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Add validation is is224 argument in mbedtls_sha256_starts_ret()

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This commit is contained in:
Hanno Becker 2018-12-18 15:00:38 +00:00
parent 230b4f4159
commit 596e014a06
1 changed files with 6 additions and 4 deletions
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10
library/sha256.c
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@ -107,7 +107,8 @@ void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
*/
int mbedtls_sha256_starts_ret( mbedtls_sha256_context *ctx, int is224 )
{
MBEDTLS_SHA256_VALIDATE( ctx != NULL );
MBEDTLS_SHA256_VALIDATE_RET( ctx != NULL );
MBEDTLS_SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
ctx->total[0] = 0;
ctx->total[1] = 0;
@ -277,12 +278,12 @@ int mbedtls_sha256_update_ret( mbedtls_sha256_context *ctx,
size_t fill;
uint32_t left;
MBEDTLS_SHA256_VALIDATE_RET( ctx != NULL );
MBEDTLS_SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
if( ilen == 0 )
return( 0 );
MBEDTLS_SHA256_VALIDATE_RET( ctx != NULL );
MBEDTLS_SHA256_VALIDATE_RET( input != NULL );
left = ctx->total[0] & 0x3F;
fill = 64 - left;
@ -415,6 +416,7 @@ int mbedtls_sha256_ret( const unsigned char *input,
int ret;
mbedtls_sha256_context ctx;
MBEDTLS_SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
MBEDTLS_SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
MBEDTLS_SHA256_VALIDATE_RET( (unsigned char *)output != NULL );