public void Decode(byte[] data)
{
if (data == null)
{
throw ExceptionUtility.ArgumentNull("data");
}
try
{
var asnDecoder = new Asn1BerDecodeBuffer(data);
var keyWrap = new GostR3410KeyWrap();
keyWrap.Decode(asnDecoder);
EncryptionParamSet = Asn1ObjectIdentifier.ToOidString(keyWrap.EncryptedParameters.EncryptionParamSet);
EncryptedKey = keyWrap.EncryptedKey.EncryptedKey.Value;
Mac = keyWrap.EncryptedKey.MacKey.Value;
Ukm = keyWrap.EncryptedParameters.Ukm.Value;
}
catch (Exception exception)
{
throw ExceptionUtility.CryptographicException(exception, Resources.Asn1DecodeError, typeof(GostR3410KeyWrap).FullName);
}
}
public byte[] Encode()
{
byte[] data;
var keyWrap = new GostR3410KeyWrap();
try
{
keyWrap.EncryptedKey = new Gost2814789EncryptedKey
{
EncryptedKey = new Gost2814789Key(EncryptedKey),
MacKey = new Gost2814789Mac(Mac)
};
keyWrap.EncryptedParameters = new Gost2814789KeyWrapParameters
{
EncryptionParamSet = CreateEncryptionParamSet(EncryptionParamSet),
Ukm = new Asn1OctetString(Ukm)
};
var asnEncoder = new Asn1BerEncodeBuffer();
keyWrap.Encode(asnEncoder);
data = asnEncoder.MsgCopy;
}
catch (Exception exception)
{
throw ExceptionUtility.CryptographicException(exception, Resources.Asn1DecodeError, typeof(GostR3410KeyWrap).FullName);
}
return data;
}
