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"
23 static OSSL_FUNC_signature_newctx_fn mac_hmac_newctx;
24 static OSSL_FUNC_signature_newctx_fn mac_siphash_newctx;
25 static OSSL_FUNC_signature_newctx_fn mac_poly1305_newctx;
26 static OSSL_FUNC_signature_newctx_fn mac_cmac_newctx;
27 static OSSL_FUNC_signature_digest_sign_init_fn mac_digest_sign_init;
28 static OSSL_FUNC_signature_digest_sign_update_fn mac_digest_sign_update;
29 static OSSL_FUNC_signature_digest_sign_final_fn mac_digest_sign_final;
30 static OSSL_FUNC_signature_freectx_fn mac_freectx;
31 static OSSL_FUNC_signature_dupctx_fn mac_dupctx;
32 static OSSL_FUNC_signature_set_ctx_params_fn mac_set_ctx_params;
33 static OSSL_FUNC_signature_settable_ctx_params_fn mac_hmac_settable_ctx_params;
34 static OSSL_FUNC_signature_settable_ctx_params_fn mac_siphash_settable_ctx_params;
35 static OSSL_FUNC_signature_settable_ctx_params_fn mac_poly1305_settable_ctx_params;
36 static OSSL_FUNC_signature_settable_ctx_params_fn mac_cmac_settable_ctx_params;
45 static void *mac_newctx(void *provctx, const char *propq, const char *macname)
47 PROV_MAC_CTX *pmacctx = OPENSSL_zalloc(sizeof(PROV_MAC_CTX));
53 pmacctx->libctx = PROV_LIBRARY_CONTEXT_OF(provctx);
54 if (propq != NULL && (pmacctx->propq = OPENSSL_strdup(propq)) == NULL) {
55 ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
59 mac = EVP_MAC_fetch(pmacctx->libctx, macname, propq);
63 pmacctx->macctx = EVP_MAC_CTX_new(mac);
64 if (pmacctx->macctx == NULL)
72 OPENSSL_free(pmacctx);
77 #define MAC_NEWCTX(funcname, macname) \
78 static void *mac_##funcname##_newctx(void *provctx, const char *propq) \
80 return mac_newctx(provctx, propq, macname); \
83 MAC_NEWCTX(hmac, "HMAC")
84 MAC_NEWCTX(siphash, "SIPHASH")
85 MAC_NEWCTX(poly1305, "POLY1305")
86 MAC_NEWCTX(cmac, "CMAC")
88 static int mac_digest_sign_init(void *vpmacctx, const char *mdname, void *vkey)
90 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
91 const char *ciphername = NULL, *engine = NULL;
93 if (pmacctx == NULL || vkey == NULL || !mac_key_up_ref(vkey))
96 mac_key_free(pmacctx->key);
99 if (pmacctx->key->cipher.cipher != NULL)
100 ciphername = (char *)EVP_CIPHER_name(pmacctx->key->cipher.cipher);
101 #if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODULE)
102 if (pmacctx->key->cipher.engine != NULL)
103 engine = (char *)ENGINE_get_id(pmacctx->key->cipher.engine);
106 if (!ossl_prov_set_macctx(pmacctx->macctx, NULL,
110 pmacctx->key->properties,
111 pmacctx->key->priv_key,
112 pmacctx->key->priv_key_len))
115 if (!EVP_MAC_init(pmacctx->macctx))
121 int mac_digest_sign_update(void *vpmacctx, const unsigned char *data,
124 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
126 if (pmacctx == NULL || pmacctx->macctx == NULL)
129 return EVP_MAC_update(pmacctx->macctx, data, datalen);
132 int mac_digest_sign_final(void *vpmacctx, unsigned char *mac, size_t *maclen,
135 PROV_MAC_CTX *pmacctx = (PROV_MAC_CTX *)vpmacctx;
137 if (pmacctx == NULL || pmacctx->macctx == NULL)
140 return EVP_MAC_final(pmacctx->macctx, mac, maclen, macsize);
143 static void mac_freectx(void *vpmacctx)
145 PROV_MAC_CTX *ctx = (PROV_MAC_CTX *)vpmacctx;
147 OPENSSL_free(ctx->propq);
148 EVP_MAC_CTX_free(ctx->macctx);
149 mac_key_free(ctx->key);
153 static void *mac_dupctx(void *vpmacctx)
155 PROV_MAC_CTX *srcctx = (PROV_MAC_CTX *)vpmacctx;
156 PROV_MAC_CTX *dstctx;
158 dstctx = OPENSSL_zalloc(sizeof(*srcctx));
164 dstctx->macctx = NULL;
166 if (srcctx->key != NULL && !mac_key_up_ref(srcctx->key))
168 dstctx->key = srcctx->key;
170 if (srcctx->macctx != NULL) {
171 dstctx->macctx = EVP_MAC_CTX_dup(srcctx->macctx);
172 if (dstctx->macctx == NULL)
182 static int mac_set_ctx_params(void *vpmacctx, const OSSL_PARAM params[])
184 PROV_MAC_CTX *ctx = (PROV_MAC_CTX *)vpmacctx;
186 return EVP_MAC_CTX_set_params(ctx->macctx, params);
189 static const OSSL_PARAM *mac_settable_ctx_params(void *provctx,
192 EVP_MAC *mac = EVP_MAC_fetch(PROV_LIBRARY_CONTEXT_OF(provctx), macname,
194 const OSSL_PARAM *params;
199 params = EVP_MAC_settable_ctx_params(mac);
205 #define MAC_SETTABLE_CTX_PARAMS(funcname, macname) \
206 static const OSSL_PARAM *mac_##funcname##_settable_ctx_params(void *provctx) \
208 return mac_settable_ctx_params(provctx, macname); \
211 MAC_SETTABLE_CTX_PARAMS(hmac, "HMAC")
212 MAC_SETTABLE_CTX_PARAMS(siphash, "SIPHASH")
213 MAC_SETTABLE_CTX_PARAMS(poly1305, "POLY1305")
214 MAC_SETTABLE_CTX_PARAMS(cmac, "CMAC")
216 #define MAC_SIGNATURE_FUNCTIONS(funcname) \
217 const OSSL_DISPATCH mac_legacy_##funcname##_signature_functions[] = { \
218 { OSSL_FUNC_SIGNATURE_NEWCTX, (void (*)(void))mac_##funcname##_newctx }, \
219 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_INIT, \
220 (void (*)(void))mac_digest_sign_init }, \
221 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_UPDATE, \
222 (void (*)(void))mac_digest_sign_update }, \
223 { OSSL_FUNC_SIGNATURE_DIGEST_SIGN_FINAL, \
224 (void (*)(void))mac_digest_sign_final }, \
225 { OSSL_FUNC_SIGNATURE_FREECTX, (void (*)(void))mac_freectx }, \
226 { OSSL_FUNC_SIGNATURE_DUPCTX, (void (*)(void))mac_dupctx }, \
227 { OSSL_FUNC_SIGNATURE_SET_CTX_PARAMS, \
228 (void (*)(void))mac_set_ctx_params }, \
229 { OSSL_FUNC_SIGNATURE_SETTABLE_CTX_PARAMS, \
230 (void (*)(void))mac_##funcname##_settable_ctx_params }, \
234 MAC_SIGNATURE_FUNCTIONS(hmac)
235 MAC_SIGNATURE_FUNCTIONS(siphash)
236 MAC_SIGNATURE_FUNCTIONS(poly1305)
237 MAC_SIGNATURE_FUNCTIONS(cmac)