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esp32: Move hardware crypto implementation/headers to hwcrypto directories

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Angus Gratton
2016-09-02 14:40:43 +10:00
committed by Wu Jian Gang
parent fc2bfc1f49
commit 4167b68eef
8 changed files with 0 additions and 0 deletions
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292
components/esp32/hwcrypto/sha.c Normal file
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/*
* FIPS-180-1 compliant SHA-1 implementation
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
/*
* The SHA-1 standard was published by NIST in 1993.
*
* http://www.itl.nist.gov/fipspubs/fip180-1.htm
*/
#include <string.h>
#include "sha.h"
#include "esp_crypto.h"
/* Implementation that should never be optimized out by the compiler */
//static void bzero( void *v, size_t n ) {
// volatile unsigned char *p = v; while( n-- ) *p++ = 0;
//}
void esp_sha1_init( SHA1_CTX *ctx )
{
memset( ctx, 0, sizeof( SHA1_CTX ) );
SHA_LOCK();
SHA_TAKE();
ets_sha_enable();
SHA_UNLOCK();
}
void esp_sha1_free( SHA1_CTX *ctx )
{
if ( ctx == NULL ) {
return;
}
bzero( ctx, sizeof( SHA1_CTX ) );
SHA_LOCK();
SHA_GIVE();
if (false == SHA_IS_USED()) {
ets_sha_disable();
}
SHA_UNLOCK();
}
void esp_sha1_clone( SHA1_CTX *dst, const SHA1_CTX *src )
{
*dst = *src;
}
void esp_sha1_process(SHA1_CTX *ctx, const unsigned char data[64])
{
}
/*
* SHA-1 context setup
*/
void esp_sha1_start( SHA1_CTX *ctx )
{
SHA_LOCK();
ets_sha_init(&ctx->context);
ctx->context_type = SHA1;
}
/*
* SHA-1 process buffer
*/
void esp_sha1_update( SHA1_CTX *ctx, const unsigned char *input, size_t ilen )
{
ets_sha_update(&ctx->context, ctx->context_type, input, ilen * 8);
}
/*
* SHA-1 final digest
*/
void esp_sha1_finish( SHA1_CTX *ctx, unsigned char output[20] )
{
ets_sha_finish(&ctx->context, ctx->context_type, output);
SHA_UNLOCK();
}
/*
* output = SHA-1( input buffer )
*/
void esp_sha1_output( const unsigned char *input, size_t ilen, unsigned char output[20] )
{
SHA1_CTX ctx;
esp_sha1_init( &ctx );
esp_sha1_start( &ctx );
esp_sha1_update( &ctx, input, ilen );
esp_sha1_finish( &ctx, output );
esp_sha1_free( &ctx );
}
/////
/* Implementation that should never be optimized out by the compiler */
void esp_sha256_init( SHA256_CTX *ctx )
{
memset( ctx, 0, sizeof( SHA256_CTX ) );
SHA_LOCK();
SHA_TAKE();
ets_sha_enable();
SHA_UNLOCK();
}
void esp_sha256_process(SHA256_CTX *ctx, const unsigned char data[64])
{
}
void esp_sha256_free( SHA256_CTX *ctx )
{
if ( ctx == NULL ) {
return;
}
bzero( ctx, sizeof( SHA256_CTX ) );
SHA_LOCK();
SHA_GIVE();
if (false == SHA_IS_USED()) {
ets_sha_disable();
}
SHA_UNLOCK();
}
void esp_sha256_clone( SHA256_CTX *dst, const SHA256_CTX *src )
{
*dst = *src;
}
/*
* SHA-256 context setup
*/
void esp_sha256_start( SHA256_CTX *ctx, int is224 )
{
SHA_LOCK();
ets_sha_init(&ctx->context);
if ( is224 == 0 ) {
/* SHA-256 */
ctx->context_type = SHA256;
} else {
/* SHA-224 */
ctx->context_type = SHA224;
}
}
/*
* SHA-256 process buffer
*/
void esp_sha256_update( SHA256_CTX *ctx, const unsigned char *input, size_t ilen )
{
ets_sha_update(&ctx->context, ctx->context_type, input, ilen * 8);
}
/*
* SHA-256 final digest
*/
void esp_sha256_finish( SHA256_CTX *ctx, unsigned char output[32] )
{
ets_sha_finish(&ctx->context, ctx->context_type, output);
SHA_UNLOCK();
}
/*
* output = SHA-256( input buffer )
*/
void esp_sha256_output( const unsigned char *input, size_t ilen, unsigned char output[32], int is224 )
{
SHA256_CTX ctx;
esp_sha256_init( &ctx );
esp_sha256_start( &ctx, is224 );
esp_sha256_update( &ctx, input, ilen );
esp_sha256_finish( &ctx, output );
esp_sha256_free( &ctx );
}
/////
void esp_sha512_init( SHA512_CTX *ctx )
{
memset( ctx, 0, sizeof( SHA512_CTX ) );
SHA_LOCK();
SHA_TAKE();
ets_sha_enable();
SHA_UNLOCK();
}
void esp_sha512_process( SHA512_CTX *ctx, const unsigned char data[128] )
{
}
void esp_sha512_free( SHA512_CTX *ctx )
{
if ( ctx == NULL ) {
return;
}
bzero( ctx, sizeof( SHA512_CTX ) );
SHA_LOCK();
SHA_GIVE();
if (false == SHA_IS_USED()) {
ets_sha_disable();
}
SHA_UNLOCK();
}
void esp_sha512_clone( SHA512_CTX *dst, const SHA512_CTX *src )
{
*dst = *src;
}
/*
* SHA-512 context setup
*/
void esp_sha512_start( SHA512_CTX *ctx, int is384 )
{
SHA_LOCK();
ets_sha_init(&ctx->context);
if ( is384 == 0 ) {
/* SHA-512 */
ctx->context_type = SHA2_512;
} else {
/* SHA-384 */
ctx->context_type = SHA2_384;
}
}
/*
* SHA-512 process buffer
*/
void esp_sha512_update( SHA512_CTX *ctx, const unsigned char *input, size_t ilen )
{
ets_sha_update(&ctx->context, ctx->context_type, input, ilen * 8);
}
/*
* SHA-512 final digest
*/
void esp_sha512_finish( SHA512_CTX *ctx, unsigned char output[64] )
{
ets_sha_finish(&ctx->context, ctx->context_type, output);
SHA_UNLOCK();
}
/*
* output = SHA-512( input buffer )
*/
void esp_sha512_output( const unsigned char *input, size_t ilen, unsigned char output[64], int is384 )
{
SHA512_CTX ctx;
esp_sha512_init( &ctx );
esp_sha512_start( &ctx, is384 );
esp_sha512_update( &ctx, input, ilen );
esp_sha512_finish( &ctx, output );
esp_sha512_free( &ctx );
}
////