public void TestInvalidKeys()
{
foreach (var key in new[]
{
new byte[] { 0, 1, 2, 3 }, // too short
new byte[]
{
0, 1, 2, 3, 4, 5, 6, 7, 8,
0, 1, 2, 3, 4, 5, 6, 7, 8,
0, 1, 2, 3, 4, 5, 6, 7, 8,
0, 1, 2, 3, 4, 5, 6, 7, 8,
0, 1, 2, 3, 4, 5, 6, 7, 8,
0, 1, 2, 3, 4, 5, 6, 7, 8,
0, 1, 2, 3, 4, 5, 6, 7, 8,
0 // too long
}
})
{
Assert.Throws <ArgumentException>(() =>
{
var en = Default.CreateEncrypt(key, new MockRandom());
var input = new byte[512];
var out1 = new byte[1024];
var inas = new ArraySegment <byte>(input);
var enInfo = en.Analyze(inas);
var out1As = new ArraySegment <byte>(out1, 0, enInfo.EncryptedMaxSize);
en.Encrypt(inas, out1As, enInfo);
});
}
}
public void Simple()
{
var r = new MockRandom();
var key = new byte[54];
r.Fill(new ArraySegment <byte>(key));
var de = Default.CreateDecrypt(key);
var en = Default.CreateEncrypt(key, r);
const int maxSize = 1024 * 1024 * 16;
var input = new byte[maxSize];
r.Fill(new ArraySegment <byte>(input));
var out1 = new byte[maxSize];
var out2 = new byte[maxSize];
var tmp = new byte[maxSize];
for (var i = 1; i < maxSize; i = 3 * i + 1)
{
Console.WriteLine(i);
var inas = new ArraySegment <byte>(input, 0, i);
var enInfo = en.Analyze(inas);
var out1As = new ArraySegment <byte>(out1, 0, enInfo.EncryptedMaxSize);
var out2As = new ArraySegment <byte>(out2, 0, enInfo.EncryptedMaxSize);
var enCount1 = en.Encrypt(inas, out1As, enInfo);
var enCount2 = en.Encrypt(inas, out2As, enInfo);
Assert.AreEqual(enCount1, enCount2);
Assert.False(AllSame(enCount1, out1, out2));
{
var en1As = new ArraySegment <byte>(out1, 0, enCount1);
var de1Info = de.Analyze(en1As);
var tmpAs = new ArraySegment <byte>(tmp, 0, de1Info.DecryptedMaxSize);
var deCount1 = de.Decrypt(en1As, tmpAs, de1Info);
Assert.AreEqual(i, deCount1);
Assert.True(AllSame(deCount1, input, tmp));
}
{
var en2As = new ArraySegment <byte>(out2, 0, enCount2);
var de2Info = de.Analyze(en2As);
var tmpAs = new ArraySegment <byte>(tmp, 0, de2Info.DecryptedMaxSize);
var deCount2 = de.Decrypt(en2As, tmpAs, de2Info);
Assert.AreEqual(i, deCount2);
Assert.True(AllSame(deCount2, input, tmp));
}
}
}
