public static byte[] Decrypt(byte[] kek, byte[] data)
{
if (kek == null)
{
throw new ArgumentNullException("Key Encrypting Key");
}
if (kek.Length < 16)
{
throw new ArgumentOutOfRangeException("Key Encrypting Key");
}
if (kek.Length % 8 != 0)
{
throw new ArgumentException("Key Encrypting Key");
}
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length < 16)
{
throw new ArgumentOutOfRangeException("data");
}
if (data.Length % 8 != 0)
{
throw new ArgumentException("data");
}
GXDLMSChipperingStream gcm = new GXDLMSChipperingStream(false, kek);
return gcm.DecryptAes(data);
}
}