xref: /freebsd/crypto/openssl/include/openssl/evp.h (revision f25b8c9fb4f58cf61adb47d7570abe7caa6d385d)
1 /*
2  * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 #ifndef OPENSSL_EVP_H
11 #define OPENSSL_EVP_H
12 #pragma once
13 
14 #include <openssl/macros.h>
15 #ifndef OPENSSL_NO_DEPRECATED_3_0
16 #define HEADER_ENVELOPE_H
17 #endif
18 
19 #include <stdarg.h>
20 
21 #ifndef OPENSSL_NO_STDIO
22 #include <stdio.h>
23 #endif
24 
25 #include <openssl/opensslconf.h>
26 #include <openssl/types.h>
27 #include <openssl/core.h>
28 #include <openssl/core_dispatch.h>
29 #include <openssl/symhacks.h>
30 #include <openssl/bio.h>
31 #include <openssl/evperr.h>
32 #include <openssl/params.h>
33 
34 #define EVP_MAX_MD_SIZE 64 /* longest known is SHA512 */
35 #define EVP_MAX_KEY_LENGTH 64
36 #define EVP_MAX_IV_LENGTH 16
37 #define EVP_MAX_BLOCK_LENGTH 32
38 #define EVP_MAX_AEAD_TAG_LENGTH 16
39 
40 /* Maximum pipes in cipher pipelining */
41 #define EVP_MAX_PIPES 32
42 
43 #define PKCS5_SALT_LEN 8
44 /* Default PKCS#5 iteration count */
45 #define PKCS5_DEFAULT_ITER 2048
46 
47 #include <openssl/objects.h>
48 
49 #ifndef OPENSSL_NO_DEPRECATED_3_0
50 #define EVP_PK_RSA 0x0001
51 #define EVP_PK_DSA 0x0002
52 #define EVP_PK_DH 0x0004
53 #define EVP_PK_EC 0x0008
54 #define EVP_PKT_SIGN 0x0010
55 #define EVP_PKT_ENC 0x0020
56 #define EVP_PKT_EXCH 0x0040
57 #define EVP_PKS_RSA 0x0100
58 #define EVP_PKS_DSA 0x0200
59 #define EVP_PKS_EC 0x0400
60 #endif
61 
62 #define EVP_PKEY_NONE NID_undef
63 #define EVP_PKEY_RSA NID_rsaEncryption
64 #define EVP_PKEY_RSA2 NID_rsa
65 #define EVP_PKEY_RSA_PSS NID_rsassaPss
66 #define EVP_PKEY_DSA NID_dsa
67 #define EVP_PKEY_DSA1 NID_dsa_2
68 #define EVP_PKEY_DSA2 NID_dsaWithSHA
69 #define EVP_PKEY_DSA3 NID_dsaWithSHA1
70 #define EVP_PKEY_DSA4 NID_dsaWithSHA1_2
71 #define EVP_PKEY_DH NID_dhKeyAgreement
72 #define EVP_PKEY_DHX NID_dhpublicnumber
73 #define EVP_PKEY_EC NID_X9_62_id_ecPublicKey
74 #define EVP_PKEY_SM2 NID_sm2
75 #define EVP_PKEY_HMAC NID_hmac
76 #define EVP_PKEY_CMAC NID_cmac
77 #define EVP_PKEY_SCRYPT NID_id_scrypt
78 #define EVP_PKEY_TLS1_PRF NID_tls1_prf
79 #define EVP_PKEY_HKDF NID_hkdf
80 #define EVP_PKEY_POLY1305 NID_poly1305
81 #define EVP_PKEY_SIPHASH NID_siphash
82 #define EVP_PKEY_X25519 NID_X25519
83 #define EVP_PKEY_ED25519 NID_ED25519
84 #define EVP_PKEY_X448 NID_X448
85 #define EVP_PKEY_ED448 NID_ED448
86 #define EVP_PKEY_ML_DSA_44 NID_ML_DSA_44
87 #define EVP_PKEY_ML_DSA_65 NID_ML_DSA_65
88 #define EVP_PKEY_ML_DSA_87 NID_ML_DSA_87
89 #define EVP_PKEY_SLH_DSA_SHA2_128S NID_SLH_DSA_SHA2_128s
90 #define EVP_PKEY_SLH_DSA_SHA2_128F NID_SLH_DSA_SHA2_128f
91 #define EVP_PKEY_SLH_DSA_SHA2_192S NID_SLH_DSA_SHA2_192s
92 #define EVP_PKEY_SLH_DSA_SHA2_192F NID_SLH_DSA_SHA2_192f
93 #define EVP_PKEY_SLH_DSA_SHA2_256S NID_SLH_DSA_SHA2_256s
94 #define EVP_PKEY_SLH_DSA_SHA2_256F NID_SLH_DSA_SHA2_256f
95 #define EVP_PKEY_SLH_DSA_SHAKE_128S NID_SLH_DSA_SHAKE_128s
96 #define EVP_PKEY_SLH_DSA_SHAKE_128F NID_SLH_DSA_SHAKE_128f
97 #define EVP_PKEY_SLH_DSA_SHAKE_192S NID_SLH_DSA_SHAKE_192s
98 #define EVP_PKEY_SLH_DSA_SHAKE_192F NID_SLH_DSA_SHAKE_192f
99 #define EVP_PKEY_SLH_DSA_SHAKE_256S NID_SLH_DSA_SHAKE_256s
100 #define EVP_PKEY_SLH_DSA_SHAKE_256F NID_SLH_DSA_SHAKE_256f
101 
102 /* Special indicator that the object is uniquely provider side */
103 #define EVP_PKEY_KEYMGMT -1
104 
105 /* Easy to use macros for EVP_PKEY related selections */
106 #define EVP_PKEY_KEY_PARAMETERS \
107     (OSSL_KEYMGMT_SELECT_ALL_PARAMETERS)
108 #define EVP_PKEY_PRIVATE_KEY \
109     (EVP_PKEY_KEY_PARAMETERS | OSSL_KEYMGMT_SELECT_PRIVATE_KEY)
110 #define EVP_PKEY_PUBLIC_KEY \
111     (EVP_PKEY_KEY_PARAMETERS | OSSL_KEYMGMT_SELECT_PUBLIC_KEY)
112 #define EVP_PKEY_KEYPAIR \
113     (EVP_PKEY_PUBLIC_KEY | OSSL_KEYMGMT_SELECT_PRIVATE_KEY)
114 
115 #ifdef __cplusplus
116 extern "C" {
117 #endif
118 
119 int EVP_set_default_properties(OSSL_LIB_CTX *libctx, const char *propq);
120 char *EVP_get1_default_properties(OSSL_LIB_CTX *libctx);
121 int EVP_default_properties_is_fips_enabled(OSSL_LIB_CTX *libctx);
122 int EVP_default_properties_enable_fips(OSSL_LIB_CTX *libctx, int enable);
123 
124 #define EVP_PKEY_MO_SIGN 0x0001
125 #define EVP_PKEY_MO_VERIFY 0x0002
126 #define EVP_PKEY_MO_ENCRYPT 0x0004
127 #define EVP_PKEY_MO_DECRYPT 0x0008
128 
129 #ifndef EVP_MD
130 #ifndef OPENSSL_NO_DEPRECATED_3_0
131 OSSL_DEPRECATEDIN_3_0 EVP_MD *EVP_MD_meth_new(int md_type, int pkey_type);
132 OSSL_DEPRECATEDIN_3_0 EVP_MD *EVP_MD_meth_dup(const EVP_MD *md);
133 OSSL_DEPRECATEDIN_3_0 void EVP_MD_meth_free(EVP_MD *md);
134 OSSL_DEPRECATEDIN_3_0
135 int EVP_MD_meth_set_input_blocksize(EVP_MD *md, int blocksize);
136 OSSL_DEPRECATEDIN_3_0
137 int EVP_MD_meth_set_result_size(EVP_MD *md, int resultsize);
138 OSSL_DEPRECATEDIN_3_0
139 int EVP_MD_meth_set_app_datasize(EVP_MD *md, int datasize);
140 OSSL_DEPRECATEDIN_3_0
141 int EVP_MD_meth_set_flags(EVP_MD *md, unsigned long flags);
142 OSSL_DEPRECATEDIN_3_0
143 int EVP_MD_meth_set_init(EVP_MD *md, int (*init)(EVP_MD_CTX *ctx));
144 OSSL_DEPRECATEDIN_3_0
145 int EVP_MD_meth_set_update(EVP_MD *md, int (*update)(EVP_MD_CTX *ctx, const void *data, size_t count));
146 OSSL_DEPRECATEDIN_3_0
147 int EVP_MD_meth_set_final(EVP_MD *md, int (*final)(EVP_MD_CTX *ctx, unsigned char *md));
148 OSSL_DEPRECATEDIN_3_0
149 int EVP_MD_meth_set_copy(EVP_MD *md, int (*copy)(EVP_MD_CTX *to, const EVP_MD_CTX *from));
150 OSSL_DEPRECATEDIN_3_0
151 int EVP_MD_meth_set_cleanup(EVP_MD *md, int (*cleanup)(EVP_MD_CTX *ctx));
152 OSSL_DEPRECATEDIN_3_0
153 int EVP_MD_meth_set_ctrl(EVP_MD *md, int (*ctrl)(EVP_MD_CTX *ctx, int cmd, int p1, void *p2));
154 OSSL_DEPRECATEDIN_3_0 int EVP_MD_meth_get_input_blocksize(const EVP_MD *md);
155 OSSL_DEPRECATEDIN_3_0 int EVP_MD_meth_get_result_size(const EVP_MD *md);
156 OSSL_DEPRECATEDIN_3_0 int EVP_MD_meth_get_app_datasize(const EVP_MD *md);
157 OSSL_DEPRECATEDIN_3_0 unsigned long EVP_MD_meth_get_flags(const EVP_MD *md);
158 OSSL_DEPRECATEDIN_3_0
159 int (*EVP_MD_meth_get_init(const EVP_MD *md))(EVP_MD_CTX *ctx);
160 OSSL_DEPRECATEDIN_3_0
161 int (*EVP_MD_meth_get_update(const EVP_MD *md))(EVP_MD_CTX *ctx,
162     const void *data, size_t count);
163 OSSL_DEPRECATEDIN_3_0
164 int (*EVP_MD_meth_get_final(const EVP_MD *md))(EVP_MD_CTX *ctx,
165     unsigned char *md);
166 OSSL_DEPRECATEDIN_3_0
167 int (*EVP_MD_meth_get_copy(const EVP_MD *md))(EVP_MD_CTX *to,
168     const EVP_MD_CTX *from);
169 OSSL_DEPRECATEDIN_3_0
170 int (*EVP_MD_meth_get_cleanup(const EVP_MD *md))(EVP_MD_CTX *ctx);
171 OSSL_DEPRECATEDIN_3_0
172 int (*EVP_MD_meth_get_ctrl(const EVP_MD *md))(EVP_MD_CTX *ctx, int cmd,
173     int p1, void *p2);
174 #endif
175 /* digest can only handle a single block */
176 #define EVP_MD_FLAG_ONESHOT 0x0001
177 
178 /* digest is extensible-output function, XOF */
179 #define EVP_MD_FLAG_XOF 0x0002
180 
181 /* DigestAlgorithmIdentifier flags... */
182 
183 #define EVP_MD_FLAG_DIGALGID_MASK 0x0018
184 
185 /* NULL or absent parameter accepted. Use NULL */
186 
187 #define EVP_MD_FLAG_DIGALGID_NULL 0x0000
188 
189 /* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
190 
191 #define EVP_MD_FLAG_DIGALGID_ABSENT 0x0008
192 
193 /* Custom handling via ctrl */
194 
195 #define EVP_MD_FLAG_DIGALGID_CUSTOM 0x0018
196 
197 /* Note if suitable for use in FIPS mode */
198 #define EVP_MD_FLAG_FIPS 0x0400
199 
200 /* Digest ctrls */
201 
202 #define EVP_MD_CTRL_DIGALGID 0x1
203 #define EVP_MD_CTRL_MICALG 0x2
204 #define EVP_MD_CTRL_XOF_LEN 0x3
205 #define EVP_MD_CTRL_TLSTREE 0x4
206 
207 /* Minimum Algorithm specific ctrl value */
208 
209 #define EVP_MD_CTRL_ALG_CTRL 0x1000
210 
211 #endif /* !EVP_MD */
212 
213 /* values for EVP_MD_CTX flags */
214 
215 #define EVP_MD_CTX_FLAG_ONESHOT 0x0001 /* digest update will be \
216                                         * called once only */
217 #define EVP_MD_CTX_FLAG_CLEANED 0x0002 /* context has already been \
218                                         * cleaned */
219 #define EVP_MD_CTX_FLAG_REUSE 0x0004 /* Don't free up ctx->md_data \
220                                       * in EVP_MD_CTX_reset */
221 /*
222  * FIPS and pad options are ignored in 1.0.0, definitions are here so we
223  * don't accidentally reuse the values for other purposes.
224  */
225 
226 /* This flag has no effect from openssl-3.0 onwards */
227 #define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW 0x0008
228 
229 /*
230  * The following PAD options are also currently ignored in 1.0.0, digest
231  * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
232  * instead.
233  */
234 #define EVP_MD_CTX_FLAG_PAD_MASK 0xF0 /* RSA mode to use */
235 #define EVP_MD_CTX_FLAG_PAD_PKCS1 0x00 /* PKCS#1 v1.5 mode */
236 #define EVP_MD_CTX_FLAG_PAD_X931 0x10 /* X9.31 mode */
237 #define EVP_MD_CTX_FLAG_PAD_PSS 0x20 /* PSS mode */
238 
239 #define EVP_MD_CTX_FLAG_NO_INIT 0x0100 /* Don't initialize md_data */
240 /*
241  * Some functions such as EVP_DigestSign only finalise copies of internal
242  * contexts so additional data can be included after the finalisation call.
243  * This is inefficient if this functionality is not required: it is disabled
244  * if the following flag is set.
