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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-01-11 14:52:35 +01:00
parent 480f683d15
commit 1b6c09a62e
391 changed files with 73134 additions and 75084 deletions
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428
library/sha256.c
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@ -35,31 +35,32 @@
#include "mbedtls/platform.h"
#define SHA256_VALIDATE_RET(cond) \
MBEDTLS_INTERNAL_VALIDATE_RET( cond, MBEDTLS_ERR_SHA256_BAD_INPUT_DATA )
#define SHA256_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE( cond )
MBEDTLS_INTERNAL_VALIDATE_RET(cond, MBEDTLS_ERR_SHA256_BAD_INPUT_DATA)
#define SHA256_VALIDATE(cond) MBEDTLS_INTERNAL_VALIDATE(cond)
#if !defined(MBEDTLS_SHA256_ALT)
void mbedtls_sha256_init( mbedtls_sha256_context *ctx )
void mbedtls_sha256_init(mbedtls_sha256_context *ctx)
{
SHA256_VALIDATE( ctx != NULL );
SHA256_VALIDATE(ctx != NULL);
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;
}
mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha256_context ) );
mbedtls_platform_zeroize(ctx, sizeof(mbedtls_sha256_context));
}
void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
const mbedtls_sha256_context *src )
void mbedtls_sha256_clone(mbedtls_sha256_context *dst,
const mbedtls_sha256_context *src)
{
SHA256_VALIDATE( dst != NULL );
SHA256_VALIDATE( src != NULL );
SHA256_VALIDATE(dst != NULL);
SHA256_VALIDATE(src != NULL);
*dst = *src;
}
@ -67,16 +68,15 @@ void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
/*
* SHA-256 context setup
*/
int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 )
int mbedtls_sha256_starts_ret(mbedtls_sha256_context *ctx, int is224)
{
SHA256_VALIDATE_RET( ctx != NULL );
SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET(is224 == 0 || is224 == 1);
ctx->total[0] = 0;
ctx->total[1] = 0;
if( is224 == 0 )
{
if (is224 == 0) {
/* SHA-256 */
ctx->state[0] = 0x6A09E667;
ctx->state[1] = 0xBB67AE85;
@ -86,9 +86,7 @@ int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 )
ctx->state[5] = 0x9B05688C;
ctx->state[6] = 0x1F83D9AB;
ctx->state[7] = 0x5BE0CD19;
}
else
{
} else {
/* SHA-224 */
ctx->state[0] = 0xC1059ED8;
ctx->state[1] = 0x367CD507;
@ -102,14 +100,14 @@ int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 )
ctx->is224 = is224;
return( 0 );
return 0;
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_sha256_starts( mbedtls_sha256_context *ctx,
int is224 )
void mbedtls_sha256_starts(mbedtls_sha256_context *ctx,
int is224)
{
mbedtls_sha256_starts_ret( ctx, is224 );
mbedtls_sha256_starts_ret(ctx, is224);
}
#endif
@ -134,17 +132,17 @@ static const uint32_t K[] =
0x90BEFFFA, 0xA4506CEB, 0xBEF9A3F7, 0xC67178F2,
};
#define SHR(x,n) (((x) & 0xFFFFFFFF) >> (n))
#define ROTR(x,n) (SHR(x,n) | ((x) << (32 - (n))))
#define SHR(x, n) (((x) & 0xFFFFFFFF) >> (n))
#define ROTR(x, n) (SHR(x, n) | ((x) << (32 - (n))))
#define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3))
#define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10))
#define S0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
#define S1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
