generate random password

pass/Helpers/Utils.swift

@@ -34,6 +34,22 @@ class Utils {
         }
         return lastUpdatedTimeString
     }
+    
+    static func randomString(length: Int) -> String {
+        
+        let letters : NSString = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
+        let len = UInt32(letters.length)
+        
+        var randomString = ""
+        
+        for _ in 0 ..< length {
+            let rand = arc4random_uniform(len)
+            var nextChar = letters.character(at: Int(rand))
+            randomString += NSString(characters: &nextChar, length: 1) as String
+        }
+        
+        return randomString
+    }
 }
 
 // https://gist.github.com/NikolaiRuhe/eeb135d20c84a7097516

pass/Models/Password.swift

@@ -76,6 +76,7 @@ class Password {
     private func getAdditionValue(withKey key: String) -> String? {
         return self.additions[key]
     }
+    
 }
 
 extension PasswordEntity {

pass/Views/FillPasswordTableViewCell.swift

@@ -23,6 +23,6 @@ class FillPasswordTableViewCell: UITableViewCell {
     }
     
     @IBAction func generatePassword(_ sender: UIButton) {
-        contentTextField.text = "4-r4d0m-p455w0rd"
+        contentTextField.text = Utils.randomString(length: 16)
     }
 }