245  */
246 #define EVP_MD_CTX_FLAG_FINALISE 0x0200
247 /* NOTE: 0x0400 and 0x0800 are reserved for internal usage */
248 
249 #ifndef OPENSSL_NO_DEPRECATED_3_0
250 OSSL_DEPRECATEDIN_3_0
251 EVP_CIPHER *EVP_CIPHER_meth_new(int cipher_type, int block_size, int key_len);
252 OSSL_DEPRECATEDIN_3_0
253 EVP_CIPHER *EVP_CIPHER_meth_dup(const EVP_CIPHER *cipher);
254 OSSL_DEPRECATEDIN_3_0
255 void EVP_CIPHER_meth_free(EVP_CIPHER *cipher);
256 OSSL_DEPRECATEDIN_3_0
257 int EVP_CIPHER_meth_set_iv_length(EVP_CIPHER *cipher, int iv_len);
258 OSSL_DEPRECATEDIN_3_0
259 int EVP_CIPHER_meth_set_flags(EVP_CIPHER *cipher, unsigned long flags);
260 OSSL_DEPRECATEDIN_3_0
261 int EVP_CIPHER_meth_set_impl_ctx_size(EVP_CIPHER *cipher, int ctx_size);
262 OSSL_DEPRECATEDIN_3_0
263 int EVP_CIPHER_meth_set_init(EVP_CIPHER *cipher,
264     int (*init)(EVP_CIPHER_CTX *ctx,
265         const unsigned char *key,
266         const unsigned char *iv,
267         int enc));
268 OSSL_DEPRECATEDIN_3_0
269 int EVP_CIPHER_meth_set_do_cipher(EVP_CIPHER *cipher,
270     int (*do_cipher)(EVP_CIPHER_CTX *ctx,
271         unsigned char *out,
272         const unsigned char *in,
273         size_t inl));
274 OSSL_DEPRECATEDIN_3_0
275 int EVP_CIPHER_meth_set_cleanup(EVP_CIPHER *cipher,
276     int (*cleanup)(EVP_CIPHER_CTX *));
277 OSSL_DEPRECATEDIN_3_0
278 int EVP_CIPHER_meth_set_set_asn1_params(EVP_CIPHER *cipher,
279     int (*set_asn1_parameters)(EVP_CIPHER_CTX *,
280         ASN1_TYPE *));
281 OSSL_DEPRECATEDIN_3_0
282 int EVP_CIPHER_meth_set_get_asn1_params(EVP_CIPHER *cipher,
283     int (*get_asn1_parameters)(EVP_CIPHER_CTX *,
284         ASN1_TYPE *));
285 OSSL_DEPRECATEDIN_3_0
286 int EVP_CIPHER_meth_set_ctrl(EVP_CIPHER *cipher,
287     int (*ctrl)(EVP_CIPHER_CTX *, int type,
288         int arg, void *ptr));
289 OSSL_DEPRECATEDIN_3_0 int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
290     const unsigned char *key,
291     const unsigned char *iv,
292     int enc);
293 OSSL_DEPRECATEDIN_3_0 int (*EVP_CIPHER_meth_get_do_cipher(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,
294     unsigned char *out,
295     const unsigned char *in,
296     size_t inl);
297 OSSL_DEPRECATEDIN_3_0 int (*EVP_CIPHER_meth_get_cleanup(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *);
298 OSSL_DEPRECATEDIN_3_0 int (*EVP_CIPHER_meth_get_set_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
299     ASN1_TYPE *);
300 OSSL_DEPRECATEDIN_3_0 int (*EVP_CIPHER_meth_get_get_asn1_params(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *,
301     ASN1_TYPE *);
302 OSSL_DEPRECATEDIN_3_0 int (*EVP_CIPHER_meth_get_ctrl(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *, int type,
303     int arg, void *ptr);
304 #endif
305 
306 /* Values for cipher flags */
307 
308 /* Modes for ciphers */
309 
310 #define EVP_CIPH_STREAM_CIPHER 0x0
311 #define EVP_CIPH_ECB_MODE 0x1
312 #define EVP_CIPH_CBC_MODE 0x2
313 #define EVP_CIPH_CFB_MODE 0x3
314 #define EVP_CIPH_OFB_MODE 0x4
315 #define EVP_CIPH_CTR_MODE 0x5
316 #define EVP_CIPH_GCM_MODE 0x6
317 #define EVP_CIPH_CCM_MODE 0x7
318 #define EVP_CIPH_XTS_MODE 0x10001
319 #define EVP_CIPH_WRAP_MODE 0x10002
320 #define EVP_CIPH_OCB_MODE 0x10003
321 #define EVP_CIPH_SIV_MODE 0x10004
322 #define EVP_CIPH_GCM_SIV_MODE 0x10005
323 #define EVP_CIPH_MODE 0xF0007
324 /* Set if variable length cipher */
325 #define EVP_CIPH_VARIABLE_LENGTH 0x8
326 /* Set if the iv handling should be done by the cipher itself */
327 #define EVP_CIPH_CUSTOM_IV 0x10
328 /* Set if the cipher's init() function should be called if key is NULL */
329 #define EVP_CIPH_ALWAYS_CALL_INIT 0x20
330 /* Call ctrl() to init cipher parameters */
331 #define EVP_CIPH_CTRL_INIT 0x40
332 /* Don't use standard key length function */
333 #define EVP_CIPH_CUSTOM_KEY_LENGTH 0x80
334 /* Don't use standard block padding */
335 #define EVP_CIPH_NO_PADDING 0x100
336 /* cipher handles random key generation */
337 #define EVP_CIPH_RAND_KEY 0x200
338 /* cipher has its own additional copying logic */
339 #define EVP_CIPH_CUSTOM_COPY 0x400
340 /* Don't use standard iv length function */
341 #define EVP_CIPH_CUSTOM_IV_LENGTH 0x800
342 /* Legacy and no longer relevant: Allow use default ASN1 get/set iv */
343 #define EVP_CIPH_FLAG_DEFAULT_ASN1 0
344 /* Free:                                         0x1000 */
345 /* Buffer length in bits not bytes: CFB1 mode only */
346 #define EVP_CIPH_FLAG_LENGTH_BITS 0x2000
347 /* Deprecated FIPS flag: was 0x4000 */
348 #define EVP_CIPH_FLAG_FIPS 0
349 /* Deprecated FIPS flag: was 0x8000 */
350 #define EVP_CIPH_FLAG_NON_FIPS_ALLOW 0
351 
352 /*
353  * Cipher handles any and all padding logic as well as finalisation.
354  */
355 #define EVP_CIPH_FLAG_CTS 0x4000
356 #define EVP_CIPH_FLAG_CUSTOM_CIPHER 0x100000
357 #define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
358 #define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0x400000
359 /* Cipher can handle pipeline operations */
360 #define EVP_CIPH_FLAG_PIPELINE 0X800000
361 /* For provider implementations that handle  ASN1 get/set param themselves */
362 #define EVP_CIPH_FLAG_CUSTOM_ASN1 0x1000000
363 /* For ciphers generating unprotected CMS attributes */
364 #define EVP_CIPH_FLAG_CIPHER_WITH_MAC 0x2000000
365 /* For supplementary wrap cipher support */
366 #define EVP_CIPH_FLAG_GET_WRAP_CIPHER 0x4000000
367 #define EVP_CIPH_FLAG_INVERSE_CIPHER 0x8000000
368 
369 /*
370  * Cipher context flag to indicate we can handle wrap mode: if allowed in
371  * older applications it could overflow buffers.
372  */
373 
374 #define EVP_CIPHER_CTX_FLAG_WRAP_ALLOW 0x1
375 
376 /* ctrl() values */
377 
378 #define EVP_CTRL_INIT 0x0
379 #define EVP_CTRL_SET_KEY_LENGTH 0x1
380 #define EVP_CTRL_GET_RC2_KEY_BITS 0x2
381 #define EVP_CTRL_SET_RC2_KEY_BITS 0x3
382 #define EVP_CTRL_GET_RC5_ROUNDS 0x4
383 #define EVP_CTRL_SET_RC5_ROUNDS 0x5
384 #define EVP_CTRL_RAND_KEY 0x6
385 #define EVP_CTRL_PBE_PRF_NID 0x7
386 #define EVP_CTRL_COPY 0x8
387 #define EVP_CTRL_AEAD_SET_IVLEN 0x9
388 #define EVP_CTRL_AEAD_GET_TAG 0x10
389 #define EVP_CTRL_AEAD_SET_TAG 0x11
390 #define EVP_CTRL_AEAD_SET_IV_FIXED 0x12
391 #define EVP_CTRL_GCM_SET_IVLEN EVP_CTRL_AEAD_SET_IVLEN
392 #define EVP_CTRL_GCM_GET_TAG EVP_CTRL_AEAD_GET_TAG
393 #define EVP_CTRL_GCM_SET_TAG EVP_CTRL_AEAD_SET_TAG
394 #define EVP_CTRL_GCM_SET_IV_FIXED EVP_CTRL_AEAD_SET_IV_FIXED
395 #define EVP_CTRL_GCM_IV_GEN 0x13
396 #define EVP_CTRL_CCM_SET_IVLEN EVP_CTRL_AEAD_SET_IVLEN
397 #define EVP_CTRL_CCM_GET_TAG EVP_CTRL_AEAD_GET_TAG
398 #define EVP_CTRL_CCM_SET_TAG EVP_CTRL_AEAD_SET_TAG
399 #define EVP_CTRL_CCM_SET_IV_FIXED EVP_CTRL_AEAD_SET_IV_FIXED
400 #define EVP_CTRL_CCM_SET_L 0x14
401 #define EVP_CTRL_CCM_SET_MSGLEN 0x15
402 /*
403  * AEAD cipher deduces payload length and returns number of bytes required to
404  * store MAC and eventual padding. Subsequent call to EVP_Cipher even
405  * appends/verifies MAC.
406  */
407 #define EVP_CTRL_AEAD_TLS1_AAD 0x16
408 /* Used by composite AEAD ciphers, no-op in GCM, CCM... */
409 #define EVP_CTRL_AEAD_SET_MAC_KEY 0x17
410 /* Set the GCM invocation field, decrypt only */
411 #define EVP_CTRL_GCM_SET_IV_INV 0x18
412 
413 #define EVP_CTRL_TLS1_1_MULTIBLOCK_AAD 0x19
414 #define EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT 0x1a
415 #define EVP_CTRL_TLS1_1_MULTIBLOCK_DECRYPT 0x1b
416 #define EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE 0x1c
417 
418 #define EVP_CTRL_SSL3_MASTER_SECRET 0x1d
419 
420 /* EVP_CTRL_SET_SBOX takes the char * specifying S-boxes */
421 #define EVP_CTRL_SET_SBOX 0x1e
422 /*
423  * EVP_CTRL_SBOX_USED takes a 'size_t' and 'char *', pointing at a
424  * pre-allocated buffer with specified size
425  */
426 #define EVP_CTRL_SBOX_USED 0x1f
427 /* EVP_CTRL_KEY_MESH takes 'size_t' number of bytes to mesh the key after,
428  * 0 switches meshing off
429  */
430 #define EVP_CTRL_KEY_MESH 0x20
431 /* EVP_CTRL_BLOCK_PADDING_MODE takes the padding mode */
432 #define EVP_CTRL_BLOCK_PADDING_MODE 0x21
433 
434 /* Set the output buffers to use for a pipelined operation */
435 #define EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS 0x22
436 /* Set the input buffers to use for a pipelined operation */
437 #define EVP_CTRL_SET_PIPELINE_INPUT_BUFS 0x23
438 /* Set the input buffer lengths to use for a pipelined operation */
439 #define EVP_CTRL_SET_PIPELINE_INPUT_LENS 0x24
440 /* Get the IV length used by the cipher */
441 #define EVP_CTRL_GET_IVLEN 0x25
442 /* 0x26 is unused */
443 /* Tell the cipher it's doing a speed test (SIV disallows multiple ops) */
444 #define EVP_CTRL_SET_SPEED 0x27
445 /* Get the unprotectedAttrs from cipher ctx */
446 #define EVP_CTRL_PROCESS_UNPROTECTED 0x28
447 /* Get the supplementary wrap cipher */
448 #define EVP_CTRL_GET_WRAP_CIPHER 0x29
449 /* TLSTREE key diversification */
450 #define EVP_CTRL_TLSTREE 0x2A
451 
452 /* Padding modes */
453 #define EVP_PADDING_PKCS7 1
454 #define EVP_PADDING_ISO7816_4 2
455 #define EVP_PADDING_ANSI923 3
456 #define EVP_PADDING_ISO10126 4
457 #define EVP_PADDING_ZERO 5
458 
459 /* RFC 5246 defines additional data to be 13 bytes in length */
460 #define EVP_AEAD_TLS1_AAD_LEN 13
461 
462 typedef struct {
463     unsigned char *out;
464     const unsigned char *inp;
465     size_t len;
466     unsigned int interleave;
467 } EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM;
468 
469 /* GCM TLS constants */
470 /* Length of fixed part of IV derived from PRF */
471 #define EVP_GCM_TLS_FIXED_IV_LEN 4
472 /* Length of explicit part of IV part of TLS records */
473 #define EVP_GCM_TLS_EXPLICIT_IV_LEN 8
474 /* Length of tag for TLS */
475 #define EVP_GCM_TLS_TAG_LEN 16
476 
477 /* CCM TLS constants */
478 /* Length of fixed part of IV derived from PRF */
479 #define EVP_CCM_TLS_FIXED_IV_LEN 4
480 /* Length of explicit part of IV part of TLS records */
481 #define EVP_CCM_TLS_EXPLICIT_IV_LEN 8
482 /* Total length of CCM IV length for TLS */
483 #define EVP_CCM_TLS_IV_LEN 12
484 /* Length of tag for TLS */
485 #define EVP_CCM_TLS_TAG_LEN 16
486 /* Length of CCM8 tag for TLS */
487 #define EVP_CCM8_TLS_TAG_LEN 8
488 
489 /* Length of tag for TLS */
490 #define EVP_CHACHAPOLY_TLS_TAG_LEN 16
491 
492 typedef struct evp_cipher_info_st {
493     const EVP_CIPHER *cipher;
494     unsigned char iv[EVP_MAX_IV_LENGTH];
495 } EVP_CIPHER_INFO;
496 
497 /* Password based encryption function */
498 typedef int(EVP_PBE_KEYGEN)(EVP_CIPHER_CTX *ctx, const char *pass,
499     int passlen, ASN1_TYPE *param,
500     const EVP_CIPHER *cipher, const EVP_MD *md,
501     int en_de);
502 
503 typedef int(EVP_PBE_KEYGEN_EX)(EVP_CIPHER_CTX *ctx, const char *pass,
504     int passlen, ASN1_TYPE *param,
505     const EVP_CIPHER *cipher, const EVP_MD *md,
506     int en_de, OSSL_LIB_CTX *libctx, const char *propq);
507 
508 #ifndef OPENSSL_NO_DEPRECATED_3_0
509 #define EVP_PKEY_assign_RSA(pkey, rsa) EVP_PKEY_assign((pkey), EVP_PKEY_RSA, \
510     (rsa))
511 #endif
512 
513 #ifndef OPENSSL_NO_DSA
514 #define EVP_PKEY_assign_DSA(pkey, dsa) EVP_PKEY_assign((pkey), EVP_PKEY_DSA, \
515     (dsa))
516 #endif
517 
518 #if !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_DEPRECATED_3_0)
519 #define EVP_PKEY_assign_DH(pkey, dh) EVP_PKEY_assign((pkey), EVP_PKEY_DH, (dh))
520 #endif
521 
522 #ifndef OPENSSL_NO_DEPRECATED_3_0
523 #ifndef OPENSSL_NO_EC
524 #define EVP_PKEY_assign_EC_KEY(pkey, eckey) \
525     EVP_PKEY_assign((pkey), EVP_PKEY_EC, (eckey))
526 #endif
527 #endif
528 #ifndef OPENSSL_NO_SIPHASH
529 #define EVP_PKEY_assign_SIPHASH(pkey, shkey) EVP_PKEY_assign((pkey), \
530     EVP_PKEY_SIPHASH, (shkey))
531 #endif
532 
533 #ifndef OPENSSL_NO_POLY1305
534 #define EVP_PKEY_assign_POLY1305(pkey, polykey) EVP_PKEY_assign((pkey), \
535     EVP_PKEY_POLY1305, (polykey))
536 #endif
537 
538 /* Add some extra combinations */
539 #define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
540 #define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
541 #define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
542 #define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
543 
544 int EVP_MD_get_type(const EVP_MD *md);
545 #define EVP_MD_type EVP_MD_get_type
546 #define EVP_MD_nid EVP_MD_get_type
547 const char *EVP_MD_get0_name(const EVP_MD *md);
548 #define EVP_MD_name EVP_MD_get0_name
549 const char *EVP_MD_get0_description(const EVP_MD *md);
550 int EVP_MD_is_a(const EVP_MD *md, const char *name);
551 int EVP_MD_names_do_all(const EVP_MD *md,
552     void (*fn)(const char *name, void *data),
553     void *data);
554 const OSSL_PROVIDER *EVP_MD_get0_provider(const EVP_MD *md);
555 int EVP_MD_get_pkey_type(const EVP_MD *md);
556 #define EVP_MD_pkey_type EVP_MD_get_pkey_type
557 int EVP_MD_get_size(const EVP_MD *md);
558 #define EVP_MD_size EVP_MD_get_size
559 int EVP_MD_get_block_size(const EVP_MD *md);
560 #define EVP_MD_block_size EVP_MD_get_block_size
561 unsigned long EVP_MD_get_flags(const EVP_MD *md);
562 #define EVP_MD_flags EVP_MD_get_flags
563 int EVP_MD_xof(const EVP_MD *md);
564 
565 const EVP_MD *EVP_MD_CTX_get0_md(const EVP_MD_CTX *ctx);
566 EVP_MD *EVP_MD_CTX_get1_md(EVP_MD_CTX *ctx);
567 #ifndef OPENSSL_NO_DEPRECATED_3_0
568 OSSL_DEPRECATEDIN_3_0
569 const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
570 OSSL_DEPRECATEDIN_3_0
571 int (*EVP_MD_CTX_update_fn(EVP_MD_CTX *ctx))(EVP_MD_CTX *ctx,
572     const void *data, size_t count);
573 OSSL_DEPRECATEDIN_3_0
574 void EVP_MD_CTX_set_update_fn(EVP_MD_CTX *ctx,
575     int (*update)(EVP_MD_CTX *ctx,
576         const void *data, size_t count));
577 #endif
578 int EVP_MD_CTX_get_size_ex(const EVP_MD_CTX *ctx);
579 
580 #define EVP_MD_CTX_get0_name(e) EVP_MD_get0_name(EVP_MD_CTX_get0_md(e))
581 #define EVP_MD_CTX_get_size(e) EVP_MD_CTX_get_size_ex(e)
582 #define EVP_MD_CTX_size EVP_MD_CTX_get_size_ex
