mirror of
https://github.com/espressif/esp-idf.git
synced 2025-09-23 01:05:14 +00:00
esp32: Move hardware crypto implementation/headers to hwcrypto directories
This commit is contained in:
Angus Gratton
committed by
Wu Jian Gang
Wu Jian Gang
parent
fc2bfc1f49
commit
4167b68eef
363
components/esp32/hwcrypto/aes.c
Normal file
363
components/esp32/hwcrypto/aes.c
Normal file
@@ -0,0 +1,363 @@
|
||||
|
||||
/*
|
||||
* FIPS-197 compliant AES 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 AES block cipher was designed by Vincent Rijmen and Joan Daemen.
|
||||
*
|
||||
* http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
|
||||
* http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
|
||||
*/
|
||||
#include <string.h>
|
||||
#include "aes.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_aes_init( AES_CTX *ctx )
|
||||
{
|
||||
memset( ctx, 0, sizeof( AES_CTX ) );
|
||||
|
||||
AES_LOCK();
|
||||
AES_TAKE();
|
||||
ets_aes_enable();
|
||||
AES_UNLOCK();
|
||||
}
|
||||
|
||||
void esp_aes_free( AES_CTX *ctx )
|
||||
{
|
||||
if ( ctx == NULL ) {
|
||||
return;
|
||||
}
|
||||
|
||||
bzero( ctx, sizeof( AES_CTX ) );
|
||||
|
||||
AES_LOCK();
|
||||
AES_GIVE();
|
||||
|
||||
if (false == AES_IS_USED()) {
|
||||
ets_aes_disable();
|
||||
}
|
||||
|
||||
AES_UNLOCK();
|
||||
}
|
||||
|
||||
/*
|
||||
* AES key schedule (encryption)
|
||||
*/
|
||||
int esp_aes_setkey_enc( AES_CTX *ctx, const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
{
|
||||
enum AES_BITS keybit;
|
||||
uint16_t keybyte = keybits / 8;
|
||||
|
||||
switch (keybits) {
|
||||
case 128:
|
||||
keybit = AES128;
|
||||
break;
|
||||
case 192:
|
||||
keybit = AES192;
|
||||
break;
|
||||
case 256:
|
||||
keybit = AES256;
|
||||
break;
|
||||
default:
|
||||
return ( ERR_AES_INVALID_KEY_LENGTH );
|
||||
}
|
||||
|
||||
if (ctx->enc.keyflag == false) {
|
||||
ctx->enc.keyflag = true;
|
||||
ctx->enc.keybits = keybits;
|
||||
memset(ctx->enc.key, 0, sizeof(ctx->enc.key));
|
||||
memcpy(ctx->enc.key, key, keybyte);
|
||||
} else {
|
||||
ets_aes_setkey_enc(key, keybit);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* AES key schedule (decryption)
|
||||
*/
|
||||
int esp_aes_setkey_dec( AES_CTX *ctx, const unsigned char *key,
|
||||
unsigned int keybits )
|
||||
{
|
||||
enum AES_BITS keybit;
|
||||
uint16_t keybyte = keybits / 8;
|
||||
|
||||
switch (keybits) {
|
||||
case 128:
|
||||
keybit = AES128;
|
||||
break;
|
||||
case 192:
|
||||
keybit = AES192;
|
||||
break;
|
||||
case 256:
|
||||
keybit = AES256;
|
||||
break;
|
||||
default:
|
||||
return ( ERR_AES_INVALID_KEY_LENGTH );
|
||||
}
|
||||
|
||||
if (ctx->dec.keyflag == false) {
|
||||
ctx->dec.keyflag = true;
|
||||
ctx->dec.keybits = keybits;
|
||||
memset(ctx->dec.key, 0, sizeof(ctx->dec.key));
|
||||
memcpy(ctx->dec.key, key, keybyte);
|
||||
} else {
|
||||
ets_aes_setkey_dec(key, keybit);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void esp_aes_process_enable(AES_CTX *ctx, int mode)
|
||||
{
|
||||
if ( mode == AES_ENCRYPT ) {
|
||||
esp_aes_setkey_enc(ctx, ctx->enc.key, ctx->enc.keybits);
|
||||
} else {
|
||||
esp_aes_setkey_dec(ctx, ctx->dec.key, ctx->dec.keybits);
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static void esp_aes_process_disable(AES_CTX *ctx, int mode)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* AES-ECB block encryption