#define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22))
#define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25))
#define S2(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define S3(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define F0(x,y,z) (((x) & (y)) | ((z) & ((x) | (y))))
#define F1(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
#define F0(x, y, z) (((x) & (y)) | ((z) & ((x) | (y))))
#define F1(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
#define R(t) \
( \
@ -152,41 +150,41 @@ static const uint32_t K[] =
S0(local.W[(t) - 15]) + local.W[(t) - 16] \
)
#define P(a,b,c,d,e,f,g,h,x,K) \
#define P(a, b, c, d, e, f, g, h, x, K) \
do \
{ \
local.temp1 = (h) + S3(e) + F1((e),(f),(g)) + (K) + (x); \
local.temp2 = S2(a) + F0((a),(b),(c)); \
local.temp1 = (h) + S3(e) + F1((e), (f), (g)) + (K) + (x); \
local.temp2 = S2(a) + F0((a), (b), (c)); \
(d) += local.temp1; (h) = local.temp1 + local.temp2; \
} while( 0 )
} while (0)
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])
{
struct
{
struct {
uint32_t temp1, temp2, W[64];
uint32_t A[8];
} local;
unsigned int i;
SHA256_VALIDATE_RET( ctx != NULL );
SHA256_VALIDATE_RET( (const unsigned char *)data != NULL );
SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET((const unsigned char *) data != NULL);
for( i = 0; i < 8; i++ )
for (i = 0; i < 8; i++) {
local.A[i] = ctx->state[i];
}
#if defined(MBEDTLS_SHA256_SMALLER)
for( i = 0; i < 64; i++ )
{
if( i < 16 )
local.W[i] = MBEDTLS_GET_UINT32_BE( data, 4 * i );
else
R( i );
for (i = 0; i < 64; i++) {
if (i < 16) {
local.W[i] = MBEDTLS_GET_UINT32_BE(data, 4 * i);
} else {
R(i);
}
P( local.A[0], local.A[1], local.A[2], local.A[3], local.A[4],
local.A[5], local.A[6], local.A[7], local.W[i], K[i] );
P(local.A[0], local.A[1], local.A[2], local.A[3], local.A[4],
local.A[5], local.A[6], local.A[7], local.W[i], K[i]);
local.temp1 = local.A[7]; local.A[7] = local.A[6];
local.A[6] = local.A[5]; local.A[5] = local.A[4];
@ -195,64 +193,64 @@ int mbedtls_internal_sha256_process( mbedtls_sha256_context *ctx,
local.A[0] = local.temp1;
}
#else /* MBEDTLS_SHA256_SMALLER */
for( i = 0; i < 16; i++ )
local.W[i] = MBEDTLS_GET_UINT32_BE( data, 4 * i );
for( i = 0; i < 16; i += 8 )
{
P( local.A[0], local.A[1], local.A[2], local.A[3], local.A[4],
local.A[5], local.A[6], local.A[7], local.W[i+0], K[i+0] );
P( local.A[7], local.A[0], local.A[1], local.A[2], local.A[3],
local.A[4], local.A[5], local.A[6], local.W[i+1], K[i+1] );
P( local.A[6], local.A[7], local.A[0], local.A[1], local.A[2],
local.A[3], local.A[4], local.A[5], local.W[i+2], K[i+2] );
P( local.A[5], local.A[6], local.A[7], local.A[0], local.A[1],
local.A[2], local.A[3], local.A[4], local.W[i+3], K[i+3] );
P( local.A[4], local.A[5], local.A[6], local.A[7], local.A[0],
local.A[1], local.A[2], local.A[3], local.W[i+4], K[i+4] );
P( local.A[3], local.A[4], local.A[5], local.A[6], local.A[7],
local.A[0], local.A[1], local.A[2], local.W[i+5], K[i+5] );
P( local.A[2], local.A[3], local.A[4], local.A[5], local.A[6],
local.A[7], local.A[0], local.A[1], local.W[i+6], K[i+6] );
