2 * Copyright 2019-2020 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_LIBRARY_CONTEXT_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);
82 #define MAC_NEWCTX(funcname, macname) \
83 static void *mac_##funcname##_newctx(void *provctx, const char *propq) \
85 return mac_newctx(provctx, propq, macname); \
88 MAC_NEWCTX(hmac, "HMAC")
89 MAC_NEWCTX(siphash, "SIPHASH")
90 MAC_NEWCTX(poly1305, "POLY1305")
91 MAC_NEWCTX(cmac, "CMAC")
93 static int mac_digest_sign_init(void *vpmacctx, const char *mdname, void *vkey)
95 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
96 const char *ciphername = NULL, *engine = NULL;
98 if (!ossl_prov_is_running()
101 || !mac_key_up_ref(vkey))
104 mac_key_free(pmacctx->key);
107 if (pmacctx->key->cipher.cipher != NULL)
108 ciphername = (char *)EVP_CIPHER_name(pmacctx->key->cipher.cipher);
109 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
110 if (pmacctx->key->cipher.engine != NULL)
111 engine = (char *)ENGINE_get_id(pmacctx->key->cipher.engine);
114 if (!ossl_prov_set_macctx(pmacctx->macctx, NULL,
118 pmacctx->key->properties,
119 pmacctx->key->priv_key,
120 pmacctx->key->priv_key_len))
123 if (!EVP_MAC_init(pmacctx->macctx))
129 int mac_digest_sign_update(void *vpmacctx, const unsigned char *data,
132 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
134 if (pmacctx == NULL || pmacctx->macctx == NULL)
137 return EVP_MAC_update(pmacctx->macctx, data, datalen);
140 int mac_digest_sign_final(void *vpmacctx, unsigned char *mac, size_t *maclen,
143 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
145 if (!ossl_prov_is_running() || pmacctx == NULL || pmacctx->macctx == NULL)
148 return EVP_MAC_final(pmacctx->macctx, mac, maclen, macsize);
151 static void mac_freectx(void *vpmacctx)
153 PROV_MAC_CTX *ctx = (PROV_MAC_CTX *)vpmacctx;
155 OPENSSL_free(ctx->propq);
156 EVP_MAC_CTX_free(ctx->macctx);
157 mac_key_free(ctx->key);
161 static void *mac_dupctx(void *vpmacctx)
163 PROV_MAC_CTX *srcctx = (PROV_MAC_CTX *)vpmacctx;
164 PROV_MAC_CTX *dstctx;
166 if (!ossl_prov_is_running())
169 dstctx = OPENSSL_zalloc(sizeof(*srcctx));
175 dstctx->macctx = NULL;
177 if (srcctx->key != NULL && !mac_key_up_ref(srcctx->key))
179 dstctx->key = srcctx->key;
181 if (srcctx->macctx != NULL) {
182 dstctx->macctx = EVP_MAC_CTX_dup(srcctx->macctx);
183 if (dstctx->macctx == NULL)
193 static int mac_set_ctx_params(void *vpmacctx, const OSSL_PARAM params[])
195 PROV_MAC_CTX *ctx = (PROV_MAC_CTX *)vpmacctx;
197 return EVP_MAC_CTX_set_params(ctx->macctx, params);
200 static const OSSL_PARAM *mac_settable_ctx_params(void *provctx,
203 EVP_MAC *mac = EVP_MAC_fetch(PROV_LIBRARY_CONTEXT_OF(provctx), macname,
205 const OSSL_PARAM *params;
210 params = EVP_MAC_settable_ctx_params(mac);
216 #define MAC_SETTABLE_CTX_PARAMS(funcname, macname) \
217 static const OSSL_PARAM *mac_##funcname##_settable_ctx_params(void *provctx) \
219 return mac_settable_ctx_params(provctx, macname); \
222 MAC_SETTABLE_CTX_PARAMS(hmac, "HMAC")
223 MAC_SETTABLE_CTX_PARAMS(siphash, "SIPHASH")
224 MAC_SETTABLE_CTX_PARAMS(poly1305, "POLY1305")
225 MAC_SETTABLE_CTX_PARAMS(cmac, "CMAC")
227 #define MAC_SIGNATURE_FUNCTIONS(funcname) \
228 const OSSL_DISPATCH mac_legacy_##funcname##_signature_functions[] = { \
229 { OSSL_FUNC_SIGNATURE_NEWCTX, (void (*)(void))mac_##funcname##_newctx }, \
230 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT, \
231 (void (*)(void))mac_digest_sign_init }, \
232 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE, \
233 (void (*)(void))mac_digest_sign_update }, \
234 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL, \
235 (void (*)(void))mac_digest_sign_final }, \
236 { OSSL_FUNC_SIGNATURE_FREECTX, (void (*)(void))mac_freectx }, \
237 { OSSL_FUNC_SIGNATURE_DUPCTX, (void (*)(void))mac_dupctx }, \
238 { OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS, \
239 (void (*)(void))mac_set_ctx_params }, \
240 { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS, \
241 (void (*)(void))mac_##funcname##_settable_ctx_params }, \
245 MAC_SIGNATURE_FUNCTIONS(hmac)
246 MAC_SIGNATURE_FUNCTIONS(siphash)
247 MAC_SIGNATURE_FUNCTIONS(poly1305)
248 MAC_SIGNATURE_FUNCTIONS(cmac)