public void testAddRecipient()
{
Recipient recipient = null;
MACMessage instance = new MACMessage();
CoseException e = Assert.ThrowsException <CoseException>(() =>
instance.AddRecipient(recipient));
Assert.AreEqual(e.Message, ("Recipient is null"));
}
public void macNoContent()
{
MAC0Message msg = new MAC0Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.HMAC_SHA_256, Attributes.PROTECTED);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Compute(rgbKey256));
Assert.AreEqual(e.Message, ("No Content Specified"));
}
public void macNoAlgorithm()
{
MAC0Message msg = new MAC0Message();
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Compute(rgbKey256));
Assert.AreEqual(e.Message, ("No Algorithm Specified"));
}
public void EncryptNoContent()
{
Encrypt0Message msg = new Encrypt0Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt(rgbKey128));
Assert.AreEqual(e.Message, ("No Content Specified"));
}
public void noAlgorithm()
{
Sign1Message msg = new Sign1Message();
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Sign(cnKeyPrivate));
Assert.AreEqual(e.Message, ("No Algorithm Specified"));
}
public void noContent()
{
Sign1Message msg = new Sign1Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.ECDSA_256, Attributes.PROTECTED);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Sign(cnKeyPrivate));
Assert.AreEqual(e.Message, ("No Content Specified"));
}
public void macDecodeWrongBasis()
{
CBORObject obj = CBORObject.NewMap();
byte[] rgb = obj.EncodeToBytes();
CoseException e = Assert.ThrowsException <CoseException>(() =>
Message.DecodeFromBytes(rgb, Tags.MAC));
Assert.AreEqual(e.Message, ("Message is not a COSE security message."));
}
public void EncryptUnsupportedAlgorithm()
{
Encrypt0Message msg = new Encrypt0Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.HMAC_SHA_256, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt(rgbKey128));
Assert.AreEqual(e.Message, ("Unknown Algorithm Specified"));
}
public void EncryptUnknownAlgorithm()
{
Encrypt0Message msg = new Encrypt0Message();
msg.AddAttribute(HeaderKeys.Algorithm, CBORObject.FromObject("Unknown"), Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt(rgbKey128));
Assert.AreEqual(e.Message, ("Unknown Algorithm Specified"));
}
public void macUnsupportedAlgorithm()
{
MAC0Message msg = new MAC0Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_CCM_16_64_256, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Compute(rgbKey256));
Assert.AreEqual(e.Message, ("MAC algorithm not recognized 11"));
}
public void EncryptNoRecipients()
{
EncryptMessage msg = new EncryptMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt());
Assert.AreEqual(e.Message, ("No recipients supplied"));
}
public void EncryptIncorrectKeySize()
{
Encrypt0Message msg = new Encrypt0Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt(rgbKey256));
Assert.AreEqual(e.Message, ("Incorrect Key Size"));
}
public void signerDecodeWrongBasis()
{
CBORObject obj = CBORObject.NewMap();
Signer sig = new Signer();
CoseException e = Assert.ThrowsException <CoseException>(() =>
sig.DecodeFromCBORObject(obj));
Assert.AreEqual(e.Message, ("Invalid Signer structure"));
}
public void unsupportedAlgorithm()
{
Sign1Message msg = new Sign1Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.HMAC_SHA_256, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Sign(cnKeyPrivate));
Assert.AreEqual(e.Message, ("Unknown Algorithm Specified"));
}
public void macNoRecipients()
{
MACMessage msg = new MACMessage();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.HMAC_SHA_256, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Compute());
Assert.AreEqual(e.Message, ("No recipients supplied"));
}
public void publicKey()
{
Sign1Message msg = new Sign1Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.ECDSA_256, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Sign(cnKeyPublic));
Assert.AreEqual(e.Message, ("Private key required to sign"));
}
public void EncryptNoAlgorithm()
{
Encrypt0Message msg = new Encrypt0Message();
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt(rgbKey128));
Assert.AreEqual(e.Message, ("No Algorithm Specified"));
}
public void unknownAlgorithm()
{
Sign1Message msg = new Sign1Message();
msg.AddAttribute(HeaderKeys.Algorithm, CBORObject.FromObject("Unknown"), Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Sign(cnKeyPrivate));
Assert.AreEqual(e.Message, ("Unknown Algorithm Specified"));
}
public void EncryptIncorrectIV()
{
Encrypt0Message msg = new Encrypt0Message();
