public void Decrypt_returns_correct_value()
{
foreach (var i in Rfc3610TestCases)
{
var aes = new SjclAes(i.Key);
var plaintext = SjclCcm.Decrypt(aes, i.Ciphertext, i.Iv, i.Adata, i.TagLength);
Assert.That(plaintext, Is.EqualTo(i.Plaintext));
}
}
//
// Helpers
//
private static void VerifyCmmMismatchThrown(SjclAes aes, byte[] ciphertext, byte[] iv, byte[] adata, int tagLength)
{
Assert.That(() => SjclCcm.Decrypt(aes, ciphertext, iv, adata, tagLength),
Throws.TypeOf <CryptoException>()
.And.Message.EqualTo("CCM tag doesn't match"));
}
//
// Helpers
//
private static void VerifyCmmMismatchThrown(SjclAes aes, byte[] ciphertext, byte[] iv, byte[] adata, int tagLength)
{
var e = Assert.Throws <CryptoException>(() => SjclCcm.Decrypt(aes, ciphertext, iv, adata, tagLength));
Assert.AreEqual("CCM tag doesn't match", e.Message);
}
