1 /*
2 * Copyright 2019-2025 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 #include <assert.h>
11 #include <string.h>
12 #include <openssl/core_dispatch.h>
13 #include <openssl/core_names.h>
14 /* For TLS1_VERSION etc */
15 #include <openssl/prov_ssl.h>
16 #include <openssl/params.h>
17 #include "internal/nelem.h"
18 #include "internal/tlsgroups.h"
19 #include "prov/providercommon.h"
20 #include "internal/e_os.h"
21 #include "crypto/ml_kem.h"
22
23 /*
24 * If none of EC, DH OR ML-KEM are available then we have no TLS-GROUP
25 * capabilities.
26 */
27 #if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) || \
28 !defined(OPENSSL_NO_ML_KEM)
29 typedef struct tls_group_constants_st {
30 unsigned int group_id; /* Group ID */
31 unsigned int secbits; /* Bits of security */
32 int mintls; /* Minimum TLS version, -1 unsupported */
33 int maxtls; /* Maximum TLS version (or 0 for undefined) */
34 int mindtls; /* Minimum DTLS version, -1 unsupported */
35 int maxdtls; /* Maximum DTLS version (or 0 for undefined) */
36 int is_kem; /* Indicates utility as KEM */
37 } TLS_GROUP_CONSTANTS;
38
39 /*
40 * The indices of entries in this table must be independent of which TLS groups
41 * we do or not support. It just lists basic facts about the groups, and is
42 * used by (numeric slot number) reference in the "param_group_list" below.
43 * Therefore, there must be no #ifdefs in this table, the index of each entry
44 * must be independent of compile-time options.
45 *
46 * For the FFDHE groups, the security bit values are as given by
47 * BN_security_bits(). For the ML-KEM hybrids these are the ML-KEM security
48 * bits.
49 */
50 static const TLS_GROUP_CONSTANTS group_list[] = {
51 /* 0 */ { OSSL_TLS_GROUP_ID_sect163k1, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
52 /* 1 */ { OSSL_TLS_GROUP_ID_sect163r1, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
53 /* 2 */ { OSSL_TLS_GROUP_ID_sect163r2, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
54 /* 3 */ { OSSL_TLS_GROUP_ID_sect193r1, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
55 /* 4 */ { OSSL_TLS_GROUP_ID_sect193r2, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
56 /* 5 */ { OSSL_TLS_GROUP_ID_sect233k1, 112, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
57 /* 6 */ { OSSL_TLS_GROUP_ID_sect233r1, 112, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
58 /* 7 */ { OSSL_TLS_GROUP_ID_sect239k1, 112, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
59 /* 8 */ { OSSL_TLS_GROUP_ID_sect283k1, 128, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
60 /* 9 */ { OSSL_TLS_GROUP_ID_sect283r1, 128, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
61 /* 10 */ { OSSL_TLS_GROUP_ID_sect409k1, 192, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
62 /* 11 */ { OSSL_TLS_GROUP_ID_sect409r1, 192, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
63 /* 12 */ { OSSL_TLS_GROUP_ID_sect571k1, 256, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
64 /* 13 */ { OSSL_TLS_GROUP_ID_sect571r1, 256, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
65 /* 14 */ { OSSL_TLS_GROUP_ID_secp160k1, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
66 /* 15 */ { OSSL_TLS_GROUP_ID_secp160r1, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
67 /* 16 */ { OSSL_TLS_GROUP_ID_secp160r2, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
68 /* 17 */ { OSSL_TLS_GROUP_ID_secp192k1, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
69 /* 18 */ { OSSL_TLS_GROUP_ID_secp192r1, 80, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
70 /* 19 */ { OSSL_TLS_GROUP_ID_secp224k1, 112, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
