public void SplitTest()
{
byte[] deadBeef = new byte[] { 0xDE, 0xAD, 0xBE, 0xEF };
byte[] deadBeefS1;
byte[] deadBeefS2;
Prf10.Split(deadBeef, out deadBeefS1, out deadBeefS2);
CollectionAssert.AreEqual(new byte[] { 0xDE, 0xAD }, deadBeefS1);
CollectionAssert.AreEqual(new byte[] { 0xBE, 0xEF }, deadBeefS2);
// Get an odd one
byte[] firstFive = new byte[] { 0x01, 0x02, 0x03, 0x04, 0x05 };
byte[] firstFiveS1;
byte[] firstFiveS2;
Prf10.Split(firstFive, out firstFiveS1, out firstFiveS2);
CollectionAssert.AreEqual(new byte[] { 0x01, 0x02, 0x03 }, firstFiveS1);
CollectionAssert.AreEqual(new byte[] { 0x03, 0x04, 0x05 }, firstFiveS2);
// And an empty one for good measure
byte[] empty = new byte[0];
byte[] emptyS1;
byte[] emptyS2;
Prf10.Split(empty, out emptyS1, out emptyS2);
Assert.AreEqual(0, emptyS1.Length);
Assert.AreEqual(0, emptyS2.Length);
}
public void CheckTestVector()
{
// Test Vector as defined in
// http://www.imc.org/ietf-tls/mail-archive/msg01589.html
byte[] secret = new byte[48];
for (int i = 0; i < secret.Length; i++)
{
secret[i] = 0xab;
}
string label = "PRF Testvector";
byte[] seed = new byte[64];
for (int i = 0; i < seed.Length; i++)
{
seed[i] = 0xcd;
}
int bytesToGenerate = 104;
byte[] result = Prf10.GenerateBytes(secret, label, seed, bytesToGenerate);
Assert.AreEqual(bytesToGenerate, result.Length);
CollectionAssert.AreEqual(result, new byte[] {
0xD3, 0xD4, 0xD1, 0xE3, 0x49, 0xB5, 0xD5, 0x15,
0x04, 0x46, 0x66, 0xD5, 0x1D, 0xE3, 0x2B, 0xAB,
0x25, 0x8C, 0xB5, 0x21, 0xB6, 0xB0, 0x53, 0x46,
0x3E, 0x35, 0x48, 0x32, 0xFD, 0x97, 0x67, 0x54,
0x44, 0x3B, 0xCF, 0x9A, 0x29, 0x65, 0x19, 0xBC,
0x28, 0x9A, 0xBC, 0xBC, 0x11, 0x87, 0xE4, 0xEB,
0xD3, 0x1E, 0x60, 0x23, 0x53, 0x77, 0x6C, 0x40,
0x8A, 0xAF, 0xB7, 0x4C, 0xBC, 0x85, 0xEF, 0xF6,
0x92, 0x55, 0xF9, 0x78, 0x8F, 0xAA, 0x18, 0x4C,
0xBB, 0x95, 0x7A, 0x98, 0x19, 0xD8, 0x4A, 0x5D,
0x7E, 0xB0, 0x06, 0xEB, 0x45, 0x9D, 0x3A, 0xE8,
0xDE, 0x98, 0x10, 0x45, 0x4B, 0x8B, 0x2D, 0x8F,
0x1A, 0xFB, 0xC6, 0x55, 0xA8, 0xC9, 0xA0, 0x13
});
var md5 = new MD5CryptoServiceProvider();
var hashedVector = md5.ComputeHash(result);
CollectionAssert.AreEqual(new byte[] {
0xCD, 0x7C, 0xA2, 0xCB, 0x9A, 0x6A, 0x3C, 0x6F,
0x34, 0x5C, 0x46, 0x65, 0xA8, 0xB6, 0x81, 0x6B
},
hashedVector);
}