diff options
Diffstat (limited to 'app/openssl/crypto/hmac/hmac.c')
-rw-r--r-- | app/openssl/crypto/hmac/hmac.c | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/app/openssl/crypto/hmac/hmac.c b/app/openssl/crypto/hmac/hmac.c deleted file mode 100644 index 6c98fc43..00000000 --- a/app/openssl/crypto/hmac/hmac.c +++ /dev/null @@ -1,214 +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> - -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]; - - if (md != NULL) - { - reset=1; - ctx->md=md; - } - else - md=ctx->md; - - 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 - { - OPENSSL_assert(len>=0 && len<=(int)sizeof(ctx->key)); - 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) - { - 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]; - - 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); - } - -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) - { - EVP_MD_CTX_cleanup(&ctx->i_ctx); - EVP_MD_CTX_cleanup(&ctx->o_ctx); - EVP_MD_CTX_cleanup(&ctx->md_ctx); - memset(ctx,0,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: - 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); - } |