public void Sha256()
{
const string input = "sha256 input test";
const string expected = "d7ecf2c1caa1c5120a2d90ec7411ba6d26cb83f02fafadcef90bcad201d5b37e";
var actual = SHA.ComputeSHA256(input.ToBytes()).ToHex();
Assert.AreEqual(expected, actual);
}
public void Test_SHA1_SHA256()
{
var random = new System.Random(123);
var bytes512 = new byte[512];
random.NextBytes(bytes512);
var output = new byte[20];
var sha1managed = new SHA1Managed();
byte[] tmp1 = null;
uint[] tmp2 = null;
for (int dataLength = 0; dataLength < bytes512.Length; dataLength++)
{
SHA.ComputeSHA1(bytes512, dataLength, output, 0, ref tmp1, ref tmp2);
Assert.AreEqual(sha1managed.ComputeHash(new ByteBuffer(bytes512, 0, dataLength).ToArray()), output);
}
output = new byte[32];
var sha256managed = new SHA256Managed();
for (int dataLength = 0; dataLength < bytes512.Length; dataLength++)
{
SHA.ComputeSHA256(bytes512, dataLength, output, 0, ref tmp1, ref tmp2);
Assert.AreEqual(sha256managed.ComputeHash(new ByteBuffer(bytes512, 0, dataLength).ToArray()), output);
}
var key = new byte[64];
random.NextBytes(key);
output = new byte[20];
for (int keyLength = 0; keyLength < key.Length; keyLength++)
{
for (int dataLength = 0; dataLength < bytes512.Length; dataLength++)
{
HMAC_SHA1.ComputeHmacSha1(new ByteBuffer(key, 0, keyLength), new ByteBuffer(bytes512, 0, dataLength), output, 0);
Assert.AreEqual(new HMACSHA1(new ByteBuffer(key, 0, keyLength).ToArray()).ComputeHash(bytes512, 0, dataLength), output);
}
}
HMAC_SHA1.ComputeHmacSha1(new ByteBuffer(key, 0, key.Length), new ByteBuffer(bytes512, 40, 200), output, 0);
Assert.AreEqual(new HMACSHA1(key).ComputeHash(bytes512, 40, 200), output);
}