diff options
Diffstat (limited to 'thirdparty/openssl/crypto/hmac')
| -rw-r--r-- | thirdparty/openssl/crypto/hmac/hm_ameth.c | 167 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/hmac/hm_pmeth.c | 265 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/hmac/hmac.c | 268 |
3 files changed, 0 insertions, 700 deletions
diff --git a/thirdparty/openssl/crypto/hmac/hm_ameth.c b/thirdparty/openssl/crypto/hmac/hm_ameth.c deleted file mode 100644 index 944c6c857b..0000000000 --- a/thirdparty/openssl/crypto/hmac/hm_ameth.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project - * 2007. - */ -/* ==================================================================== - * Copyright (c) 2007 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/evp.h> -#include "asn1_locl.h" - -#define HMAC_TEST_PRIVATE_KEY_FORMAT - -/* - * HMAC "ASN1" method. This is just here to indicate the maximum HMAC output - * length and to free up an HMAC key. - */ - -static int hmac_size(const EVP_PKEY *pkey) -{ - return EVP_MAX_MD_SIZE; -} - -static void hmac_key_free(EVP_PKEY *pkey) -{ - ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr; - if (os) { - if (os->data) - OPENSSL_cleanse(os->data, os->length); - ASN1_OCTET_STRING_free(os); - } -} - -static int hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2) -{ - switch (op) { - case ASN1_PKEY_CTRL_DEFAULT_MD_NID: - *(int *)arg2 = NID_sha256; - return 1; - - default: - return -2; - } -} - -#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT -/* - * A bogus private key format for test purposes. This is simply the HMAC key - * with "HMAC PRIVATE KEY" in the headers. When enabled the genpkey utility - * can be used to "generate" HMAC keys. - */ - -static int old_hmac_decode(EVP_PKEY *pkey, - const unsigned char **pder, int derlen) -{ - ASN1_OCTET_STRING *os; - os = ASN1_OCTET_STRING_new(); - if (!os || !ASN1_OCTET_STRING_set(os, *pder, derlen)) - goto err; - if (!EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, os)) - goto err; - return 1; - - err: - ASN1_OCTET_STRING_free(os); - return 0; -} - -static int old_hmac_encode(const EVP_PKEY *pkey, unsigned char **pder) -{ - int inc; - ASN1_OCTET_STRING *os = (ASN1_OCTET_STRING *)pkey->pkey.ptr; - if (pder) { - if (!*pder) { - *pder = OPENSSL_malloc(os->length); - inc = 0; - } else - inc = 1; - - memcpy(*pder, os->data, os->length); - - if (inc) - *pder += os->length; - } - - return os->length; -} - -#endif - -const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = { - EVP_PKEY_HMAC, - EVP_PKEY_HMAC, - 0, - - "HMAC", - "OpenSSL HMAC method", - - 0, 0, 0, 0, - - 0, 0, 0, - - hmac_size, - 0, - 0, 0, 0, 0, 0, 0, 0, - - hmac_key_free, - hmac_pkey_ctrl, -#ifdef HMAC_TEST_PRIVATE_KEY_FORMAT - old_hmac_decode, - old_hmac_encode -#else - 0, 0 -#endif -}; diff --git a/thirdparty/openssl/crypto/hmac/hm_pmeth.c b/thirdparty/openssl/crypto/hmac/hm_pmeth.c deleted file mode 100644 index 0a59a01cf0..0000000000 --- a/thirdparty/openssl/crypto/hmac/hm_pmeth.