P( local.A[1], local.A[2], local.A[3], local.A[4], local.A[5],
local.A[6], local.A[7], local.A[0], local.W[i+7], K[i+7] );
for (i = 0; i < 16; i++) {
local.W[i] = MBEDTLS_GET_UINT32_BE(data, 4 * i);
}
for( i = 16; i < 64; i += 8 )
{
P( local.A[0], local.A[1], local.A[2], local.A[3], local.A[4],
local.A[5], local.A[6], local.A[7], R(i+0), K[i+0] );
P( local.A[7], local.A[0], local.A[1], local.A[2], local.A[3],
local.A[4], local.A[5], local.A[6], R(i+1), K[i+1] );
P( local.A[6], local.A[7], local.A[0], local.A[1], local.A[2],
local.A[3], local.A[4], local.A[5], R(i+2), K[i+2] );
P( local.A[5], local.A[6], local.A[7], local.A[0], local.A[1],
local.A[2], local.A[3], local.A[4], R(i+3), K[i+3] );
P( local.A[4], local.A[5], local.A[6], local.A[7], local.A[0],
local.A[1], local.A[2], local.A[3], R(i+4), K[i+4] );
P( local.A[3], local.A[4], local.A[5], local.A[6], local.A[7],
local.A[0], local.A[1], local.A[2], R(i+5), K[i+5] );
P( local.A[2], local.A[3], local.A[4], local.A[5], local.A[6],
local.A[7], local.A[0], local.A[1], R(i+6), K[i+6] );
P( local.A[1], local.A[2], local.A[3], local.A[4], local.A[5],
local.A[6], local.A[7], local.A[0], R(i+7), K[i+7] );
for (i = 0; i < 16; i += 8) {
P(local.A[0], local.A[1], local.A[2], local.A[3], local.A[4],
local.A[5], local.A[6], local.A[7], local.W[i+0], K[i+0]);
P(local.A[7], local.A[0], local.A[1], local.A[2], local.A[3],
local.A[4], local.A[5], local.A[6], local.W[i+1], K[i+1]);
P(local.A[6], local.A[7], local.A[0], local.A[1], local.A[2],
local.A[3], local.A[4], local.A[5], local.W[i+2], K[i+2]);
P(local.A[5], local.A[6], local.A[7], local.A[0], local.A[1],
local.A[2], local.A[3], local.A[4], local.W[i+3], K[i+3]);
P(local.A[4], local.A[5], local.A[6], local.A[7], local.A[0],
local.A[1], local.A[2], local.A[3], local.W[i+4], K[i+4]);
P(local.A[3], local.A[4], local.A[5], local.A[6], local.A[7],
local.A[0], local.A[1], local.A[2], local.W[i+5], K[i+5]);
P(local.A[2], local.A[3], local.A[4], local.A[5], local.A[6],
local.A[7], local.A[0], local.A[1], local.W[i+6], K[i+6]);
P(local.A[1], local.A[2], local.A[3], local.A[4], local.A[5],
local.A[6], local.A[7], local.A[0], local.W[i+7], K[i+7]);
}
for (i = 16; i < 64; i += 8) {
P(local.A[0], local.A[1], local.A[2], local.A[3], local.A[4],
local.A[5], local.A[6], local.A[7], R(i+0), K[i+0]);
P(local.A[7], local.A[0], local.A[1], local.A[2], local.A[3],
local.A[4], local.A[5], local.A[6], R(i+1), K[i+1]);
P(local.A[6], local.A[7], local.A[0], local.A[1], local.A[2],
local.A[3], local.A[4], local.A[5], R(i+2), K[i+2]);
P(local.A[5], local.A[6], local.A[7], local.A[0], local.A[1],
local.A[2], local.A[3], local.A[4], R(i+3), K[i+3]);
P(local.A[4], local.A[5], local.A[6], local.A[7], local.A[0],
local.A[1], local.A[2], local.A[3], R(i+4), K[i+4]);
P(local.A[3], local.A[4], local.A[5], local.A[6], local.A[7],
local.A[0], local.A[1], local.A[2], R(i+5), K[i+5]);
P(local.A[2], local.A[3], local.A[4], local.A[5], local.A[6],
local.A[7], local.A[0], local.A[1], R(i+6), K[i+6]);
P(local.A[1], local.A[2], local.A[3], local.A[4], local.A[5],
local.A[6], local.A[7], local.A[0], R(i+7), K[i+7]);
}
#endif /* MBEDTLS_SHA256_SMALLER */
