Merge branch 'fix/sha_port_formatting_and_local_val_types' into 'master'

fix(mbedtls/sha): Fix formatting and change local variable's types

Closes IDF-12217 and IDF-12218

See merge request espressif/esp-idf!36792
This commit is contained in:
Mahavir Jain
2025-02-12 17:19:03 +08:00
4 changed files with 134 additions and 132 deletions

View File

@@ -36,10 +36,10 @@
#include "sha/sha_core.h" #include "sha/sha_core.h"
/* Implementation that should never be optimized out by the compiler */ /* Implementation that should never be optimized out by the compiler */
static void mbedtls_zeroize( void *v, size_t n ) static void mbedtls_zeroize(void *v, size_t n)
{ {
volatile unsigned char *p = (unsigned char *)v; volatile unsigned char *p = (unsigned char *)v;
while ( n-- ) { while (n--) {
*p++ = 0; *p++ = 0;
} }
} }
@@ -51,28 +51,28 @@ static void mbedtls_zeroize( void *v, size_t n )
#ifndef PUT_UINT32_BE #ifndef PUT_UINT32_BE
#define PUT_UINT32_BE(n,b,i) \ #define PUT_UINT32_BE(n,b,i) \
{ \ { \
(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ (b)[(i) ] = (unsigned char) ((n) >> 24); \
(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ (b)[(i) + 1] = (unsigned char) ((n) >> 16); \
(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ (b)[(i) + 2] = (unsigned char) ((n) >> 8); \
(b)[(i) + 3] = (unsigned char) ( (n) ); \ (b)[(i) + 3] = (unsigned char) ((n) ); \
} }
#endif #endif
void mbedtls_sha1_init( mbedtls_sha1_context *ctx ) void mbedtls_sha1_init(mbedtls_sha1_context *ctx)
{ {
memset( ctx, 0, sizeof( mbedtls_sha1_context ) ); memset(ctx, 0, sizeof(mbedtls_sha1_context));
} }
void mbedtls_sha1_free( mbedtls_sha1_context *ctx ) void mbedtls_sha1_free(mbedtls_sha1_context *ctx)
{ {
if ( ctx == NULL ) { if (ctx == NULL) {
return; return;
} }
mbedtls_zeroize( ctx, sizeof( mbedtls_sha1_context ) ); mbedtls_zeroize(ctx, sizeof(mbedtls_sha1_context));
} }
void mbedtls_sha1_clone( mbedtls_sha1_context *dst, void mbedtls_sha1_clone(mbedtls_sha1_context *dst,
const mbedtls_sha1_context *src ) const mbedtls_sha1_context *src)
{ {
memcpy(dst, src, sizeof(mbedtls_sha1_context)); memcpy(dst, src, sizeof(mbedtls_sha1_context));
} }
@@ -80,11 +80,11 @@ void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
/* /*
* SHA-1 context setup * SHA-1 context setup
*/ */
int mbedtls_sha1_starts( mbedtls_sha1_context *ctx ) int mbedtls_sha1_starts(mbedtls_sha1_context *ctx)
{ {
ctx->total[0] = 0; ctx->total[0] = 0;
ctx->total[1] = 0; ctx->total[1] = 0;
memset( ctx, 0, sizeof( mbedtls_sha1_context ) ); memset(ctx, 0, sizeof(mbedtls_sha1_context));
ctx->mode = SHA1; ctx->mode = SHA1;
return 0; return 0;
@@ -110,7 +110,7 @@ static void esp_internal_sha1_block_process(mbedtls_sha1_context *ctx, const uin
} }
} }
int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] ) int mbedtls_internal_sha1_process(mbedtls_sha1_context *ctx, const unsigned char data[64])
{ {
esp_sha_acquire_hardware(); esp_sha_acquire_hardware();
esp_internal_sha_update_state(ctx); esp_internal_sha_update_state(ctx);
@@ -133,12 +133,12 @@ int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx, const unsigned cha
return 0; return 0;
} }
int mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen ) int mbedtls_sha1_update(mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen)
