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 *s, X509 **px509, EVP_PKEY **ppkey)
69 return ENGINE_load_ssl_client_cert(s->ctx->client_cert_engine, s,
70 SSL_get_client_CA_list(s),
71 px509, ppkey, NULL, NULL, NULL);
75 #ifndef OPENSSL_NO_ENGINE
76 int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e)
78 if (!ENGINE_init(e)) {
79 ERR_raise(ERR_LIB_SSL, ERR_R_ENGINE_LIB);
82 if (!ENGINE_get_ssl_client_cert_function(e)) {
83 ERR_raise(ERR_LIB_SSL, SSL_R_NO_CLIENT_CERT_METHOD);
87 ctx->client_cert_engine = e;
93 * The HMAC APIs below are only used to support the deprecated public API
94 * macro SSL_CTX_set_tlsext_ticket_key_cb(). The application supplied callback
95 * takes an HMAC_CTX in its argument list. The preferred alternative is
96 * SSL_CTX_set_tlsext_ticket_key_evp_cb(). Once
97 * SSL_CTX_set_tlsext_ticket_key_cb() is removed, then all of this code can also
100 #ifndef OPENSSL_NO_DEPRECATED_3_0
101 int ssl_hmac_old_new(SSL_HMAC *ret)
103 ret->old_ctx = HMAC_CTX_new();
104 if (ret->old_ctx == NULL)
110 void ssl_hmac_old_free(SSL_HMAC *ctx)
112 HMAC_CTX_free(ctx->old_ctx);
115 int ssl_hmac_old_init(SSL_HMAC *ctx, void *key, size_t len, char *md)
117 return HMAC_Init_ex(ctx->old_ctx, key, len, EVP_get_digestbyname(md), NULL);
120 int ssl_hmac_old_update(SSL_HMAC *ctx, const unsigned char *data, size_t len)
122 return HMAC_Update(ctx->old_ctx, data, len);
125 int ssl_hmac_old_final(SSL_HMAC *ctx, unsigned char *md, size_t *len)
129 if (HMAC_Final(ctx->old_ctx, md, &l) > 0) {
138 size_t ssl_hmac_old_size(const SSL_HMAC *ctx)
140 return HMAC_size(ctx->old_ctx);
143 HMAC_CTX *ssl_hmac_get0_HMAC_CTX(SSL_HMAC *ctx)
148 /* Some deprecated public APIs pass DH objects */
149 EVP_PKEY *ssl_dh_to_pkey(DH *dh)
151 # ifndef OPENSSL_NO_DH
156 ret = EVP_PKEY_new();
157 if (EVP_PKEY_set1_DH(ret, dh) <= 0) {
167 /* Some deprecated public APIs pass EC_KEY objects */
168 int ssl_set_tmp_ecdh_groups(uint16_t **pext, size_t *pextlen,
171 # ifndef OPENSSL_NO_EC
172 const EC_GROUP *group = EC_KEY_get0_group((const EC_KEY *)key);
176 ERR_raise(ERR_LIB_SSL, SSL_R_MISSING_PARAMETERS);
179 nid = EC_GROUP_get_curve_name(group);
180 if (nid == NID_undef)
182 return tls1_set_groups(pext, pextlen, &nid, 1);
189 * Set the callback for generating temporary DH keys.
190 * ctx: the SSL context.
193 # if !defined(OPENSSL_NO_DH)
194 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
195 DH *(*dh) (SSL *ssl, int is_export,
198 SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
201 void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export,
204 SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
207 #endif /* OPENSSL_NO_DEPRECATED */