public void SHA256UpdateTest()
{
var sha1 = System.Security.Cryptography.SHA256.Create();
var sha2 = new Crypto.SHA256();
for (int i = 0; i < 2048; i++)
{
var buf = Random.GenBytes(i);
var hash1 = sha1.ComputeHash(buf);
foreach (var b in buf)
{
sha2.TransformBlock(new byte[] { b }, 0, 1, null, 0);
}
sha2.TransformFinalBlock(System.Array.Empty <byte>(), 0, 0);
Assert.AreEqual(To(hash1), To(sha2.Hash));
}
}
public void SHA256Test()
{
var sha1 = System.Security.Cryptography.SHA256.Create();
var sha2 = new Crypto.SHA256();
byte[] hash3 = new byte[32];
for (int i = 0; i < 2048; i++)
{
var buf = Random.GenBytes(i);
var hash1 = sha1.ComputeHash(buf);
var hash2 = sha2.ComputeHash(buf);
sha2.ComputeHash(buf, hash3);
Assert.AreEqual(To(hash1), To(hash2));
Assert.AreEqual(To(hash1), To(hash3));
foreach (var _split in new int[] { 10, 34, 57, 128, 300, 500, 1000, 1500 })
{
var split = 0;
if (i > 0)
{
split = _split % i;
}
sha2.Initialize();
var tmp = sha2.TransformBlock(buf, 0, split, null, 0);
var sha3 = new Crypto.SHA256(sha2);
sha2.TransformFinalBlock(buf, split, i - split);
sha3.TransformFinalBlock(buf, split, i - split);
Assert.AreEqual(To(hash1), To(sha2.Hash));
Assert.AreEqual(To(hash1), To(sha3.Hash));
}
}
}
