1 /* 2 * Copyright 2019-2021 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 /* 11 * MD5 and SHA-1 low level APIs are deprecated for public use, but still ok for 12 * internal use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <string.h> 17 #include <openssl/crypto.h> 18 #include <openssl/evp.h> 19 #include <openssl/params.h> 20 #include <openssl/core_names.h> 21 #include "prov/md5_sha1.h" 22 #include "prov/digestcommon.h" 23 #include "prov/implementations.h" 24 25 static OSSL_FUNC_digest_set_ctx_params_fn md5_sha1_set_ctx_params; 26 static OSSL_FUNC_digest_settable_ctx_params_fn md5_sha1_settable_ctx_params; 27 28 static const OSSL_PARAM known_md5_sha1_settable_ctx_params[] = { 29 {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0}, 30 OSSL_PARAM_END 31 }; 32 33 static const OSSL_PARAM *md5_sha1_settable_ctx_params(ossl_unused void *ctx, 34 ossl_unused void *provctx) 35 { 36 return known_md5_sha1_settable_ctx_params; 37 } 38 39 /* Special set_params method for SSL3 */ 40 static int md5_sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[]) 41 { 42 const OSSL_PARAM *p; 43 MD5_SHA1_CTX *ctx = (MD5_SHA1_CTX *)vctx; 44 45 if (ctx == NULL) 46 return 0; 47 if (params == NULL) 48 return 1; 49 50 p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS); 51 if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING) 52 return ossl_md5_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET, 53 p->data_size, p->data); 54 return 1; 55 } 56 57 /* ossl_md5_sha1_functions */ 58 IMPLEMENT_digest_functions_with_settable_ctx( 59 md5_sha1, MD5_SHA1_CTX, MD5_SHA1_CBLOCK, MD5_SHA1_DIGEST_LENGTH, 0, 60 ossl_md5_sha1_init, ossl_md5_sha1_update, ossl_md5_sha1_final, 61 md5_sha1_settable_ctx_params, md5_sha1_set_ctx_params) 62