583 #define EVP_MD_CTX_get_block_size(e) EVP_MD_get_block_size(EVP_MD_CTX_get0_md(e))
584 #define EVP_MD_CTX_block_size EVP_MD_CTX_get_block_size
585 #define EVP_MD_CTX_get_type(e) EVP_MD_get_type(EVP_MD_CTX_get0_md(e))
586 #define EVP_MD_CTX_type EVP_MD_CTX_get_type
587 EVP_PKEY_CTX *EVP_MD_CTX_get_pkey_ctx(const EVP_MD_CTX *ctx);
588 #define EVP_MD_CTX_pkey_ctx EVP_MD_CTX_get_pkey_ctx
589 void EVP_MD_CTX_set_pkey_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pctx);
590 void *EVP_MD_CTX_get0_md_data(const EVP_MD_CTX *ctx);
591 #define EVP_MD_CTX_md_data EVP_MD_CTX_get0_md_data
592 
593 int EVP_CIPHER_get_nid(const EVP_CIPHER *cipher);
594 #define EVP_CIPHER_nid EVP_CIPHER_get_nid
595 const char *EVP_CIPHER_get0_name(const EVP_CIPHER *cipher);
596 #define EVP_CIPHER_name EVP_CIPHER_get0_name
597 const char *EVP_CIPHER_get0_description(const EVP_CIPHER *cipher);
598 int EVP_CIPHER_is_a(const EVP_CIPHER *cipher, const char *name);
599 int EVP_CIPHER_names_do_all(const EVP_CIPHER *cipher,
600     void (*fn)(const char *name, void *data),
601     void *data);
602 const OSSL_PROVIDER *EVP_CIPHER_get0_provider(const EVP_CIPHER *cipher);
603 int EVP_CIPHER_get_block_size(const EVP_CIPHER *cipher);
604 #define EVP_CIPHER_block_size EVP_CIPHER_get_block_size
605 #ifndef OPENSSL_NO_DEPRECATED_3_0
606 OSSL_DEPRECATEDIN_3_0
607 int EVP_CIPHER_impl_ctx_size(const EVP_CIPHER *cipher);
608 #endif
609 int EVP_CIPHER_get_key_length(const EVP_CIPHER *cipher);
610 #define EVP_CIPHER_key_length EVP_CIPHER_get_key_length
611 int EVP_CIPHER_get_iv_length(const EVP_CIPHER *cipher);
612 #define EVP_CIPHER_iv_length EVP_CIPHER_get_iv_length
613 unsigned long EVP_CIPHER_get_flags(const EVP_CIPHER *cipher);
614 #define EVP_CIPHER_flags EVP_CIPHER_get_flags
615 int EVP_CIPHER_get_mode(const EVP_CIPHER *cipher);
616 #define EVP_CIPHER_mode EVP_CIPHER_get_mode
617 int EVP_CIPHER_get_type(const EVP_CIPHER *cipher);
618 #define EVP_CIPHER_type EVP_CIPHER_get_type
619 EVP_CIPHER *EVP_CIPHER_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
620     const char *properties);
621 int EVP_CIPHER_can_pipeline(const EVP_CIPHER *cipher, int enc);
622 int EVP_CIPHER_up_ref(EVP_CIPHER *cipher);
623 void EVP_CIPHER_free(EVP_CIPHER *cipher);
624 
625 const EVP_CIPHER *EVP_CIPHER_CTX_get0_cipher(const EVP_CIPHER_CTX *ctx);
626 EVP_CIPHER *EVP_CIPHER_CTX_get1_cipher(EVP_CIPHER_CTX *ctx);
627 int EVP_CIPHER_CTX_is_encrypting(const EVP_CIPHER_CTX *ctx);
628 #define EVP_CIPHER_CTX_encrypting EVP_CIPHER_CTX_is_encrypting
629 int EVP_CIPHER_CTX_get_nid(const EVP_CIPHER_CTX *ctx);
630 #define EVP_CIPHER_CTX_nid EVP_CIPHER_CTX_get_nid
631 int EVP_CIPHER_CTX_get_block_size(const EVP_CIPHER_CTX *ctx);
632 #define EVP_CIPHER_CTX_block_size EVP_CIPHER_CTX_get_block_size
633 int EVP_CIPHER_CTX_get_key_length(const EVP_CIPHER_CTX *ctx);
634 #define EVP_CIPHER_CTX_key_length EVP_CIPHER_CTX_get_key_length
635 int EVP_CIPHER_CTX_get_iv_length(const EVP_CIPHER_CTX *ctx);
636 #define EVP_CIPHER_CTX_iv_length EVP_CIPHER_CTX_get_iv_length
637 int EVP_CIPHER_CTX_get_tag_length(const EVP_CIPHER_CTX *ctx);
638 #define EVP_CIPHER_CTX_tag_length EVP_CIPHER_CTX_get_tag_length
639 #ifndef OPENSSL_NO_DEPRECATED_3_0
640 const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
641 OSSL_DEPRECATEDIN_3_0 const unsigned char *EVP_CIPHER_CTX_iv(const EVP_CIPHER_CTX *ctx);
642 OSSL_DEPRECATEDIN_3_0 const unsigned char *EVP_CIPHER_CTX_original_iv(const EVP_CIPHER_CTX *ctx);
643 OSSL_DEPRECATEDIN_3_0 unsigned char *EVP_CIPHER_CTX_iv_noconst(EVP_CIPHER_CTX *ctx);
644 #endif
645 int EVP_CIPHER_CTX_get_updated_iv(EVP_CIPHER_CTX *ctx, void *buf, size_t len);
646 int EVP_CIPHER_CTX_get_original_iv(EVP_CIPHER_CTX *ctx, void *buf, size_t len);
647 #ifndef OPENSSL_NO_DEPRECATED_3_0
648 OSSL_DEPRECATEDIN_3_0
649 unsigned char *EVP_CIPHER_CTX_buf_noconst(EVP_CIPHER_CTX *ctx);
650 #endif
651 int EVP_CIPHER_CTX_get_num(const EVP_CIPHER_CTX *ctx);
652 #define EVP_CIPHER_CTX_num EVP_CIPHER_CTX_get_num
653 int EVP_CIPHER_CTX_set_num(EVP_CIPHER_CTX *ctx, int num);
654 EVP_CIPHER_CTX *EVP_CIPHER_CTX_dup(const EVP_CIPHER_CTX *in);
655 int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
656 void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
657 void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
658 void *EVP_CIPHER_CTX_get_cipher_data(const EVP_CIPHER_CTX *ctx);
659 void *EVP_CIPHER_CTX_set_cipher_data(EVP_CIPHER_CTX *ctx, void *cipher_data);
660 #define EVP_CIPHER_CTX_get0_name(c) EVP_CIPHER_get0_name(EVP_CIPHER_CTX_get0_cipher(c))
661 #define EVP_CIPHER_CTX_get_type(c) EVP_CIPHER_get_type(EVP_CIPHER_CTX_get0_cipher(c))
662 #define EVP_CIPHER_CTX_type EVP_CIPHER_CTX_get_type
663 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
664 #define EVP_CIPHER_CTX_flags(c) EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(c))
665 #endif
666 #define EVP_CIPHER_CTX_get_mode(c) EVP_CIPHER_get_mode(EVP_CIPHER_CTX_get0_cipher(c))
667 #define EVP_CIPHER_CTX_mode EVP_CIPHER_CTX_get_mode
668 
669 #define EVP_ENCODE_LENGTH(l) ((((l) + 2) / 3 * 4) + ((l) / 48 + 1) * 2 + 80)
670 #define EVP_DECODE_LENGTH(l) (((l) + 3) / 4 * 3 + 80)
671 
672 #define EVP_SignInit_ex(a, b, c) EVP_DigestInit_ex(a, b, c)
673 #define EVP_SignInit(a, b) EVP_DigestInit(a, b)
674 #define EVP_SignUpdate(a, b, c) EVP_DigestUpdate(a, b, c)
675 #define EVP_VerifyInit_ex(a, b, c) EVP_DigestInit_ex(a, b, c)
676 #define EVP_VerifyInit(a, b) EVP_DigestInit(a, b)
677 #define EVP_VerifyUpdate(a, b, c) EVP_DigestUpdate(a, b, c)
678 #define EVP_OpenUpdate(a, b, c, d, e) EVP_DecryptUpdate(a, b, c, d, e)
679 #define EVP_SealUpdate(a, b, c, d, e) EVP_EncryptUpdate(a, b, c, d, e)
680 
681 #ifdef CONST_STRICT
682 void BIO_set_md(BIO *, const EVP_MD *md);
683 #else
684 #define BIO_set_md(b, md) BIO_ctrl(b, BIO_C_SET_MD, 0, (void *)(md))
685 #endif
686 #define BIO_get_md(b, mdp) BIO_ctrl(b, BIO_C_GET_MD, 0, (mdp))
687 #define BIO_get_md_ctx(b, mdcp) BIO_ctrl(b, BIO_C_GET_MD_CTX, 0, (mdcp))
688 #define BIO_set_md_ctx(b, mdcp) BIO_ctrl(b, BIO_C_SET_MD_CTX, 0, (mdcp))
689 #define BIO_get_cipher_status(b) BIO_ctrl(b, BIO_C_GET_CIPHER_STATUS, 0, NULL)
690 #define BIO_get_cipher_ctx(b, c_pp) BIO_ctrl(b, BIO_C_GET_CIPHER_CTX, 0, (c_pp))
691 
692 __owur int EVP_Cipher(EVP_CIPHER_CTX *c,
693     unsigned char *out,
694     const unsigned char *in, unsigned int inl);
695 
696 #define EVP_add_cipher_alias(n, alias) \
697     OBJ_NAME_add((alias), OBJ_NAME_TYPE_CIPHER_METH | OBJ_NAME_ALIAS, (n))
698 #define EVP_add_digest_alias(n, alias) \
699     OBJ_NAME_add((alias), OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS, (n))
700 #define EVP_delete_cipher_alias(alias) \
701     OBJ_NAME_remove(alias, OBJ_NAME_TYPE_CIPHER_METH | OBJ_NAME_ALIAS);
702 #define EVP_delete_digest_alias(alias) \
703     OBJ_NAME_remove(alias, OBJ_NAME_TYPE_MD_METH | OBJ_NAME_ALIAS);
704 
705 int EVP_MD_get_params(const EVP_MD *digest, OSSL_PARAM params[]);
706 int EVP_MD_CTX_set_params(EVP_MD_CTX *ctx, const OSSL_PARAM params[]);
707 int EVP_MD_CTX_get_params(EVP_MD_CTX *ctx, OSSL_PARAM params[]);
708 const OSSL_PARAM *EVP_MD_gettable_params(const EVP_MD *digest);
709 const OSSL_PARAM *EVP_MD_settable_ctx_params(const EVP_MD *md);
710 const OSSL_PARAM *EVP_MD_gettable_ctx_params(const EVP_MD *md);
711 const OSSL_PARAM *EVP_MD_CTX_settable_params(EVP_MD_CTX *ctx);
712 const OSSL_PARAM *EVP_MD_CTX_gettable_params(EVP_MD_CTX *ctx);
713 int EVP_MD_CTX_ctrl(EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
714 EVP_MD_CTX *EVP_MD_CTX_new(void);
715 int EVP_MD_CTX_reset(EVP_MD_CTX *ctx);
716 void EVP_MD_CTX_free(EVP_MD_CTX *ctx);
717 #define EVP_MD_CTX_create() EVP_MD_CTX_new()
718 #define EVP_MD_CTX_init(ctx) EVP_MD_CTX_reset((ctx))
719 #define EVP_MD_CTX_destroy(ctx) EVP_MD_CTX_free((ctx))
720 __owur EVP_MD_CTX *EVP_MD_CTX_dup(const EVP_MD_CTX *in);
721 __owur int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
722 void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
723 void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
724 int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
725 __owur int EVP_DigestInit_ex2(EVP_MD_CTX *ctx, const EVP_MD *type,
726     const OSSL_PARAM params[]);
727 __owur int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type,
728     ENGINE *impl);
729 __owur int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d,
730     size_t cnt);
731 __owur int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md,
732     unsigned int *s);
733 __owur int EVP_Digest(const void *data, size_t count,
734     unsigned char *md, unsigned int *size,
735     const EVP_MD *type, ENGINE *impl);
736 __owur int EVP_Q_digest(OSSL_LIB_CTX *libctx, const char *name,
737     const char *propq, const void *data, size_t datalen,
738     unsigned char *md, size_t *mdlen);
739 
740 __owur int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
741 __owur int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
742 __owur int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md,
743     unsigned int *s);
744 __owur int EVP_DigestFinalXOF(EVP_MD_CTX *ctx, unsigned char *out,
745     size_t outlen);
746 __owur int EVP_DigestSqueeze(EVP_MD_CTX *ctx, unsigned char *out,
747     size_t outlen);
748 
749 __owur EVP_MD *EVP_MD_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
750     const char *properties);
751 
752 int EVP_MD_up_ref(EVP_MD *md);
753 void EVP_MD_free(EVP_MD *md);
754 
755 int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
756 int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
757     const char *prompt, int verify);
758 void EVP_set_pw_prompt(const char *prompt);
759 char *EVP_get_pw_prompt(void);
760 
761 __owur int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
762     const unsigned char *salt,
763     const unsigned char *data, int datal, int count,
764     unsigned char *key, unsigned char *iv);
765 
766 void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
767 void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
768 int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
769 
770 __owur int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
771     const unsigned char *key, const unsigned char *iv);
772 __owur int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx,
773     const EVP_CIPHER *cipher, ENGINE *impl,
774     const unsigned char *key,
775     const unsigned char *iv);
776 __owur int EVP_EncryptInit_ex2(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
777     const unsigned char *key,
778     const unsigned char *iv,
779     const OSSL_PARAM params[]);
780 __owur int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
781     int *outl, const unsigned char *in, int inl);
782 __owur int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out,
783     int *outl);
784 __owur int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out,
785     int *outl);
786 
787 __owur int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
788     const unsigned char *key, const unsigned char *iv);
789 __owur int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx,
790     const EVP_CIPHER *cipher, ENGINE *impl,
791     const unsigned char *key,
792     const unsigned char *iv);
793 __owur int EVP_DecryptInit_ex2(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
794     const unsigned char *key,
795     const unsigned char *iv,
796     const OSSL_PARAM params[]);
797 __owur int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
798     int *outl, const unsigned char *in, int inl);
799 __owur int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
800     int *outl);
801 __owur int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
802     int *outl);
803 
804 __owur int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
805     const unsigned char *key, const unsigned char *iv,
806     int enc);
807 __owur int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx,
808     const EVP_CIPHER *cipher, ENGINE *impl,
809     const unsigned char *key,
810     const unsigned char *iv, int enc);
811 __owur int EVP_CipherInit_SKEY(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
812     EVP_SKEY *skey, const unsigned char *iv, size_t iv_len,
813     int enc, const OSSL_PARAM params[]);
814 __owur int EVP_CipherInit_ex2(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
815     const unsigned char *key, const unsigned char *iv,
816     int enc, const OSSL_PARAM params[]);
817 __owur int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out,
818     int *outl, const unsigned char *in, int inl);
819 __owur int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm,
820     int *outl);
821 __owur int EVP_CipherPipelineEncryptInit(EVP_CIPHER_CTX *ctx,
822     const EVP_CIPHER *cipher,
823     const unsigned char *key, size_t keylen,
824     size_t numpipes,
825     const unsigned char **iv, size_t ivlen);
826 __owur int EVP_CipherPipelineDecryptInit(EVP_CIPHER_CTX *ctx,
827     const EVP_CIPHER *cipher,
828     const unsigned char *key, size_t keylen,
829     size_t numpipes,
830     const unsigned char **iv, size_t ivlen);
831 __owur int EVP_CipherPipelineUpdate(EVP_CIPHER_CTX *ctx,
832     unsigned char **out, size_t *outl,
833     const size_t *outsize,
834     const unsigned char **in, const size_t *inl);
835 __owur int EVP_CipherPipelineFinal(EVP_CIPHER_CTX *ctx,
836     unsigned char **outm, size_t *outl,
837     const size_t *outsize);
838 __owur int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm,
839     int *outl);
840 
841 __owur int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
842     EVP_PKEY *pkey);
843 __owur int EVP_SignFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
844     EVP_PKEY *pkey, OSSL_LIB_CTX *libctx,
845     const char *propq);
846 
