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Revert "quantum init"

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This reverts commit 53af3b51ae.
This commit is contained in:
Simon
2018-01-04 14:03:27 +08:00
parent 53af3b51ae
commit 38395c5c80
2361 changed files with 144430 additions and 387427 deletions
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65
crypto/cmac/cm_ameth.c
View File

@@ -1,61 +1,17 @@
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2010.
*/
/* ====================================================================
* Copyright (c) 2010 The OpenSSL Project. All rights reserved.
* Copyright 2010-2016 The OpenSSL Project Authors. 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.
* ====================================================================
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "cryptlib.h"
#include "internal/cryptlib.h"
#include <openssl/evp.h>
#include <openssl/cmac.h>
#include "asn1_locl.h"
#include "internal/asn1_int.h"
/*
* CMAC "ASN1" method. This is just here to indicate the maximum CMAC output
@@ -69,9 +25,8 @@ static int cmac_size(const EVP_PKEY *pkey)
static void cmac_key_free(EVP_PKEY *pkey)
{
CMAC_CTX *cmctx = (CMAC_CTX *)pkey->pkey.ptr;
if (cmctx)
CMAC_CTX_free(cmctx);
CMAC_CTX *cmctx = EVP_PKEY_get0(pkey);
CMAC_CTX_free(cmctx);
}
const EVP_PKEY_ASN1_METHOD cmac_asn1_meth = {
@@ -87,7 +42,7 @@ const EVP_PKEY_ASN1_METHOD cmac_asn1_meth = {
0, 0, 0,
cmac_size,
0,
0, 0,
0, 0, 0, 0, 0, 0, 0,
cmac_key_free,

87
crypto/cmac/cm_pmeth.c
View File

@@ -1,70 +1,26 @@
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2010.
*/
/* ====================================================================
* Copyright (c) 2010 The OpenSSL Project. All rights reserved.
* Copyright 2010-2016 The OpenSSL Project Authors. 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.
* ====================================================================
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include "cryptlib.h"
#include "internal/cryptlib.h"
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/evp.h>
#include <openssl/cmac.h>
#include "evp_locl.h"
#include "internal/evp_int.h"
/* The context structure and "key" is simply a CMAC_CTX */
static int pkey_cmac_init(EVP_PKEY_CTX *ctx)
{
ctx->data = CMAC_CTX_new();
if (!ctx->data)
if (ctx->data == NULL)
return 0;
ctx->keygen_info_count = 0;
return 1;
@@ -88,7 +44,7 @@ static int pkey_cmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
CMAC_CTX *cmkey = CMAC_CTX_new();
CMAC_CTX *cmctx = ctx->data;
if (!cmkey)
if (cmkey == NULL)
return 0;
if (!CMAC_CTX_copy(cmkey, cmctx)) {
CMAC_CTX_free(cmkey);
@@ -101,7 +57,7 @@ static int pkey_cmac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
if (!CMAC_Update(ctx->pctx->data, data, count))
if (!CMAC_Update(EVP_MD_CTX_pkey_ctx(ctx)->data, data, count))
return 0;
return 1;
}
@@ -109,7 +65,7 @@ static int int_update(EVP_MD_CTX *ctx, const void *data, size_t count)
static int cmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
{
EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
mctx->update = int_update;
EVP_MD_CTX_set_update_fn(mctx, int_update);
return 1;
}
@@ -157,28 +113,17 @@ static int pkey_cmac_ctrl_str(EVP_PKEY_CTX *ctx,
if (!value) {
return 0;
}
if (!strcmp(type, "key")) {
void *p = (void *)value;
return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, strlen(p), p);
}
if (!strcmp(type, "cipher")) {
if (strcmp(type, "cipher") == 0) {
const EVP_CIPHER *c;
c = EVP_get_cipherbyname(value);
if (!c)
return 0;
return pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_CIPHER, -1, (void *)c);
}
if (!strcmp(type, "hexkey")) {
unsigned char *key;
int r;
long keylen;
key = string_to_hex(value, &keylen);
if (!key)
return 0;
r = pkey_cmac_ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, keylen, key);
OPENSSL_free(key);
return r;
}
if (strcmp(type, "key") == 0)
return EVP_PKEY_CTX_str2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
if (strcmp(type, "hexkey") == 0)
return EVP_PKEY_CTX_hex2ctrl(ctx, EVP_PKEY_CTRL_SET_MAC_KEY, value);
return -2;
}