71 /* 20 */ { OSSL_TLS_GROUP_ID_secp224r1, 112, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
72 /* 21 */ { OSSL_TLS_GROUP_ID_secp256k1, 128, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
73 /* 22 */ { OSSL_TLS_GROUP_ID_secp256r1, 128, TLS1_VERSION, 0, DTLS1_VERSION, 0, 0 },
74 /* 23 */ { OSSL_TLS_GROUP_ID_secp384r1, 192, TLS1_VERSION, 0, DTLS1_VERSION, 0, 0 },
75 /* 24 */ { OSSL_TLS_GROUP_ID_secp521r1, 256, TLS1_VERSION, 0, DTLS1_VERSION, 0, 0 },
76 /* 25 */ { OSSL_TLS_GROUP_ID_brainpoolP256r1, 128, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
77 /* 26 */ { OSSL_TLS_GROUP_ID_brainpoolP384r1, 192, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
78 /* 27 */ { OSSL_TLS_GROUP_ID_brainpoolP512r1, 256, TLS1_VERSION, TLS1_2_VERSION, DTLS1_VERSION, DTLS1_2_VERSION, 0 },
79 /* 28 */ { OSSL_TLS_GROUP_ID_x25519, 128, TLS1_VERSION, 0, DTLS1_VERSION, 0, 0 },
80 /* 29 */ { OSSL_TLS_GROUP_ID_x448, 224, TLS1_VERSION, 0, DTLS1_VERSION, 0, 0 },
81 /* 30 */ { OSSL_TLS_GROUP_ID_brainpoolP256r1_tls13, 128, TLS1_3_VERSION, 0, -1, -1, 0 },
82 /* 31 */ { OSSL_TLS_GROUP_ID_brainpoolP384r1_tls13, 192, TLS1_3_VERSION, 0, -1, -1, 0 },
83 /* 32 */ { OSSL_TLS_GROUP_ID_brainpoolP512r1_tls13, 256, TLS1_3_VERSION, 0, -1, -1, 0 },
84 /* 33 */ { OSSL_TLS_GROUP_ID_ffdhe2048, 112, TLS1_3_VERSION, 0, -1, -1, 0 },
85 /* 34 */ { OSSL_TLS_GROUP_ID_ffdhe3072, 128, TLS1_3_VERSION, 0, -1, -1, 0 },
86 /* 35 */ { OSSL_TLS_GROUP_ID_ffdhe4096, 128, TLS1_3_VERSION, 0, -1, -1, 0 },
87 /* 36 */ { OSSL_TLS_GROUP_ID_ffdhe6144, 128, TLS1_3_VERSION, 0, -1, -1, 0 },
88 /* 37 */ { OSSL_TLS_GROUP_ID_ffdhe8192, 192, TLS1_3_VERSION, 0, -1, -1, 0 },
89 /* 38 */ { OSSL_TLS_GROUP_ID_mlkem512, ML_KEM_512_SECBITS, TLS1_3_VERSION, 0, -1, -1, 1 },
90 /* 39 */ { OSSL_TLS_GROUP_ID_mlkem768, ML_KEM_768_SECBITS, TLS1_3_VERSION, 0, -1, -1, 1 },
91 /* 40 */ { OSSL_TLS_GROUP_ID_mlkem1024, ML_KEM_1024_SECBITS, TLS1_3_VERSION, 0, -1, -1, 1 },
92 /* 41 */ { OSSL_TLS_GROUP_ID_X25519MLKEM768, ML_KEM_768_SECBITS, TLS1_3_VERSION, 0, -1, -1, 1 },
93 /* 42 */ { OSSL_TLS_GROUP_ID_SecP256r1MLKEM768, ML_KEM_768_SECBITS, TLS1_3_VERSION, 0, -1, -1, 1 },
94 /* 43 */ { OSSL_TLS_GROUP_ID_SecP384r1MLKEM1024, ML_KEM_1024_SECBITS, TLS1_3_VERSION, 0, -1, -1, 1 },
95 };
96
97 #define TLS_GROUP_ENTRY(tlsname, realname, algorithm, idx) \
98 { \
99 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME, \
100 tlsname, \
101 sizeof(tlsname)), \
102 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_NAME_INTERNAL, \
103 realname, \
104 sizeof(realname)), \
105 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_GROUP_ALG, \
106 algorithm, \
107 sizeof(algorithm)), \
108 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_ID, \
109 (unsigned int *)&group_list[idx].group_id), \
110 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_GROUP_SECURITY_BITS, \
111 (unsigned int *)&group_list[idx].secbits), \
112 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_TLS, \
113 (unsigned int *)&group_list[idx].mintls), \
114 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_TLS, \
115 (unsigned int *)&group_list[idx].maxtls), \
116 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MIN_DTLS, \
117 (unsigned int *)&group_list[idx].mindtls), \
118 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_MAX_DTLS, \
119 (unsigned int *)&group_list[idx].maxdtls), \
120 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_GROUP_IS_KEM, \
121 (unsigned int *)&group_list[idx].is_kem), \
122 OSSL_PARAM_END \
123 }
124
125 /*-
126 * - The 4th field of each entry is an index into "group_list" above.