847 __owur int EVP_DigestSign(EVP_MD_CTX *ctx, unsigned char *sigret,
848     size_t *siglen, const unsigned char *tbs,
849     size_t tbslen);
850 
851 __owur int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
852     unsigned int siglen, EVP_PKEY *pkey);
853 __owur int EVP_VerifyFinal_ex(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
854     unsigned int siglen, EVP_PKEY *pkey,
855     OSSL_LIB_CTX *libctx, const char *propq);
856 
857 __owur int EVP_DigestVerify(EVP_MD_CTX *ctx, const unsigned char *sigret,
858     size_t siglen, const unsigned char *tbs,
859     size_t tbslen);
860 
861 __owur int EVP_DigestSignInit_ex(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
862     const char *mdname, OSSL_LIB_CTX *libctx,
863     const char *props, EVP_PKEY *pkey,
864     const OSSL_PARAM params[]);
865 __owur int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
866     const EVP_MD *type, ENGINE *e,
867     EVP_PKEY *pkey);
868 __owur int EVP_DigestSignUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize);
869 __owur int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sigret,
870     size_t *siglen);
871 
872 __owur int EVP_DigestVerifyInit_ex(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
873     const char *mdname, OSSL_LIB_CTX *libctx,
874     const char *props, EVP_PKEY *pkey,
875     const OSSL_PARAM params[]);
876 __owur int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
877     const EVP_MD *type, ENGINE *e,
878     EVP_PKEY *pkey);
879 int EVP_DigestVerifyUpdate(EVP_MD_CTX *ctx, const void *data, size_t dsize);
880 __owur int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sig,
881     size_t siglen);
882 
883 __owur int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
884     const unsigned char *ek, int ekl,
885     const unsigned char *iv, EVP_PKEY *priv);
886 __owur int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
887 
888 __owur int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
889     unsigned char **ek, int *ekl, unsigned char *iv,
890     EVP_PKEY **pubk, int npubk);
891 __owur int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
892 
893 EVP_ENCODE_CTX *EVP_ENCODE_CTX_new(void);
894 void EVP_ENCODE_CTX_free(EVP_ENCODE_CTX *ctx);
895 int EVP_ENCODE_CTX_copy(EVP_ENCODE_CTX *dctx, const EVP_ENCODE_CTX *sctx);
896 int EVP_ENCODE_CTX_num(EVP_ENCODE_CTX *ctx);
897 void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
898 int EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
899     const unsigned char *in, int inl);
900 void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
901 int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
902 
903 void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
904 int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
905     const unsigned char *in, int inl);
906 int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
907 int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
908 
909 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
910 #define EVP_CIPHER_CTX_init(c) EVP_CIPHER_CTX_reset(c)
911 #define EVP_CIPHER_CTX_cleanup(c) EVP_CIPHER_CTX_reset(c)
912 #endif
913 EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
914 int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *c);
915 void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *c);
916 int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
917 int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
918 int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
919 int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
920 int EVP_CIPHER_get_params(EVP_CIPHER *cipher, OSSL_PARAM params[]);
921 int EVP_CIPHER_CTX_set_params(EVP_CIPHER_CTX *ctx, const OSSL_PARAM params[]);
922 int EVP_CIPHER_CTX_get_params(EVP_CIPHER_CTX *ctx, OSSL_PARAM params[]);
923 const OSSL_PARAM *EVP_CIPHER_gettable_params(const EVP_CIPHER *cipher);
924 const OSSL_PARAM *EVP_CIPHER_settable_ctx_params(const EVP_CIPHER *cipher);
925 const OSSL_PARAM *EVP_CIPHER_gettable_ctx_params(const EVP_CIPHER *cipher);
926 const OSSL_PARAM *EVP_CIPHER_CTX_settable_params(EVP_CIPHER_CTX *ctx);
927 const OSSL_PARAM *EVP_CIPHER_CTX_gettable_params(EVP_CIPHER_CTX *ctx);
928 
929 int EVP_CIPHER_CTX_set_algor_params(EVP_CIPHER_CTX *ctx, const X509_ALGOR *alg);
930 int EVP_CIPHER_CTX_get_algor_params(EVP_CIPHER_CTX *ctx, X509_ALGOR *alg);
931 int EVP_CIPHER_CTX_get_algor(EVP_CIPHER_CTX *ctx, X509_ALGOR **alg);
932 
933 const BIO_METHOD *BIO_f_md(void);
934 const BIO_METHOD *BIO_f_base64(void);
935 const BIO_METHOD *BIO_f_cipher(void);
936 const BIO_METHOD *BIO_f_reliable(void);
937 __owur int BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
938     const unsigned char *i, int enc);
939 
940 const EVP_MD *EVP_md_null(void);
941 #ifndef OPENSSL_NO_MD2
942 const EVP_MD *EVP_md2(void);
943 #endif
944 #ifndef OPENSSL_NO_MD4
945 const EVP_MD *EVP_md4(void);
946 #endif
947 #ifndef OPENSSL_NO_MD5
948 const EVP_MD *EVP_md5(void);
949 const EVP_MD *EVP_md5_sha1(void);
950 #endif
951 #ifndef OPENSSL_NO_BLAKE2
952 const EVP_MD *EVP_blake2b512(void);
953 const EVP_MD *EVP_blake2s256(void);
954 #endif
955 const EVP_MD *EVP_sha1(void);
956 const EVP_MD *EVP_sha224(void);
957 const EVP_MD *EVP_sha256(void);
958 const EVP_MD *EVP_sha384(void);
959 const EVP_MD *EVP_sha512(void);
960 const EVP_MD *EVP_sha512_224(void);
961 const EVP_MD *EVP_sha512_256(void);
962 const EVP_MD *EVP_sha3_224(void);
963 const EVP_MD *EVP_sha3_256(void);
964 const EVP_MD *EVP_sha3_384(void);
965 const EVP_MD *EVP_sha3_512(void);
966 const EVP_MD *EVP_shake128(void);
967 const EVP_MD *EVP_shake256(void);
968 
969 #ifndef OPENSSL_NO_MDC2
970 const EVP_MD *EVP_mdc2(void);
971 #endif
972 #ifndef OPENSSL_NO_RMD160
973 const EVP_MD *EVP_ripemd160(void);
974 #endif
975 #ifndef OPENSSL_NO_WHIRLPOOL
976 const EVP_MD *EVP_whirlpool(void);
977 #endif
978 #ifndef OPENSSL_NO_SM3
979 const EVP_MD *EVP_sm3(void);
980 #endif
981 const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
982 #ifndef OPENSSL_NO_DES
983 const EVP_CIPHER *EVP_des_ecb(void);
984 const EVP_CIPHER *EVP_des_ede(void);
985 const EVP_CIPHER *EVP_des_ede3(void);
986 const EVP_CIPHER *EVP_des_ede_ecb(void);
987 const EVP_CIPHER *EVP_des_ede3_ecb(void);
988 const EVP_CIPHER *EVP_des_cfb64(void);
989 #define EVP_des_cfb EVP_des_cfb64
990 const EVP_CIPHER *EVP_des_cfb1(void);
991 const EVP_CIPHER *EVP_des_cfb8(void);
992 const EVP_CIPHER *EVP_des_ede_cfb64(void);
993 #define EVP_des_ede_cfb EVP_des_ede_cfb64
994 const EVP_CIPHER *EVP_des_ede3_cfb64(void);
995 #define EVP_des_ede3_cfb EVP_des_ede3_cfb64
996 const EVP_CIPHER *EVP_des_ede3_cfb1(void);
997 const EVP_CIPHER *EVP_des_ede3_cfb8(void);
998 const EVP_CIPHER *EVP_des_ofb(void);
999 const EVP_CIPHER *EVP_des_ede_ofb(void);
1000 const EVP_CIPHER *EVP_des_ede3_ofb(void);
1001 const EVP_CIPHER *EVP_des_cbc(void);
1002 const EVP_CIPHER *EVP_des_ede_cbc(void);
1003 const EVP_CIPHER *EVP_des_ede3_cbc(void);
1004 const EVP_CIPHER *EVP_desx_cbc(void);
1005 const EVP_CIPHER *EVP_des_ede3_wrap(void);
1006 /*
1007  * This should now be supported through the dev_crypto ENGINE. But also, why
1008  * are rc4 and md5 declarations made here inside a "NO_DES" precompiler
1009  * branch?
1010  */
1011 #endif
1012 #ifndef OPENSSL_NO_RC4
1013 const EVP_CIPHER *EVP_rc4(void);
1014 const EVP_CIPHER *EVP_rc4_40(void);
1015 #ifndef OPENSSL_NO_MD5
1016 const EVP_CIPHER *EVP_rc4_hmac_md5(void);
1017 #endif
1018 #endif
1019 #ifndef OPENSSL_NO_IDEA
1020 const EVP_CIPHER *EVP_idea_ecb(void);
1021 const EVP_CIPHER *EVP_idea_cfb64(void);
1022 #define EVP_idea_cfb EVP_idea_cfb64
1023 const EVP_CIPHER *EVP_idea_ofb(void);
1024 const EVP_CIPHER *EVP_idea_cbc(void);
1025 #endif
1026 #ifndef OPENSSL_NO_RC2
1027 const EVP_CIPHER *EVP_rc2_ecb(void);
1028 const EVP_CIPHER *EVP_rc2_cbc(void);
1029 const EVP_CIPHER *EVP_rc2_40_cbc(void);
1030 const EVP_CIPHER *EVP_rc2_64_cbc(void);
1031 const EVP_CIPHER *EVP_rc2_cfb64(void);
1032 #define EVP_rc2_cfb EVP_rc2_cfb64
1033 const EVP_CIPHER *EVP_rc2_ofb(void);
1034 #endif
1035 #ifndef OPENSSL_NO_BF
1036 const EVP_CIPHER *EVP_bf_ecb(void);
1037 const EVP_CIPHER *EVP_bf_cbc(void);
1038 const EVP_CIPHER *EVP_bf_cfb64(void);
1039 #define EVP_bf_cfb EVP_bf_cfb64
1040 const EVP_CIPHER *EVP_bf_ofb(void);
1041 #endif
1042 #ifndef OPENSSL_NO_CAST
1043 const EVP_CIPHER *EVP_cast5_ecb(void);
1044 const EVP_CIPHER *EVP_cast5_cbc(void);
1045 const EVP_CIPHER *EVP_cast5_cfb64(void);
1046 #define EVP_cast5_cfb EVP_cast5_cfb64
1047 const EVP_CIPHER *EVP_cast5_ofb(void);
1048 #endif
1049 #ifndef OPENSSL_NO_RC5
1050 const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
1051 const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
1052 const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
1053 #define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
1054 const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
1055 #endif
1056 const EVP_CIPHER *EVP_aes_128_ecb(void);
1057 const EVP_CIPHER *EVP_aes_128_cbc(void);
1058 const EVP_CIPHER *EVP_aes_128_cfb1(void);
1059 const EVP_CIPHER *EVP_aes_128_cfb8(void);
1060 const EVP_CIPHER *EVP_aes_128_cfb128(void);
1061 #define EVP_aes_128_cfb EVP_aes_128_cfb128
1062 const EVP_CIPHER *EVP_aes_128_ofb(void);
1063 const EVP_CIPHER *EVP_aes_128_ctr(void);
1064 const EVP_CIPHER *EVP_aes_128_ccm(void);
1065 const EVP_CIPHER *EVP_aes_128_gcm(void);
1066 const EVP_CIPHER *EVP_aes_128_xts(void);
1067 const EVP_CIPHER *EVP_aes_128_wrap(void);
1068 const EVP_CIPHER *EVP_aes_128_wrap_pad(void);
1069 #ifndef OPENSSL_NO_OCB
1070 const EVP_CIPHER *EVP_aes_128_ocb(void);
1071 #endif
1072 const EVP_CIPHER *EVP_aes_192_ecb(void);
1073 const EVP_CIPHER *EVP_aes_192_cbc(void);
1074 const EVP_CIPHER *EVP_aes_192_cfb1(void);
1075 const EVP_CIPHER *EVP_aes_192_cfb8(void);
1076 const EVP_CIPHER *EVP_aes_192_cfb128(void);
1077 #define EVP_aes_192_cfb EVP_aes_192_cfb128
1078 const EVP_CIPHER *EVP_aes_192_ofb(void);
1079 const EVP_CIPHER *EVP_aes_192_ctr(void);
1080 const EVP_CIPHER *EVP_aes_192_ccm(void);
1081 const EVP_CIPHER *EVP_aes_192_gcm(void);
1082 const EVP_CIPHER *EVP_aes_192_wrap(void);
1083 const EVP_CIPHER *EVP_aes_192_wrap_pad(void);
1084 #ifndef OPENSSL_NO_OCB
1085 const EVP_CIPHER *EVP_aes_192_ocb(void);
1086 #endif
1087 const EVP_CIPHER *EVP_aes_256_ecb(void);
1088 const EVP_CIPHER *EVP_aes_256_cbc(void);
1089 const EVP_CIPHER *EVP_aes_256_cfb1(void);
1090 const EVP_CIPHER *EVP_aes_256_cfb8(void);
1091 const EVP_CIPHER *EVP_aes_256_cfb128(void);
1092 #define EVP_aes_256_cfb EVP_aes_256_cfb128
1093 const EVP_CIPHER *EVP_aes_256_ofb(void);
1094 const EVP_CIPHER *EVP_aes_256_ctr(void);
1095 const EVP_CIPHER *EVP_aes_256_ccm(void);
1096 const EVP_CIPHER *EVP_aes_256_gcm(void);
1097 const EVP_CIPHER *EVP_aes_256_xts(void);
1098 const EVP_CIPHER *EVP_aes_256_wrap(void);
1099 const EVP_CIPHER *EVP_aes_256_wrap_pad(void);
1100 #ifndef OPENSSL_NO_OCB
1101 const EVP_CIPHER *EVP_aes_256_ocb(void);
1102 #endif
1103 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
1104 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
1105 const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha256(void);
1106 const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha256(void);
1107 #ifndef OPENSSL_NO_ARIA
1108 const EVP_CIPHER *EVP_aria_128_ecb(void);
1109 const EVP_CIPHER *EVP_aria_128_cbc(void);
1110 const EVP_CIPHER *EVP_aria_128_cfb1(void);
1111 const EVP_CIPHER *EVP_aria_128_cfb8(void);
1112 const EVP_CIPHER *EVP_aria_128_cfb128(void);
1113 #define EVP_aria_128_cfb EVP_aria_128_cfb128
1114 const EVP_CIPHER *EVP_aria_128_ctr(void);
1115 const EVP_CIPHER *EVP_aria_128_ofb(void);
1116 const EVP_CIPHER *EVP_aria_128_gcm(void);
1117 const EVP_CIPHER *EVP_aria_128_ccm(void);
1118 const EVP_CIPHER *EVP_aria_192_ecb(void);
1119 const EVP_CIPHER *EVP_aria_192_cbc(void);
1120 const EVP_CIPHER *EVP_aria_192_cfb1(void);
1121 const EVP_CIPHER *EVP_aria_192_cfb8(void);
1122 const EVP_CIPHER *EVP_aria_192_cfb128(void);
1123 #define EVP_aria_192_cfb EVP_aria_192_cfb128
1124 const EVP_CIPHER *EVP_aria_192_ctr(void);
1125 const EVP_CIPHER *EVP_aria_192_ofb(void);
1126 const EVP_CIPHER *EVP_aria_192_gcm(void);
1127 const EVP_CIPHER *EVP_aria_192_ccm(void);
1128 const EVP_CIPHER *EVP_aria_256_ecb(void);
1129 const EVP_CIPHER *EVP_aria_256_cbc(void);
1130 const EVP_CIPHER *EVP_aria_256_cfb1(void);
1131 const EVP_CIPHER *EVP_aria_256_cfb8(void);
1132 const EVP_CIPHER *EVP_aria_256_cfb128(void);
1133 #define EVP_aria_256_cfb EVP_aria_256_cfb128
1134 const EVP_CIPHER *EVP_aria_256_ctr(void);
1135 const EVP_CIPHER *EVP_aria_256_ofb(void);
1136 const EVP_CIPHER *EVP_aria_256_gcm(void);
1137 const EVP_CIPHER *EVP_aria_256_ccm(void);
1138 #endif
1139 #ifndef OPENSSL_NO_CAMELLIA
1140 const EVP_CIPHER *EVP_camellia_128_ecb(void);
1141 const EVP_CIPHER *EVP_camellia_128_cbc(void);
1142 const EVP_CIPHER *EVP_camellia_128_cfb1(void);
1143 const EVP_CIPHER *EVP_camellia_128_cfb8(void);
1144 const EVP_CIPHER *EVP_camellia_128_cfb128(void);
1145 #define EVP_camellia_128_cfb EVP_camellia_128_cfb128
1146 const EVP_CIPHER *EVP_camellia_128_ofb(void);
1147 const EVP_CIPHER *EVP_camellia_128_ctr(void);
1148 const EVP_CIPHER *EVP_camellia_192_ecb(void);
1149 const EVP_CIPHER *EVP_camellia_192_cbc(void);
1150 const EVP_CIPHER *EVP_camellia_192_cfb1(void);
1151 const EVP_CIPHER *EVP_camellia_192_cfb8(void);
1152 const EVP_CIPHER *EVP_camellia_192_cfb128(void);
1153 #define EVP_camellia_192_cfb EVP_camellia_192_cfb128
1154 const EVP_CIPHER *EVP_camellia_192_ofb(void);
1155 const EVP_CIPHER *EVP_camellia_192_ctr(void);
1156 const EVP_CIPHER *EVP_camellia_256_ecb(void);
1157 const EVP_CIPHER *EVP_camellia_256_cbc(void);
1158 const EVP_CIPHER *EVP_camellia_256_cfb1(void);
1159 const EVP_CIPHER *EVP_camellia_256_cfb8(void);
