Add PHP Extension for GmSSL

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

php/ext/openssl/tests/openssl_decrypt_ccm.phpt

@@ -0,0 +1,41 @@
+--TEST--
+openssl_decrypt() with CCM cipher algorithm tests
+--SKIPIF--
+<?php
+if (!extension_loaded("openssl"))
+	die("skip");
+if (!in_array('aes-256-ccm', openssl_get_cipher_methods()))
+	die("skip: aes-256-ccm not available");
+?>
+--FILE--
+<?php
+require_once __DIR__ . "/cipher_tests.inc";
+$method = 'aes-256-ccm';
+$tests = openssl_get_cipher_tests($method);
+
+foreach ($tests as $idx => $test) {
+	echo "TEST $idx\n";
+	$pt = openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
+		$test['iv'], $test['tag'], $test['aad']);
+	var_dump($test['pt'] === $pt);
+}
+
+// no IV
+var_dump(openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
+	NULL, $test['tag'], $test['aad']));
+// failed because no AAD
+var_dump(openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
+	$test['iv'], $test['tag']));
+// failed because wrong tag
+var_dump(openssl_decrypt($test['ct'], $method, $test['key'], OPENSSL_RAW_DATA,
+	$test['iv'], str_repeat('x', 10), $test['aad']));
+
+?>
+--EXPECTF--
+TEST 0
+bool(true)
+
+Warning: openssl_decrypt(): Setting of IV length for AEAD mode failed in %s on line %d
+bool(false)
+bool(false)
+bool(false)