Add comment in entropy.c

This commit is contained in:
Andres Amaya Garcia 2017-07-20 16:45:24 +01:00
parent 3395250f5f
commit b2b063ff35

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@ -366,6 +366,11 @@ int mbedtls_entropy_func( void *data, unsigned char *output, size_t len )
memset( buf, 0, MBEDTLS_ENTROPY_BLOCK_SIZE ); memset( buf, 0, MBEDTLS_ENTROPY_BLOCK_SIZE );
#if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR) #if defined(MBEDTLS_ENTROPY_SHA512_ACCUMULATOR)
/*
* Note that at this stage it is assumed that the accumulator was started
* in a previous call to entropy_update(). If this is not guaranteed, the
* code below will fail.
*/
if( ( ret = mbedtls_sha512_finish_ext( &ctx->accumulator, buf ) ) != 0 ) if( ( ret = mbedtls_sha512_finish_ext( &ctx->accumulator, buf ) ) != 0 )
goto exit; goto exit;