check in v3.8.1 source
This commit is contained in:
171
crypto/hmac/hm_ameth.c
Normal file
171
crypto/hmac/hm_ameth.c
Normal file
@@ -0,0 +1,171 @@
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/* $OpenBSD: hm_ameth.c,v 1.19 2022/11/26 16:08:53 tb Exp $ */
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/* 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).
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*
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*/
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#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <openssl/evp.h>
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#include <openssl/hmac.h>
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#include "asn1_local.h"
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#include "bytestring.h"
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#include "evp_local.h"
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#include "hmac_local.h"
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static int
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hmac_pkey_public_cmp(const EVP_PKEY *a, const EVP_PKEY *b)
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{
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/* The ameth pub_cmp must return 1 on match, 0 on mismatch. */
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return ASN1_OCTET_STRING_cmp(a->pkey.ptr, b->pkey.ptr) == 0;
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}
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static int
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hmac_size(const EVP_PKEY *pkey)
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{
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return EVP_MAX_MD_SIZE;
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}
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static void
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hmac_key_free(EVP_PKEY *pkey)
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{
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ASN1_OCTET_STRING *os;
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if ((os = pkey->pkey.ptr) == NULL)
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return;
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if (os->data != NULL)
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explicit_bzero(os->data, os->length);
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ASN1_OCTET_STRING_free(os);
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}
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static int
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hmac_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
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{
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switch (op) {
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case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
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*(int *)arg2 = NID_sha1;
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return 1;
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default:
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return -2;
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}
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}
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static int
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hmac_set_priv_key(EVP_PKEY *pkey, const unsigned char *priv, size_t len)
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{
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ASN1_OCTET_STRING *os = NULL;
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if (pkey->pkey.ptr != NULL)
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goto err;
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if (len > INT_MAX)
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goto err;
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if ((os = ASN1_OCTET_STRING_new()) == NULL)
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goto err;
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if (!ASN1_OCTET_STRING_set(os, priv, len))
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goto err;
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pkey->pkey.ptr = os;
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return 1;
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err:
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ASN1_OCTET_STRING_free(os);
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return 0;
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}
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static int
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hmac_get_priv_key(const EVP_PKEY *pkey, unsigned char *priv, size_t *len)
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{
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ASN1_OCTET_STRING *os;
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CBS cbs;
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if ((os = pkey->pkey.ptr) == NULL)
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return 0;
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if (priv == NULL) {
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*len = os->length;
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return 1;
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}
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CBS_init(&cbs, os->data, os->length);
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return CBS_write_bytes(&cbs, priv, *len, len);
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}
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const EVP_PKEY_ASN1_METHOD hmac_asn1_meth = {
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.pkey_id = EVP_PKEY_HMAC,
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.pkey_base_id = EVP_PKEY_HMAC,
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.pem_str = "HMAC",
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.info = "OpenSSL HMAC method",
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.pub_cmp = hmac_pkey_public_cmp,
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.pkey_size = hmac_size,
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.pkey_free = hmac_key_free,
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.pkey_ctrl = hmac_pkey_ctrl,
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.set_priv_key = hmac_set_priv_key,
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.get_priv_key = hmac_get_priv_key,
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};
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254
crypto/hmac/hm_pmeth.c
Normal file
254
crypto/hmac/hm_pmeth.c
Normal file
@@ -0,0 +1,254 @@
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/* $OpenBSD: hm_pmeth.c,v 1.15 2022/11/26 16:08:53 tb Exp $ */
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/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
|
||||
* project 2007.
|
||||
*/
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||||
/* ====================================================================
|
||||
* 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).
