new public CBORObject EncodeToCBORObject()
{
CBORObject cborBodyAttributes = null;
byte[] rgbBody = null;
if (m_msgToSign != null)
{
if (m_msgToSign.GetType() == typeof(EnvelopedMessage))
{
EnvelopedMessage msg = (EnvelopedMessage)m_msgToSign;
msg.Encrypt();
CBORObject obj = msg.EncodeToCBORObject();
if (obj[1].Type != CBORType.ByteString)
{
throw new Exception("Internal error");
}
if (obj[3].Type != CBORType.ByteString)
{
throw new Exception("Internal error");
}
rgbBody = obj[3].GetByteString();
cborBodyAttributes = obj[1];
}
}
else if (m_signerToSign != null)
{
CBORObject obj = m_signerToSign.EncodeToCBORObject();
}
return(base.EncodeToCBORObject(cborBodyAttributes.GetByteString(), rgbBody));
}
public void nullKey()
{
EnvelopedMessage msg = new EnvelopedMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.SetContent(strContent);
msg.Encrypt();
}
public void noContent()
{
EnvelopedMessage msg = new EnvelopedMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
}
public void noAlgorithm()
{
EnvelopedMessage msg = new EnvelopedMessage();
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
}
public void unsupportedAlgorithm()
{
EnvelopedMessage msg = new EnvelopedMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.HMAC_SHA_256, true);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
}
public void unknownAlgorithm()
{
EnvelopedMessage msg = new EnvelopedMessage();
msg.AddAttribute(HeaderKeys.Algorithm, CBORObject.FromObject("Unknown"), true);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
}
public void incorrectIV()
{
EnvelopedMessage msg = new EnvelopedMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV128), false);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
}
public void encryptNoEmitContent()
{
EnvelopedMessage msg = new EnvelopedMessage(true, false);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), false);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
CBORObject cn = msg.EncodeToCBORObject();
Assert.IsTrue(cn[2].IsNull);
}
public void roundTrip()
{
EnvelopedMessage msg = new EnvelopedMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), false);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
byte[] rgbMsg = msg.EncodeToBytes();
msg = (EnvelopedMessage)Message.DecodeFromBytes(rgbMsg);
r = msg.RecipientList[0];
r.SetKey(key128);
msg.Decrypt(r);
Assert.AreEqual <string>(msg.GetContentAsString(), strContent);
}
public void nullKeyForDecrypt()
{
EnvelopedMessage msg = new EnvelopedMessage(true, true);
// thrown.expect(CoseException.class);
// thrown.expectMessage("No Enveloped Content Specified");
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), false);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
byte[] rgb = msg.EncodeToBytes();
msg = (EnvelopedMessage)Message.DecodeFromBytes(rgb);
msg.Decrypt(null);
}
public void roundTripDetached()
{
EnvelopedMessage msg = new EnvelopedMessage(true, false);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), false);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
byte[] content = msg.GetEncryptedContent();
byte[] rgb = msg.EncodeToBytes();
msg = (EnvelopedMessage)Message.DecodeFromBytes(rgb);
msg.SetEncryptedContent(content);
r = msg.RecipientList[0];
r.SetKey(key128);
msg.Decrypt(r);
}