public void PackingAndUnpackingResultsInOriginal()
{
CryptoHeader header = new CryptoHeader
{
PackageName = "MyAppName",
AlgorithmName = "Twofish",
KdfName = "PBKDF2",
Cost = "10",
Nonce = CommonMocksAndStubs.FilledByteArray(8, 66),
Salt = CommonMocksAndStubs.FilledByteArray(8, 77),
Compression = "gzip",
};
byte[] cipher = CommonMocksAndStubs.FilledByteArray(16, 88);
byte[] packedHeader = CryptoHeaderPacker.PackHeaderAndCypher(header, cipher);
CryptoHeaderPacker.UnpackHeaderAndCipher(packedHeader, "MyAppName", out CryptoHeader unpackedHeader, out byte[] unpackedCipher);
Assert.AreEqual(header.PackageName, unpackedHeader.PackageName);
Assert.AreEqual(header.AlgorithmName, unpackedHeader.AlgorithmName);
Assert.AreEqual(header.KdfName, unpackedHeader.KdfName);
Assert.AreEqual(header.Cost, unpackedHeader.Cost);
Assert.AreEqual(header.Nonce, unpackedHeader.Nonce);
Assert.AreEqual(header.Salt, unpackedHeader.Salt);
Assert.AreEqual(cipher, unpackedCipher);
Assert.AreEqual(header.Compression, unpackedHeader.Compression);
}
public void PackingAndUnpackingWorksWithKeyOnly()
{
// If the encryption is started with a key instead of a password, there are not all parametes set.
CryptoHeader header = new CryptoHeader
{
PackageName = "MyAppName",
AlgorithmName = "Twofish",
KdfName = null,
Cost = null,
Nonce = CommonMocksAndStubs.FilledByteArray(8, 66),
Salt = null,
Compression = "gzip",
};
byte[] cipher = CommonMocksAndStubs.FilledByteArray(16, 88);
byte[] packedHeader = CryptoHeaderPacker.PackHeaderAndCypher(header, cipher);
CryptoHeaderPacker.UnpackHeaderAndCipher(packedHeader, "MyAppName", out CryptoHeader unpackedHeader, out byte[] unpackedCipher);
Assert.AreEqual(header.PackageName, unpackedHeader.PackageName);
Assert.AreEqual(header.AlgorithmName, unpackedHeader.AlgorithmName);
Assert.AreEqual(header.KdfName, unpackedHeader.KdfName);
Assert.AreEqual(header.Cost, unpackedHeader.Cost);
Assert.AreEqual(header.Nonce, unpackedHeader.Nonce);
Assert.AreEqual(header.Salt, unpackedHeader.Salt);
Assert.AreEqual(cipher, unpackedCipher);
Assert.AreEqual(header.Compression, unpackedHeader.Compression);
}