public void TestRoundtrip()
{
var tests = new TestCase[]
{
new TestCase("I am a key",
"Hello, World!"),
new TestCase("ABC",
"The quick brown fox jumps over the lazy dog"),
new TestCase("spam",
"A returning noise skips into the arcade"),
new TestCase("arcfour",
"The postage postulates a chaos"),
new TestCase("lizard",
"The glue bounces"),
};
foreach (var tc in tests)
{
var key = tc.Key;
var data = tc.Output;
var ctxt = Spritz.Encrypt(data, key);
var ptxt = Spritz.Decrypt(ctxt, key);
Console.WriteLine("Plaintext: " + ByteArrayToString(data));
Console.WriteLine("Key: " + ByteArrayToString(key));
Console.WriteLine("Ciphertext: " + ByteArrayToString(ctxt));
Console.WriteLine();
CollectionAssert.AreEqual(data, ptxt);
}
}
public void TestRoundtripWithIV()
{
var tests = new TestCase[]
{
new TestCase("ABC",
new byte[] { 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
"The quick brown fox jumps over the lazy dog"),
new TestCase("spam",
new byte[] { 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
"A returning noise skips into the arcade"),
new TestCase("arcfour",
new byte[] { 0xff, 0xf0, 0xef, 0xe0, 0xdf, 0xd0, 0xcf, 0xc0 },
"The postage postulates a chaos"),
};
foreach (var tc in tests)
{
var key = tc.Key;
var data = tc.Output;
var iv = tc.IV;
var ctxt = Spritz.Encrypt(data, key, iv);
var ptxt = Spritz.Decrypt(ctxt, key, iv);
CollectionAssert.AreEqual(data, ptxt);
}
}
public void TestHash()
{
var tests = new TestCase[]
{
new TestCase("ABC",
new byte[]
{ 0x02, 0x8f, 0xa2, 0xb4, 0x8b, 0x93, 0x4a, 0x18 }),
new TestCase("spam",
new byte[]
{ 0xac, 0xbb, 0xa0, 0x81, 0x3f, 0x30, 0x0d, 0x3a }),
new TestCase("arcfour",
new byte[]
{ 0xff, 0x8c, 0xf2, 0x68, 0x09, 0x4c, 0x87, 0xb9 }),
};
foreach (var tc in tests)
{
var h = Spritz.Hash(tc.Key, 32);
for (int i = 0; i < tc.Output.Length; i++)
{
Assert.AreEqual(tc.Output[i], h[i]);
}
}
}
