CAESDO.Recruitment.Providers.CAESDOMembershipProvider.UnEncodePassword C# (CSharp) Method

        private string UnEncodePassword(string pass, int passwordFormat)
        {
            switch (passwordFormat)
            {
                case 0: // MembershipPasswordFormat.Clear:
                    return pass;
                case 1: // MembershipPasswordFormat.Hashed:
                    throw new ProviderException("Provider can not decode hashed password");
                default:
                    byte[] bIn = Convert.FromBase64String(pass);
                    byte[] bRet = DecryptPassword(bIn);
                    if (bRet == null)
                        return null;
                    return Encoding.Unicode.GetString(bRet, SALT_SIZE_IN_BYTES, bRet.Length - SALT_SIZE_IN_BYTES);
            }
        }