use mbedtls_zeroize instead of memset(xxx,0,xxx)

adustm · adustm · commit 2af62944cf0e · 2017-03-20T11:18:38.000+01:00
diff --git a/features/mbedtls/targets/TARGET_STM/sha1_alt.c b/features/mbedtls/targets/TARGET_STM/sha1_alt.c
@@ -28,7 +28,7 @@ static void mbedtls_zeroize( void *v, size_t n ) {
 
 void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
 {
-    memset( ctx, 0, sizeof( mbedtls_sha1_context ) );	
+    mbedtls_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
 
     /* Enable HASH clock */
     __HAL_RCC_HASH_CLK_ENABLE();

Original file line number	Diff line number	Diff line change
`@@ -28,7 +28,7 @@ static void mbedtls_zeroize( void *v, size_t n ) {`
`28`	`28`
`29`	`29`	`void mbedtls_sha1_init( mbedtls_sha1_context *ctx )`
`30`	`30`	`{`
`31`		`- memset( ctx, 0, sizeof( mbedtls_sha1_context ) );`
	`31`	`+ mbedtls_zeroize( ctx, sizeof( mbedtls_sha1_context ) );`
`32`	`32`
`33`	`33`	`/* Enable HASH clock */`
`34`	`34`	`__HAL_RCC_HASH_CLK_ENABLE();`