public void roundTrip()
{
EncryptMessage msg = new EncryptMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), false);
msg.SetContent(strContent);
msg.Encrypt(rgbKey128);
byte[] rgbMsg = msg.EncodeToBytes();
msg = (EncryptMessage)Message.DecodeFromBytes(rgbMsg);
msg.Decrypt(rgbKey128);
Assert.AreEqual <string>(msg.GetContentAsString(), strContent);
}
public void roundTripDetached()
{
EncryptMessage msg = new EncryptMessage(true, false);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), false);
msg.SetContent(strContent);
msg.Encrypt(rgbKey128);
byte[] content = msg.GetEncryptedContent();
byte[] rgb = msg.EncodeToBytes();
msg = (EncryptMessage)Message.DecodeFromBytes(rgb);
msg.SetEncryptedContent(content);
msg.Decrypt(rgbKey128);
}
public void nullKeyForDecrypt()
{
EncryptMessage msg = new EncryptMessage(true, true);
// thrown.expect(CoseException.class);
// thrown.expectMessage("No Encrypted Content Specified");
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, true);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), false);
msg.SetContent(strContent);
msg.Encrypt(rgbKey128);
byte[] rgb = msg.EncodeToBytes();
msg = (EncryptMessage)Message.DecodeFromBytes(rgb);
msg.Decrypt(null);
}
public void roundTrip()
{
EncryptMessage msg = new EncryptMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), Attributes.UNPROTECTED);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
byte[] rgbMsg = msg.EncodeToBytes();
msg = (EncryptMessage)Message.DecodeFromBytes(rgbMsg);
r = msg.RecipientList[0];
r.SetKey(key128);
msg.Decrypt(r);
Assert.AreEqual <string>(msg.GetContentAsString(), strContent);
}
static void CheckMessage(Message msg, JWK key, CBORObject input)
{
if (msg.GetType() == typeof(EncryptMessage))
{
EncryptMessage enc = (EncryptMessage)msg;
Recipient recipient = enc.RecipientList[0];
recipient.SetKey(key);
try {
enc.Decrypt(recipient);
}
catch (Exception e) { Console.WriteLine("Failed to decrypt " + e.ToString()); return; }
if (enc.GetContentAsString() != input["plaintext"].AsString())
{
Console.WriteLine("Plain text does not match");
}
}
else if (msg.GetType() == typeof(SignMessage))
{
SignMessage sig = (SignMessage)msg;
try {
try {
sig.GetContentAsString();
}
catch (System.Exception) {
sig.SetContent(input["payload"].AsString());
}
sig.Validate(key);
if (sig.GetContentAsString() != input["payload"].AsString())
{
Console.WriteLine("Plain text does not match");
}
}
catch (Exception e) { Console.WriteLine("Failed to verify " + e.ToString()); return; }
}
}
public void roundTripDetached()
{
EncryptMessage msg = new EncryptMessage(true, false);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), Attributes.UNPROTECTED);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
byte[] content = msg.GetEncryptedContent();
byte[] rgb = msg.EncodeToBytes();
msg = (EncryptMessage)Message.DecodeFromBytes(rgb);
msg.SetEncryptedContent(content);
r = msg.RecipientList[0];
r.SetKey(key128);
msg.Decrypt(r);
}
public void noContentForDecrypt()
{
EncryptMessage msg = new EncryptMessage(true, false);
// thrown.expect(CoseException.class);
// thrown.expectMessage("No Enveloped Content Specified");
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), Attributes.UNPROTECTED);
msg.SetContent(strContent);
Recipient r = new Recipient(key128, AlgorithmValues.Direct);
msg.AddRecipient(r);
msg.Encrypt();
byte[] rgb = msg.EncodeToBytes();
msg = (EncryptMessage)Message.DecodeFromBytes(rgb);
r = msg.RecipientList[0];
r.SetKey(key128);
msg.Decrypt(r);
}
static void CheckMessage(Message msg, Key key, JSON input)
{
if (msg.GetType() == typeof(EncryptMessage))
{
EncryptMessage enc = (EncryptMessage)msg;
try {
enc.Decrypt(key);
}
catch (Exception e) { Console.WriteLine("Failed to decrypt " + e.ToString()); return; }
if (enc.GetContentAsString() != input["plaintext"].AsString())
{
Console.WriteLine("Plain text does not match");
}
}
else if (msg.GetType() == typeof(SignMessage))
{
SignMessage sig = (SignMessage)msg;
try {
try {
sig.GetContentAsString();
}
catch (System.Exception) {
sig.SetContent(input["payload"].AsString());
}
sig.Verify(key);
if (sig.GetContentAsString() != input["payload"].AsString())
{
Console.WriteLine("Plain text does not match");
}
}
catch (Exception e) { Console.WriteLine("Failed to verify " + e.ToString()); return; }
}
}
public void TestRoundTrip3()
{
EncryptMessage msg = new EncryptMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), Attributes.PROTECTED);
msg.SetContent(rgbContent);
msg.AddRecipient(recipient128);
msg.Encrypt();
List <Recipient> rList = msg.RecipientList;
Assert.AreEqual(rList.Count(), (1));
CBORObject rgbMsg = msg.EncodeToCBORObject();
msg = (EncryptMessage)Message.DecodeFromCBOR(rgbMsg, Tags.Encrypt);
Recipient r = msg.RecipientList[0];
r.SetKey(cnKey128);
byte[] contentNew = msg.Decrypt(r);
CollectionAssert.AreEqual(contentNew, (rgbContent));
}