public static ulong DecryptUInt64(
this ICipher cipher,
byte[] encrypted)
{
if (cipher == null)
{
throw new ArgumentNullException(nameof(cipher));
}
if (encrypted == null)
{
throw new ArgumentNullException(nameof(encrypted));
}
var decrypted = cipher.Decrypt(encrypted);
if (decrypted.Length < 8)
{
throw new ArgumentException(Resources.InvalidEncryptedValue);
}
return(FromByteArray.ToUInt64(decrypted));
}