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project - * 2007. - */ -/* ==================================================================== - * Copyright (c) 2007 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/x509.h> -#include <openssl/x509v3.h> -#include <openssl/evp.h> -#include <openssl/hmac.h> -#include "evp_locl.h" - -/* HMAC pkey context structure */ - -typedef struct { - const EVP_MD *md; /* MD for HMAC use */ - ASN1_OCTET_STRING ktmp; /* Temp storage for key */ - HMAC_CTX ctx; -} HMAC_PKEY_CTX; - -static int pkey_hmac_init(EVP_PKEY_CTX *ctx) -{ - HMAC_PKEY_CTX *hctx; - hctx = OPENSSL_malloc(sizeof(HMAC_PKEY_CTX)); - if (!hctx) - return 0; - hctx->md = NULL; - hctx->ktmp.data = NULL; - hctx->ktmp.length = 0; - hctx->ktmp.flags = 0; - hctx->ktmp.type = V_ASN1_OCTET_STRING; - HMAC_CTX_init(&hctx->ctx); - - ctx->data = hctx; - ctx->keygen_info_count = 0; - - return 1; -} - -static int pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src) -{ - HMAC_PKEY_CTX *sctx, *dctx; - if (!pkey_hmac_init(dst)) - return 0; - sctx = src->data; - dctx = dst->data; - dctx->md = sctx->md; - if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx)) - goto err; - if (sctx->ktmp.data != NULL) { - if (!ASN1_OCTET_STRING_set(&dctx->ktmp, - sctx->ktmp.data, sctx->ktmp.length)) - goto err; - } - return 1; - err: - HMAC_CTX_cleanup(&dctx->ctx); - OPENSSL_free(dctx); - return 0; -} - -static void pkey_hmac_cleanup(EVP_PKEY_CTX *ctx) -{ - HMAC_PKEY_CTX *hctx = ctx->data; - HMAC_CTX_cleanup(&hctx->ctx); - if (hctx->ktmp.data) { - if (hctx->ktmp.length) - OPENSSL_cleanse(hctx->ktmp.data, hctx->ktmp.length); - OPENSSL_free(hctx->ktmp.data); - hctx->ktmp.data = NULL; - } - OPENSSL_free(hctx); -} - -static int pkey_hmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey) -{ - ASN1_OCTET_STRING *hkey = NULL; - HMAC_PKEY_CTX *hctx = ctx->data; - if (!hctx->ktmp.data) - return 0; - hkey = ASN1_OCTET_STRING_dup(&hctx->ktmp); - if (!hkey) - return 0; - EVP_PKEY_assign(pkey, EVP_PKEY_HMAC, hkey); - - return 1; -} - -static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count) -{ - HMAC_PKEY_CTX *hctx = ctx->pctx->data; - if (!HMAC_Update(&hctx->ctx, data, count)) - return 0; - return 1; -} - -static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx) -{ - HMAC_PKEY_CTX *hctx = ctx->data; - HMAC_CTX_set_flags(&hctx->ctx, mctx->flags & ~EVP_MD_CTX_FLAG_NO_INIT); - EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT); - mctx->update = int_update; - return 1; -} - -static int hmac_signctx(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen, - EVP_MD_CTX *mctx) -{ - unsigned int hlen; - HMAC_PKEY_CTX *hctx = ctx->data; - int l = EVP_MD_CTX_size(mctx); - - if (l < 0) - return 0; - *siglen = l; - if (!sig) - return 1; - - if (!HMAC_Final(&hctx->ctx, sig, &hlen)) - return 0; - *siglen = (size_t)hlen; - return 1; -} - -static int pkey_hmac_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2) -{ - HMAC_PKEY_CTX *hctx = ctx->data; - ASN1_OCTET_STRING *key; - switch (type) { - - case EVP_PKEY_CTRL_SET_MAC_KEY: - if ((!p2 && p1 > 0) || (p1 < -1)) - return 0; - if (!ASN1_OCTET_STRING_set(&hctx->ktmp, p2, p1)) - return 0; - break; - - case EVP_PKEY_CTRL_MD: - hctx->md = p2; - break; - - case EVP_PKEY_CTRL_DIGESTINIT: - key = (ASN1_OCTET_STRING *)ctx->pkey->pkey.ptr; - if (!HMAC_Init_ex(&hctx->ctx, key->data, key->length, hctx->md, - ctx->engine)) - return 0; - break; - - default: - return -2; - - } - return 1; -} - -static int pkey_hmac_ctrl_str(EVP_PKEY_CTX *ctx, - const char *type, const char *value) -{ - if (!value) { - return 0; - } - if (!strcmp(type, "key")) { - void *p = (void *)value; - return pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, -1, p); - } - if (!strcmp(type, "hexkey")) { - unsigned char *key; - int r; - long keylen; - key = string_to_hex(value, &keylen); - if (!key) - return 0; - r = pkey_hmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key); - OPENSSL_free(key); - return r; - } - return -2; -} - -const EVP_PKEY_METHOD hmac_pkey_meth = { - EVP_PKEY_HMAC, - 0, - pkey_hmac_init, - pkey_hmac_copy, - pkey_hmac_cleanup, - - 0, 0, - - 0, - pkey_hmac_keygen, - - 0, 0, - - 0, 0, - - 0, 0, - - hmac_signctx_init, - hmac_signctx, - - 0, 0, - - 0, 0, - - 0, 0, - - 0, 0, - - pkey_hmac_ctrl, - pkey_hmac_ctrl_str -}; diff --git a/thirdparty/openssl/crypto/hmac/hmac.c b/thirdparty/openssl/crypto/hmac/hmac.c deleted file mode 100644 index 213504e85f..0000000000 --- a/thirdparty/openssl/crypto/hmac/hmac.c +++ /dev/null @@ -1,268 +0,0 @@ -/* crypto/hmac/hmac.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "cryptlib.h" -#include <openssl/hmac.h> - -#ifdef OPENSSL_FIPS -# include <openssl/fips.h> -#endif - -int HMAC_Init_ex(HMAC_CTX *ctx, const void *key, int len, - const EVP_MD *md, ENGINE *impl) -{ - int i, j, reset = 0; - unsigned char pad[HMAC_MAX_MD_CBLOCK]; - -#ifdef OPENSSL_FIPS - /* If FIPS mode switch to approved implementation if possible */ - if (FIPS_mode()) { - const EVP_MD *fipsmd; - if (md) { - fipsmd = FIPS_get_digestbynid(EVP_MD_type(md)); - if (fipsmd) - md = fipsmd; - } - } - - if (FIPS_mode()) { - /* If we have an ENGINE need to allow non FIPS */ - if ((impl || ctx->i_ctx.engine) - && !(ctx->i_ctx.flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)) { - EVPerr(EVP_F_HMAC_INIT_EX, EVP_R_DISABLED_FOR_FIPS); - return 0; - } - /* - * Other algorithm blocking will be done in FIPS_cmac_init, via - * FIPS_hmac_init_ex(). - */ - if (!impl && !ctx->i_ctx.engine) - return FIPS_hmac_init_ex(ctx, key, len, md, NULL); - } -#endif - /* If we are changing MD then we must have a key */ - if (md != NULL && md != ctx->md && (key == NULL || len < 0)) - return 0; - - if (md != NULL) { - reset = 1; - ctx->md = md; - } else if (ctx->md) { - md = ctx->md; - } else { - return 0; - } - - if (key != NULL) { - reset = 1; - j = EVP_MD_block_size(md); - OPENSSL_assert(j <= (int)sizeof(ctx->key)); - if (j < len) { - if (!EVP_DigestInit_ex(&ctx->md_ctx, md, impl)) - goto err; - if (!EVP_DigestUpdate(&ctx->md_ctx, key, len)) - goto err; - if (!EVP_DigestFinal_ex(&(ctx->md_ctx), ctx->key, - &ctx->key_length)) - goto err; - } else { - if (len < 0 || len > (int)sizeof(ctx->key)) - return 0; - memcpy(ctx->key, key, len); - ctx->key_length = len; - } - if (ctx->key_length != HMAC_MAX_MD_CBLOCK) - memset(&ctx->key[ctx->key_length], 0, - HMAC_MAX_MD_CBLOCK - ctx->key_length); - } - - if (reset) { - for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++) - pad[i] = 0x36 ^ ctx->key[i]; - if (!EVP_DigestInit_ex(&ctx->i_ctx, md, impl)) - goto err; - if (!EVP_DigestUpdate(&ctx->i_ctx, pad, EVP_MD_block_size(md))) - goto err; - - for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++) - pad[i] = 0x5c ^ ctx->key[i]; - if (!EVP_DigestInit_ex(&ctx->o_ctx, md, impl)) - goto err; - if (!EVP_DigestUpdate(&ctx->o_ctx, pad, EVP_MD_block_size(md))) - goto err; - } - if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx, &ctx->i_ctx)) - goto err; - return 1; - err: - return 0; -} - -int HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md) -{ - if (key && md) - HMAC_CTX_init(ctx); - return HMAC_Init_ex(ctx, key, len, md, NULL); -} - -int HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len) -{ -#ifdef OPENSSL_FIPS - if (FIPS_mode() && !ctx->i_ctx.engine) - return FIPS_hmac_update(ctx, data, len); -#endif - if (!ctx->md) - return 0; - - return EVP_DigestUpdate(&ctx->md_ctx, data, len); -} - -int HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len) -{ - unsigned int i; - unsigned char buf[EVP_MAX_MD_SIZE]; -#ifdef OPENSSL_FIPS - if (FIPS_mode() && !ctx->i_ctx.engine) - return FIPS_hmac_final(ctx, md, len); -#endif - - if (!ctx->md) - goto err; - - if (!EVP_DigestFinal_ex(&ctx->md_ctx, buf, &i)) - goto err; - if (!EVP_MD_CTX_copy_ex(&ctx->md_ctx, &ctx->o_ctx)) - goto err; - if (!EVP_DigestUpdate(&ctx->md_ctx, buf, i)) - goto err; - if (!EVP_DigestFinal_ex(&ctx->md_ctx, md, len)) - goto err; - return 1; - err: - return 0; -} - -void HMAC_CTX_init(HMAC_CTX *ctx) -{ - EVP_MD_CTX_init(&ctx->i_ctx); - EVP_MD_CTX_init(&ctx->o_ctx); - EVP_MD_CTX_init(&ctx->md_ctx); - ctx->md = NULL; -} - -int HMAC_CTX_copy(HMAC_CTX *dctx, HMAC_CTX *sctx) -{ - if (!EVP_MD_CTX_copy(&dctx->i_ctx, &sctx->i_ctx)) - goto err; - if (!EVP_MD_CTX_copy(&dctx->o_ctx, &sctx->o_ctx)) - goto err; - if (!EVP_MD_CTX_copy(&dctx->md_ctx, &sctx->md_ctx)) - goto err; - memcpy(dctx->key, sctx->key, HMAC_MAX_MD_CBLOCK); - dctx->key_length = sctx->key_length; - dctx->md = sctx->md; - return 1; - err: - return 0; -} - -void HMAC_CTX_cleanup(HMAC_CTX *ctx) -{ -#ifdef OPENSSL_FIPS - if (FIPS_mode() && !ctx->i_ctx.engine) { - FIPS_hmac_ctx_cleanup(ctx); - return; - } -#endif - EVP_MD_CTX_cleanup(&ctx->i_ctx); - EVP_MD_CTX_cleanup(&ctx->o_ctx); - EVP_MD_CTX_cleanup(&ctx->md_ctx); - OPENSSL_cleanse(ctx, sizeof *ctx); -} - -unsigned char *HMAC(const EVP_MD *evp_md, const void *key, int key_len, - const unsigned char *d, size_t n, unsigned char *md, - unsigned int *md_len) -{ - HMAC_CTX c; - static unsigned char m[EVP_MAX_MD_SIZE]; - - if (md == NULL) - md = m; - HMAC_CTX_init(&c); - if (!HMAC_Init(&c, key, key_len, evp_md)) - goto err; - if (!HMAC_Update(&c, d, n)) - goto err; - if (!HMAC_Final(&c, md, md_len)) - goto err; - HMAC_CTX_cleanup(&c); - return md; - err: - HMAC_CTX_cleanup(&c); - return NULL; -} - -void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags) -{ - EVP_MD_CTX_set_flags(&ctx->i_ctx, flags); - EVP_MD_CTX_set_flags(&ctx->o_ctx, flags); - EVP_MD_CTX_set_flags(&ctx->md_ctx, flags); -} |