public void ComputeBlocksViaClone()
{
int dataLength = 23;
byte[] data = new byte[dataLength];
using (SHA1Managed sha1 = new SHA1Managed())
using (SHA1Managed sha1_1 = new SHA1Managed())
using (SHA1Reuse reuse = new SHA1Reuse())
using (SHA1Reuse hash0 = (SHA1Reuse)reuse.Clone()) {
for (int i = 0; i < 100; i++)
{
sha1.TransformBlock(data, 0, dataLength, data, 0);
sha1_1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
}
using (var hash1 = hash0.Clone() as HashAlgorithm)
using (var hash2 = hash0.Clone() as HashAlgorithm)
using (var hash3 = hash0.Clone() as HashAlgorithm) {
sha1.TransformFinalBlock(data, dataLength, 0);
reuse.TransformFinalBlock(data, dataLength, 0);
hash0.TransformFinalBlock(data, dataLength, 0);
Assert.That(sha1.Hash, Is.EqualTo(reuse.Hash));
Assert.That(sha1.Hash, Is.EqualTo(hash0.Hash));
for (int i = 0; i < 100; i++)
{
sha1_1.TransformBlock(data, 0, dataLength, data, 0);
hash1.TransformBlock(data, 0, dataLength, data, 0);
hash2.TransformBlock(data, 0, dataLength, data, 0);
hash3.TransformBlock(data, 0, dataLength, data, 0);
}
hash1.TransformFinalBlock(data, dataLength, 0);
hash2.TransformFinalBlock(data, dataLength, 0);
hash3.TransformFinalBlock(data, dataLength, 0);
sha1_1.TransformFinalBlock(data, dataLength, 0);
Assert.That(sha1_1.Hash, Is.EqualTo(hash1.Hash));
Assert.That(sha1_1.Hash, Is.EqualTo(hash2.Hash));
Assert.That(sha1_1.Hash, Is.EqualTo(hash3.Hash));
}
}
}
public void ComputeBlocksViaReuse()
{
int dataLength = 23;
byte[] data = new byte[dataLength];
using (SHA1Managed sha1 = new SHA1Managed())
using (SHA1Reuse reuse = new SHA1Reuse()) {
SHA1Reuse hash0 = (SHA1Reuse)reuse.Clone();
sha1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
SHA1Reuse hash1 = (SHA1Reuse)reuse.Clone();
sha1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
hash1.TransformBlock(data, 0, dataLength, data, 0);
SHA1Reuse hash2 = (SHA1Reuse)reuse.Clone();
sha1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
hash1.TransformBlock(data, 0, dataLength, data, 0);
hash2.TransformBlock(data, 0, dataLength, data, 0);
SHA1Reuse hash3 = (SHA1Reuse)reuse.Clone();
sha1.TransformFinalBlock(data, dataLength, 0);
reuse.TransformFinalBlock(data, dataLength, 0);
hash0.TransformFinalBlock(data, dataLength, 0);
hash1.TransformFinalBlock(data, dataLength, 0);
hash2.TransformFinalBlock(data, dataLength, 0);
hash3.TransformFinalBlock(data, dataLength, 0);
Assert.IsTrue(sha1.Hash.SequenceEqual(reuse.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash0.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash1.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash2.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash3.Hash));
}
}
public void ComputeBlocksViaClone() {
int dataLength = 23;
byte[] data = new byte[dataLength];
using (SHA1Managed sha1 = new SHA1Managed())
using (SHA1Managed sha1_1 = new SHA1Managed())
using (SHA1Reuse reuse = new SHA1Reuse())
using (SHA1Reuse hash0 = (SHA1Reuse)reuse.Clone()) {
for (int i = 0; i < 100; i++) {
sha1.TransformBlock(data, 0, dataLength, data, 0);
sha1_1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
}
using(var hash1 = hash0.Clone() as HashAlgorithm)
using(var hash2 = hash0.Clone() as HashAlgorithm)
using(var hash3 = hash0.Clone() as HashAlgorithm) {
sha1.TransformFinalBlock(data, dataLength, 0);
reuse.TransformFinalBlock(data, dataLength, 0);
hash0.TransformFinalBlock(data, dataLength, 0);
Assert.That(sha1.Hash, Is.EqualTo(reuse.Hash));
Assert.That(sha1.Hash, Is.EqualTo(hash0.Hash));
for (int i = 0; i < 100; i++) {
sha1_1.TransformBlock(data, 0, dataLength, data, 0);
hash1.TransformBlock(data, 0, dataLength, data, 0);
hash2.TransformBlock(data, 0, dataLength, data, 0);
hash3.TransformBlock(data, 0, dataLength, data, 0);
}
hash1.TransformFinalBlock(data, dataLength, 0);
hash2.TransformFinalBlock(data, dataLength, 0);
hash3.TransformFinalBlock(data, dataLength, 0);
sha1_1.TransformFinalBlock(data, dataLength, 0);
Assert.That(sha1_1.Hash, Is.EqualTo(hash1.Hash));
Assert.That(sha1_1.Hash, Is.EqualTo(hash2.Hash));
Assert.That(sha1_1.Hash, Is.EqualTo(hash3.Hash));
}
}
}
public void ComputeBlocksViaReuse() {
int dataLength = 23;
byte[] data = new byte[dataLength];
using (SHA1Managed sha1 = new SHA1Managed())
using (SHA1Reuse reuse = new SHA1Reuse()) {
SHA1Reuse hash0 = (SHA1Reuse)reuse.Clone();
sha1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
SHA1Reuse hash1 = (SHA1Reuse)reuse.Clone();
sha1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
hash1.TransformBlock(data, 0, dataLength, data, 0);
SHA1Reuse hash2 = (SHA1Reuse)reuse.Clone();
sha1.TransformBlock(data, 0, dataLength, data, 0);
reuse.TransformBlock(data, 0, dataLength, data, 0);
hash0.TransformBlock(data, 0, dataLength, data, 0);
hash1.TransformBlock(data, 0, dataLength, data, 0);
hash2.TransformBlock(data, 0, dataLength, data, 0);
SHA1Reuse hash3 = (SHA1Reuse)reuse.Clone();
sha1.TransformFinalBlock(data, dataLength, 0);
reuse.TransformFinalBlock(data, dataLength, 0);
hash0.TransformFinalBlock(data, dataLength, 0);
hash1.TransformFinalBlock(data, dataLength, 0);
hash2.TransformFinalBlock(data, dataLength, 0);
hash3.TransformFinalBlock(data, dataLength, 0);
Assert.IsTrue(sha1.Hash.SequenceEqual(reuse.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash0.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash1.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash2.Hash));
Assert.IsTrue(sha1.Hash.SequenceEqual(hash3.Hash));
}
}