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Remove NULL pointer validation in sha256.c

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Signed-off-by: Tuvshinzaya Erdenekhuu <tuvshinzaya.erdenekhuu@arm.com>
This commit is contained in:
Tuvshinzaya Erdenekhuu
2022-08-05 15:59:19 +01:00
parent 6b150ad8fa
commit df2f560316
1 changed files with 0 additions and 19 deletions
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19
library/sha256.c
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@ -159,8 +159,6 @@ static int mbedtls_a64_crypto_sha256_determine_support( void )
void mbedtls_sha256_init( mbedtls_sha256_context *ctx ) void mbedtls_sha256_init( mbedtls_sha256_context *ctx )
{ {
SHA256_VALIDATE( ctx != NULL );
memset( ctx, 0, sizeof( mbedtls_sha256_context ) ); 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, void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
const mbedtls_sha256_context *src ) const mbedtls_sha256_context *src )
{ {
SHA256_VALIDATE( dst != NULL );
SHA256_VALIDATE( src != NULL );
*dst = *src; *dst = *src;
} }
@ -186,8 +181,6 @@ void mbedtls_sha256_clone( mbedtls_sha256_context *dst,
*/ */
int mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 ) int mbedtls_sha256_starts( mbedtls_sha256_context *ctx, int is224 )
{ {
SHA256_VALIDATE_RET( ctx != NULL );
#if defined(MBEDTLS_SHA224_C) #if defined(MBEDTLS_SHA224_C)
SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 ); SHA256_VALIDATE_RET( is224 == 0 || is224 == 1 );
#else #else
@ -427,9 +420,6 @@ int mbedtls_internal_sha256_process_c( mbedtls_sha256_context *ctx,
unsigned int i; unsigned int i;
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]; local.A[i] = ctx->state[i];
@ -579,9 +569,6 @@ int mbedtls_sha256_update( mbedtls_sha256_context *ctx,
size_t fill; size_t fill;
uint32_t left; uint32_t left;
SHA256_VALIDATE_RET( ctx != NULL );
SHA256_VALIDATE_RET( ilen == 0 || input != NULL );
if( ilen == 0 ) if( ilen == 0 )
return( 0 ); return( 0 );
@ -633,9 +620,6 @@ int mbedtls_sha256_finish( mbedtls_sha256_context *ctx,
uint32_t used; uint32_t used;
uint32_t high, low; 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 * 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 ); SHA256_VALIDATE_RET( is224 == 0 );
#endif #endif
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( &ctx, is224 ) ) != 0 ) if( ( ret = mbedtls_sha256_starts( &ctx, is224 ) ) != 0 )