diff --git a/src/meta/.phpstorm.meta.php b/src/meta/.phpstorm.meta.php
new file mode 100755
index 0000000..55ffb24
--- /dev/null
+++ b/src/meta/.phpstorm.meta.php
@@ -0,0 +1,18 @@
+<?php
+
+namespace PHPSTORM_META {
+	expectedArguments(
+		\CPAlgorithm::set_KeyLength(), 0,
+		ENCRYPTION_KEY_LENGTH_MAXIMUM | ENCRYPTION_KEY_LENGTH_40_BITS
+		| ENCRYPTION_KEY_LENGTH_56_BITS | ENCRYPTION_KEY_LENGTH_128_BITS
+		| ENCRYPTION_KEY_LENGTH_192_BITS | ENCRYPTION_KEY_LENGTH_256_BITS
+	);
+
+	expectedArguments(
+		\CPAlgorithm::set_Name(), 0,
+		CADESCOM_ENCRYPTION_ALGORITHM_RC2 | CADESCOM_ENCRYPTION_ALGORITHM_RC4
+		| CADESCOM_ENCRYPTION_ALGORITHM_DES | CADESCOM_ENCRYPTION_ALGORITHM_3DES
+		| CADESCOM_ENCRYPTION_ALGORITHM_AES
+		| CADESCOM_ENCRYPTION_ALGORITHM_GOST_28147_89
+	);
+}