for( i = 0; i < 8; i++ )
for (i = 0; i < 8; i++) {
ctx->state[i] += local.A[i];
}
/* Zeroise buffers and variables to clear sensitive data from memory. */
mbedtls_platform_zeroize( &local, sizeof( local ) );
mbedtls_platform_zeroize(&local, sizeof(local));
return( 0 );
return 0;
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_sha256_process( mbedtls_sha256_context *ctx,
const unsigned char data[64] )
void mbedtls_sha256_process(mbedtls_sha256_context *ctx,
const unsigned char data[64])
{
mbedtls_internal_sha256_process( ctx, data );
mbedtls_internal_sha256_process(ctx, data);
}
#endif
#endif /* !MBEDTLS_SHA256_PROCESS_ALT */
@ -260,19 +258,20 @@ void mbedtls_sha256_process( mbedtls_sha256_context *ctx,
/*
* SHA-256 process buffer
*/
int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
const unsigned char *input,
size_t ilen )
int mbedtls_sha256_update_ret(mbedtls_sha256_context *ctx,
const unsigned char *input,
size_t ilen)
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
size_t fill;
uint32_t left;
SHA256_VALIDATE_RET( ctx != NULL );
SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET(ilen == 0 || input != NULL);
if( ilen == 0 )
return( 0 );
if (ilen == 0) {
return 0;
}
left = ctx->total[0] & 0x3F;
fill = 64 - left;
@ -280,57 +279,59 @@ int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
ctx->total[0] += (uint32_t) ilen;
ctx->total[0] &= 0xFFFFFFFF;
if( ctx->total[0] < (uint32_t) ilen )
if (ctx->total[0] < (uint32_t) ilen) {
ctx->total[1]++;
}
if( left && ilen >= fill )
{
memcpy( (void *) (ctx->buffer + left), input, fill );
if (left && ilen >= fill) {
memcpy((void *) (ctx->buffer + left), input, fill);
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )
return( ret );
if ((ret = mbedtls_internal_sha256_process(ctx, ctx->buffer)) != 0) {
return ret;
}
input += fill;
ilen -= fill;
left = 0;
}
while( ilen >= 64 )
{
if( ( ret = mbedtls_internal_sha256_process( ctx, input ) ) != 0 )
return( ret );
while (ilen >= 64) {
if ((ret = mbedtls_internal_sha256_process(ctx, input)) != 0) {
return ret;
}
input += 64;
ilen -= 64;
}
if( ilen > 0 )
memcpy( (void *) (ctx->buffer + left), input, ilen );
if (ilen > 0) {
memcpy((void *) (ctx->buffer + left), input, ilen);
}
return( 0 );
return 0;
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_sha256_update( mbedtls_sha256_context *ctx,
const unsigned char *input,
size_t ilen )
void mbedtls_sha256_update(mbedtls_sha256_context *ctx,
const unsigned char *input,
size_t ilen)
{
mbedtls_sha256_update_ret( ctx, input, ilen );
mbedtls_sha256_update_ret(ctx, input, ilen);
}
#endif
/*
* SHA-256 final digest
*/
int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
unsigned char output[32] )
int mbedtls_sha256_finish_ret(mbedtls_sha256_context *ctx,
unsigned char output[32])
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
uint32_t used;
uint32_t high, low;
SHA256_VALIDATE_RET( ctx != NULL );
SHA256_VALIDATE_RET( (unsigned char *)output != NULL );
SHA256_VALIDATE_RET(ctx != NULL);
SHA256_VALIDATE_RET((unsigned char *) output != NULL);
/*
* Add padding: 0x80 then 0x00 until 8 bytes remain for the length