|
||||
*/
|
||||
|
||||
void esp_aes_encrypt( AES_CTX *ctx,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] )
|
||||
{
|
||||
ets_aes_crypt(input, output);
|
||||
|
||||
return ;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* AES-ECB block decryption
|
||||
*/
|
||||
|
||||
void esp_aes_decrypt( AES_CTX *ctx,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] )
|
||||
{
|
||||
ets_aes_crypt(input, output);
|
||||
|
||||
return ;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* AES-ECB block encryption/decryption
|
||||
*/
|
||||
int esp_aes_crypt_ecb( AES_CTX *ctx,
|
||||
int mode,
|
||||
const unsigned char input[16],
|
||||
unsigned char output[16] )
|
||||
{
|
||||
AES_LOCK();
|
||||
|
||||
esp_aes_process_enable(ctx, mode);
|
||||
|
||||
if ( mode == AES_ENCRYPT ) {
|
||||
esp_aes_encrypt( ctx, input, output );
|
||||
} else {
|
||||
esp_aes_decrypt( ctx, input, output );
|
||||
}
|
||||
|
||||
esp_aes_process_disable(ctx, mode);
|
||||
|
||||
AES_UNLOCK();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* AES-CBC buffer encryption/decryption
|
||||
*/
|
||||
int esp_aes_crypt_cbc( AES_CTX *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int i;
|
||||
unsigned char temp[16];
|
||||
|
||||
if ( length % 16 ) {
|
||||
return ( ERR_AES_INVALID_INPUT_LENGTH );
|
||||
}
|
||||
|
||||
if ( mode == AES_DECRYPT ) {
|
||||
while ( length > 0 ) {
|
||||
memcpy( temp, input, 16 );
|
||||
esp_aes_crypt_ecb( ctx, mode, input, output );
|
||||
|
||||
for ( i = 0; i < 16; i++ ) {
|
||||
output[i] = (unsigned char)( output[i] ^ iv[i] );
|
||||
}
|
||||
|
||||
memcpy( iv, temp, 16 );
|
||||
|
||||
input += 16;
|
||||
output += 16;
|
||||
length -= 16;
|
||||
}
|
||||
} else {
|
||||
while ( length > 0 ) {
|
||||
for ( i = 0; i < 16; i++ ) {
|
||||
output[i] = (unsigned char)( input[i] ^ iv[i] );
|
||||
}
|
||||
|
||||
esp_aes_crypt_ecb( ctx, mode, output, output );
|
||||
memcpy( iv, output, 16 );
|
||||
|
||||
input += 16;
|
||||
output += 16;
|
||||
length -= 16;
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* AES-CFB128 buffer encryption/decryption
|
||||
*/
|
||||
int esp_aes_crypt_cfb128( AES_CTX *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
size_t *iv_off,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int c;
|
||||
size_t n = *iv_off;
|
||||
|
||||
if ( mode == AES_DECRYPT ) {
|
||||
while ( length-- ) {
|
||||
if ( n == 0 ) {
|
||||
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
|
||||
}
|
||||
|
||||
c = *input++;
|
||||
*output++ = (unsigned char)( c ^ iv[n] );
|
||||
iv[n] = (unsigned char) c;
|
||||
|
||||
n = ( n + 1 ) & 0x0F;
|
||||
}
|
||||
} else {
|
||||
while ( length-- ) {
|
||||
if ( n == 0 ) {
|
||||
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
|
||||
}
|
||||
|
||||
iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
|
||||
|
||||
n = ( n + 1 ) & 0x0F;
|
||||
}
|
||||
}
|
||||
|
||||
*iv_off = n;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* AES-CFB8 buffer encryption/decryption
|
||||
*/
|
||||
int esp_aes_crypt_cfb8( AES_CTX *ctx,
|
||||
int mode,
|
||||
size_t length,
|
||||
unsigned char iv[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
unsigned char c;
|
||||
unsigned char ov[17];
|
||||
|
||||
while ( length-- ) {
|
||||
memcpy( ov, iv, 16 );
|
||||
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv );
