Remove NULL pointer validation in sha256.c
@@ -159,8 +159,6 @@ static int mbedtls_a64_crypto_sha256_determine_support( void )
void mbedtls_sha256_init( mbedtls_sha256_context *ctx )
{
- SHA256_VALIDATE( ctx != NULL );
-
memset( ctx, 0, sizeof( mbedtls_sha256_context ) );
}
@@ -175,9 +173,6 @@ void mbedtls_sha256_free( mbedtls_sha256_context *ctx )
void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
const mbedtls_sha256_context *src )
{
- SHA256_VALIDATE( dst != NULL );
- SHA256_VALIDATE( src != NULL );
-
*dst = *src;
}
@@ -186,8 +181,6 @@ void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
*/
int mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 )
{
- SHA256_VALIDATE_RET( ctx != NULL );
-
#if defined(MBEDTLS_SHA224_C)
SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
#else
@@ -427,9 +420,6 @@ int mbedtls_internal_sha256_process_c( mbedtls_sha256_context *ctx,
unsigned int i;
- SHA256_VALIDATE_RET( ctx != NULL );
- SHA256_VALIDATE_RET( (const unsigned char *)data != NULL );
-
for( i = 0; i < 8; i++ )
local.A[i] = ctx->state[i];
@@ -579,9 +569,6 @@ int mbedtls_sha256_update( mbedtls_sha256_context *ctx,
size_t fill;
uint32_t left;
- SHA256_VALIDATE_RET( ctx != NULL );
- SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
-
if( ilen == 0 )
return( 0 );
@@ -633,9 +620,6 @@ int mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
uint32_t used;
uint32_t high, low;
- SHA256_VALIDATE_RET( ctx != NULL );
- SHA256_VALIDATE_RET( (unsigned char *)output != NULL );
-
/*
* Add padding: 0x80 then 0x00 until 8 bytes remain for the length
*/
@@ -710,9 +694,6 @@ int mbedtls_sha256( const unsigned char *input,
SHA256_VALIDATE_RET( is224 == 0 );
#endif
- SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
- SHA256_VALIDATE_RET( (unsigned char *)output != NULL );
-
mbedtls_sha256_init( &ctx );
if( ( ret = mbedtls_sha256_starts( &ctx, is224 ) ) != 0 )