127 *
128 * - The 3rd field is the key management algorithm name.
129
130 * - The 2nd field is the GROUP_NAME used with the provider, needed for
131 * providers that implement a family of related algorithms, but required
132 * non-null even when the provider implements just one.
133 *
134 * - The 1st field is the TLS group name used in SSL_CTX_set_group_list(),
135 * aliases repeat everything but the first field.
136 *
137 * Curves 1..22 were deprecated in:
138 *
139 * https://www.rfc-editor.org/rfc/rfc8422.html
140 *
141 * leaving just:
142 *
143 * enum {
144 * deprecated(1..22),
145 * secp256r1 (23), secp384r1 (24), secp521r1 (25),
146 * x25519(29), x448(30),
147 * reserved (0xFE00..0xFEFF),
148 * deprecated(0xFF01..0xFF02),
149 * (0xFFFF)
150 * } NamedCurve;
151 *
152 * and those added later (FFDHE, brainpool, ML-KEM)
153 */
154 static const OSSL_PARAM param_group_list[][11] = {
155 # ifndef OPENSSL_NO_EC
156 # if !defined(OPENSSL_NO_ML_KEM)
157 # if !defined(OPENSSL_NO_ECX)
158 TLS_GROUP_ENTRY("X25519MLKEM768", "", "X25519MLKEM768", 41),
159 # endif
160 # endif
161 # ifndef FIPS_MODULE
162 TLS_GROUP_ENTRY("x25519", "X25519", "X25519", 28),
163 TLS_GROUP_ENTRY("x448", "X448", "X448", 29),
164 # endif
165 TLS_GROUP_ENTRY("secp256r1", "prime256v1", "EC", 22),
166 TLS_GROUP_ENTRY("P-256", "prime256v1", "EC", 22), /* Alias of above */
167 TLS_GROUP_ENTRY("secp384r1", "secp384r1", "EC", 23),
168 TLS_GROUP_ENTRY("P-384", "secp384r1", "EC", 23), /* Alias of above */
169 TLS_GROUP_ENTRY("secp521r1", "secp521r1", "EC", 24),
170 TLS_GROUP_ENTRY("P-521", "secp521r1", "EC", 24), /* Alias of above */
171 # endif /* OPENSSL_NO_EC */
172 # ifndef OPENSSL_NO_DH
173 /* Security bit values for FFDHE groups are as per RFC 7919 */
174 TLS_GROUP_ENTRY("ffdhe2048", "ffdhe2048", "DH", 33),
175 TLS_GROUP_ENTRY("ffdhe3072", "ffdhe3072", "DH", 34),
176 # endif
177 # if !defined(OPENSSL_NO_ML_KEM)
178 /* https://www.iana.org/assignments/tls-parameters/tls-parameters.xhtml#tls-parameters-8 */
179 TLS_GROUP_ENTRY("MLKEM512", "", "ML-KEM-512", 38),
180 TLS_GROUP_ENTRY("MLKEM768", "", "ML-KEM-768", 39),
181 TLS_GROUP_ENTRY("MLKEM1024", "", "ML-KEM-1024", 40),
182 # endif
183 # ifndef OPENSSL_NO_EC
184 # ifndef FIPS_MODULE
185 TLS_GROUP_ENTRY("brainpoolP256r1", "brainpoolP256r1", "EC", 25),
186 TLS_GROUP_ENTRY("brainpoolP384r1", "brainpoolP384r1", "EC", 26),
187 TLS_GROUP_ENTRY("brainpoolP512r1", "brainpoolP512r1", "EC", 27),
188 TLS_GROUP_ENTRY("brainpoolP256r1tls13", "brainpoolP256r1", "EC", 30),
189 TLS_GROUP_ENTRY("brainpoolP384r1tls13", "brainpoolP384r1", "EC", 31),
190 TLS_GROUP_ENTRY("brainpoolP512r1tls13", "brainpoolP512r1", "EC", 32),
191 # endif
192 # ifndef OPENSSL_NO_ML_KEM
193 TLS_GROUP_ENTRY("SecP256r1MLKEM768", "", "SecP256r1MLKEM768", 42),
194 TLS_GROUP_ENTRY("SecP384r1MLKEM1024", "", "SecP384r1MLKEM1024", 43),
195 # endif
196 # endif
197 # ifndef OPENSSL_NO_DH
198 TLS_GROUP_ENTRY("ffdhe4096", "ffdhe4096", "DH", 35),
199 TLS_GROUP_ENTRY("ffdhe6144", "ffdhe6144", "DH", 36),
200 TLS_GROUP_ENTRY("ffdhe8192", "ffdhe8192", "DH", 37),
