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Diffstat (limited to 'thirdparty/openssl/crypto/hmac/hmac.c')
-rw-r--r--thirdparty/openssl/crypto/hmac/hmac.c268
1 files changed, 0 insertions, 268 deletions
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);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-02 12:02:21 +0000