{ {
size_t fill; size_t fill, left, len;
uint32_t left, len, local_len = 0; uint32_t local_len = 0;
if ( !ilen || (input == NULL)) { if (!ilen || (input == NULL)) {
return 0; return 0;
} }
@@ -148,21 +148,21 @@ int mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input,
ctx->total[0] += (uint32_t) ilen; ctx->total[0] += (uint32_t) ilen;
ctx->total[0] &= 0xFFFFFFFF; ctx->total[0] &= 0xFFFFFFFF;
if ( ctx->total[0] < (uint32_t) ilen ) { if (ctx->total[0] < (uint32_t) ilen) {
ctx->total[1]++; ctx->total[1]++;
} }
if ( left && ilen >= fill ) { if (left && ilen >= fill) {
memcpy( (void *) (ctx->buffer + left), input, fill ); memcpy((void *) (ctx->buffer + left), input, fill);
input += fill; input += fill;
ilen -= fill; ilen -= fill;
left = 0; left = 0;
local_len = 64; local_len = 64;
} }
len = (ilen / 64) * 64; len = SHA_ALIGN_DOWN(ilen , 64);
if ( len || local_len) { if (len || local_len) {
esp_sha_acquire_hardware(); esp_sha_acquire_hardware();
@@ -179,12 +179,12 @@ int mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input,
#endif /* SOC_SHA_SUPPORT_DMA */ #endif /* SOC_SHA_SUPPORT_DMA */
{ {
/* First process buffered block, if any */ /* First process buffered block, if any */
if ( local_len ) { if (local_len) {
esp_internal_sha1_block_process(ctx, ctx->buffer); esp_internal_sha1_block_process(ctx, ctx->buffer);
} }
uint32_t length_processed = 0; uint32_t length_processed = 0;
while ( len - length_processed > 0 ) { while (len - length_processed != 0) {
esp_internal_sha1_block_process(ctx, input + length_processed); esp_internal_sha1_block_process(ctx, input + length_processed);
length_processed += 64; length_processed += 64;
} }
@@ -196,8 +196,8 @@ int mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input,
} }
if ( ilen > 0 ) { if (ilen > 0) {
memcpy( (void *) (ctx->buffer + left), input + len, ilen - len ); memcpy((void *) (ctx->buffer + left), input + len, ilen - len);
} }
return 0; return 0;
} }
@@ -212,28 +212,27 @@ static const unsigned char sha1_padding[64] = {
/* /*
* SHA-1 final digest * SHA-1 final digest
*/ */
int mbedtls_sha1_finish( mbedtls_sha1_context *ctx, unsigned char output[20] ) int mbedtls_sha1_finish(mbedtls_sha1_context *ctx, unsigned char output[20])
{ {
int ret = -1; int ret = -1;
uint32_t last, padn; uint32_t last, padn;
uint32_t high, low; uint32_t high, low;
unsigned char msglen[8]; unsigned char msglen[8];
high = ( ctx->total[0] >> 29 ) high = (ctx->total[0] >> 29)
| ( ctx->total[1] << 3 ); | (ctx->total[1] << 3);
low = ( ctx->total[0] << 3 ); low = (ctx->total[0] << 3);
PUT_UINT32_BE( high, msglen, 0 ); PUT_UINT32_BE(high, msglen, 0);
PUT_UINT32_BE( low, msglen, 4 ); PUT_UINT32_BE(low, msglen, 4);
last = ctx->total[0] & 0x3F; last = ctx->total[0] & 0x3F;
padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); padn = (last < 56) ? (56 - last) : (120 - last);
if ((ret = mbedtls_sha1_update(ctx, sha1_padding, padn)) != 0) {
if ( ( ret = mbedtls_sha1_update( ctx, sha1_padding, padn ) ) != 0 ) {
return ret; return ret;
} }
if ( ( ret = mbedtls_sha1_update( ctx, msglen, 8 ) ) != 0 ) { if ((ret = mbedtls_sha1_update(ctx, msglen, 8)) != 0) {
return ret; return ret;
} }