201 # endif
202 # ifndef OPENSSL_NO_TLS_DEPRECATED_EC
203 # ifndef OPENSSL_NO_EC2M
204 TLS_GROUP_ENTRY("sect163k1", "sect163k1", "EC", 0),
205 TLS_GROUP_ENTRY("K-163", "sect163k1", "EC", 0), /* Alias of above */
206 # endif
207 # ifndef FIPS_MODULE
208 TLS_GROUP_ENTRY("sect163r1", "sect163r1", "EC", 1),
209 # endif
210 # ifndef OPENSSL_NO_EC2M
211 TLS_GROUP_ENTRY("sect163r2", "sect163r2", "EC", 2),
212 TLS_GROUP_ENTRY("B-163", "sect163r2", "EC", 2), /* Alias of above */
213 # endif
214 # ifndef FIPS_MODULE
215 TLS_GROUP_ENTRY("sect193r1", "sect193r1", "EC", 3),
216 TLS_GROUP_ENTRY("sect193r2", "sect193r2", "EC", 4),
217 # endif
218 # ifndef OPENSSL_NO_EC2M
219 TLS_GROUP_ENTRY("sect233k1", "sect233k1", "EC", 5),
220 TLS_GROUP_ENTRY("K-233", "sect233k1", "EC", 5), /* Alias of above */
221 TLS_GROUP_ENTRY("sect233r1", "sect233r1", "EC", 6),
222 TLS_GROUP_ENTRY("B-233", "sect233r1", "EC", 6), /* Alias of above */
223 # endif
224 # ifndef FIPS_MODULE
225 TLS_GROUP_ENTRY("sect239k1", "sect239k1", "EC", 7),
226 # endif
227 # ifndef OPENSSL_NO_EC2M
228 TLS_GROUP_ENTRY("sect283k1", "sect283k1", "EC", 8),
229 TLS_GROUP_ENTRY("K-283", "sect283k1", "EC", 8), /* Alias of above */
230 TLS_GROUP_ENTRY("sect283r1", "sect283r1", "EC", 9),
231 TLS_GROUP_ENTRY("B-283", "sect283r1", "EC", 9), /* Alias of above */
232 TLS_GROUP_ENTRY("sect409k1", "sect409k1", "EC", 10),
233 TLS_GROUP_ENTRY("K-409", "sect409k1", "EC", 10), /* Alias of above */
234 TLS_GROUP_ENTRY("sect409r1", "sect409r1", "EC", 11),
235 TLS_GROUP_ENTRY("B-409", "sect409r1", "EC", 11), /* Alias of above */
236 TLS_GROUP_ENTRY("sect571k1", "sect571k1", "EC", 12),
237 TLS_GROUP_ENTRY("K-571", "sect571k1", "EC", 12), /* Alias of above */
238 TLS_GROUP_ENTRY("sect571r1", "sect571r1", "EC", 13),
239 TLS_GROUP_ENTRY("B-571", "sect571r1", "EC", 13), /* Alias of above */
240 # endif
241 # ifndef FIPS_MODULE
242 TLS_GROUP_ENTRY("secp160k1", "secp160k1", "EC", 14),
243 TLS_GROUP_ENTRY("secp160r1", "secp160r1", "EC", 15),
244 TLS_GROUP_ENTRY("secp160r2", "secp160r2", "EC", 16),
245 TLS_GROUP_ENTRY("secp192k1", "secp192k1", "EC", 17),
246 # endif
247 TLS_GROUP_ENTRY("secp192r1", "prime192v1", "EC", 18),
248 TLS_GROUP_ENTRY("P-192", "prime192v1", "EC", 18), /* Alias of above */
249 # ifndef FIPS_MODULE
250 TLS_GROUP_ENTRY("secp224k1", "secp224k1", "EC", 19),
251 # endif
252 TLS_GROUP_ENTRY("secp224r1", "secp224r1", "EC", 20),
253 TLS_GROUP_ENTRY("P-224", "secp224r1", "EC", 20), /* Alias of above */
254 # ifndef FIPS_MODULE
255 TLS_GROUP_ENTRY("secp256k1", "secp256k1", "EC", 21),
256 # endif
257 # endif /* !defined(OPENSSL_NO_TLS_DEPRECATED_EC) */
258 };
259 #endif /* !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ML_KEM) */
260
tls_group_capability(OSSL_CALLBACK * cb,void * arg)261 static int tls_group_capability(OSSL_CALLBACK *cb, void *arg)
262 {
263 #if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ML_KEM)
264 size_t i;
265
266 for (i = 0; i < OSSL_NELEM(param_group_list); i++)
267 if (!cb(param_group_list[i], arg))
268 return 0;
269 #endif
270
