@Test
public void encryptIncorrectIV() throws CoseException, InvalidCipherTextException, Exception {
EncryptMessage msg = new EncryptMessage();
msg.addRecipient(recipient128);
thrown.expect(CoseException.class);
thrown.expectMessage("IV size is incorrect");
msg.addAttribute(HeaderKeys.Algorithm, AlgorithmID.AES_GCM_128.AsCBOR(), Attribute.PROTECTED);
msg.addAttribute(HeaderKeys.IV, rgbIV128, Attribute.UNPROTECTED);
msg.SetContent(rgbContent);
msg.encrypt();
}
@Test
public void encryptNoRecipients() throws CoseException, InvalidCipherTextException, Exception {
EncryptMessage msg = new EncryptMessage();
thrown.expect(CoseException.class);
thrown.expectMessage("No recipients supplied");
msg.addAttribute(HeaderKeys.Algorithm, AlgorithmID.AES_GCM_128.AsCBOR(), Attribute.PROTECTED);
msg.SetContent(rgbContent);
msg.encrypt();
}
@Test
public void encryptUnsupportedAlgorithm()
throws CoseException, InvalidCipherTextException, Exception {
EncryptMessage msg = new EncryptMessage();
msg.addRecipient(recipient128);
thrown.expect(CoseException.class);
thrown.expectMessage("Unsupported Algorithm Specified");
msg.addAttribute(HeaderKeys.Algorithm, AlgorithmID.HMAC_SHA_256.AsCBOR(), Attribute.PROTECTED);
msg.SetContent(rgbContent);
msg.encrypt();
}
@Test
public void encryptUnknownAlgorithm()
throws CoseException, InvalidCipherTextException, Exception {
EncryptMessage msg = new EncryptMessage();
msg.addRecipient(recipient128);
thrown.expect(CoseException.class);
thrown.expectMessage("Unknown Algorithm Specified");
msg.addAttribute(HeaderKeys.Algorithm, CBORObject.FromObject("Unknown"), Attribute.PROTECTED);
msg.SetContent(rgbContent);
msg.encrypt();
}
/** Test of Decrypt method, of class Encrypt0Message. */
@Test
public void testRoundTrip() throws Exception {
System.out.println("Round Trip");
EncryptMessage msg = new EncryptMessage();
msg.addAttribute(HeaderKeys.Algorithm, AlgorithmID.AES_GCM_128.AsCBOR(), Attribute.PROTECTED);
msg.addAttribute(HeaderKeys.IV, CBORObject.FromObject(rgbIV96), Attribute.PROTECTED);
msg.SetContent(rgbContent);
msg.addRecipient(recipient128);
msg.encrypt();
List<Recipient> rList = msg.getRecipientList();
assertEquals(rList.size(), 1);
byte[] rgbMsg = msg.EncodeToBytes();
msg = (EncryptMessage) Message.DecodeFromBytes(rgbMsg, MessageTag.Encrypt);
Recipient r = msg.getRecipient(0);
r.SetKey(cnKey128);
byte[] contentNew = msg.decrypt(r);
assertArrayEquals(rgbContent, contentNew);
}