@ -339,57 +340,57 @@ int mbedtls_sha256_finish_ret( mbedtls_sha256_context *ctx,
ctx->buffer[used++] = 0x80;
if( used <= 56 )
{
if (used <= 56) {
/* Enough room for padding + length in current block */
memset( ctx->buffer + used, 0, 56 - used );
}
else
{
memset(ctx->buffer + used, 0, 56 - used);
} else {
/* We'll need an extra block */
memset( ctx->buffer + used, 0, 64 - used );
memset(ctx->buffer + used, 0, 64 - used);
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )
return( ret );
if ((ret = mbedtls_internal_sha256_process(ctx, ctx->buffer)) != 0) {
return ret;
}
memset( ctx->buffer, 0, 56 );
memset(ctx->buffer, 0, 56);
}
/*
* Add message length
*/
high = ( ctx->total[0] >> 29 )
| ( ctx->total[1] << 3 );
low = ( ctx->total[0] << 3 );
high = (ctx->total[0] >> 29)
| (ctx->total[1] << 3);
low = (ctx->total[0] << 3);
MBEDTLS_PUT_UINT32_BE( high, ctx->buffer, 56 );
MBEDTLS_PUT_UINT32_BE( low, ctx->buffer, 60 );
MBEDTLS_PUT_UINT32_BE(high, ctx->buffer, 56);
MBEDTLS_PUT_UINT32_BE(low, ctx->buffer, 60);
if( ( ret = mbedtls_internal_sha256_process( ctx, ctx->buffer ) ) != 0 )
return( ret );
if ((ret = mbedtls_internal_sha256_process(ctx, ctx->buffer)) != 0) {
return ret;
}
/*
* Output final state
*/
MBEDTLS_PUT_UINT32_BE( ctx->state[0], output, 0 );
MBEDTLS_PUT_UINT32_BE( ctx->state[1], output, 4 );
MBEDTLS_PUT_UINT32_BE( ctx->state[2], output, 8 );
MBEDTLS_PUT_UINT32_BE( ctx->state[3], output, 12 );
MBEDTLS_PUT_UINT32_BE( ctx->state[4], output, 16 );
MBEDTLS_PUT_UINT32_BE( ctx->state[5], output, 20 );
MBEDTLS_PUT_UINT32_BE( ctx->state[6], output, 24 );
MBEDTLS_PUT_UINT32_BE(ctx->state[0], output, 0);
MBEDTLS_PUT_UINT32_BE(ctx->state[1], output, 4);
MBEDTLS_PUT_UINT32_BE(ctx->state[2], output, 8);
MBEDTLS_PUT_UINT32_BE(ctx->state[3], output, 12);
MBEDTLS_PUT_UINT32_BE(ctx->state[4], output, 16);
MBEDTLS_PUT_UINT32_BE(ctx->state[5], output, 20);
MBEDTLS_PUT_UINT32_BE(ctx->state[6], output, 24);
if( ctx->is224 == 0 )
MBEDTLS_PUT_UINT32_BE( ctx->state[7], output, 28 );
if (ctx->is224 == 0) {
MBEDTLS_PUT_UINT32_BE(ctx->state[7], output, 28);
}
return( 0 );
return 0;
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
unsigned char output[32] )
void mbedtls_sha256_finish(mbedtls_sha256_context *ctx,
unsigned char output[32])
{
mbedtls_sha256_finish_ret( ctx, output );
mbedtls_sha256_finish_ret(ctx, output);
}
#endif
@ -398,42 +399,45 @@ void mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
/*
* output = SHA-256( input buffer )
*/
int mbedtls_sha256_ret( const unsigned char *input,
size_t ilen,
unsigned char output[32],
int is224 )
int mbedtls_sha256_ret(const unsigned char *input,
size_t ilen,
unsigned char output[32],
int is224)
{
int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
mbedtls_sha256_context ctx;
SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
SHA256_VALIDATE_RET( (unsigned char *)output != NULL );
SHA256_VALIDATE_RET(is224 == 0 || is224 == 1);
SHA256_VALIDATE_RET(ilen == 0 || input != NULL);
SHA256_VALIDATE_RET((unsigned char *) output != NULL);
mbedtls_sha256_init( &ctx );
mbedtls_sha256_init(&ctx);
if( ( ret = mbedtls_sha256_starts_ret( &ctx, is224 ) ) != 0 )
