Add GenerateRandomBytes in BaseAesEncryption class

Author: selfmadecode

Encrypt/AesEncryption/BaseAesEncryption.cs

@@ -33,5 +33,16 @@ public virtual byte[] EncryptAES(byte[] data, byte[] key, byte[] iv)
                 throw;
             }
         }
+
+        // Method to generate a random byte array of given length
+        public static byte[] GenerateRandomBytes(int length)
+        {
+            byte[] randomBytes = new byte[length];
+            using (RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider())
+            {
+                rng.GetBytes(randomBytes);
+            }
+            return randomBytes;
+        }
     }
 }