2 * Copyright 2019-2021 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 deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
13 #include <openssl/crypto.h>
14 #include <openssl/evp.h>
15 #include <openssl/core_dispatch.h>
16 #include <openssl/core_names.h>
17 #include <openssl/params.h>
18 #include <openssl/err.h>
19 #include "prov/implementations.h"
20 #include "prov/provider_ctx.h"
21 #include "prov/macsignature.h"
22 #include "prov/providercommon.h"
24 static OSSL_FUNC_signature_newctx_fn mac_hmac_newctx;
25 static OSSL_FUNC_signature_newctx_fn mac_siphash_newctx;
26 static OSSL_FUNC_signature_newctx_fn mac_poly1305_newctx;
27 static OSSL_FUNC_signature_newctx_fn mac_cmac_newctx;
28 static OSSL_FUNC_signature_digest_sign_init_fn mac_digest_sign_init;
29 static OSSL_FUNC_signature_digest_sign_update_fn mac_digest_sign_update;
30 static OSSL_FUNC_signature_digest_sign_final_fn mac_digest_sign_final;
31 static OSSL_FUNC_signature_freectx_fn mac_freectx;
32 static OSSL_FUNC_signature_dupctx_fn mac_dupctx;
33 static OSSL_FUNC_signature_set_ctx_params_fn mac_set_ctx_params;
34 static OSSL_FUNC_signature_settable_ctx_params_fn mac_hmac_settable_ctx_params;
35 static OSSL_FUNC_signature_settable_ctx_params_fn mac_siphash_settable_ctx_params;
36 static OSSL_FUNC_signature_settable_ctx_params_fn mac_poly1305_settable_ctx_params;
37 static OSSL_FUNC_signature_settable_ctx_params_fn mac_cmac_settable_ctx_params;
46 static void *mac_newctx(void *provctx, const char *propq, const char *macname)
48 PROV_MAC_CTX *pmacctx;
51 if (!ossl_prov_is_running())
54 pmacctx = OPENSSL_zalloc(sizeof(PROV_MAC_CTX));
58 pmacctx->libctx = PROV_LIBCTX_OF(provctx);
59 if (propq != NULL && (pmacctx->propq = OPENSSL_strdup(propq)) == NULL) {
60 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
64 mac = EVP_MAC_fetch(pmacctx->libctx, macname, propq);
68 pmacctx->macctx = EVP_MAC_CTX_new(mac);
69 if (pmacctx->macctx == NULL)
77 OPENSSL_free(pmacctx->propq);
78 OPENSSL_free(pmacctx);
83 #define MAC_NEWCTX(funcname, macname) \
84 static void *mac_##funcname##_newctx(void *provctx, const char *propq) \
86 return mac_newctx(provctx, propq, macname); \
89 MAC_NEWCTX(hmac, "HMAC")
90 MAC_NEWCTX(siphash, "SIPHASH")
91 MAC_NEWCTX(poly1305, "POLY1305")
92 MAC_NEWCTX(cmac, "CMAC")
94 static int mac_digest_sign_init(void *vpmacctx, const char *mdname, void *vkey,
95 const OSSL_PARAM params[])
97 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
98 const char *ciphername = NULL, *engine = NULL;
100 if (!ossl_prov_is_running()
103 || !ossl_mac_key_up_ref(vkey))
106 ossl_mac_key_free(pmacctx->key);
109 if (pmacctx->key->cipher.cipher != NULL)
110 ciphername = (char *)EVP_CIPHER_name(pmacctx->key->cipher.cipher);
111 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
112 if (pmacctx->key->cipher.engine != NULL)
113 engine = (char *)ENGINE_get_id(pmacctx->key->cipher.engine);
116 if (!ossl_prov_set_macctx(pmacctx->macctx, NULL,
120 pmacctx->key->properties,
124 if (!EVP_MAC_init(pmacctx->macctx, pmacctx->key->priv_key,
125 pmacctx->key->priv_key_len, params))