173
crypto/cmac/cmac.c
View File

@@ -1,70 +1,21 @@
/* crypto/cmac/cmac.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 2010 The OpenSSL Project. All rights reserved.
* Copyright 2010-2016 The OpenSSL Project Authors. 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.
* ====================================================================
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cryptlib.h"
#include "internal/cryptlib.h"
#include <openssl/cmac.h>
#ifdef OPENSSL_FIPS
# include <openssl/fips.h>
#endif
struct CMAC_CTX_st {
/* Cipher context to use */
EVP_CIPHER_CTX cctx;
EVP_CIPHER_CTX *cctx;
/* Keys k1 and k2 */
unsigned char k1[EVP_MAX_BLOCK_LENGTH];
unsigned char k2[EVP_MAX_BLOCK_LENGTH];
@@ -78,40 +29,38 @@ struct CMAC_CTX_st {
/* Make temporary keys K1 and K2 */
static void make_kn(unsigned char *k1, unsigned char *l, int bl)
static void make_kn(unsigned char *k1, const unsigned char *l, int bl)
{
int i;
unsigned char c = l[0], carry = c >> 7, cnext;
/* Shift block to left, including carry */
for (i = 0; i < bl; i++) {
k1[i] = l[i] << 1;
if (i < bl - 1 && l[i + 1] & 0x80)
k1[i] |= 1;
}
for (i = 0; i < bl - 1; i++, c = cnext)
k1[i] = (c << 1) | ((cnext = l[i + 1]) >> 7);
/* If MSB set fixup with R */
if (l[0] & 0x80)
k1[bl - 1] ^= bl == 16 ? 0x87 : 0x1b;
k1[i] = (c << 1) ^ ((0 - carry) & (bl == 16 ? 0x87 : 0x1b));
}
CMAC_CTX *CMAC_CTX_new(void)
{
CMAC_CTX *ctx;
ctx = OPENSSL_malloc(sizeof(CMAC_CTX));
if (!ctx)
ctx = OPENSSL_malloc(sizeof(*ctx));
if (ctx == NULL)
return NULL;
EVP_CIPHER_CTX_init(&ctx->cctx);
ctx->cctx = EVP_CIPHER_CTX_new();
if (ctx->cctx == NULL) {
OPENSSL_free(ctx);
return NULL;
}
ctx->nlast_block = -1;
return ctx;
}
void CMAC_CTX_cleanup(CMAC_CTX *ctx)
{
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !ctx->cctx.engine) {
FIPS_cmac_ctx_cleanup(ctx);
return;
}
#endif
EVP_CIPHER_CTX_cleanup(&ctx->cctx);
EVP_CIPHER_CTX_free(ctx->cctx);
OPENSSL_cleanse(ctx->tbl, EVP_MAX_BLOCK_LENGTH);
OPENSSL_cleanse(ctx->k1, EVP_MAX_BLOCK_LENGTH);
OPENSSL_cleanse(ctx->k2, EVP_MAX_BLOCK_LENGTH);
@@ -121,7 +70,7 @@ void CMAC_CTX_cleanup(CMAC_CTX *ctx)
EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx)
{
return &ctx->cctx;
return ctx->cctx;
}
void CMAC_CTX_free(CMAC_CTX *ctx)
@@ -137,9 +86,9 @@ int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in)
int bl;
if (in->nlast_block == -1)
return 0;
if (!EVP_CIPHER_CTX_copy(&out->cctx, &in->cctx))
if (!EVP_CIPHER_CTX_copy(out->cctx, in->cctx))
return 0;
bl = EVP_CIPHER_CTX_block_size(&in->cctx);
bl = EVP_CIPHER_CTX_block_size(in->cctx);
memcpy(out->k1, in->k1, bl);
memcpy(out->k2, in->k2, bl);
memcpy(out->tbl, in->tbl, bl);
@@ -151,62 +100,38 @@ int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in)
int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
const EVP_CIPHER *cipher, ENGINE *impl)
{
static unsigned char zero_iv[EVP_MAX_BLOCK_LENGTH];
#ifdef OPENSSL_FIPS
if (FIPS_mode()) {
/* If we have an ENGINE need to allow non FIPS */
if ((impl || ctx->cctx.engine)
&& !(ctx->cctx.flags & EVP_CIPH_FLAG_NON_FIPS_ALLOW)) {
EVPerr(EVP_F_CMAC_INIT, EVP_R_DISABLED_FOR_FIPS);
return 0;
}
/* Switch to FIPS cipher implementation if possible */
if (cipher != NULL) {
const EVP_CIPHER *fcipher;
fcipher = FIPS_get_cipherbynid(EVP_CIPHER_nid(cipher));
if (fcipher != NULL)
cipher = fcipher;
}
/*
* Other algorithm blocking will be done in FIPS_cmac_init, via
* FIPS_cipherinit().
*/
if (!impl && !ctx->cctx.engine)
return FIPS_cmac_init(ctx, key, keylen, cipher, NULL);
}
#endif
static const unsigned char zero_iv[EVP_MAX_BLOCK_LENGTH] = { 0 };
/* All zeros means restart */
if (!key && !cipher && !impl && keylen == 0) {
/* Not initialised */
if (ctx->nlast_block == -1)
return 0;
if (!EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, NULL, zero_iv))
