com php-src: Securely zero the hash context key: ext/hash/hash.c

Commit:    bf0f53270f3deaf53b887fbd90971d9789dc9311
Author:    Sara Golemon <[email protected]>         Mon, 30 Jan 2017 08:57:17 -0800
Parents:   368958b3e4ad341da02c901bfd58296d55d91605
Branches:  PHP-7.0 PHP-7.1 master

Link:       http://git.php.net/?p=php-src.git;a=commitdiff;h=bf0f53270f3deaf53b887fbd90971d9789dc9311

Log:
Securely zero the hash context key

Changed paths:
  M  ext/hash/hash.c


Diff:
diff --git a/ext/hash/hash.c b/ext/hash/hash.c
index 0b05d28..59d2fbf 100644
--- a/ext/hash/hash.c
+++ b/ext/hash/hash.c
@@ -783,7 +783,7 @@ static void php_hash_dtor(zend_resource *rsrc) /* {{{ */
 	}
 
 	if (hash->key) {
-		memset(hash->key, 0, hash->ops->block_size);
+		ZEND_SECURE_ZERO(hash->key, hash->ops->block_size);
 		efree(hash->key);
 	}
 	efree(hash);