1160 const EVP_CIPHER *EVP_camellia_256_cfb128(void);
1161 #define EVP_camellia_256_cfb EVP_camellia_256_cfb128
1162 const EVP_CIPHER *EVP_camellia_256_ofb(void);
1163 const EVP_CIPHER *EVP_camellia_256_ctr(void);
1164 #endif
1165 #ifndef OPENSSL_NO_CHACHA
1166 const EVP_CIPHER *EVP_chacha20(void);
1167 #ifndef OPENSSL_NO_POLY1305
1168 const EVP_CIPHER *EVP_chacha20_poly1305(void);
1169 #endif
1170 #endif
1171 
1172 #ifndef OPENSSL_NO_SEED
1173 const EVP_CIPHER *EVP_seed_ecb(void);
1174 const EVP_CIPHER *EVP_seed_cbc(void);
1175 const EVP_CIPHER *EVP_seed_cfb128(void);
1176 #define EVP_seed_cfb EVP_seed_cfb128
1177 const EVP_CIPHER *EVP_seed_ofb(void);
1178 #endif
1179 
1180 #ifndef OPENSSL_NO_SM4
1181 const EVP_CIPHER *EVP_sm4_ecb(void);
1182 const EVP_CIPHER *EVP_sm4_cbc(void);
1183 const EVP_CIPHER *EVP_sm4_cfb128(void);
1184 #define EVP_sm4_cfb EVP_sm4_cfb128
1185 const EVP_CIPHER *EVP_sm4_ofb(void);
1186 const EVP_CIPHER *EVP_sm4_ctr(void);
1187 #endif
1188 
1189 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
1190 #define OPENSSL_add_all_algorithms_conf()            \
1191     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
1192             | OPENSSL_INIT_ADD_ALL_DIGESTS           \
1193             | OPENSSL_INIT_LOAD_CONFIG,              \
1194         NULL)
1195 #define OPENSSL_add_all_algorithms_noconf()          \
1196     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS \
1197             | OPENSSL_INIT_ADD_ALL_DIGESTS,          \
1198         NULL)
1199 
1200 #ifdef OPENSSL_LOAD_CONF
1201 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_conf()
1202 #else
1203 #define OpenSSL_add_all_algorithms() OPENSSL_add_all_algorithms_noconf()
1204 #endif
1205 
1206 #define OpenSSL_add_all_ciphers() \
1207     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS, NULL)
1208 #define OpenSSL_add_all_digests() \
1209     OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_DIGESTS, NULL)
1210 
1211 #define EVP_cleanup() \
1212     while (0)         \
1213     continue
1214 #endif
1215 
1216 int EVP_add_cipher(const EVP_CIPHER *cipher);
1217 int EVP_add_digest(const EVP_MD *digest);
1218 
1219 const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
1220 const EVP_MD *EVP_get_digestbyname(const char *name);
1221 
1222 void EVP_CIPHER_do_all(void (*fn)(const EVP_CIPHER *ciph,
1223                            const char *from, const char *to, void *x),
1224     void *arg);
1225 void EVP_CIPHER_do_all_sorted(void (*fn)(const EVP_CIPHER *ciph, const char *from,
1226                                   const char *to, void *x),
1227     void *arg);
1228 void EVP_CIPHER_do_all_provided(OSSL_LIB_CTX *libctx,
1229     void (*fn)(EVP_CIPHER *cipher, void *arg),
1230     void *arg);
1231 
1232 void EVP_MD_do_all(void (*fn)(const EVP_MD *ciph,
1233                        const char *from, const char *to, void *x),
1234     void *arg);
1235 void EVP_MD_do_all_sorted(void (*fn)(const EVP_MD *ciph, const char *from,
1236                               const char *to, void *x),
1237     void *arg);
1238 void EVP_MD_do_all_provided(OSSL_LIB_CTX *libctx,
1239     void (*fn)(EVP_MD *md, void *arg),
1240     void *arg);
1241 
1242 /* MAC stuff */
1243 
1244 EVP_MAC *EVP_MAC_fetch(OSSL_LIB_CTX *libctx, const char *algorithm,
1245     const char *properties);
1246 int EVP_MAC_up_ref(EVP_MAC *mac);
1247 void EVP_MAC_free(EVP_MAC *mac);
1248 const char *EVP_MAC_get0_name(const EVP_MAC *mac);
1249 const char *EVP_MAC_get0_description(const EVP_MAC *mac);
1250 int EVP_MAC_is_a(const EVP_MAC *mac, const char *name);
1251 const OSSL_PROVIDER *EVP_MAC_get0_provider(const EVP_MAC *mac);
1252 int EVP_MAC_get_params(EVP_MAC *mac, OSSL_PARAM params[]);
1253 
1254 EVP_MAC_CTX *EVP_MAC_CTX_new(EVP_MAC *mac);
1255 void EVP_MAC_CTX_free(EVP_MAC_CTX *ctx);
1256 EVP_MAC_CTX *EVP_MAC_CTX_dup(const EVP_MAC_CTX *src);
1257 EVP_MAC *EVP_MAC_CTX_get0_mac(EVP_MAC_CTX *ctx);
1258 int EVP_MAC_CTX_get_params(EVP_MAC_CTX *ctx, OSSL_PARAM params[]);
1259 int EVP_MAC_CTX_set_params(EVP_MAC_CTX *ctx, const OSSL_PARAM params[]);
1260 
1261 size_t EVP_MAC_CTX_get_mac_size(EVP_MAC_CTX *ctx);
1262 size_t EVP_MAC_CTX_get_block_size(EVP_MAC_CTX *ctx);
1263 unsigned char *EVP_Q_mac(OSSL_LIB_CTX *libctx, const char *name, const char *propq,
1264     const char *subalg, const OSSL_PARAM *params,
1265     const void *key, size_t keylen,
1266     const unsigned char *data, size_t datalen,
1267     unsigned char *out, size_t outsize, size_t *outlen);
1268 int EVP_MAC_init(EVP_MAC_CTX *ctx, const unsigned char *key, size_t keylen,
1269     const OSSL_PARAM params[]);
1270 int EVP_MAC_init_SKEY(EVP_MAC_CTX *ctx, EVP_SKEY *skey, const OSSL_PARAM params[]);
1271 int EVP_MAC_update(EVP_MAC_CTX *ctx, const unsigned char *data, size_t datalen);
1272 int EVP_MAC_final(EVP_MAC_CTX *ctx,
1273     unsigned char *out, size_t *outl, size_t outsize);
1274 int EVP_MAC_finalXOF(EVP_MAC_CTX *ctx, unsigned char *out, size_t outsize);
1275 const OSSL_PARAM *EVP_MAC_gettable_params(const EVP_MAC *mac);
1276 const OSSL_PARAM *EVP_MAC_gettable_ctx_params(const EVP_MAC *mac);
1277 const OSSL_PARAM *EVP_MAC_settable_ctx_params(const EVP_MAC *mac);
1278 const OSSL_PARAM *EVP_MAC_CTX_gettable_params(EVP_MAC_CTX *ctx);
1279 const OSSL_PARAM *EVP_MAC_CTX_settable_params(EVP_MAC_CTX *ctx);
1280 
1281 void EVP_MAC_do_all_provided(OSSL_LIB_CTX *libctx,
1282     void (*fn)(EVP_MAC *mac, void *arg),
1283     void *arg);
1284 int EVP_MAC_names_do_all(const EVP_MAC *mac,
1285     void (*fn)(const char *name, void *data),
1286     void *data);
1287 
1288 /* RAND stuff */
1289 EVP_RAND *EVP_RAND_fetch(OSSL_LIB_CTX *libctx, const char *algorithm,
1290     const char *properties);
1291 int EVP_RAND_up_ref(EVP_RAND *rand);
1292 void EVP_RAND_free(EVP_RAND *rand);
1293 const char *EVP_RAND_get0_name(const EVP_RAND *rand);
1294 const char *EVP_RAND_get0_description(const EVP_RAND *md);
1295 int EVP_RAND_is_a(const EVP_RAND *rand, const char *name);
1296 const OSSL_PROVIDER *EVP_RAND_get0_provider(const EVP_RAND *rand);
1297 int EVP_RAND_get_params(EVP_RAND *rand, OSSL_PARAM params[]);
1298 
1299 EVP_RAND_CTX *EVP_RAND_CTX_new(EVP_RAND *rand, EVP_RAND_CTX *parent);
1300 int EVP_RAND_CTX_up_ref(EVP_RAND_CTX *ctx);
1301 void EVP_RAND_CTX_free(EVP_RAND_CTX *ctx);
1302 EVP_RAND *EVP_RAND_CTX_get0_rand(EVP_RAND_CTX *ctx);
1303 int EVP_RAND_CTX_get_params(EVP_RAND_CTX *ctx, OSSL_PARAM params[]);
1304 int EVP_RAND_CTX_set_params(EVP_RAND_CTX *ctx, const OSSL_PARAM params[]);
1305 const OSSL_PARAM *EVP_RAND_gettable_params(const EVP_RAND *rand);
1306 const OSSL_PARAM *EVP_RAND_gettable_ctx_params(const EVP_RAND *rand);
1307 const OSSL_PARAM *EVP_RAND_settable_ctx_params(const EVP_RAND *rand);
1308 const OSSL_PARAM *EVP_RAND_CTX_gettable_params(EVP_RAND_CTX *ctx);
1309 const OSSL_PARAM *EVP_RAND_CTX_settable_params(EVP_RAND_CTX *ctx);
1310 
1311 void EVP_RAND_do_all_provided(OSSL_LIB_CTX *libctx,
1312     void (*fn)(EVP_RAND *rand, void *arg),
1313     void *arg);
1314 int EVP_RAND_names_do_all(const EVP_RAND *rand,
1315     void (*fn)(const char *name, void *data),
1316     void *data);
1317 
1318 __owur int EVP_RAND_instantiate(EVP_RAND_CTX *ctx, unsigned int strength,
1319     int prediction_resistance,
1320     const unsigned char *pstr, size_t pstr_len,
1321     const OSSL_PARAM params[]);
1322 int EVP_RAND_uninstantiate(EVP_RAND_CTX *ctx);
1323 __owur int EVP_RAND_generate(EVP_RAND_CTX *ctx, unsigned char *out,
1324     size_t outlen, unsigned int strength,
1325     int prediction_resistance,
1326     const unsigned char *addin, size_t addin_len);
1327 int EVP_RAND_reseed(EVP_RAND_CTX *ctx, int prediction_resistance,
1328     const unsigned char *ent, size_t ent_len,
1329     const unsigned char *addin, size_t addin_len);
1330 __owur int EVP_RAND_nonce(EVP_RAND_CTX *ctx, unsigned char *out, size_t outlen);
1331 __owur int EVP_RAND_enable_locking(EVP_RAND_CTX *ctx);
1332 
1333 int EVP_RAND_verify_zeroization(EVP_RAND_CTX *ctx);
1334 unsigned int EVP_RAND_get_strength(EVP_RAND_CTX *ctx);
1335 int EVP_RAND_get_state(EVP_RAND_CTX *ctx);
1336 
1337 #define EVP_RAND_STATE_UNINITIALISED 0
1338 #define EVP_RAND_STATE_READY 1
1339 #define EVP_RAND_STATE_ERROR 2
1340 
1341 /* PKEY stuff */
1342 #ifndef OPENSSL_NO_DEPRECATED_3_0
1343 OSSL_DEPRECATEDIN_3_0 int EVP_PKEY_decrypt_old(unsigned char *dec_key,
1344     const unsigned char *enc_key,
1345     int enc_key_len,
1346     EVP_PKEY *private_key);
1347 OSSL_DEPRECATEDIN_3_0 int EVP_PKEY_encrypt_old(unsigned char *enc_key,
1348     const unsigned char *key,
1349     int key_len, EVP_PKEY *pub_key);
1350 #endif
1351 int EVP_PKEY_is_a(const EVP_PKEY *pkey, const char *name);
1352 int EVP_PKEY_type_names_do_all(const EVP_PKEY *pkey,
1353     void (*fn)(const char *name, void *data),
1354     void *data);
1355 int EVP_PKEY_type(int type);
1356 int EVP_PKEY_get_id(const EVP_PKEY *pkey);
1357 #define EVP_PKEY_id EVP_PKEY_get_id
1358 int EVP_PKEY_get_base_id(const EVP_PKEY *pkey);
1359 #define EVP_PKEY_base_id EVP_PKEY_get_base_id
1360 int EVP_PKEY_get_bits(const EVP_PKEY *pkey);
1361 #define EVP_PKEY_bits EVP_PKEY_get_bits
1362 int EVP_PKEY_get_security_bits(const EVP_PKEY *pkey);
1363 #define EVP_PKEY_security_bits EVP_PKEY_get_security_bits
1364 int EVP_PKEY_get_size(const EVP_PKEY *pkey);
1365 #define EVP_PKEY_size EVP_PKEY_get_size
1366 int EVP_PKEY_can_sign(const EVP_PKEY *pkey);
1367 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
1368 int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
1369 int EVP_PKEY_set_type_by_keymgmt(EVP_PKEY *pkey, EVP_KEYMGMT *keymgmt);
1370 #ifndef OPENSSL_NO_DEPRECATED_3_0
1371 #ifndef OPENSSL_NO_ENGINE
1372 OSSL_DEPRECATEDIN_3_0
1373 int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e);
1374 OSSL_DEPRECATEDIN_3_0
1375 ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey);
1376 #endif
1377 OSSL_DEPRECATEDIN_3_0
1378 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
1379 OSSL_DEPRECATEDIN_3_0
1380 void *EVP_PKEY_get0(const EVP_PKEY *pkey);
1381 OSSL_DEPRECATEDIN_3_0
1382 const unsigned char *EVP_PKEY_get0_hmac(const EVP_PKEY *pkey, size_t *len);
1383 #ifndef OPENSSL_NO_POLY1305
1384 OSSL_DEPRECATEDIN_3_0
1385 const unsigned char *EVP_PKEY_get0_poly1305(const EVP_PKEY *pkey, size_t *len);
1386 #endif
1387 #ifndef OPENSSL_NO_SIPHASH
1388 OSSL_DEPRECATEDIN_3_0
1389 const unsigned char *EVP_PKEY_get0_siphash(const EVP_PKEY *pkey, size_t *len);
1390 #endif
1391 
1392 struct rsa_st;
1393 OSSL_DEPRECATEDIN_3_0
1394 int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
1395 OSSL_DEPRECATEDIN_3_0
1396 const struct rsa_st *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey);
1397 OSSL_DEPRECATEDIN_3_0
1398 struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
1399 
1400 #ifndef OPENSSL_NO_DSA
1401 struct dsa_st;
1402 OSSL_DEPRECATEDIN_3_0
1403 int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
1404 OSSL_DEPRECATEDIN_3_0
1405 const struct dsa_st *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey);
1406 OSSL_DEPRECATEDIN_3_0
1407 struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
1408 #endif
1409 
1410 #ifndef OPENSSL_NO_DH
1411 struct dh_st;
1412 OSSL_DEPRECATEDIN_3_0 int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
1413 OSSL_DEPRECATEDIN_3_0 const struct dh_st *EVP_PKEY_get0_DH(const EVP_PKEY *pkey);
1414 OSSL_DEPRECATEDIN_3_0 struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
1415 #endif
1416 
1417 #ifndef OPENSSL_NO_EC
1418 struct ec_key_st;
1419 OSSL_DEPRECATEDIN_3_0
1420 int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
1421 OSSL_DEPRECATEDIN_3_0
1422 const struct ec_key_st *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey);
1423 OSSL_DEPRECATEDIN_3_0
1424 struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
1425 #endif
1426 #endif /* OPENSSL_NO_DEPRECATED_3_0 */
1427 
1428 EVP_PKEY *EVP_PKEY_new(void);
1429 int EVP_PKEY_up_ref(EVP_PKEY *pkey);
1430 EVP_PKEY *EVP_PKEY_dup(EVP_PKEY *pkey);
1431 void EVP_PKEY_free(EVP_PKEY *pkey);
1432 const char *EVP_PKEY_get0_description(const EVP_PKEY *pkey);
1433 const OSSL_PROVIDER *EVP_PKEY_get0_provider(const EVP_PKEY *key);
1434 
1435 EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
1436     long length);
1437 int i2d_PublicKey(const EVP_PKEY *a, unsigned char **pp);
1438 
1439 EVP_PKEY *d2i_PrivateKey_ex(int type, EVP_PKEY **a, const unsigned char **pp,
1440     long length, OSSL_LIB_CTX *libctx,
1441     const char *propq);
1442 EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
1443     long length);
1444 EVP_PKEY *d2i_AutoPrivateKey_ex(EVP_PKEY **a, const unsigned char **pp,
1445     long length, OSSL_LIB_CTX *libctx,
1446     const char *propq);
1447 EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
1448     long length);
1449 int i2d_PrivateKey(const EVP_PKEY *a, unsigned char **pp);
1450 
1451 int i2d_KeyParams(const EVP_PKEY *a, unsigned char **pp);
1452 EVP_PKEY *d2i_KeyParams(int type, EVP_PKEY **a, const unsigned char **pp,
1453     long length);
1454 int i2d_KeyParams_bio(BIO *bp, const EVP_PKEY *pkey);
1455 EVP_PKEY *d2i_KeyParams_bio(int type, EVP_PKEY **a, BIO *in);
1456 
1457 int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
1458 int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
1459 int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
1460 int EVP_PKEY_parameters_eq(const EVP_PKEY *a, const EVP_PKEY *b);
1461 int EVP_PKEY_eq(const EVP_PKEY *a, const EVP_PKEY *b);
1462 
1463 #ifndef OPENSSL_NO_DEPRECATED_3_0
1464 OSSL_DEPRECATEDIN_3_0
1465 int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
1466 OSSL_DEPRECATEDIN_3_0
1467 int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
1468 #endif
1469 
1470 int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
