public unsafe void RandomInputs()
{
var rng = new Random();
var md5 = MD5.Create();
var digest = default(Md5Digest);
for (var byteLength = 0; byteLength < 10000; byteLength++)
{
for (var i = 0; i < 5; i++)
{
var input = new byte[byteLength];
rng.NextBytes(input);
var expected = md5.ComputeHash(input);
fixed(byte *ptr = input)
{
UnsafeMd5.ComputeHash(ptr, input.Length, &digest);
}
AssertDigestsAreEqual(input, expected, ref digest);
}
}
}
public unsafe void WriteBytes()
{
var input = new byte[100];
var rng = new Random();
rng.NextBytes(input);
Md5Digest digest;
UnsafeMd5.ComputeHash(input, out digest);
var expected = digest.GetBytes();
var buffer1 = new byte[Md5Digest.SIZE + 2];
var buffer2 = new byte[Md5Digest.SIZE + 2];
fixed(byte *onePtr = buffer1)
{
digest.WriteBytes(&onePtr[1]);
digest.WriteBytes(buffer2, 1);
}
const int end = Md5Digest.SIZE + 1;
Assert.AreEqual(0, buffer1[0]);
Assert.AreEqual(0, buffer2[0]);
Assert.AreEqual(0, buffer1[end]);
Assert.AreEqual(0, buffer2[end]);
for (var i = 0; i < Md5Digest.SIZE; i++)
{
Assert.AreEqual(expected[i], buffer1[i + 1]);
Assert.AreEqual(expected[i], buffer2[i + 1]);
}
}
public unsafe void ManagedVsUnmanaged()
{
var rng = new Random();
var input = new byte[100];
rng.NextBytes(input);
Md5Digest managed, unmanaged;
UnsafeMd5.ComputeHash(input, out managed);
fixed(byte *inputPtr = input)
UnsafeMd5.ComputeHash(inputPtr, input.Length, &unmanaged);
Assert.AreEqual(managed, unmanaged);
}