Add PHP Extension for GmSSL

View http://gmssl.org/docs/php-api.html for more info.

php/ext/openssl/tests/bug37820.phpt

@@ -0,0 +1,36 @@
+--TEST--
+openssl_sign/verify: accept different algos 
+--SKIPIF--
+<?php 
+if (!extension_loaded("openssl")) die("skip");
+if (OPENSSL_VERSION_NUMBER < 0x009070af) die("skip");
+?>
+--FILE--
+<?php 
+$dir = dirname(__FILE__);
+$file_pub = $dir . '/bug37820cert.pem';
+$file_key = $dir . '/bug37820key.pem';
+
+$priv_key = file_get_contents($file_key);
+$priv_key_id = openssl_get_privatekey($priv_key);
+
+
+
+$pub_key = file_get_contents($file_pub);
+$pub_key_id = openssl_get_publickey($pub_key);
+$data = "some custom data";
+if (!openssl_sign($data, $signature, $priv_key_id, OPENSSL_ALGO_MD5)) {
+	echo "openssl_sign failed.";
+}
+
+$ok = openssl_verify($data, $signature, $pub_key_id, OPENSSL_ALGO_MD5);
+if ($ok == 1) {
+   echo "Ok";
+} elseif ($ok == 0) {
+   echo "openssl_verify failed.";
+}
+
+
+?>
+--EXPECTF--
+Ok