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neelimap
2026-07-30 11:19:44 +05:30
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commit afc7070c1f
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components/ip_net2-6.9/ipcrypto/openssl-0_9_8/fips/hmac/fips_hmac.c
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/* 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 <openssl/hmac.h>
#include <openssl/fips.h>
#ifdef OPENSSL_FIPS
void 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) {
if (FIPS_mode() && !(md->flags & EVP_MD_FLAG_FIPS)
&& (!(ctx->md_ctx.flags & EVP_MD_CTX_FLAG_NON_FIPS_ALLOW)
|| !(ctx->i_ctx.flags & EVP_MD_CTX_FLAG_NON_FIPS_ALLOW)
|| !(ctx->o_ctx.flags & EVP_MD_CTX_FLAG_NON_FIPS_ALLOW)))
OpenSSLDie(__FILE__, __LINE__,
"HMAC: digest not allowed in FIPS mode");
reset = 1;
j = M_EVP_MD_block_size(md);
OPENSSL_assert(j <= (int)sizeof ctx->key);
if (j < len) {
EVP_DigestInit_ex(&ctx->md_ctx, md, impl);
EVP_DigestUpdate(&ctx->md_ctx, key, len);
EVP_DigestFinal_ex(&(ctx->md_ctx), ctx->key, &ctx->key_length);
} else {
OPENSSL_assert(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];
EVP_DigestInit_ex(&ctx->i_ctx, md, impl);
EVP_DigestUpdate(&ctx->i_ctx, pad, M_EVP_MD_block_size(md));
for (i = 0; i < HMAC_MAX_MD_CBLOCK; i++)
pad[i] = 0x5c ^ ctx->key[i];
EVP_DigestInit_ex(&ctx->o_ctx, md, impl);
EVP_DigestUpdate(&ctx->o_ctx, pad, M_EVP_MD_block_size(md));
}
EVP_MD_CTX_copy_ex(&ctx->md_ctx, &ctx->i_ctx);
}
void HMAC_Init(HMAC_CTX *ctx, const void *key, int len, const EVP_MD *md)
{
if (key && md)
HMAC_CTX_init(ctx);
HMAC_Init_ex(ctx, key, len, md, NULL);
}
void HMAC_Update(HMAC_CTX *ctx, const unsigned char *data, size_t len)
{
EVP_DigestUpdate(&ctx->md_ctx, data, len);
}
void HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
{
int j;
unsigned int i;
unsigned char buf[EVP_MAX_MD_SIZE];
j = M_EVP_MD_block_size(ctx->md);
EVP_DigestFinal_ex(&ctx->md_ctx, buf, &i);
EVP_MD_CTX_copy_ex(&ctx->md_ctx, &ctx->o_ctx);
EVP_DigestUpdate(&ctx->md_ctx, buf, i);
EVP_DigestFinal_ex(&ctx->md_ctx, md, len);
}
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);
}
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);
HMAC_Init(&c, key, key_len, evp_md);
HMAC_Update(&c, d, n);
HMAC_Final(&c, md, md_len);
HMAC_CTX_cleanup(&c);
return (md);
}
void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags)
{
M_EVP_MD_CTX_set_flags(&ctx->i_ctx, flags);
M_EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
M_EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
}
#endif
components/ip_net2-6.9/ipcrypto/openssl-0_9_8/fips/hmac/fips_hmac_selftest.c
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/* ====================================================================
* Copyright (c) 2005 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
* openssl-core@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.