|
||||
|
||||
if ( mode == AES_DECRYPT ) {
|
||||
ov[16] = *input;
|
||||
}
|
||||
|
||||
c = *output++ = (unsigned char)( iv[0] ^ *input++ );
|
||||
|
||||
if ( mode == AES_ENCRYPT ) {
|
||||
ov[16] = c;
|
||||
}
|
||||
|
||||
memcpy( iv, ov + 1, 16 );
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* AES-CTR buffer encryption/decryption
|
||||
*/
|
||||
int esp_aes_crypt_ctr( AES_CTX *ctx,
|
||||
size_t length,
|
||||
size_t *nc_off,
|
||||
unsigned char nonce_counter[16],
|
||||
unsigned char stream_block[16],
|
||||
const unsigned char *input,
|
||||
unsigned char *output )
|
||||
{
|
||||
int c, i;
|
||||
size_t n = *nc_off;
|
||||
|
||||
while ( length-- ) {
|
||||
if ( n == 0 ) {
|
||||
esp_aes_crypt_ecb( ctx, AES_ENCRYPT, nonce_counter, stream_block );
|
||||
|
||||
for ( i = 16; i > 0; i-- )
|
||||
if ( ++nonce_counter[i - 1] != 0 ) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
c = *input++;
|
||||
*output++ = (unsigned char)( c ^ stream_block[n] );
|
||||
|
||||
n = ( n + 1 ) & 0x0F;
|
||||
}
|
||||
|
||||
*nc_off = n;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
2180
components/esp32/hwcrypto/bignum.c
Normal file
2180
components/esp32/hwcrypto/bignum.c
Normal file
File diff suppressed because it is too large
Load Diff
66
components/esp32/hwcrypto/esp_crypto.c
Normal file
66
components/esp32/hwcrypto/esp_crypto.c
Normal file
@@ -0,0 +1,66 @@
|
||||
#include "esp_crypto.h"
|
||||
#include "freertos/FreeRTOS.h"
|
||||
#include "freertos/semphr.h"
|
||||
|
||||
static SemaphoreHandle_t esp_crypto_mutex[MUTEX_MAX_NUM];
|
||||
static int esp_crypto_sig[MUTEX_MAX_NUM];
|
||||
|
||||
#if 0
|
||||
#define ESP_DEBUG ets_printf
|
||||
#else
|
||||
#define ESP_DEBUG(...)
|
||||
#endif
|
||||
|
||||
int esp_crypto_init(void)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < MUTEX_MAX_NUM; i++) {
|
||||
esp_crypto_mutex[i] = xSemaphoreCreateMutex();
|
||||
ESP_DEBUG("init num %d mutex %p\n", i, esp_crypto_mutex[i]);
|
||||
if (!esp_crypto_mutex[i]) {
|
||||
goto failed1;
|
||||
}
|
||||
esp_crypto_sig[i] = 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
failed1:
|
||||
ESP_DEBUG("esp_crypto_init failed\n");
|
||||
for (i--; i >= 0; i--) {
|
||||
vQueueDelete(esp_crypto_mutex[i]);
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
void esp_crypto_lock(unsigned int num)
|
||||
{
|
||||
ESP_DEBUG("1num %d, mutex %p\n", num, esp_crypto_mutex[num]);
|
||||
xSemaphoreTake(esp_crypto_mutex[num], portMAX_DELAY);
|
||||
}
|
||||
|
||||
void esp_crypto_unlock(unsigned int num)
|
||||
{
|
||||
ESP_DEBUG("2num %d, mutex %p\n", num, esp_crypto_mutex[num]);
|
||||
xSemaphoreGive(esp_crypto_mutex[num]);
|
||||
}
|
||||
|
||||
void esp_crypto_take(unsigned int num)
|
||||
{
|
||||
esp_crypto_sig[num]++;
|
||||
}
|
||||
|
||||
void esp_crypto_give(unsigned int num)
|
||||
{
|
||||
if (esp_crypto_sig[num]) {
|
||||
esp_crypto_sig[num]--;
|
||||
}
|
||||
}
|
||||
|
||||
bool esp_crypto_is_used(unsigned int num)
|
||||
{
|
||||
return (esp_crypto_sig[num] != 0) ? true : false;
|
||||
}
|
||||
|
||||
292
components/esp32/hwcrypto/sha.c
Normal file
292
components/esp32/hwcrypto/sha.c
Normal file
@@ -0,0 +1,292 @@
|
||||
/*
|
||||
* 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 );
|
||||
}
|
||||
|
||||
////
|
||||
|
||||
Reference in New Issue
Block a user