if ((ret = mbedtls_sha256_starts_ret(&ctx, is224)) != 0) {
goto exit;
}
if( ( ret = mbedtls_sha256_update_ret( &ctx, input, ilen ) ) != 0 )
if ((ret = mbedtls_sha256_update_ret(&ctx, input, ilen)) != 0) {
goto exit;
}
if( ( ret = mbedtls_sha256_finish_ret( &ctx, output ) ) != 0 )
if ((ret = mbedtls_sha256_finish_ret(&ctx, output)) != 0) {
goto exit;
}
exit:
mbedtls_sha256_free( &ctx );
mbedtls_sha256_free(&ctx);
return( ret );
return ret;
}
#if !defined(MBEDTLS_DEPRECATED_REMOVED)
void mbedtls_sha256( const unsigned char *input,
size_t ilen,
unsigned char output[32],
int is224 )
void mbedtls_sha256(const unsigned char *input,
size_t ilen,
unsigned char output[32],
int is224)
{
mbedtls_sha256_ret( input, ilen, output, is224 );
mbedtls_sha256_ret(input, ilen, output, is224);
}
#endif
@ -491,83 +495,85 @@ static const unsigned char sha256_test_sum[6][32] =
/*
* Checkup routine
*/
int mbedtls_sha256_self_test( int verbose )
int mbedtls_sha256_self_test(int verbose)
{
int i, j, k, buflen, ret = 0;
unsigned char *buf;
unsigned char sha256sum[32];
mbedtls_sha256_context ctx;
buf = mbedtls_calloc( 1024, sizeof(unsigned char) );
if( NULL == buf )
{
if( verbose != 0 )
mbedtls_printf( "Buffer allocation failed\n" );
buf = mbedtls_calloc(1024, sizeof(unsigned char));
if (NULL == buf) {
if (verbose != 0) {
mbedtls_printf("Buffer allocation failed\n");
}
return( 1 );
return 1;
}
mbedtls_sha256_init( &ctx );
mbedtls_sha256_init(&ctx);
for( i = 0; i < 6; i++ )
{
for (i = 0; i < 6; i++) {
j = i % 3;
k = i < 3;
if( verbose != 0 )
mbedtls_printf( " SHA-%d test #%d: ", 256 - k * 32, j + 1 );
if (verbose != 0) {
mbedtls_printf(" SHA-%d test #%d: ", 256 - k * 32, j + 1);
}
if( ( ret = mbedtls_sha256_starts_ret( &ctx, k ) ) != 0 )
if ((ret = mbedtls_sha256_starts_ret(&ctx, k)) != 0) {
goto fail;
}
if( j == 2 )
{
memset( buf, 'a', buflen = 1000 );
if (j == 2) {
memset(buf, 'a', buflen = 1000);
for( j = 0; j < 1000; j++ )
{
ret = mbedtls_sha256_update_ret( &ctx, buf, buflen );
if( ret != 0 )
for (j = 0; j < 1000; j++) {
ret = mbedtls_sha256_update_ret(&ctx, buf, buflen);
if (ret != 0) {
goto fail;
}
}
}
else
{
ret = mbedtls_sha256_update_ret( &ctx, sha256_test_buf[j],
sha256_test_buflen[j] );
if( ret != 0 )
goto fail;
} else {
ret = mbedtls_sha256_update_ret(&ctx, sha256_test_buf[j],
sha256_test_buflen[j]);
if (ret != 0) {
goto fail;
}
}
if( ( ret = mbedtls_sha256_finish_ret( &ctx, sha256sum ) ) != 0 )
if ((ret = mbedtls_sha256_finish_ret(&ctx, sha256sum)) != 0) {
goto fail;
}
if( memcmp( sha256sum, sha256_test_sum[i], 32 - k * 4 ) != 0 )
{
if (memcmp(sha256sum, sha256_test_sum[i], 32 - k * 4) != 0) {
ret = 1;
goto fail;
}
if( verbose != 0 )
mbedtls_printf( "passed\n" );
if (verbose != 0) {
mbedtls_printf("passed\n");
}
}
if( verbose != 0 )
mbedtls_printf( "\n" );
if (verbose != 0) {
mbedtls_printf("\n");
}
goto exit;
fail:
if( verbose != 0 )
mbedtls_printf( "failed\n" );
if (verbose != 0) {
mbedtls_printf("failed\n");
}
exit:
mbedtls_sha256_free( &ctx );
mbedtls_free( buf );
mbedtls_sha256_free(&ctx);
mbedtls_free(buf);
return( ret );
return ret;
}
#endif /* MBEDTLS_SELF_TEST */