2 * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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
10 /* We need to use some engine and HMAC deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
13 #include <openssl/engine.h>
14 #include "ssl_local.h"
17 * Engine APIs are only used to support applications that still use ENGINEs.
18 * Once ENGINE is removed completely, all of this code can also be removed.
21 #ifndef OPENSSL_NO_ENGINE
22 void tls_engine_finish(ENGINE *e)
28 const EVP_CIPHER *tls_get_cipher_from_engine(int nid)
30 const EVP_CIPHER *ret = NULL;
31 #ifndef OPENSSL_NO_ENGINE
35 * If there is an Engine available for this cipher we use the "implicit"
36 * form to ensure we use that engine later.
38 eng = ENGINE_get_cipher_engine(nid);
40 ret = ENGINE_get_cipher(eng, nid);
47 const EVP_MD *tls_get_digest_from_engine(int nid)
49 const EVP_MD *ret = NULL;
50 #ifndef OPENSSL_NO_ENGINE
54 * If there is an Engine available for this digest we use the "implicit"
55 * form to ensure we use that engine later.
57 eng = ENGINE_get_digest_engine(nid);
59 ret = ENGINE_get_digest(eng, nid);
66 #ifndef OPENSSL_NO_ENGINE
67 int tls_engine_load_ssl_client_cert(SSL_CONNECTION *s, X509 **px509,
70 SSL *ssl = SSL_CONNECTION_GET_SSL(s);
72 return ENGINE_load_ssl_client_cert(SSL_CONNECTION_GET_CTX(s)->client_cert_engine,
74 SSL_get_client_CA_list(ssl),
75 px509, ppkey, NULL, NULL, NULL);
79 #ifndef OPENSSL_NO_ENGINE
80 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e)
82 if (!ENGINE_init(e)) {
83 ERR_raise(ERR_LIB_SSL, ERR_R_ENGINE_LIB);
86 if (!ENGINE_get_ssl_client_cert_function(e)) {
87 ERR_raise(ERR_LIB_SSL, SSL_R_NO_CLIENT_CERT_METHOD);
91 ctx->client_cert_engine = e;
97 * The HMAC APIs below are only used to support the deprecated public API
98 * macro SSL_CTX_set_tlsext_ticket_key_cb(). The application supplied callback
99 * takes an HMAC_CTX in its argument list. The preferred alternative is
100 * SSL_CTX_set_tlsext_ticket_key_evp_cb(). Once
101 * SSL_CTX_set_tlsext_ticket_key_cb() is removed, then all of this code can also
104 #ifndef OPENSSL_NO_DEPRECATED_3_0
105 int ssl_hmac_old_new(SSL_HMAC *ret)
107 ret->old_ctx = HMAC_CTX_new();
108 if (ret->old_ctx == NULL)
114 void ssl_hmac_old_free(SSL_HMAC *ctx)
116 HMAC_CTX_free(ctx->old_ctx);
119 int ssl_hmac_old_init(SSL_HMAC *ctx, void *key, size_t len, char *md)
121 return HMAC_Init_ex(ctx->old_ctx, key, len, EVP_get_digestbyname(md), NULL);
124 int ssl_hmac_old_update(SSL_HMAC *ctx, const unsigned char *data, size_t len)
126 return HMAC_Update(ctx->old_ctx, data, len);
129 int ssl_hmac_old_final(SSL_HMAC *ctx, unsigned char *md, size_t *len)
133 if (HMAC_Final(ctx->old_ctx, md, &l) > 0) {
142 size_t ssl_hmac_old_size(const SSL_HMAC *ctx)
144 return HMAC_size(ctx->old_ctx);
147 HMAC_CTX *ssl_hmac_get0_HMAC_CTX(SSL_HMAC *ctx)
152 /* Some deprecated public APIs pass DH objects */
153 EVP_PKEY *ssl_dh_to_pkey(DH *dh)
155 # ifndef OPENSSL_NO_DH
160 ret = EVP_PKEY_new();
161 if (EVP_PKEY_set1_DH(ret, dh) <= 0) {
171 /* Some deprecated public APIs pass EC_KEY objects */
172 int ssl_set_tmp_ecdh_groups(uint16_t **pext, size_t *pextlen,
175 # ifndef OPENSSL_NO_EC
176 const EC_GROUP *group = EC_KEY_get0_group((const EC_KEY *)key);
180 ERR_raise(ERR_LIB_SSL, SSL_R_MISSING_PARAMETERS);
183 nid = EC_GROUP_get_curve_name(group);
184 if (nid == NID_undef)
186 return tls1_set_groups(pext, pextlen, &nid, 1);
193 * Set the callback for generating temporary DH keys.
194 * ctx: the SSL context.
197 # if !defined(OPENSSL_NO_DH)
198 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
199 DH *(*dh) (SSL *ssl, int is_export,
202 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
205 void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export,
208 SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
211 #endif /* OPENSSL_NO_DEPRECATED */