*
*/
#include <string.h>
#include <openssl/err.h>
#include <openssl/fips.h>
#include <openssl/hmac.h>
#ifdef OPENSSL_FIPS
typedef struct {
const EVP_MD *(*alg) (void);
const char *key, *iv;
unsigned char kaval[EVP_MAX_MD_SIZE];
} HMAC_KAT;
static const HMAC_KAT vector[] = {
{EVP_sha1,
/*
* from http://csrc.nist.gov/publications/fips/fips198/fips-198a.pdf
*/
"0123456789:;<=>?@ABC",
"Sample #2",
{0x09, 0x22, 0xd3, 0x40, 0x5f, 0xaa, 0x3d, 0x19,
0x4f, 0x82, 0xa4, 0x58, 0x30, 0x73, 0x7d, 0x5c,
0xc6, 0xc7, 0x5d, 0x24}
},
{EVP_sha224,
/* just keep extending the above... */
"0123456789:;<=>?@ABC",
"Sample #2",
{0xdd, 0xef, 0x0a, 0x40, 0xcb, 0x7d, 0x50, 0xfb,
0x6e, 0xe6, 0xce, 0xa1, 0x20, 0xba, 0x26, 0xaa,
0x08, 0xf3, 0x07, 0x75, 0x87, 0xb8, 0xad, 0x1b,
0x8c, 0x8d, 0x12, 0xc7}
},
{EVP_sha256,
"0123456789:;<=>?@ABC",
"Sample #2",
{0xb8, 0xf2, 0x0d, 0xb5, 0x41, 0xea, 0x43, 0x09,
0xca, 0x4e, 0xa9, 0x38, 0x0c, 0xd0, 0xe8, 0x34,
0xf7, 0x1f, 0xbe, 0x91, 0x74, 0xa2, 0x61, 0x38,
0x0d, 0xc1, 0x7e, 0xae, 0x6a, 0x34, 0x51, 0xd9}
},
{EVP_sha384,
"0123456789:;<=>?@ABC",
"Sample #2",
{0x08, 0xbc, 0xb0, 0xda, 0x49, 0x1e, 0x87, 0xad,
0x9a, 0x1d, 0x6a, 0xce, 0x23, 0xc5, 0x0b, 0xf6,
0xb7, 0x18, 0x06, 0xa5, 0x77, 0xcd, 0x49, 0x04,
0x89, 0xf1, 0xe6, 0x23, 0x44, 0x51, 0x51, 0x9f,
0x85, 0x56, 0x80, 0x79, 0x0c, 0xbd, 0x4d, 0x50,
0xa4, 0x5f, 0x29, 0xe3, 0x93, 0xf0, 0xe8, 0x7f}
},
{EVP_sha512,
"0123456789:;<=>?@ABC",
"Sample #2",
{0x80, 0x9d, 0x44, 0x05, 0x7c, 0x5b, 0x95, 0x41,
0x05, 0xbd, 0x04, 0x13, 0x16, 0xdb, 0x0f, 0xac,
0x44, 0xd5, 0xa4, 0xd5, 0xd0, 0x89, 0x2b, 0xd0,
0x4e, 0x86, 0x64, 0x12, 0xc0, 0x90, 0x77, 0x68,
0xf1, 0x87, 0xb7, 0x7c, 0x4f, 0xae, 0x2c, 0x2f,
0x21, 0xa5, 0xb5, 0x65, 0x9a, 0x4f, 0x4b, 0xa7,
0x47, 0x02, 0xa3, 0xde, 0x9b, 0x51, 0xf1, 0x45,
0xbd, 0x4f, 0x25, 0x27, 0x42, 0x98, 0x99, 0x05}
},
};
int FIPS_selftest_hmac()
{
size_t n;
unsigned int outlen;
unsigned char out[EVP_MAX_MD_SIZE];
const EVP_MD *md;
const HMAC_KAT *t;
for (n = 0, t = vector; n < sizeof(vector) / sizeof(vector[0]); n++, t++) {
md = (*t->alg) ();
HMAC(md, t->key, strlen(t->key),
(const unsigned char *)t->iv, strlen(t->iv), out, &outlen);
if (memcmp(out, t->kaval, outlen)) {
FIPSerr(FIPS_F_FIPS_SELFTEST_HMAC, FIPS_R_SELFTEST_FAILED);
return 0;
}
}
return 1;
}
#endif