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-rw-r--r--openssl/crypto/hmac/hmac.c214
1 files changed, 0 insertions, 214 deletions
diff --git a/openssl/crypto/hmac/hmac.c b/openssl/crypto/hmac/hmac.c
deleted file mode 100644
index 6c98fc43..00000000
--- a/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);
- }
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 17:40:34 +0000