if (!EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, NULL, zero_iv))
return 0;
memset(ctx->tbl, 0, EVP_CIPHER_CTX_block_size(&ctx->cctx));
memset(ctx->tbl, 0, EVP_CIPHER_CTX_block_size(ctx->cctx));
ctx->nlast_block = 0;
return 1;
}
/* Initialiase context */
if (cipher && !EVP_EncryptInit_ex(&ctx->cctx, cipher, impl, NULL, NULL))
/* Initialise context */
if (cipher && !EVP_EncryptInit_ex(ctx->cctx, cipher, impl, NULL, NULL))
return 0;
/* Non-NULL key means initialisation complete */
if (key) {
int bl;
if (!EVP_CIPHER_CTX_cipher(&ctx->cctx))
if (!EVP_CIPHER_CTX_cipher(ctx->cctx))
return 0;
if (!EVP_CIPHER_CTX_set_key_length(&ctx->cctx, keylen))
if (!EVP_CIPHER_CTX_set_key_length(ctx->cctx, keylen))
return 0;
if (!EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, key, zero_iv))
if (!EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, key, zero_iv))
return 0;
bl = EVP_CIPHER_CTX_block_size(&ctx->cctx);
if (!EVP_Cipher(&ctx->cctx, ctx->tbl, zero_iv, bl))
bl = EVP_CIPHER_CTX_block_size(ctx->cctx);
if (!EVP_Cipher(ctx->cctx, ctx->tbl, zero_iv, bl))
return 0;
make_kn(ctx->k1, ctx->tbl, bl);
make_kn(ctx->k2, ctx->k1, bl);
OPENSSL_cleanse(ctx->tbl, bl);
/* Reset context again ready for first data block */
if (!EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, NULL, zero_iv))
if (!EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, NULL, zero_iv))
return 0;
/* Zero tbl so resume works */
memset(ctx->tbl, 0, bl);
@@ -219,15 +144,11 @@ int CMAC_Update(CMAC_CTX *ctx, const void *in, size_t dlen)
{
const unsigned char *data = in;
size_t bl;
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !ctx->cctx.engine)
return FIPS_cmac_update(ctx, in, dlen);
#endif
if (ctx->nlast_block == -1)
return 0;
if (dlen == 0)
return 1;
bl = EVP_CIPHER_CTX_block_size(&ctx->cctx);
bl = EVP_CIPHER_CTX_block_size(ctx->cctx);
/* Copy into partial block if we need to */
if (ctx->nlast_block > 0) {
size_t nleft;
@@ -242,12 +163,12 @@ int CMAC_Update(CMAC_CTX *ctx, const void *in, size_t dlen)
return 1;
data += nleft;
/* Else not final block so encrypt it */
if (!EVP_Cipher(&ctx->cctx, ctx->tbl, ctx->last_block, bl))
if (!EVP_Cipher(ctx->cctx, ctx->tbl, ctx->last_block, bl))
return 0;
}
/* Encrypt all but one of the complete blocks left */
while (dlen > bl) {
if (!EVP_Cipher(&ctx->cctx, ctx->tbl, data, bl))
if (!EVP_Cipher(ctx->cctx, ctx->tbl, data, bl))
return 0;
dlen -= bl;
data += bl;
@@ -262,13 +183,9 @@ int CMAC_Update(CMAC_CTX *ctx, const void *in, size_t dlen)
int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen)
{
int i, bl, lb;
#ifdef OPENSSL_FIPS
if (FIPS_mode() && !ctx->cctx.engine)
return FIPS_cmac_final(ctx, out, poutlen);
#endif
if (ctx->nlast_block == -1)
return 0;
bl = EVP_CIPHER_CTX_block_size(&ctx->cctx);
bl = EVP_CIPHER_CTX_block_size(ctx->cctx);
*poutlen = (size_t)bl;
if (!out)
return 1;
@@ -284,7 +201,7 @@ int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen)
for (i = 0; i < bl; i++)
out[i] = ctx->last_block[i] ^ ctx->k2[i];
}
if (!EVP_Cipher(&ctx->cctx, out, out, bl)) {
if (!EVP_Cipher(ctx->cctx, out, out, bl)) {
OPENSSL_cleanse(out, bl);
return 0;
}
@@ -296,11 +213,11 @@ int CMAC_resume(CMAC_CTX *ctx)
if (ctx->nlast_block == -1)
return 0;
/*
* The buffer "tbl" containes the last fully encrypted block which is the
* The buffer "tbl" contains the last fully encrypted block which is the
* last IV (or all zeroes if no last encrypted block). The last block has
* not been modified since CMAC_final(). So reinitliasing using the last
* not been modified since CMAC_final(). So reinitialising using the last
* decrypted block will allow CMAC to continue after calling
* CMAC_Final().
*/
return EVP_EncryptInit_ex(&ctx->cctx, NULL, NULL, NULL, ctx->tbl);
return EVP_EncryptInit_ex(ctx->cctx, NULL, NULL, NULL, ctx->tbl);
}