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV128), Attributes.UNPROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt(rgbKey128));
Assert.AreEqual(e.Message, ("IV size is incorrect."));
}
public void macDecodeWrongCount()
{
CBORObject obj = CBORObject.NewArray();
obj.Add(CBORObject.False);
byte[] rgb = obj.EncodeToBytes();
CoseException e = Assert.ThrowsException <CoseException>(() =>
Message.DecodeFromBytes(rgb, Tags.MAC));
Assert.AreEqual(e.Message, ("Invalid MAC structure"));
}
public void macUnknownAlgorithm()
{
MACMessage msg = new MACMessage();
msg.AddRecipient(recipient256);
msg.AddAttribute(HeaderKeys.Algorithm, CBORObject.FromObject("Unknown"), Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Compute());
Assert.AreEqual(e.Message, ("Unknown Algorithm Specified"));
}
public void EncryptUnsupportedAlgorithm()
{
EncryptMessage msg = new EncryptMessage();
msg.AddRecipient(recipient128);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.HMAC_SHA_256, Attributes.PROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt());
Assert.AreEqual(e.Message, ("Incorrect key size" /*"Unsupported Algorithm Specified"*/));
}
public void signerDecodeWrongCount()
{
CBORObject obj = CBORObject.NewArray();
obj.Add(CBORObject.False);
Signer sig = new Signer();
CoseException e = Assert.ThrowsException <CoseException>(() =>
sig.DecodeFromCBORObject(obj));
Assert.AreEqual(e.Message, ("Invalid Signer structure"));
}
public void EncryptBadIV()
{
EncryptMessage msg = new EncryptMessage();
msg.AddRecipient(recipient128);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject("IV"), Attributes.UNPROTECTED);
msg.SetContent(rgbContent);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Encrypt());
Assert.AreEqual(e.Message, ("IV is incorrectly formed."));
}
public void EncryptDecodeBadTag()
{
CBORObject obj = CBORObject.NewArray();
obj.Add(CBORObject.FromObject(CBORObject.NewArray()).EncodeToBytes());
obj.Add(CBORObject.NewMap());
obj.Add(new byte[0]);
byte[] rgb = obj.EncodeToBytes();
CoseException e = Assert.ThrowsException <CoseException>(() =>
Message.DecodeFromBytes(rgb, Tags.Encrypt0));
Assert.AreEqual(e.Message, ("Invalid Encrypt0 structure"));
}
public void signerDecodeBadUnprotected()
{
CBORObject obj = CBORObject.NewArray();
obj.Add(CBORObject.FromObject(CBORObject.NewArray()).EncodeToBytes());
obj.Add(CBORObject.False);
obj.Add(CBORObject.False);
Signer sig = new Signer();
CoseException e = Assert.ThrowsException <CoseException>(() =>
sig.DecodeFromCBORObject(obj));
Assert.AreEqual(e.Message, ("Invalid Signer structure"));
}
public void testDecodeUnknown()
{
Encrypt0Message msg = new Encrypt0Message(false, true);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), Attributes.PROTECTED);
msg.SetContent(rgbContent);
msg.Encrypt(rgbKey128);
byte[] rgbMsg = msg.EncodeToBytes();
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg = (Encrypt0Message)Message.DecodeFromBytes(rgbMsg, Tags.Unknown));
Assert.AreEqual(e.Message, ("Message was not tagged and no default tagging option given"));
}
public void decodeBadUnprotected()
{
CBORObject obj = CBORObject.NewArray();
obj.Add(CBORObject.FromObject(CBORObject.NewArray()).EncodeToBytes());
obj.Add(CBORObject.False);
obj.Add(CBORObject.False);
obj.Add(CBORObject.False);
byte[] rgb = obj.EncodeToBytes();
CoseException e = Assert.ThrowsException <CoseException>(() =>
Message.DecodeFromBytes(rgb, Tags.Sign1));
Assert.AreEqual(e.Message, ("Invalid Sign1 structure"));
}
public void signDecodeBadRecipients()
{
CBORObject obj = CBORObject.NewArray();
obj.Add(CBORObject.FromObject(CBORObject.NewArray()).EncodeToBytes());
obj.Add(CBORObject.NewMap());
obj.Add(new byte[0]);
obj.Add(CBORObject.False);
byte[] rgb = obj.EncodeToBytes();
CoseException e = Assert.ThrowsException <CoseException>(() =>
Message.DecodeFromBytes(rgb, Tags.Sign));
Assert.AreEqual(e.Message, ("Invalid SignMessage structure"));
}
public void NoContentForDecrypt()
{
Encrypt0Message msg = new Encrypt0Message(true, false);
msg.AddAttribute(HeaderKeys.Algorithm, AlgorithmValues.AES_GCM_128, Attributes.PROTECTED);
msg.AddAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), Attributes.UNPROTECTED);
msg.SetContent(rgbContent);
msg.Encrypt(rgbKey128);
byte[] rgb = msg.EncodeToBytes();
msg = (Encrypt0Message)Message.DecodeFromBytes(rgb);
CoseException e = Assert.ThrowsException <CoseException>(() =>
msg.Decrypt(rgbKey128));
Assert.AreEqual(e.Message, ("No Encrypted Content Specified."));
}