1471     int indent, ASN1_PCTX *pctx);
1472 int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
1473     int indent, ASN1_PCTX *pctx);
1474 int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
1475     int indent, ASN1_PCTX *pctx);
1476 #ifndef OPENSSL_NO_STDIO
1477 int EVP_PKEY_print_public_fp(FILE *fp, const EVP_PKEY *pkey,
1478     int indent, ASN1_PCTX *pctx);
1479 int EVP_PKEY_print_private_fp(FILE *fp, const EVP_PKEY *pkey,
1480     int indent, ASN1_PCTX *pctx);
1481 int EVP_PKEY_print_params_fp(FILE *fp, const EVP_PKEY *pkey,
1482     int indent, ASN1_PCTX *pctx);
1483 #endif
1484 
1485 int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
1486 int EVP_PKEY_get_default_digest_name(EVP_PKEY *pkey,
1487     char *mdname, size_t mdname_sz);
1488 int EVP_PKEY_digestsign_supports_digest(EVP_PKEY *pkey, OSSL_LIB_CTX *libctx,
1489     const char *name, const char *propq);
1490 
1491 #ifndef OPENSSL_NO_DEPRECATED_3_0
1492 /*
1493  * For backwards compatibility. Use EVP_PKEY_set1_encoded_public_key in
1494  * preference
1495  */
1496 #define EVP_PKEY_set1_tls_encodedpoint(pkey, pt, ptlen) \
1497     EVP_PKEY_set1_encoded_public_key((pkey), (pt), (ptlen))
1498 #endif
1499 
1500 int EVP_PKEY_set1_encoded_public_key(EVP_PKEY *pkey,
1501     const unsigned char *pub, size_t publen);
1502 
1503 #ifndef OPENSSL_NO_DEPRECATED_3_0
1504 /*
1505  * For backwards compatibility. Use EVP_PKEY_get1_encoded_public_key in
1506  * preference
1507  */
1508 #define EVP_PKEY_get1_tls_encodedpoint(pkey, ppt) \
1509     EVP_PKEY_get1_encoded_public_key((pkey), (ppt))
1510 #endif
1511 
1512 size_t EVP_PKEY_get1_encoded_public_key(EVP_PKEY *pkey, unsigned char **ppub);
1513 
1514 /* calls methods */
1515 int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1516 int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1517 
1518 /* These are used by EVP_CIPHER methods */
1519 int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1520 int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
1521 
1522 /* PKCS5 password based encryption */
1523 int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1524     ASN1_TYPE *param, const EVP_CIPHER *cipher,
1525     const EVP_MD *md, int en_de);
1526 int PKCS5_PBE_keyivgen_ex(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
1527     ASN1_TYPE *param, const EVP_CIPHER *cipher,
1528     const EVP_MD *md, int en_de, OSSL_LIB_CTX *libctx,
1529     const char *propq);
1530 int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
1531     const unsigned char *salt, int saltlen, int iter,
1532     int keylen, unsigned char *out);
1533 int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
1534     const unsigned char *salt, int saltlen, int iter,
1535     const EVP_MD *digest, int keylen, unsigned char *out);
1536 int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1537     ASN1_TYPE *param, const EVP_CIPHER *cipher,
1538     const EVP_MD *md, int en_de);
1539 int PKCS5_v2_PBE_keyivgen_ex(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
1540     ASN1_TYPE *param, const EVP_CIPHER *cipher,
1541     const EVP_MD *md, int en_de,
1542     OSSL_LIB_CTX *libctx, const char *propq);
1543 
1544 #ifndef OPENSSL_NO_SCRYPT
1545 int EVP_PBE_scrypt(const char *pass, size_t passlen,
1546     const unsigned char *salt, size_t saltlen,
1547     uint64_t N, uint64_t r, uint64_t p, uint64_t maxmem,
1548     unsigned char *key, size_t keylen);
1549 int EVP_PBE_scrypt_ex(const char *pass, size_t passlen,
1550     const unsigned char *salt, size_t saltlen,
1551     uint64_t N, uint64_t r, uint64_t p, uint64_t maxmem,
1552     unsigned char *key, size_t keylen,
1553     OSSL_LIB_CTX *ctx, const char *propq);
1554 
1555 int PKCS5_v2_scrypt_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass,
1556     int passlen, ASN1_TYPE *param,
1557     const EVP_CIPHER *c, const EVP_MD *md, int en_de);
1558 int PKCS5_v2_scrypt_keyivgen_ex(EVP_CIPHER_CTX *ctx, const char *pass,
1559     int passlen, ASN1_TYPE *param,
1560     const EVP_CIPHER *c, const EVP_MD *md, int en_de,
1561     OSSL_LIB_CTX *libctx, const char *propq);
1562 #endif
1563 
1564 void PKCS5_PBE_add(void);
1565 
1566 int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1567     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
1568 
1569 int EVP_PBE_CipherInit_ex(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1570     ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de,
1571     OSSL_LIB_CTX *libctx, const char *propq);
1572 
1573 /* PBE type */
1574 
1575 /* Can appear as the outermost AlgorithmIdentifier */
1576 #define EVP_PBE_TYPE_OUTER 0x0
1577 /* Is an PRF type OID */
1578 #define EVP_PBE_TYPE_PRF 0x1
1579 /* Is a PKCS#5 v2.0 KDF */
1580 #define EVP_PBE_TYPE_KDF 0x2
1581 
1582 int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1583     int md_nid, EVP_PBE_KEYGEN *keygen);
1584 int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1585     EVP_PBE_KEYGEN *keygen);
1586 int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1587     EVP_PBE_KEYGEN **pkeygen);
1588 int EVP_PBE_find_ex(int type, int pbe_nid, int *pcnid, int *pmnid,
1589     EVP_PBE_KEYGEN **pkeygen, EVP_PBE_KEYGEN_EX **pkeygen_ex);
1590 void EVP_PBE_cleanup(void);
1591 int EVP_PBE_get(int *ptype, int *ppbe_nid, size_t num);
1592 
1593 #define ASN1_PKEY_ALIAS 0x1
1594 #define ASN1_PKEY_DYNAMIC 0x2
1595 #define ASN1_PKEY_SIGPARAM_NULL 0x4
1596 
1597 #define ASN1_PKEY_CTRL_PKCS7_SIGN 0x1
1598 #define ASN1_PKEY_CTRL_PKCS7_ENCRYPT 0x2
1599 #define ASN1_PKEY_CTRL_DEFAULT_MD_NID 0x3
1600 #define ASN1_PKEY_CTRL_CMS_SIGN 0x5
1601 #define ASN1_PKEY_CTRL_CMS_ENVELOPE 0x7
1602 #define ASN1_PKEY_CTRL_CMS_RI_TYPE 0x8
1603 
1604 #define ASN1_PKEY_CTRL_SET1_TLS_ENCPT 0x9
1605 #define ASN1_PKEY_CTRL_GET1_TLS_ENCPT 0xa
1606 #define ASN1_PKEY_CTRL_CMS_IS_RI_TYPE_SUPPORTED 0xb
1607 
1608 int EVP_PKEY_asn1_get_count(void);
1609 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1610 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1611 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1612     const char *str, int len);
1613 int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1614 int EVP_PKEY_asn1_add_alias(int to, int from);
1615 int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
1616     int *ppkey_flags, const char **pinfo,
1617     const char **ppem_str,
1618     const EVP_PKEY_ASN1_METHOD *ameth);
1619 
1620 const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(const EVP_PKEY *pkey);
1621 EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1622     const char *pem_str,
1623     const char *info);
1624 void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1625     const EVP_PKEY_ASN1_METHOD *src);
1626 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1627 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1628     int (*pub_decode)(EVP_PKEY *pk,
1629         const X509_PUBKEY *pub),
1630     int (*pub_encode)(X509_PUBKEY *pub,
1631         const EVP_PKEY *pk),
1632     int (*pub_cmp)(const EVP_PKEY *a,
1633         const EVP_PKEY *b),
1634     int (*pub_print)(BIO *out,
1635         const EVP_PKEY *pkey,
1636         int indent, ASN1_PCTX *pctx),
1637     int (*pkey_size)(const EVP_PKEY *pk),
1638     int (*pkey_bits)(const EVP_PKEY *pk));
1639 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1640     int (*priv_decode)(EVP_PKEY *pk,
1641         const PKCS8_PRIV_KEY_INFO
1642             *p8inf),
1643     int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8,
1644         const EVP_PKEY *pk),
1645     int (*priv_print)(BIO *out,
1646         const EVP_PKEY *pkey,
1647         int indent,
1648         ASN1_PCTX *pctx));
1649 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1650     int (*param_decode)(EVP_PKEY *pkey,
1651         const unsigned char **pder,
1652         int derlen),
1653     int (*param_encode)(const EVP_PKEY *pkey,
1654         unsigned char **pder),
1655     int (*param_missing)(const EVP_PKEY *pk),
1656     int (*param_copy)(EVP_PKEY *to,
1657         const EVP_PKEY *from),
1658     int (*param_cmp)(const EVP_PKEY *a,
1659         const EVP_PKEY *b),
1660     int (*param_print)(BIO *out,
1661         const EVP_PKEY *pkey,
1662         int indent,
1663         ASN1_PCTX *pctx));
1664 
1665 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1666     void (*pkey_free)(EVP_PKEY *pkey));
1667 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1668     int (*pkey_ctrl)(EVP_PKEY *pkey, int op,
1669         long arg1, void *arg2));
1670 void EVP_PKEY_asn1_set_item(EVP_PKEY_ASN1_METHOD *ameth,
1671     int (*item_verify)(EVP_MD_CTX *ctx,
1672         const ASN1_ITEM *it,
1673         const void *data,
1674         const X509_ALGOR *a,
1675         const ASN1_BIT_STRING *sig,
1676         EVP_PKEY *pkey),
1677     int (*item_sign)(EVP_MD_CTX *ctx,
1678         const ASN1_ITEM *it,
1679         const void *data,
1680         X509_ALGOR *alg1,
1681         X509_ALGOR *alg2,
1682         ASN1_BIT_STRING *sig));
1683 
1684 void EVP_PKEY_asn1_set_siginf(EVP_PKEY_ASN1_METHOD *ameth,
1685     int (*siginf_set)(X509_SIG_INFO *siginf,
1686         const X509_ALGOR *alg,
1687         const ASN1_STRING *sig));
1688 
1689 void EVP_PKEY_asn1_set_check(EVP_PKEY_ASN1_METHOD *ameth,
1690     int (*pkey_check)(const EVP_PKEY *pk));
1691 
1692 void EVP_PKEY_asn1_set_public_check(EVP_PKEY_ASN1_METHOD *ameth,
1693     int (*pkey_pub_check)(const EVP_PKEY *pk));
1694 
1695 void EVP_PKEY_asn1_set_param_check(EVP_PKEY_ASN1_METHOD *ameth,
1696     int (*pkey_param_check)(const EVP_PKEY *pk));
1697 
1698 void EVP_PKEY_asn1_set_set_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
1699     int (*set_priv_key)(EVP_PKEY *pk,
1700         const unsigned char
1701             *priv,
1702         size_t len));
1703 void EVP_PKEY_asn1_set_set_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
1704     int (*set_pub_key)(EVP_PKEY *pk,
1705         const unsigned char *pub,
1706         size_t len));
1707 void EVP_PKEY_asn1_set_get_priv_key(EVP_PKEY_ASN1_METHOD *ameth,
1708     int (*get_priv_key)(const EVP_PKEY *pk,
1709         unsigned char *priv,
1710         size_t *len));
1711 void EVP_PKEY_asn1_set_get_pub_key(EVP_PKEY_ASN1_METHOD *ameth,
1712     int (*get_pub_key)(const EVP_PKEY *pk,
1713         unsigned char *pub,
1714         size_t *len));
1715 
1716 void EVP_PKEY_asn1_set_security_bits(EVP_PKEY_ASN1_METHOD *ameth,
1717     int (*pkey_security_bits)(const EVP_PKEY
1718             *pk));
1719 
1720 int EVP_PKEY_CTX_get_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD **md);
1721 int EVP_PKEY_CTX_set_signature_md(EVP_PKEY_CTX *ctx, const EVP_MD *md);
1722 
1723 int EVP_PKEY_CTX_set1_id(EVP_PKEY_CTX *ctx, const void *id, int len);
1724 int EVP_PKEY_CTX_get1_id(EVP_PKEY_CTX *ctx, void *id);
1725 int EVP_PKEY_CTX_get1_id_len(EVP_PKEY_CTX *ctx, size_t *id_len);
1726 
1727 int EVP_PKEY_CTX_set_kem_op(EVP_PKEY_CTX *ctx, const char *op);
1728 
1729 const char *EVP_PKEY_get0_type_name(const EVP_PKEY *key);
1730 
1731 #define EVP_PKEY_OP_UNDEFINED 0
1732 #define EVP_PKEY_OP_PARAMGEN (1 << 1)
1733 #define EVP_PKEY_OP_KEYGEN (1 << 2)
1734 #define EVP_PKEY_OP_FROMDATA (1 << 3)
1735 #define EVP_PKEY_OP_SIGN (1 << 4)
1736 #define EVP_PKEY_OP_VERIFY (1 << 5)
1737 #define EVP_PKEY_OP_VERIFYRECOVER (1 << 6)
1738 #define EVP_PKEY_OP_SIGNCTX (1 << 7)
1739 #define EVP_PKEY_OP_VERIFYCTX (1 << 8)
1740 #define EVP_PKEY_OP_ENCRYPT (1 << 9)
1741 #define EVP_PKEY_OP_DECRYPT (1 << 10)
1742 #define EVP_PKEY_OP_DERIVE (1 << 11)
1743 #define EVP_PKEY_OP_ENCAPSULATE (1 << 12)
1744 #define EVP_PKEY_OP_DECAPSULATE (1 << 13)
1745 #define EVP_PKEY_OP_SIGNMSG (1 << 14)
1746 #define EVP_PKEY_OP_VERIFYMSG (1 << 15)
1747 /* Update the following when adding new EVP_PKEY_OPs */
1748 #define EVP_PKEY_OP_ALL ((1 << 16) - 1)
1749 
1750 #define EVP_PKEY_OP_TYPE_SIG                         \
1751     (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_SIGNMSG          \
1752         | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYMSG \
1753         | EVP_PKEY_OP_VERIFYRECOVER                  \
1754         | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1755 
1756 #define EVP_PKEY_OP_TYPE_CRYPT \
1757     (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1758 
1759 #define EVP_PKEY_OP_TYPE_DERIVE \
1760     (EVP_PKEY_OP_DERIVE)
1761 
1762 #define EVP_PKEY_OP_TYPE_DATA \
1763     (EVP_PKEY_OP_FROMDATA)
1764 
1765 #define EVP_PKEY_OP_TYPE_KEM \
1766     (EVP_PKEY_OP_ENCAPSULATE | EVP_PKEY_OP_DECAPSULATE)
1767 
1768 #define EVP_PKEY_OP_TYPE_GEN \
1769     (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1770 
1771 #define EVP_PKEY_OP_TYPE_NOGEN \
1772     (EVP_PKEY_OP_ALL & ~EVP_PKEY_OP_TYPE_GEN)
1773 
1774 int EVP_PKEY_CTX_set_mac_key(EVP_PKEY_CTX *ctx, const unsigned char *key,
1775     int keylen);
1776 
1777 #define EVP_PKEY_CTRL_MD 1
1778 #define EVP_PKEY_CTRL_PEER_KEY 2
1779 #define EVP_PKEY_CTRL_SET_MAC_KEY 6
1780 #define EVP_PKEY_CTRL_DIGESTINIT 7
1781 /* Used by GOST key encryption in TLS */
1782 #define EVP_PKEY_CTRL_SET_IV 8
1783 #ifndef OPENSSL_NO_DEPRECATED_3_0
1784 #define EVP_PKEY_CTRL_PKCS7_ENCRYPT 3
1785 #define EVP_PKEY_CTRL_PKCS7_DECRYPT 4
1786 #define EVP_PKEY_CTRL_PKCS7_SIGN 5
1787 #define EVP_PKEY_CTRL_CMS_ENCRYPT 9
1788 #define EVP_PKEY_CTRL_CMS_DECRYPT 10
1789 #define EVP_PKEY_CTRL_CMS_SIGN 11
1790 #endif
1791 #define EVP_PKEY_CTRL_CIPHER 12
1792 #define EVP_PKEY_CTRL_GET_MD 13
1793 #define EVP_PKEY_CTRL_SET_DIGEST_SIZE 14
1794 #define EVP_PKEY_CTRL_SET1_ID 15
1795 #define EVP_PKEY_CTRL_GET1_ID 16
1796 #define EVP_PKEY_CTRL_GET1_ID_LEN 17
1797 
1798 #define EVP_PKEY_ALG_CTRL 0x1000
1799 
1800 #define EVP_PKEY_FLAG_AUTOARGLEN 2
1801 /*
1802  * Method handles all operations: don't assume any digest related defaults.