|
||||
*
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||||
*/
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#include <stdio.h>
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#include <string.h>
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#include <openssl/evp.h>
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#include <openssl/hmac.h>
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#include <openssl/x509.h>
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#include <openssl/x509v3.h>
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#include "evp_local.h"
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#include "hmac_local.h"
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/* HMAC pkey context structure */
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typedef struct {
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const EVP_MD *md; /* MD for HMAC use */
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ASN1_OCTET_STRING ktmp; /* Temp storage for key */
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HMAC_CTX ctx;
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} HMAC_PKEY_CTX;
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static int
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pkey_hmac_init(EVP_PKEY_CTX *ctx)
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{
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HMAC_PKEY_CTX *hctx;
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if ((hctx = calloc(1, sizeof(HMAC_PKEY_CTX))) == NULL)
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return 0;
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hctx->ktmp.type = V_ASN1_OCTET_STRING;
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HMAC_CTX_init(&hctx->ctx);
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ctx->data = hctx;
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ctx->keygen_info_count = 0;
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return 1;
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}
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static int
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pkey_hmac_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
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{
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HMAC_PKEY_CTX *sctx, *dctx;
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if (!pkey_hmac_init(dst))
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return 0;
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sctx = src->data;
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dctx = dst->data;
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dctx->md = sctx->md;
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HMAC_CTX_init(&dctx->ctx);
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if (!HMAC_CTX_copy(&dctx->ctx, &sctx->ctx))
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return 0;
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||||
if (sctx->ktmp.data) {
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if (!ASN1_OCTET_STRING_set(&dctx->ktmp, sctx->ktmp.data,
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sctx->ktmp.length))
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||||
return 0;
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||||
}
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||||
return 1;
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||||
}
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||||
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||||
static void
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||||
pkey_hmac_cleanup(EVP_PKEY_CTX *ctx)
|
||||
{
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||||
HMAC_PKEY_CTX *hctx;
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||||
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||||
if ((hctx = ctx->data) == NULL)
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||||
return;
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||||
|
||||
HMAC_CTX_cleanup(&hctx->ctx);
|
||||
freezero(hctx->ktmp.data, hctx->ktmp.length);
|
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free(hctx);
|
||||
}
|
||||
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||||
static int
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||||
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 = 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);