271 return 1;
272 }
273
274 /* --------------------------------------------------------------- */
275
276 #if !defined(OPENSSL_NO_ML_DSA)
277
278 typedef struct tls_sigalg_constants_st {
279 unsigned int code_point;
280 unsigned int sec_bits; /* Bits of security */
281 int min_tls; /* Minimum TLS version, -1 unsupported */
282 int max_tls; /* Maximum TLS version (or 0 for undefined) */
283 int min_dtls; /* Minimum DTLS version, -1 unsupported */
284 int max_dtls; /* Maximum DTLS version (or 0 for undefined) */
285 } TLS_SIGALG_CONSTANTS;
286
287 static const TLS_SIGALG_CONSTANTS sigalg_constants_list[3] = {
288 { 0x0904, 128, TLS1_3_VERSION, 0, -1, -1 },
289 { 0x0905, 192, TLS1_3_VERSION, 0, -1, -1 },
290 { 0x0906, 256, TLS1_3_VERSION, 0, -1, -1 },
291 };
292
293 # define TLS_SIGALG_ENTRY(tlsname, algorithm, oid, idx) \
294 { \
295 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_IANA_NAME, \
296 tlsname, sizeof(tlsname)), \
297 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_NAME, \
298 algorithm, sizeof(algorithm)), \
299 OSSL_PARAM_utf8_string(OSSL_CAPABILITY_TLS_SIGALG_OID, \
300 oid, sizeof(oid)), \
301 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_CODE_POINT, \
302 (unsigned int *)&sigalg_constants_list[idx].code_point),\
303 OSSL_PARAM_uint(OSSL_CAPABILITY_TLS_SIGALG_SECURITY_BITS, \
304 (unsigned int *)&sigalg_constants_list[idx].sec_bits), \
305 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MIN_TLS, \
306 (unsigned int *)&sigalg_constants_list[idx].min_tls), \
307 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MAX_TLS, \
308 (unsigned int *)&sigalg_constants_list[idx].max_tls), \
309 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MIN_DTLS, \
310 (unsigned int *)&sigalg_constants_list[idx].min_dtls), \
311 OSSL_PARAM_int(OSSL_CAPABILITY_TLS_SIGALG_MAX_DTLS, \
312 (unsigned int *)&sigalg_constants_list[idx].max_dtls), \
313 OSSL_PARAM_END \
314 }
315
316 static const OSSL_PARAM param_sigalg_list[][10] = {
317 TLS_SIGALG_ENTRY("mldsa44", "ML-DSA-44", "2.16.840.1.101.3.4.3.17", 0),
318 TLS_SIGALG_ENTRY("mldsa65", "ML-DSA-65", "2.16.840.1.101.3.4.3.18", 1),
319 TLS_SIGALG_ENTRY("mldsa87", "ML-DSA-87", "2.16.840.1.101.3.4.3.19", 2),
320 };
321 #endif /* OPENSSL_NO_ML_DSA */
322
tls_sigalg_capability(OSSL_CALLBACK * cb,void * arg)323 static int tls_sigalg_capability(OSSL_CALLBACK *cb, void *arg)
324 {
325 #if !defined(OPENSSL_NO_ML_DSA)
326 size_t i;
327
328 for (i = 0; i < OSSL_NELEM(param_sigalg_list); i++)
329 if (!cb(param_sigalg_list[i], arg))
330 return 0;
331 #endif
332 return 1;
333 }
334
ossl_prov_get_capabilities(void * provctx,const char * capability,OSSL_CALLBACK * cb,void * arg)335 int ossl_prov_get_capabilities(void *provctx, const char *capability,
336 OSSL_CALLBACK *cb, void *arg)
337 {
338 if (OPENSSL_strcasecmp(capability, "TLS-GROUP") == 0)
339 return tls_group_capability(cb, arg);
340 if (OPENSSL_strcasecmp(capability, "TLS-SIGALG") == 0)
341 return tls_sigalg_capability(cb, arg);
342
343 /* We don't support this capability */
344 return 0;
345 }
346