trying to fix RarRijndael

src/SharpCompress/Common/Rar/RarRijndael.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -29,12 +29,13 @@ namespace SharpCompress.Common.Rar
             aesInitializationVector = new byte[CRYPTO_BLOCK_SIZE];
             int rawLength = 2 * password.Length;
             byte[] rawPassword = new byte[rawLength + 8];
-            byte[] passwordBytes = Encoding.Unicode.GetBytes(password);
-            for (int i = 0; i<rawLength; i++)
+            byte[] passwordBytes = Encoding.UTF8.GetBytes(password);
+            for (int i = 0; i < password.Length; i++)
             {
-                rawPassword[i] = passwordBytes[i];
+                rawPassword[i * 2] = passwordBytes[i];
+                rawPassword[i * 2 + 1] = 0;
             }
-            for (int i = 0; i<salt.Length; i++)
+            for (int i = 0; i < salt.Length; i++)
             {
                 rawPassword[i + rawLength] = salt[i];
             }