Ensure that mbedtls_pk_parse_key() does not allocate 0 bytes

This commit is contained in:
Andres Amaya Garcia 2018-01-23 20:03:52 +00:00
parent af77213b72
commit 133ab2c8ee

View File

@ -1210,6 +1210,9 @@ int mbedtls_pk_parse_key( mbedtls_pk_context *pk,
{
unsigned char *key_copy;
if( keylen == 0 )
return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
if( ( key_copy = mbedtls_calloc( 1, keylen ) ) == NULL )
return( MBEDTLS_ERR_PK_ALLOC_FAILED );