|
||||
free(key);
|
||||
return r;
|
||||
}
|
||||
return -2;
|
||||
}
|
||||
|
||||
const EVP_PKEY_METHOD hmac_pkey_meth = {
|
||||
.pkey_id = EVP_PKEY_HMAC,
|
||||
|
||||
.init = pkey_hmac_init,
|
||||
.copy = pkey_hmac_copy,
|
||||
.cleanup = pkey_hmac_cleanup,
|
||||
|
||||
.keygen = pkey_hmac_keygen,
|
||||
|
||||
.signctx_init = hmac_signctx_init,
|
||||
.signctx = hmac_signctx,
|
||||
|
||||
.ctrl = pkey_hmac_ctrl,
|
||||
.ctrl_str = pkey_hmac_ctrl_str
|
||||
};
|
||||
293
crypto/hmac/hmac.c
Normal file
293
crypto/hmac/hmac.c
Normal file
@@ -0,0 +1,293 @@
|
||||
/* $OpenBSD: hmac.c,v 1.31 2023/02/16 08:38:17 tb Exp $ */
|
||||
/* 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/err.h>
|
||||
#include <openssl/hmac.h>
|
||||
|
||||
#include "evp_local.h"
|
||||
#include "hmac_local.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 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 != NULL)
|
||||
md = ctx->md;
|
||||
else
|
||||
return 0;
|
||||
|
||||
if (key != NULL) {
|
||||
reset = 1;
|
||||
j = EVP_MD_block_size(md);
|
||||
if ((size_t)j > sizeof(ctx->key)) {
|
||||
EVPerror(EVP_R_BAD_BLOCK_LENGTH);
|
||||
goto err;
|
||||
}
|
||||
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 || (size_t)len > sizeof(ctx->key)) {
|
||||
EVPerror(EVP_R_BAD_KEY_LENGTH);
|
||||
goto err;
|
||||
}
|
||||
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;
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_Init_ex);
|
||||
|
||||
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)
|
||||
{
|
||||
if (ctx->md == NULL)
|
||||
return 0;
|
||||
|
||||
return EVP_DigestUpdate(&ctx->md_ctx, data, len);
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_Update);
|
||||
|
||||
int
|
||||
HMAC_Final(HMAC_CTX *ctx, unsigned char *md, unsigned int *len)
|
||||
{
|
||||
unsigned int i;
|
||||
unsigned char buf[EVP_MAX_MD_SIZE];
|
||||
|
||||
if (ctx->md == NULL)
|
||||
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;
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_Final);
|
||||
|
||||
HMAC_CTX *
|
||||
HMAC_CTX_new(void)
|
||||
{
|
||||
HMAC_CTX *ctx;
|
||||
|
||||
if ((ctx = calloc(1, sizeof(*ctx))) == NULL)
|
||||
return NULL;
|
||||
|
||||
HMAC_CTX_init(ctx);
|
||||
|
||||
return ctx;
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_CTX_new);
|
||||
|
||||
void
|
||||
HMAC_CTX_free(HMAC_CTX *ctx)
|
||||
{
|
||||
if (ctx == NULL)
|
||||
return;
|
||||
|
||||
HMAC_CTX_cleanup(ctx);
|
||||
|
||||
free(ctx);
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_CTX_free);
|
||||
|
||||
int
|
||||
HMAC_CTX_reset(HMAC_CTX *ctx)
|
||||
{
|
||||
HMAC_CTX_cleanup(ctx);
|
||||
HMAC_CTX_init(ctx);
|
||||
return 1;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_CTX_copy);
|
||||
|
||||
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);
|
||||
explicit_bzero(ctx, sizeof(*ctx));
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_CTX_set_flags);
|
||||
|
||||
const EVP_MD *
|
||||
HMAC_CTX_get_md(const HMAC_CTX *ctx)
|
||||
{
|
||||
return ctx->md;
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC_CTX_get_md);
|
||||
|
||||
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];
|
||||
const unsigned char dummy_key[1] = { 0 };
|
||||
|
||||
if (md == NULL)
|
||||
md = m;
|
||||
if (key == NULL) {
|
||||
key = dummy_key;
|
||||
key_len = 0;
|
||||
}
|
||||
HMAC_CTX_init(&c);
|
||||
if (!HMAC_Init_ex(&c, key, key_len, evp_md, NULL))
|
||||
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;
|
||||
}
|
||||
LCRYPTO_ALIAS(HMAC);
|
||||
83
crypto/hmac/hmac_local.h
Normal file
83
crypto/hmac/hmac_local.h
Normal file
@@ -0,0 +1,83 @@
|
||||
/* $OpenBSD: hmac_local.h,v 1.4 2022/11/26 16:08:53 tb Exp $ */
|
||||
/* 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.]
|
||||
*/
|
||||
#ifndef HEADER_HMAC_LOCAL_H
|
||||
#define HEADER_HMAC_LOCAL_H
|
||||
|
||||
#include <openssl/opensslconf.h>
|
||||
|
||||
#include <openssl/evp.h>
|
||||
|
||||
#include "evp_local.h"
|
||||
|
||||
__BEGIN_HIDDEN_DECLS
|
||||
|
||||
struct hmac_ctx_st {
|
||||
const EVP_MD *md;
|
||||
EVP_MD_CTX md_ctx;
|
||||
EVP_MD_CTX i_ctx;
|
||||
EVP_MD_CTX o_ctx;
|
||||
unsigned int key_length;
|
||||
unsigned char key[HMAC_MAX_MD_CBLOCK];
|
||||
} /* HMAC_CTX */;
|
||||
|
||||
void HMAC_CTX_init(HMAC_CTX *ctx);
|
||||
void HMAC_CTX_cleanup(HMAC_CTX *ctx);
|
||||
|
||||
__END_HIDDEN_DECLS
|
||||
|
||||
#endif /* !HEADER_HMAC_LOCAL_H */
|
||||
Reference in New Issue
Block a user