82
crypto/cmac/cmac.h
View File

@@ -1,82 +0,0 @@
/* crypto/cmac/cmac.h */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 2010 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.
* ====================================================================
*/
#ifndef HEADER_CMAC_H
# define HEADER_CMAC_H
#ifdef __cplusplus
extern "C" {
#endif
# include <openssl/evp.h>
/* Opaque */
typedef struct CMAC_CTX_st CMAC_CTX;
CMAC_CTX *CMAC_CTX_new(void);
void CMAC_CTX_cleanup(CMAC_CTX *ctx);
void CMAC_CTX_free(CMAC_CTX *ctx);
EVP_CIPHER_CTX *CMAC_CTX_get0_cipher_ctx(CMAC_CTX *ctx);
int CMAC_CTX_copy(CMAC_CTX *out, const CMAC_CTX *in);
int CMAC_Init(CMAC_CTX *ctx, const void *key, size_t keylen,
const EVP_CIPHER *cipher, ENGINE *impl);
int CMAC_Update(CMAC_CTX *ctx, const void *data, size_t dlen);
int CMAC_Final(CMAC_CTX *ctx, unsigned char *out, size_t *poutlen);
int CMAC_resume(CMAC_CTX *ctx);
#ifdef __cplusplus
}
#endif
#endif