1803  */
1804 #define EVP_PKEY_FLAG_SIGCTX_CUSTOM 4
1805 #ifndef OPENSSL_NO_DEPRECATED_3_0
1806 OSSL_DEPRECATEDIN_3_0 const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1807 OSSL_DEPRECATEDIN_3_0 EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1808 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1809     const EVP_PKEY_METHOD *meth);
1810 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst,
1811     const EVP_PKEY_METHOD *src);
1812 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1813 OSSL_DEPRECATEDIN_3_0 int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1814 OSSL_DEPRECATEDIN_3_0 int EVP_PKEY_meth_remove(const EVP_PKEY_METHOD *pmeth);
1815 OSSL_DEPRECATEDIN_3_0 size_t EVP_PKEY_meth_get_count(void);
1816 OSSL_DEPRECATEDIN_3_0 const EVP_PKEY_METHOD *EVP_PKEY_meth_get0(size_t idx);
1817 #endif
1818 
1819 EVP_KEYMGMT *EVP_KEYMGMT_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
1820     const char *properties);
1821 int EVP_KEYMGMT_up_ref(EVP_KEYMGMT *keymgmt);
1822 void EVP_KEYMGMT_free(EVP_KEYMGMT *keymgmt);
1823 const OSSL_PROVIDER *EVP_KEYMGMT_get0_provider(const EVP_KEYMGMT *keymgmt);
1824 const char *EVP_KEYMGMT_get0_name(const EVP_KEYMGMT *keymgmt);
1825 const char *EVP_KEYMGMT_get0_description(const EVP_KEYMGMT *keymgmt);
1826 int EVP_KEYMGMT_is_a(const EVP_KEYMGMT *keymgmt, const char *name);
1827 void EVP_KEYMGMT_do_all_provided(OSSL_LIB_CTX *libctx,
1828     void (*fn)(EVP_KEYMGMT *keymgmt, void *arg),
1829     void *arg);
1830 int EVP_KEYMGMT_names_do_all(const EVP_KEYMGMT *keymgmt,
1831     void (*fn)(const char *name, void *data),
1832     void *data);
1833 const OSSL_PARAM *EVP_KEYMGMT_gettable_params(const EVP_KEYMGMT *keymgmt);
1834 const OSSL_PARAM *EVP_KEYMGMT_settable_params(const EVP_KEYMGMT *keymgmt);
1835 const OSSL_PARAM *EVP_KEYMGMT_gen_settable_params(const EVP_KEYMGMT *keymgmt);
1836 const OSSL_PARAM *EVP_KEYMGMT_gen_gettable_params(const EVP_KEYMGMT *keymgmt);
1837 
1838 EVP_SKEYMGMT *EVP_SKEYMGMT_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
1839     const char *properties);
1840 int EVP_SKEYMGMT_up_ref(EVP_SKEYMGMT *keymgmt);
1841 void EVP_SKEYMGMT_free(EVP_SKEYMGMT *keymgmt);
1842 const OSSL_PROVIDER *EVP_SKEYMGMT_get0_provider(const EVP_SKEYMGMT *keymgmt);
1843 const char *EVP_SKEYMGMT_get0_name(const EVP_SKEYMGMT *keymgmt);
1844 const char *EVP_SKEYMGMT_get0_description(const EVP_SKEYMGMT *keymgmt);
1845 int EVP_SKEYMGMT_is_a(const EVP_SKEYMGMT *keymgmt, const char *name);
1846 void EVP_SKEYMGMT_do_all_provided(OSSL_LIB_CTX *libctx,
1847     void (*fn)(EVP_SKEYMGMT *keymgmt, void *arg),
1848     void *arg);
1849 int EVP_SKEYMGMT_names_do_all(const EVP_SKEYMGMT *keymgmt,
1850     void (*fn)(const char *name, void *data),
1851     void *data);
1852 const OSSL_PARAM *EVP_SKEYMGMT_get0_gen_settable_params(const EVP_SKEYMGMT *skeymgmt);
1853 const OSSL_PARAM *EVP_SKEYMGMT_get0_imp_settable_params(const EVP_SKEYMGMT *skeymgmt);
1854 
1855 EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1856 EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1857 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_name(OSSL_LIB_CTX *libctx,
1858     const char *name,
1859     const char *propquery);
1860 EVP_PKEY_CTX *EVP_PKEY_CTX_new_from_pkey(OSSL_LIB_CTX *libctx,
1861     EVP_PKEY *pkey, const char *propquery);
1862 EVP_PKEY_CTX *EVP_PKEY_CTX_dup(const EVP_PKEY_CTX *ctx);
1863 void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1864 int EVP_PKEY_CTX_is_a(EVP_PKEY_CTX *ctx, const char *keytype);
1865 
1866 int EVP_PKEY_CTX_get_params(EVP_PKEY_CTX *ctx, OSSL_PARAM *params);
1867 const OSSL_PARAM *EVP_PKEY_CTX_gettable_params(const EVP_PKEY_CTX *ctx);
1868 int EVP_PKEY_CTX_set_params(EVP_PKEY_CTX *ctx, const OSSL_PARAM *params);
1869 const OSSL_PARAM *EVP_PKEY_CTX_settable_params(const EVP_PKEY_CTX *ctx);
1870 
1871 int EVP_PKEY_CTX_set_algor_params(EVP_PKEY_CTX *ctx, const X509_ALGOR *alg);
1872 int EVP_PKEY_CTX_get_algor_params(EVP_PKEY_CTX *ctx, X509_ALGOR *alg);
1873 int EVP_PKEY_CTX_get_algor(EVP_PKEY_CTX *ctx, X509_ALGOR **alg);
1874 
1875 int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1876     int cmd, int p1, void *p2);
1877 int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1878     const char *value);
1879 int EVP_PKEY_CTX_ctrl_uint64(EVP_PKEY_CTX *ctx, int keytype, int optype,
1880     int cmd, uint64_t value);
1881 
1882 int EVP_PKEY_CTX_str2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *str);
1883 int EVP_PKEY_CTX_hex2ctrl(EVP_PKEY_CTX *ctx, int cmd, const char *hex);
1884 
1885 int EVP_PKEY_CTX_md(EVP_PKEY_CTX *ctx, int optype, int cmd, const char *md);
1886 
1887 int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1888 void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1889 
1890 EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1891     const unsigned char *key, int keylen);
1892 EVP_PKEY *EVP_PKEY_new_raw_private_key_ex(OSSL_LIB_CTX *libctx,
1893     const char *keytype,
1894     const char *propq,
1895     const unsigned char *priv, size_t len);
1896 EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e,
1897     const unsigned char *priv,
1898     size_t len);
1899 EVP_PKEY *EVP_PKEY_new_raw_public_key_ex(OSSL_LIB_CTX *libctx,
1900     const char *keytype, const char *propq,
1901     const unsigned char *pub, size_t len);
1902 EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e,
1903     const unsigned char *pub,
1904     size_t len);
1905 int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv,
1906     size_t *len);
1907 int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub,
1908     size_t *len);
1909 
1910 #ifndef OPENSSL_NO_DEPRECATED_3_0
1911 OSSL_DEPRECATEDIN_3_0
1912 EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
1913     size_t len, const EVP_CIPHER *cipher);
1914 #endif
1915 
1916 void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1917 void *EVP_PKEY_CTX_get_data(const EVP_PKEY_CTX *ctx);
1918 EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1919 
1920 EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1921 
1922 void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1923 void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1924 
1925 int EVP_PKEY_CTX_set_signature(EVP_PKEY_CTX *pctx,
1926     const unsigned char *sig, size_t siglen);
1927 
1928 void EVP_SIGNATURE_free(EVP_SIGNATURE *signature);
1929 int EVP_SIGNATURE_up_ref(EVP_SIGNATURE *signature);
1930 OSSL_PROVIDER *EVP_SIGNATURE_get0_provider(const EVP_SIGNATURE *signature);
1931 EVP_SIGNATURE *EVP_SIGNATURE_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
1932     const char *properties);
1933 int EVP_SIGNATURE_is_a(const EVP_SIGNATURE *signature, const char *name);
1934 const char *EVP_SIGNATURE_get0_name(const EVP_SIGNATURE *signature);
1935 const char *EVP_SIGNATURE_get0_description(const EVP_SIGNATURE *signature);
1936 void EVP_SIGNATURE_do_all_provided(OSSL_LIB_CTX *libctx,
1937     void (*fn)(EVP_SIGNATURE *signature,
1938         void *data),
1939     void *data);
1940 int EVP_SIGNATURE_names_do_all(const EVP_SIGNATURE *signature,
1941     void (*fn)(const char *name, void *data),
1942     void *data);
1943 const OSSL_PARAM *EVP_SIGNATURE_gettable_ctx_params(const EVP_SIGNATURE *sig);
1944 const OSSL_PARAM *EVP_SIGNATURE_settable_ctx_params(const EVP_SIGNATURE *sig);
1945 
1946 void EVP_ASYM_CIPHER_free(EVP_ASYM_CIPHER *cipher);
1947 int EVP_ASYM_CIPHER_up_ref(EVP_ASYM_CIPHER *cipher);
1948 OSSL_PROVIDER *EVP_ASYM_CIPHER_get0_provider(const EVP_ASYM_CIPHER *cipher);
1949 EVP_ASYM_CIPHER *EVP_ASYM_CIPHER_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
1950     const char *properties);
1951 int EVP_ASYM_CIPHER_is_a(const EVP_ASYM_CIPHER *cipher, const char *name);
1952 const char *EVP_ASYM_CIPHER_get0_name(const EVP_ASYM_CIPHER *cipher);
1953 const char *EVP_ASYM_CIPHER_get0_description(const EVP_ASYM_CIPHER *cipher);
1954 void EVP_ASYM_CIPHER_do_all_provided(OSSL_LIB_CTX *libctx,
1955     void (*fn)(EVP_ASYM_CIPHER *cipher,
1956         void *arg),
1957     void *arg);
1958 int EVP_ASYM_CIPHER_names_do_all(const EVP_ASYM_CIPHER *cipher,
1959     void (*fn)(const char *name, void *data),
1960     void *data);
1961 const OSSL_PARAM *EVP_ASYM_CIPHER_gettable_ctx_params(const EVP_ASYM_CIPHER *ciph);
1962 const OSSL_PARAM *EVP_ASYM_CIPHER_settable_ctx_params(const EVP_ASYM_CIPHER *ciph);
1963 
1964 void EVP_KEM_free(EVP_KEM *wrap);
1965 int EVP_KEM_up_ref(EVP_KEM *wrap);
1966 OSSL_PROVIDER *EVP_KEM_get0_provider(const EVP_KEM *wrap);
1967 EVP_KEM *EVP_KEM_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
1968     const char *properties);
1969 int EVP_KEM_is_a(const EVP_KEM *wrap, const char *name);
1970 const char *EVP_KEM_get0_name(const EVP_KEM *wrap);
1971 const char *EVP_KEM_get0_description(const EVP_KEM *wrap);
1972 void EVP_KEM_do_all_provided(OSSL_LIB_CTX *libctx,
1973     void (*fn)(EVP_KEM *wrap, void *arg), void *arg);
1974 int EVP_KEM_names_do_all(const EVP_KEM *wrap,
1975     void (*fn)(const char *name, void *data), void *data);
1976 const OSSL_PARAM *EVP_KEM_gettable_ctx_params(const EVP_KEM *kem);
1977 const OSSL_PARAM *EVP_KEM_settable_ctx_params(const EVP_KEM *kem);
1978 
1979 int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1980 int EVP_PKEY_sign_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]);
1981 int EVP_PKEY_sign_init_ex2(EVP_PKEY_CTX *ctx,
1982     EVP_SIGNATURE *algo, const OSSL_PARAM params[]);
1983 int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1984     unsigned char *sig, size_t *siglen,
1985     const unsigned char *tbs, size_t tbslen);
1986 int EVP_PKEY_sign_message_init(EVP_PKEY_CTX *ctx,
1987     EVP_SIGNATURE *algo, const OSSL_PARAM params[]);
1988 int EVP_PKEY_sign_message_update(EVP_PKEY_CTX *ctx,
1989     const unsigned char *in, size_t inlen);
1990 int EVP_PKEY_sign_message_final(EVP_PKEY_CTX *ctx,
1991     unsigned char *sig, size_t *siglen);
1992 int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1993 int EVP_PKEY_verify_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]);
1994 int EVP_PKEY_verify_init_ex2(EVP_PKEY_CTX *ctx,
1995     EVP_SIGNATURE *algo, const OSSL_PARAM params[]);
1996 int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1997     const unsigned char *sig, size_t siglen,
1998     const unsigned char *tbs, size_t tbslen);
1999 int EVP_PKEY_verify_message_init(EVP_PKEY_CTX *ctx,
2000     EVP_SIGNATURE *algo, const OSSL_PARAM params[]);
2001 int EVP_PKEY_verify_message_update(EVP_PKEY_CTX *ctx,
2002     const unsigned char *in, size_t inlen);
2003 int EVP_PKEY_verify_message_final(EVP_PKEY_CTX *ctx);
2004 int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
2005 int EVP_PKEY_verify_recover_init_ex(EVP_PKEY_CTX *ctx,
2006     const OSSL_PARAM params[]);
2007 int EVP_PKEY_verify_recover_init_ex2(EVP_PKEY_CTX *ctx,
2008     EVP_SIGNATURE *algo,
2009     const OSSL_PARAM params[]);
2010 int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
2011     unsigned char *rout, size_t *routlen,
2012     const unsigned char *sig, size_t siglen);
2013 int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
2014 int EVP_PKEY_encrypt_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]);
2015 int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
2016     unsigned char *out, size_t *outlen,
2017     const unsigned char *in, size_t inlen);
2018 int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
2019 int EVP_PKEY_decrypt_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]);
2020 int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
2021     unsigned char *out, size_t *outlen,
2022     const unsigned char *in, size_t inlen);
2023 
2024 int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
2025 int EVP_PKEY_derive_init_ex(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]);
2026 int EVP_PKEY_derive_set_peer_ex(EVP_PKEY_CTX *ctx, EVP_PKEY *peer,
2027     int validate_peer);
2028 int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
2029 int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
2030 
2031 int EVP_PKEY_encapsulate_init(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]);
2032 int EVP_PKEY_auth_encapsulate_init(EVP_PKEY_CTX *ctx, EVP_PKEY *authpriv,
2033     const OSSL_PARAM params[]);
2034 int EVP_PKEY_encapsulate(EVP_PKEY_CTX *ctx,
2035     unsigned char *wrappedkey, size_t *wrappedkeylen,
2036     unsigned char *genkey, size_t *genkeylen);
2037 int EVP_PKEY_decapsulate_init(EVP_PKEY_CTX *ctx, const OSSL_PARAM params[]);
2038 int EVP_PKEY_auth_decapsulate_init(EVP_PKEY_CTX *ctx, EVP_PKEY *authpub,
2039     const OSSL_PARAM params[]);
2040 int EVP_PKEY_decapsulate(EVP_PKEY_CTX *ctx,
2041     unsigned char *unwrapped, size_t *unwrappedlen,
2042     const unsigned char *wrapped, size_t wrappedlen);
2043 typedef int EVP_PKEY_gen_cb(EVP_PKEY_CTX *ctx);
2044 
2045 int EVP_PKEY_fromdata_init(EVP_PKEY_CTX *ctx);
2046 int EVP_PKEY_fromdata(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey, int selection,
2047     OSSL_PARAM param[]);
2048 const OSSL_PARAM *EVP_PKEY_fromdata_settable(EVP_PKEY_CTX *ctx, int selection);
2049 
2050 int EVP_PKEY_todata(const EVP_PKEY *pkey, int selection, OSSL_PARAM **params);
2051 int EVP_PKEY_export(const EVP_PKEY *pkey, int selection,
2052     OSSL_CALLBACK *export_cb, void *export_cbarg);
2053 
2054 const OSSL_PARAM *EVP_PKEY_gettable_params(const EVP_PKEY *pkey);
2055 int EVP_PKEY_get_params(const EVP_PKEY *pkey, OSSL_PARAM params[]);
2056 int EVP_PKEY_get_int_param(const EVP_PKEY *pkey, const char *key_name,