View File

@@ -36,10 +36,10 @@
#include "sha/sha_core.h" #include "sha/sha_core.h"
/* Implementation that should never be optimized out by the compiler */ /* Implementation that should never be optimized out by the compiler */
static void mbedtls_zeroize( void *v, size_t n ) static void mbedtls_zeroize(void *v, size_t n)
{ {
volatile unsigned char *p = v; volatile unsigned char *p = v;
while ( n-- ) { while (n--) {
*p++ = 0; *p++ = 0;
} }
} }
@@ -50,39 +50,39 @@ static void mbedtls_zeroize( void *v, size_t n )
#ifndef GET_UINT32_BE #ifndef GET_UINT32_BE
#define GET_UINT32_BE(n,b,i) \ #define GET_UINT32_BE(n,b,i) \
do { \ do { \
(n) = ( (uint32_t) (b)[(i) ] << 24 ) \ (n) = ((uint32_t) (b)[(i) ] << 24) \
| ( (uint32_t) (b)[(i) + 1] << 16 ) \ | ((uint32_t) (b)[(i) + 1] << 16) \
| ( (uint32_t) (b)[(i) + 2] << 8 ) \ | ((uint32_t) (b)[(i) + 2] << 8) \
| ( (uint32_t) (b)[(i) + 3] ); \ | ((uint32_t) (b)[(i) + 3] ); \
} while( 0 ) } while(0)
#endif #endif
#ifndef PUT_UINT32_BE #ifndef PUT_UINT32_BE
#define PUT_UINT32_BE(n,b,i) \ #define PUT_UINT32_BE(n,b,i) \
do { \ do { \
(b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ (b)[(i) ] = (unsigned char) ((n) >> 24); \
(b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ (b)[(i) + 1] = (unsigned char) ((n) >> 16); \
(b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ (b)[(i) + 2] = (unsigned char) ((n) >> 8); \
(b)[(i) + 3] = (unsigned char) ( (n) ); \ (b)[(i) + 3] = (unsigned char) ((n) ); \
} while( 0 ) } while(0)
#endif #endif
void mbedtls_sha256_init( mbedtls_sha256_context *ctx ) void mbedtls_sha256_init(mbedtls_sha256_context *ctx)
{ {
memset( ctx, 0, sizeof( mbedtls_sha256_context ) ); memset(ctx, 0, sizeof(mbedtls_sha256_context));
} }
void mbedtls_sha256_free( mbedtls_sha256_context *ctx ) void mbedtls_sha256_free(mbedtls_sha256_context *ctx)
{ {
if ( ctx == NULL ) { if (ctx == NULL) {
return; return;
} }
mbedtls_zeroize( ctx, sizeof( mbedtls_sha256_context ) ); mbedtls_zeroize(ctx, sizeof(mbedtls_sha256_context));
} }
void mbedtls_sha256_clone( mbedtls_sha256_context *dst, void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
const mbedtls_sha256_context *src ) const mbedtls_sha256_context *src)
{ {
*dst = *src; *dst = *src;
} }
@@ -90,11 +90,11 @@ void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
/* /*
* SHA-256 context setup * SHA-256 context setup
*/ */
int mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 ) int mbedtls_sha256_starts(mbedtls_sha256_context *ctx, int is224)
{ {
memset( ctx, 0, sizeof( mbedtls_sha256_context ) ); memset(ctx, 0, sizeof(mbedtls_sha256_context));
if ( is224 ) { if (is224) {
ctx->mode = SHA2_224; ctx->mode = SHA2_224;
} else { } else {
ctx->mode = SHA2_256; ctx->mode = SHA2_256;
@@ -123,7 +123,7 @@ static void esp_internal_sha256_block_process(mbedtls_sha256_context *ctx, const
} }
} }
int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx, const unsigned char data[64] ) int mbedtls_internal_sha256_process(mbedtls_sha256_context *ctx, const unsigned char data[64])
{ {
esp_sha_acquire_hardware(); esp_sha_acquire_hardware();
esp_internal_sha_update_state(ctx); esp_internal_sha_update_state(ctx);
@@ -149,13 +149,13 @@ int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx, const unsigned
/* /*
* SHA-256 process buffer * SHA-256 process buffer
*/ */
int mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *input, int mbedtls_sha256_update(mbedtls_sha256_context *ctx, const unsigned char *input,
