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aria: use mbedtls_zeroize()

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This commit is contained in:
Manuel Pégourié-Gonnard 2018-02-21 10:08:31 +01:00
parent c76ceb677b
commit 56453937a1
1 changed files with 6 additions and 2 deletions
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8
library/aria.c
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@ -48,6 +48,11 @@
#if !defined(MBEDTLS_ARIA_ALT) #if !defined(MBEDTLS_ARIA_ALT)
/* Implementation that should never be optimized out by the compiler */
static void mbedtls_zeroize( void *v, size_t n ) {
volatile unsigned char *p = (unsigned char*)v; while( n-- ) *p++ = 0;
}
// 32-bit integer manipulation macros (little endian) // 32-bit integer manipulation macros (little endian)
#ifndef GET_UINT32_LE #ifndef GET_UINT32_LE
@ -489,8 +494,7 @@ void mbedtls_aria_free( mbedtls_aria_context *ctx )
if( ctx == NULL ) if( ctx == NULL )
return; return;
// compiler can't remove this since this is not a static function mbedtls_zeroize( ctx, sizeof( mbedtls_aria_context ) );
memset( ctx, 0, sizeof( mbedtls_aria_context ) );
} }
#if defined(MBEDTLS_CIPHER_MODE_CBC) #if defined(MBEDTLS_CIPHER_MODE_CBC)