2057     int *out);
2058 int EVP_PKEY_get_size_t_param(const EVP_PKEY *pkey, const char *key_name,
2059     size_t *out);
2060 int EVP_PKEY_get_bn_param(const EVP_PKEY *pkey, const char *key_name,
2061     BIGNUM **bn);
2062 int EVP_PKEY_get_utf8_string_param(const EVP_PKEY *pkey, const char *key_name,
2063     char *str, size_t max_buf_sz, size_t *out_sz);
2064 int EVP_PKEY_get_octet_string_param(const EVP_PKEY *pkey, const char *key_name,
2065     unsigned char *buf, size_t max_buf_sz,
2066     size_t *out_sz);
2067 
2068 const OSSL_PARAM *EVP_PKEY_settable_params(const EVP_PKEY *pkey);
2069 int EVP_PKEY_set_params(EVP_PKEY *pkey, OSSL_PARAM params[]);
2070 int EVP_PKEY_set_int_param(EVP_PKEY *pkey, const char *key_name, int in);
2071 int EVP_PKEY_set_size_t_param(EVP_PKEY *pkey, const char *key_name, size_t in);
2072 int EVP_PKEY_set_bn_param(EVP_PKEY *pkey, const char *key_name,
2073     const BIGNUM *bn);
2074 int EVP_PKEY_set_utf8_string_param(EVP_PKEY *pkey, const char *key_name,
2075     const char *str);
2076 int EVP_PKEY_set_octet_string_param(EVP_PKEY *pkey, const char *key_name,
2077     const unsigned char *buf, size_t bsize);
2078 
2079 int EVP_PKEY_get_ec_point_conv_form(const EVP_PKEY *pkey);
2080 int EVP_PKEY_get_field_type(const EVP_PKEY *pkey);
2081 
2082 EVP_PKEY *EVP_PKEY_Q_keygen(OSSL_LIB_CTX *libctx, const char *propq,
2083     const char *type, ...);
2084 int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
2085 int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
2086 int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
2087 int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
2088 int EVP_PKEY_generate(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
2089 int EVP_PKEY_check(EVP_PKEY_CTX *ctx);
2090 int EVP_PKEY_public_check(EVP_PKEY_CTX *ctx);
2091 int EVP_PKEY_public_check_quick(EVP_PKEY_CTX *ctx);
2092 int EVP_PKEY_param_check(EVP_PKEY_CTX *ctx);
2093 int EVP_PKEY_param_check_quick(EVP_PKEY_CTX *ctx);
2094 int EVP_PKEY_private_check(EVP_PKEY_CTX *ctx);
2095 int EVP_PKEY_pairwise_check(EVP_PKEY_CTX *ctx);
2096 
2097 #define EVP_PKEY_get_ex_new_index(l, p, newf, dupf, freef) \
2098     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_EVP_PKEY, l, p, newf, dupf, freef)
2099 int EVP_PKEY_set_ex_data(EVP_PKEY *key, int idx, void *arg);
2100 void *EVP_PKEY_get_ex_data(const EVP_PKEY *key, int idx);
2101 
2102 void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
2103 EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
2104 
2105 int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
2106 #ifndef OPENSSL_NO_DEPRECATED_3_0
2107 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
2108     int (*init)(EVP_PKEY_CTX *ctx));
2109 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth, int (*copy)(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src));
2110 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth, void (*cleanup)(EVP_PKEY_CTX *ctx));
2111 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth, int (*paramgen_init)(EVP_PKEY_CTX *ctx),
2112     int (*paramgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
2113 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth, int (*keygen_init)(EVP_PKEY_CTX *ctx),
2114     int (*keygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
2115 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth, int (*sign_init)(EVP_PKEY_CTX *ctx),
2116     int (*sign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
2117         const unsigned char *tbs, size_t tbslen));
2118 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth, int (*verify_init)(EVP_PKEY_CTX *ctx),
2119     int (*verify)(EVP_PKEY_CTX *ctx, const unsigned char *sig, size_t siglen,
2120         const unsigned char *tbs, size_t tbslen));
2121 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth, int (*verify_recover_init)(EVP_PKEY_CTX *ctx),
2122     int (*verify_recover)(EVP_PKEY_CTX *ctx, unsigned char *sig,
2123         size_t *siglen, const unsigned char *tbs,
2124         size_t tbslen));
2125 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth, int (*signctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
2126     int (*signctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
2127         EVP_MD_CTX *mctx));
2128 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth, int (*verifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
2129     int (*verifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig, int siglen,
2130         EVP_MD_CTX *mctx));
2131 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth, int (*encrypt_init)(EVP_PKEY_CTX *ctx),
2132     int (*encryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
2133         const unsigned char *in, size_t inlen));
2134 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth, int (*decrypt_init)(EVP_PKEY_CTX *ctx),
2135     int (*decrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
2136         const unsigned char *in, size_t inlen));
2137 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth, int (*derive_init)(EVP_PKEY_CTX *ctx),
2138     int (*derive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen));
2139 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth, int (*ctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
2140     int (*ctrl_str)(EVP_PKEY_CTX *ctx, const char *type, const char *value));
2141 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_digestsign(EVP_PKEY_METHOD *pmeth,
2142     int (*digestsign)(EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
2143         const unsigned char *tbs, size_t tbslen));
2144 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_digestverify(EVP_PKEY_METHOD *pmeth,
2145     int (*digestverify)(EVP_MD_CTX *ctx, const unsigned char *sig,
2146         size_t siglen, const unsigned char *tbs,
2147         size_t tbslen));
2148 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_check(EVP_PKEY_METHOD *pmeth, int (*check)(EVP_PKEY *pkey));
2149 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_public_check(EVP_PKEY_METHOD *pmeth, int (*check)(EVP_PKEY *pkey));
2150 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_param_check(EVP_PKEY_METHOD *pmeth, int (*check)(EVP_PKEY *pkey));
2151 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_set_digest_custom(EVP_PKEY_METHOD *pmeth, int (*digest_custom)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx));
2152 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_init(const EVP_PKEY_METHOD *pmeth, int (**pinit)(EVP_PKEY_CTX *ctx));
2153 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_copy(const EVP_PKEY_METHOD *pmeth, int (**pcopy)(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src));
2154 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_cleanup(const EVP_PKEY_METHOD *pmeth, void (**pcleanup)(EVP_PKEY_CTX *ctx));
2155 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_paramgen(const EVP_PKEY_METHOD *pmeth, int (**pparamgen_init)(EVP_PKEY_CTX *ctx),
2156     int (**pparamgen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
2157 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_keygen(const EVP_PKEY_METHOD *pmeth, int (**pkeygen_init)(EVP_PKEY_CTX *ctx),
2158     int (**pkeygen)(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey));
2159 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_sign(const EVP_PKEY_METHOD *pmeth, int (**psign_init)(EVP_PKEY_CTX *ctx),
2160     int (**psign)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
2161         const unsigned char *tbs, size_t tbslen));
2162 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_verify(const EVP_PKEY_METHOD *pmeth, int (**pverify_init)(EVP_PKEY_CTX *ctx),
2163     int (**pverify)(EVP_PKEY_CTX *ctx, const unsigned char *sig,
2164         size_t siglen, const unsigned char *tbs, size_t tbslen));
2165 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_verify_recover(const EVP_PKEY_METHOD *pmeth,
2166     int (**pverify_recover_init)(EVP_PKEY_CTX *ctx),
2167     int (**pverify_recover)(EVP_PKEY_CTX *ctx, unsigned char *sig,
2168         size_t *siglen, const unsigned char *tbs,
2169         size_t tbslen));
2170 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_signctx(const EVP_PKEY_METHOD *pmeth,
2171     int (**psignctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
2172     int (**psignctx)(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
2173         EVP_MD_CTX *mctx));
2174 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_verifyctx(const EVP_PKEY_METHOD *pmeth,
2175     int (**pverifyctx_init)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx),
2176     int (**pverifyctx)(EVP_PKEY_CTX *ctx, const unsigned char *sig,
2177         int siglen, EVP_MD_CTX *mctx));
2178 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_encrypt(const EVP_PKEY_METHOD *pmeth, int (**pencrypt_init)(EVP_PKEY_CTX *ctx),
2179     int (**pencryptfn)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
2180         const unsigned char *in, size_t inlen));
2181 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_decrypt(const EVP_PKEY_METHOD *pmeth, int (**pdecrypt_init)(EVP_PKEY_CTX *ctx),
2182     int (**pdecrypt)(EVP_PKEY_CTX *ctx, unsigned char *out, size_t *outlen,
2183         const unsigned char *in, size_t inlen));
2184 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_derive(const EVP_PKEY_METHOD *pmeth, int (**pderive_init)(EVP_PKEY_CTX *ctx),
2185     int (**pderive)(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen));
2186 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_ctrl(const EVP_PKEY_METHOD *pmeth,
2187     int (**pctrl)(EVP_PKEY_CTX *ctx, int type, int p1, void *p2),
2188     int (**pctrl_str)(EVP_PKEY_CTX *ctx, const char *type,
2189         const char *value));
2190 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_digestsign(const EVP_PKEY_METHOD *pmeth,
2191     int (**digestsign)(EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen,
2192         const unsigned char *tbs, size_t tbslen));
2193 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_digestverify(const EVP_PKEY_METHOD *pmeth,
2194     int (**digestverify)(EVP_MD_CTX *ctx, const unsigned char *sig,
2195         size_t siglen, const unsigned char *tbs,
2196         size_t tbslen));
2197 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_check(const EVP_PKEY_METHOD *pmeth, int (**pcheck)(EVP_PKEY *pkey));
2198 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_public_check(const EVP_PKEY_METHOD *pmeth, int (**pcheck)(EVP_PKEY *pkey));
2199 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_param_check(const EVP_PKEY_METHOD *pmeth, int (**pcheck)(EVP_PKEY *pkey));
2200 OSSL_DEPRECATEDIN_3_0 void EVP_PKEY_meth_get_digest_custom(const EVP_PKEY_METHOD *pmeth,
2201     int (**pdigest_custom)(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx));
2202 #endif
2203 
2204 void EVP_KEYEXCH_free(EVP_KEYEXCH *exchange);
2205 int EVP_KEYEXCH_up_ref(EVP_KEYEXCH *exchange);
2206 EVP_KEYEXCH *EVP_KEYEXCH_fetch(OSSL_LIB_CTX *ctx, const char *algorithm,
2207     const char *properties);
2208 OSSL_PROVIDER *EVP_KEYEXCH_get0_provider(const EVP_KEYEXCH *exchange);
2209 int EVP_KEYEXCH_is_a(const EVP_KEYEXCH *keyexch, const char *name);
2210 const char *EVP_KEYEXCH_get0_name(const EVP_KEYEXCH *keyexch);
2211 const char *EVP_KEYEXCH_get0_description(const EVP_KEYEXCH *keyexch);
2212 void EVP_KEYEXCH_do_all_provided(OSSL_LIB_CTX *libctx,
2213     void (*fn)(EVP_KEYEXCH *keyexch, void *data),
2214     void *data);
2215 int EVP_KEYEXCH_names_do_all(const EVP_KEYEXCH *keyexch,
2216     void (*fn)(const char *name, void *data),
2217     void *data);
2218 const OSSL_PARAM *EVP_KEYEXCH_gettable_ctx_params(const EVP_KEYEXCH *keyexch);
2219 const OSSL_PARAM *EVP_KEYEXCH_settable_ctx_params(const EVP_KEYEXCH *keyexch);
2220 
2221 void EVP_add_alg_module(void);
2222 
2223 int EVP_PKEY_CTX_set_group_name(EVP_PKEY_CTX *ctx, const char *name);
2224 int EVP_PKEY_CTX_get_group_name(EVP_PKEY_CTX *ctx, char *name, size_t namelen);
2225 int EVP_PKEY_get_group_name(const EVP_PKEY *pkey, char *name, size_t name_sz,
2226     size_t *gname_len);
2227 
2228 OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx);
2229 const char *EVP_PKEY_CTX_get0_propq(const EVP_PKEY_CTX *ctx);
2230 const OSSL_PROVIDER *EVP_PKEY_CTX_get0_provider(const EVP_PKEY_CTX *ctx);
2231 
2232 int EVP_SKEY_is_a(const EVP_SKEY *skey, const char *name);
2233 EVP_SKEY *EVP_SKEY_import(OSSL_LIB_CTX *libctx, const char *skeymgmtname, const char *propquery,
2234     int selection, const OSSL_PARAM *params);
2235 EVP_SKEY *EVP_SKEY_generate(OSSL_LIB_CTX *libctx, const char *skeymgmtname,
2236     const char *propquery, const OSSL_PARAM *params);
2237 EVP_SKEY *EVP_SKEY_import_raw_key(OSSL_LIB_CTX *libctx, const char *skeymgmtname,
2238     unsigned char *key, size_t keylen,
2239     const char *propquery);
2240 int EVP_SKEY_get0_raw_key(const EVP_SKEY *skey, const unsigned char **key,
2241     size_t *len);
2242 const char *EVP_SKEY_get0_key_id(const EVP_SKEY *skey);
2243 int EVP_SKEY_export(const EVP_SKEY *skey, int selection,
2244     OSSL_CALLBACK *export_cb, void *export_cbarg);
2245 int EVP_SKEY_up_ref(EVP_SKEY *skey);
2246 void EVP_SKEY_free(EVP_SKEY *skey);
2247 const char *EVP_SKEY_get0_skeymgmt_name(const EVP_SKEY *skey);
2248 const char *EVP_SKEY_get0_provider_name(const EVP_SKEY *skey);
2249 EVP_SKEY *EVP_SKEY_to_provider(EVP_SKEY *skey, OSSL_LIB_CTX *libctx,
2250     OSSL_PROVIDER *prov, const char *propquery);
2251 
2252 #ifdef __cplusplus
2253 }
2254 #endif
2255 #endif
2256