public void ComputeHashTest()
{
// http://tools.ietf.org/html/rfc4868#section-2.7.1
{
var base16 = new Base16(ConvertStringCase.Lower);
var key = base16.StringToBytes("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b");
var value = base16.StringToBytes("4869205468657265");
var result = base16.BytesToString(Hmac_Sha2_256.ComputeHash(value, key));
Assert.True(result == "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7");
}
{
var random = new Random();
var caseList = new List <int>();
caseList.AddRange(Enumerable.Range(1, 64));
caseList.AddRange(new int[] { 100, 1000, 10000, 1024 * 1024, 1024 * 1024 * 32 });
var buffer = new byte[1024 * 32];
random.NextBytes(buffer);
for (int i = 0; i < caseList.Count; i++)
{
var key = new byte[caseList[i]];
random.NextBytes(key);
using (var stream = new MemoryStream(buffer))
using (var hmacSha256 = new HMACSHA256(key))
{
Assert.True(BytesOperations.SequenceEqual(hmacSha256.ComputeHash(stream), Hmac_Sha2_256.ComputeHash(buffer, key)));
}
}
}
}