Merge branch 'fix/sha512_block_mode' into 'master'

mbedtls: fix sha-512 block mode build error

See merge request espressif/esp-idf!23569
This commit is contained in:
Mahavir Jain 2023-05-08 16:09:50 +08:00
commit 17451f1fb3
5 changed files with 70 additions and 55 deletions

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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -108,6 +108,21 @@ void esp_sha_acquire_hardware(void);
void esp_sha_release_hardware(void);
/**
* @brief Sets the initial hash value for SHA512/t.
*
* @note Is generated according to the algorithm described in the TRM,
* chapter SHA-Accelerator
*
* @note The engine must be locked until the value is used for an operation
* or read out. Else you risk another operation overwriting it.
*
* @param t
*
* @return 0 if successful
*/
int esp_sha_512_t_init_hash(uint16_t t);
#ifdef __cplusplus
}
#endif

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@ -125,9 +125,7 @@ int mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 )
return 0;
}
static int esp_internal_sha512_block_process(mbedtls_sha512_context *ctx,
const uint8_t *data, size_t len,
uint8_t *buf, size_t buf_len)
static void esp_internal_sha512_block_process(mbedtls_sha512_context *ctx, const uint8_t *data)
{
esp_sha_block(ctx->mode, data, ctx->first_block);
@ -150,9 +148,8 @@ int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, const unsigned
int mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input,
size_t ilen )
{
int ret;
size_t fill;
unsigned int left, len, local_len = 0;
unsigned int left, local_len = 0;
if ( ilen == 0 ) {
return 0;
@ -177,7 +174,7 @@ int mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *inp
}
if ( len || local_len) {
if ( (ilen >= 128) || local_len) {
esp_sha_acquire_hardware();
@ -197,14 +194,14 @@ int mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *inp
/* First process buffered block, if any */
if ( local_len ) {
esp_internal_sha256_block_process(ctx, ctx->buffer);
esp_internal_sha512_block_process(ctx, ctx->buffer);
}
while ( ilen >= 128 ) {
esp_internal_sha256_block_process(ctx, input);
esp_internal_sha512_block_process(ctx, input);
input += 64;
ilen -= 64;
input += 128;
ilen -= 128;
}
esp_sha_read_digest_state(ctx->mode, ctx->state);

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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/

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@ -138,48 +138,6 @@ void esp_sha_release_hardware()
SHA_RELEASE();
}
#if SOC_SHA_SUPPORT_SHA512_T
/* The initial hash value for SHA512/t is generated according to the
algorithm described in the TRM, chapter SHA-Accelerator
*/
int esp_sha_512_t_init_hash(uint16_t t)
{
uint32_t t_string = 0;
uint8_t t0, t1, t2, t_len;
if (t == 384) {
ESP_LOGE(TAG, "Invalid t for SHA512/t, t = %u,cannot be 384", t);
return -1;
}
if (t <= 9) {
t_string = (uint32_t)((1 << 23) | ((0x30 + t) << 24));
t_len = 0x48;
} else if (t <= 99) {
t0 = t % 10;
t1 = (t / 10) % 10;
t_string = (uint32_t)((1 << 15) | ((0x30 + t0) << 16) |
(((0x30 + t1) << 24)));
t_len = 0x50;
} else if (t <= 512) {
t0 = t % 10;
t1 = (t / 10) % 10;
t2 = t / 100;
t_string = (uint32_t)((1 << 7) | ((0x30 + t0) << 8) |
(((0x30 + t1) << 16) + ((0x30 + t2) << 24)));
t_len = 0x58;
} else {
ESP_LOGE(TAG, "Invalid t for SHA512/t, t = %u, must equal or less than 512", t);
return -1;
}
sha_hal_sha512_init_hash(t_string, t_len);
return 0;
}
#endif //SOC_SHA_SUPPORT_SHA512_T
/* Hash the input block by block, using non-DMA mode */
static void esp_sha_block_mode(esp_sha_type sha_type, const uint8_t *input, uint32_t ilen,

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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2018-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2018-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -7,6 +7,7 @@
#include <string.h>
#include <stdio.h>
#include <assert.h>
#include "hal/sha_hal.h"
#include "hal/sha_types.h"
#include "soc/soc_caps.h"
#include "esp_log.h"
@ -97,3 +98,47 @@ void esp_sha(esp_sha_type sha_type, const unsigned char *input, size_t ilen, uns
ESP_LOGE(TAG, "SHA type %d not supported", (int)sha_type);
abort();
}
#if SOC_SHA_SUPPORT_SHA512_T
/* The initial hash value for SHA512/t is generated according to the
algorithm described in the TRM, chapter SHA-Accelerator
*/
int esp_sha_512_t_init_hash(uint16_t t)
{
uint32_t t_string = 0;
uint8_t t0, t1, t2, t_len;
if (t == 384) {
ESP_LOGE(TAG, "Invalid t for SHA512/t, t = %u,cannot be 384", t);
return -1;
}
if (t <= 9) {
t_string = (uint32_t)((1 << 23) | ((0x30 + t) << 24));
t_len = 0x48;
} else if (t <= 99) {
t0 = t % 10;
t1 = (t / 10) % 10;
t_string = (uint32_t)((1 << 15) | ((0x30 + t0) << 16) |
(((0x30 + t1) << 24)));
t_len = 0x50;
} else if (t <= 512) {
t0 = t % 10;
t1 = (t / 10) % 10;
t2 = t / 100;
t_string = (uint32_t)((1 << 7) | ((0x30 + t0) << 8) |
(((0x30 + t1) << 16) + ((0x30 + t2) << 24)));
t_len = 0x58;
} else {
ESP_LOGE(TAG, "Invalid t for SHA512/t, t = %u, must equal or less than 512", t);
return -1;
}
sha_hal_sha512_init_hash(t_string, t_len);
return 0;
}
#endif //SOC_SHA_SUPPORT_SHA512_T