Add an initial openssl encrypt GCM test

2 files changed, 60 insertions, 0 deletions

diff --git a/ext/openssl/tests/cipher_tests.inc b/ext/openssl/tests/cipher_tests.inc
new file mode 100644
index 0000000000..41240a594c
--- /dev/null
+++ b/ext/openssl/tests/cipher_tests.inc
@@ -0,0 +1,32 @@
+<?php
+$php_openssl_cipher_tests = array(
+	'aes-128-gcm' => array(
+		array(
+			'key' => '00000000000000000000000000000000',
+			'iv'  => '000000000000000000000000',
+			'tag' => 'ab6e47d42cec13bdf53a67b21257bddf',
+			'pt'  => '00000000000000000000000000000000',
+			'ct'  => '0388dace60b6a392f328c2b971b2fe78',
+		),
+	)
+);
+
+function openssl_get_cipher_tests($method)
+{
+	global $php_openssl_cipher_tests;
+
+	$tests = array();
+
+	foreach ($php_openssl_cipher_tests[$method] as $instance) {
+		$test = array();
+		foreach ($instance as $field_name => $field_value) {
+			$test[$field_name] = pack("H*", $field_value);
+		}
+		if (!isset($test['aad'])) {
+			$test['aad'] = "";
+		}
+		$tests[] = $test;
+	}
+
+	return $tests;
+}
diff --git a/ext/openssl/tests/openssl_encrypt_gcm.phpt b/ext/openssl/tests/openssl_encrypt_gcm.phpt
new file mode 100644
index 0000000000..e1309f3a79
--- /dev/null
+++ b/ext/openssl/tests/openssl_encrypt_gcm.phpt
@@ -0,0 +1,28 @@
+--TEST--
+openssl_encrypt() with GCM cipher algorithm tests
+--SKIPIF--
+<?php
+if (!extension_loaded("openssl"))
+	die("skip");
+if (!in_array('aes-128-gcm', openssl_get_cipher_methods()))
+	die("skip: aes-128-gcm not available");
+?>
+--FILE--
+<?php
+require_once __DIR__ . "/cipher_tests.inc";
+$method = 'aes-128-gcm';
+$tests = openssl_get_cipher_tests($method);
+
+foreach ($tests as $idx => $test) {
+	echo "TEST $idx\n";
+	$ct = openssl_encrypt($test['pt'], $method, $test['key'], OPENSSL_RAW_DATA,
+		$test['iv'], $tag, $test['aad'], strlen($test['tag']));
+	var_dump($test['ct'] === $ct);
+	var_dump($test['tag'] === $tag);
+}
+
+?>
+--EXPECT--
+TEST 0
+bool(true)
+bool(true)