size_t ilen ) size_t ilen)
{ {
size_t fill; size_t fill, left, len;
uint32_t left, len, local_len = 0; uint32_t local_len = 0;
if ( ilen == 0 ) { if (ilen == 0) {
return 0; return 0;
} }
@@ -165,13 +165,13 @@ int mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *inp
ctx->total[0] += (uint32_t) ilen; ctx->total[0] += (uint32_t) ilen;
ctx->total[0] &= 0xFFFFFFFF; ctx->total[0] &= 0xFFFFFFFF;
if ( ctx->total[0] < (uint32_t) ilen ) { if (ctx->total[0] < (uint32_t) ilen) {
ctx->total[1]++; ctx->total[1]++;
} }
/* Check if any data pending from previous call to this API */ /* Check if any data pending from previous call to this API */
if ( left && ilen >= fill ) { if (left && ilen >= fill) {
memcpy( (void *) (ctx->buffer + left), input, fill ); memcpy((void *) (ctx->buffer + left), input, fill);
input += fill; input += fill;
ilen -= fill; ilen -= fill;
@@ -179,8 +179,9 @@ int mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *inp
local_len = 64; local_len = 64;
} }
len = (ilen / 64) * 64; len = SHA_ALIGN_DOWN(ilen , 64);
if ( len || local_len) {
if (len || local_len) {
esp_sha_acquire_hardware(); esp_sha_acquire_hardware();
@@ -197,12 +198,12 @@ int mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *inp
#endif /* SOC_SHA_SUPPORT_DMA */ #endif /* SOC_SHA_SUPPORT_DMA */
{ {
/* First process buffered block, if any */ /* First process buffered block, if any */
if ( local_len ) { if (local_len) {
esp_internal_sha256_block_process(ctx, ctx->buffer); esp_internal_sha256_block_process(ctx, ctx->buffer);
} }
uint32_t length_processed = 0; uint32_t length_processed = 0;
while ( len - length_processed > 0 ) { while (len - length_processed != 0) {
esp_internal_sha256_block_process(ctx, input + length_processed); esp_internal_sha256_block_process(ctx, input + length_processed);
length_processed += 64; length_processed += 64;
} }
@@ -213,8 +214,8 @@ int mbedtls_sha256_update( mbedtls_sha256_context *ctx, const unsigned char *inp
esp_sha_release_hardware(); esp_sha_release_hardware();
} }
if ( ilen > 0 ) { if (ilen > 0) {
memcpy( (void *) (ctx->buffer + left), input + len, ilen - len ); memcpy((void *) (ctx->buffer + left), input + len, ilen - len);
} }
return 0; return 0;
@@ -230,28 +231,28 @@ static const unsigned char sha256_padding[64] = {
/* /*
* SHA-256 final digest * SHA-256 final digest
*/ */
int mbedtls_sha256_finish( mbedtls_sha256_context *ctx, unsigned char *output ) int mbedtls_sha256_finish(mbedtls_sha256_context *ctx, unsigned char *output)
{ {
int ret = -1; int ret = -1;
uint32_t last, padn; uint32_t last, padn;
uint32_t high, low; uint32_t high, low;
unsigned char msglen[8]; unsigned char msglen[8];
high = ( ctx->total[0] >> 29 ) high = (ctx->total[0] >> 29)
| ( ctx->total[1] << 3 ); | (ctx->total[1] << 3);
low = ( ctx->total[0] << 3 ); low = (ctx->total[0] << 3);
PUT_UINT32_BE( high, msglen, 0 ); PUT_UINT32_BE(high, msglen, 0);
PUT_UINT32_BE( low, msglen, 4 ); PUT_UINT32_BE(low, msglen, 4);
last = ctx->total[0] & 0x3F; last = ctx->total[0] & 0x3F;
padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); padn = (last < 56) ? (56 - last) : (120 - last);
if ( ( ret = mbedtls_sha256_update( ctx, sha256_padding, padn ) ) != 0 ) { if ((ret = mbedtls_sha256_update(ctx, sha256_padding, padn)) != 0) {
return ret; return ret;
} }
if ( ( ret = mbedtls_sha256_update( ctx, msglen, 8 ) ) != 0 ) { if ((ret = mbedtls_sha256_update(ctx, msglen, 8)) != 0) {
return ret; return ret;
} }

