1 files changed, 13 insertions, 14 deletions
diff --git a/apps/encryption/lib/crypto/crypt.php b/apps/encryption/lib/crypto/crypt.php
index c0dcc936bdf..dbc0364a157 100644
--- a/apps/encryption/lib/crypto/crypt.php
+++ b/apps/encryption/lib/crypto/crypt.php
@@ -34,7 +34,6 @@ use OCA\Encryption\Vendor\PBKDF2Fallback;
 use OCP\Encryption\Exceptions\GenericEncryptionException;
 use OCP\IConfig;
 use OCP\ILogger;
-use OCP\IUser;
 use OCP\IUserSession;
 
 class Crypt {
@@ -146,7 +145,7 @@ class Crypt {
 	/**
 	 * @param string $plainContent
 	 * @param string $passPhrase
-	 * @return bool|string
+	 * @return false|string
 	 * @throws GenericEncryptionException
 	 */
 	public function symmetricEncryptFileContent($plainContent, $passPhrase) {
@@ -273,7 +272,7 @@ class Crypt {
 	}
 
 	/**
-	 * @param $data
+	 * @param string $data
 	 * @return string
 	 */
 	private function addPadding($data) {
@@ -326,7 +325,7 @@ class Crypt {
 	 * @param string $privateKey
 	 * @param string $password
 	 * @param string $uid for regular users, empty for system keys
-	 * @return bool|string
+	 * @return false|string
 	 */
 	public function encryptPrivateKey($privateKey, $password, $uid = '') {
 		$cipher = $this->getCipher();
@@ -343,7 +342,7 @@ class Crypt {
 	 * @param string $privateKey
 	 * @param string $password
 	 * @param string $uid for regular users, empty for system keys
-	 * @return bool|string
+	 * @return false|string
 	 */
 	public function decryptPrivateKey($privateKey, $password = '', $uid = '') {
 
@@ -386,7 +385,7 @@ class Crypt {
 	/**
 	 * check if it is a valid private key
 	 *
-	 * @param $plainKey
+	 * @param string $plainKey
 	 * @return bool
 	 */
 	protected function isValidPrivateKey($plainKey) {
@@ -402,7 +401,7 @@ class Crypt {
 	}
 
 	/**
-	 * @param $keyFileContents
+	 * @param string $keyFileContents
 	 * @param string $passPhrase
 	 * @param string $cipher
 	 * @return string
@@ -424,7 +423,7 @@ class Crypt {
 	 * remove padding
 	 *
 	 * @param $padded
-	 * @return bool|string
+	 * @return string|false
 	 */
 	private function removePadding($padded) {
 		if (substr($padded, -2) === 'xx') {
@@ -436,8 +435,8 @@ class Crypt {
 	/**
 	 * split iv from encrypted content
 	 *
-	 * @param $catFile
-	 * @return array
+	 * @param string|false $catFile
+	 * @return string
 	 */
 	private function splitIv($catFile) {
 		// Fetch encryption metadata from end of file
@@ -457,8 +456,8 @@ class Crypt {
 	}
 
 	/**
-	 * @param $encryptedContent
-	 * @param $iv
+	 * @param string $encryptedContent
+	 * @param string $iv
 	 * @param string $passPhrase
 	 * @param string $cipher
 	 * @return string
@@ -479,7 +478,7 @@ class Crypt {
 	}
 
 	/**
-	 * @param $data
+	 * @param string $data
 	 * @return array
 	 */
 	protected function parseHeader($data) {
@@ -551,7 +550,7 @@ class Crypt {
 	 * @param $encKeyFile
 	 * @param $shareKey
 	 * @param $privateKey
-	 * @return mixed
+	 * @return string
 	 * @throws MultiKeyDecryptException
 	 */
 	public function multiKeyDecrypt($encKeyFile, $shareKey, $privateKey) {