131 int mac_digest_sign_update(void *vpmacctx, const unsigned char *data,
134 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
136 if (pmacctx == NULL || pmacctx->macctx == NULL)
139 return EVP_MAC_update(pmacctx->macctx, data, datalen);
142 int mac_digest_sign_final(void *vpmacctx, unsigned char *mac, size_t *maclen,
145 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
147 if (!ossl_prov_is_running() || pmacctx == NULL || pmacctx->macctx == NULL)
150 return EVP_MAC_final(pmacctx->macctx, mac, maclen, macsize);
153 static void mac_freectx(void *vpmacctx)
155 PROV_MAC_CTX *ctx = (PROV_MAC_CTX *)vpmacctx;
157 OPENSSL_free(ctx->propq);
158 EVP_MAC_CTX_free(ctx->macctx);
159 ossl_mac_key_free(ctx->key);
163 static void *mac_dupctx(void *vpmacctx)
165 PROV_MAC_CTX *srcctx = (PROV_MAC_CTX *)vpmacctx;
166 PROV_MAC_CTX *dstctx;
168 if (!ossl_prov_is_running())
171 dstctx = OPENSSL_zalloc(sizeof(*srcctx));
176 dstctx->propq = NULL;
178 dstctx->macctx = NULL;
180 if (srcctx->propq != NULL && (dstctx->propq = OPENSSL_strdup(srcctx->propq)) == NULL)
183 if (srcctx->key != NULL && !ossl_mac_key_up_ref(srcctx->key))
185 dstctx->key = srcctx->key;
187 if (srcctx->macctx != NULL) {
188 dstctx->macctx = EVP_MAC_CTX_dup(srcctx->macctx);
189 if (dstctx->macctx == NULL)
199 static int mac_set_ctx_params(void *vpmacctx, const OSSL_PARAM params[])
201 PROV_MAC_CTX *ctx = (PROV_MAC_CTX *)vpmacctx;
203 return EVP_MAC_CTX_set_params(ctx->macctx, params);
206 static const OSSL_PARAM *mac_settable_ctx_params(ossl_unused void *ctx,
210 EVP_MAC *mac = EVP_MAC_fetch(PROV_LIBCTX_OF(provctx), macname,
212 const OSSL_PARAM *params;
217 params = EVP_MAC_settable_ctx_params(mac);
223 #define MAC_SETTABLE_CTX_PARAMS(funcname, macname) \
224 static const OSSL_PARAM *mac_##funcname##_settable_ctx_params(void *ctx, \
227 return mac_settable_ctx_params(ctx, provctx, macname); \
230 MAC_SETTABLE_CTX_PARAMS(hmac, "HMAC")
231 MAC_SETTABLE_CTX_PARAMS(siphash, "SIPHASH")
232 MAC_SETTABLE_CTX_PARAMS(poly1305, "POLY1305")
233 MAC_SETTABLE_CTX_PARAMS(cmac, "CMAC")
235 #define MAC_SIGNATURE_FUNCTIONS(funcname) \
236 const OSSL_DISPATCH ossl_mac_legacy_##funcname##_signature_functions[] = { \
237 { OSSL_FUNC_SIGNATURE_NEWCTX, (void (*)(void))mac_##funcname##_newctx }, \
238 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT, \
239 (void (*)(void))mac_digest_sign_init }, \
240 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE, \
241 (void (*)(void))mac_digest_sign_update }, \
242 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL, \
243 (void (*)(void))mac_digest_sign_final }, \
244 { OSSL_FUNC_SIGNATURE_FREECTX, (void (*)(void))mac_freectx }, \
245 { OSSL_FUNC_SIGNATURE_DUPCTX, (void (*)(void))mac_dupctx }, \
246 { OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS, \
247 (void (*)(void))mac_set_ctx_params }, \
248 { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS, \
249 (void (*)(void))mac_##funcname##_settable_ctx_params }, \
253 MAC_SIGNATURE_FUNCTIONS(hmac)
254 MAC_SIGNATURE_FUNCTIONS(siphash)
255 MAC_SIGNATURE_FUNCTIONS(poly1305)
256 MAC_SIGNATURE_FUNCTIONS(cmac)