View File

@@ -42,10 +42,10 @@
#include "sha/sha_core.h" #include "sha/sha_core.h"
/* Implementation that should never be optimized out by the compiler */ /* Implementation that should never be optimized out by the compiler */
static void mbedtls_zeroize( void *v, size_t n ) static void mbedtls_zeroize(void *v, size_t n)
{ {
volatile unsigned char *p = v; volatile unsigned char *p = v;
while ( n-- ) { while (n--) {
*p++ = 0; *p++ = 0;
} }
} }
@@ -56,14 +56,14 @@ static void mbedtls_zeroize( void *v, size_t n )
#ifndef PUT_UINT64_BE #ifndef PUT_UINT64_BE
#define PUT_UINT64_BE(n,b,i) \ #define PUT_UINT64_BE(n,b,i) \
{ \ { \
(b)[(i) ] = (unsigned char) ( (n) >> 56 ); \ (b)[(i) ] = (unsigned char) ((n) >> 56); \
(b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \ (b)[(i) + 1] = (unsigned char) ((n) >> 48); \
(b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \ (b)[(i) + 2] = (unsigned char) ((n) >> 40); \
(b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \ (b)[(i) + 3] = (unsigned char) ((n) >> 32); \
(b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \ (b)[(i) + 4] = (unsigned char) ((n) >> 24); \
(b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \ (b)[(i) + 5] = (unsigned char) ((n) >> 16); \
(b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \ (b)[(i) + 6] = (unsigned char) ((n) >> 8); \
(b)[(i) + 7] = (unsigned char) ( (n) ); \ (b)[(i) + 7] = (unsigned char) ((n) ); \
} }
#endif /* PUT_UINT64_BE */ #endif /* PUT_UINT64_BE */
@@ -83,27 +83,27 @@ void esp_sha512_set_mode(mbedtls_sha512_context *ctx, esp_sha_type type)
} }
/* For SHA512/t mode the initial hash value will depend on t */ /* For SHA512/t mode the initial hash value will depend on t */
void esp_sha512_set_t( mbedtls_sha512_context *ctx, uint16_t t_val) void esp_sha512_set_t(mbedtls_sha512_context *ctx, uint16_t t_val)
{ {
ctx->t_val = t_val; ctx->t_val = t_val;
} }
void mbedtls_sha512_init( mbedtls_sha512_context *ctx ) void mbedtls_sha512_init(mbedtls_sha512_context *ctx)
{ {
memset( ctx, 0, sizeof( mbedtls_sha512_context ) ); memset(ctx, 0, sizeof(mbedtls_sha512_context));
} }
void mbedtls_sha512_free( mbedtls_sha512_context *ctx ) void mbedtls_sha512_free(mbedtls_sha512_context *ctx)
{ {
if ( ctx == NULL ) { if (ctx == NULL) {
return; return;
} }
mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) ); mbedtls_zeroize(ctx, sizeof(mbedtls_sha512_context));
} }
void mbedtls_sha512_clone( mbedtls_sha512_context *dst, void mbedtls_sha512_clone(mbedtls_sha512_context *dst,
const mbedtls_sha512_context *src ) const mbedtls_sha512_context *src)
{ {
memcpy(dst, src, sizeof(mbedtls_sha512_context)); memcpy(dst, src, sizeof(mbedtls_sha512_context));
} }
@@ -111,11 +111,11 @@ void mbedtls_sha512_clone( mbedtls_sha512_context *dst,
/* /*
* SHA-512 context setup * SHA-512 context setup
*/ */
int mbedtls_sha512_starts( mbedtls_sha512_context *ctx, int is384 ) int mbedtls_sha512_starts(mbedtls_sha512_context *ctx, int is384)
{ {
mbedtls_zeroize( ctx, sizeof( mbedtls_sha512_context ) ); mbedtls_zeroize(ctx, sizeof(mbedtls_sha512_context));
if ( is384 ) { if (is384) {
ctx->mode = SHA2_384; ctx->mode = SHA2_384;
} else { } else {
ctx->mode = SHA2_512; ctx->mode = SHA2_512;
@@ -154,7 +154,7 @@ static void esp_internal_sha512_block_process(mbedtls_sha512_context *ctx, const
} }
} }
int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, const unsigned char data[128] ) int mbedtls_internal_sha512_process(mbedtls_sha512_context *ctx, const unsigned char data[128])
{ {
int ret = -1; int ret = -1;
@@ -187,27 +187,26 @@ int mbedtls_internal_sha512_process( mbedtls_sha512_context *ctx, const unsigned
/* /*
* SHA-512 process buffer * SHA-512 process buffer
*/ */
int mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *input, int mbedtls_sha512_update(mbedtls_sha512_context *ctx, const unsigned char *input, size_t ilen)
size_t ilen )
{ {
size_t fill; size_t fill, left, len;
unsigned int left, len, local_len = 0; uint32_t local_len = 0;
if ( ilen == 0 ) { if (ilen == 0) {
return 0; return 0;
} }
left = (unsigned int) (ctx->total[0] & 0x7F); left = (size_t) (ctx->total[0] & 0x7F);
fill = 128 - left; fill = 128 - left;
ctx->total[0] += (uint64_t) ilen; ctx->total[0] += (uint64_t) ilen;
if ( ctx->total[0] < (uint64_t) ilen ) { if (ctx->total[0] < (uint64_t) ilen) {
ctx->total[1]++; ctx->total[1]++;
} }
if ( left && ilen >= fill ) { if (left && ilen >= fill) {
memcpy( (void *) (ctx->buffer + left), input, fill ); memcpy((void *) (ctx->buffer + left), input, fill);
input += fill; input += fill;
ilen -= fill; ilen -= fill;
@@ -215,8 +214,9 @@ int mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *inp
local_len = 128; local_len = 128;
} }
len = (ilen / 128) * 128; len = SHA_ALIGN_DOWN(ilen , 128);
if ( len || local_len) {
if (len || local_len) {
esp_sha_acquire_hardware(); esp_sha_acquire_hardware();
@@ -238,12 +238,12 @@ int mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *inp
#endif /* SOC_SHA_SUPPORT_DMA */ #endif /* SOC_SHA_SUPPORT_DMA */
{ {
/* First process buffered block, if any */ /* First process buffered block, if any */
if ( local_len ) { if (local_len) {
esp_internal_sha512_block_process(ctx, ctx->buffer); esp_internal_sha512_block_process(ctx, ctx->buffer);
} }
uint32_t length_processed = 0; uint32_t length_processed = 0;
while ( len - length_processed > 0 ) { while (len - length_processed != 0) {
esp_internal_sha512_block_process(ctx, input + length_processed); esp_internal_sha512_block_process(ctx, input + length_processed);
length_processed += 128; length_processed += 128;
} }
@@ -254,8 +254,8 @@ int mbedtls_sha512_update( mbedtls_sha512_context *ctx, const unsigned char *inp
esp_sha_release_hardware(); esp_sha_release_hardware();
} }
if ( ilen > 0 ) { if (ilen > 0) {
memcpy( (void *) (ctx->buffer + left), input + len, ilen - len ); memcpy((void *) (ctx->buffer + left), input + len, ilen - len);
} }
return 0; return 0;
@@ -275,28 +275,28 @@ static const unsigned char sha512_padding[128] = {
/* /*
* SHA-512 final digest * SHA-512 final digest
*/ */
int mbedtls_sha512_finish( mbedtls_sha512_context *ctx, unsigned char *output ) int mbedtls_sha512_finish(mbedtls_sha512_context *ctx, unsigned char *output)
{ {
int ret = -1; int ret = -1;
size_t last, padn; size_t last, padn;
uint64_t high, low; uint64_t high, low;
unsigned char msglen[16]; unsigned char msglen[16];
high = ( ctx->total[0] >> 61 ) high = (ctx->total[0] >> 61)
| ( ctx->total[1] << 3 ); | (ctx->total[1] << 3);
low = ( ctx->total[0] << 3 ); low = (ctx->total[0] << 3);
PUT_UINT64_BE( high, msglen, 0 ); PUT_UINT64_BE(high, msglen, 0);
PUT_UINT64_BE( low, msglen, 8 ); PUT_UINT64_BE(low, msglen, 8);
last = (size_t)( ctx->total[0] & 0x7F ); last = (size_t)(ctx->total[0] & 0x7F);
padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last ); padn = (last < 112) ? (112 - last) : (240 - last);
if ( ( ret = mbedtls_sha512_update( ctx, sha512_padding, padn ) ) != 0 ) { if ((ret = mbedtls_sha512_update(ctx, sha512_padding, padn)) != 0) {
return ret; return ret;
} }
if ( ( ret = mbedtls_sha512_update( ctx, msglen, 16 ) ) != 0 ) { if ((ret = mbedtls_sha512_update(ctx, msglen, 16)) != 0) {
return ret; return ret;
} }

View File

@@ -37,6 +37,8 @@ extern "C" {
#endif #endif
#endif /* SOC_SHA_SUPPORT_DMA */ #endif /* SOC_SHA_SUPPORT_DMA */
#define SHA_ALIGN_DOWN(num, align) ((num) & ~((align) - 1))
typedef enum { typedef enum {
SHA_BLOCK_MODE, SHA_BLOCK_MODE,
#if SOC_SHA_SUPPORT_DMA #if SOC_SHA_SUPPORT_DMA