public void GetString_UpperCase()
{
byte[] input = new byte[] { 0x0A, 0xAC, 0x1F, 0x00 };
string result = HexConvertor.GetString(input, HexFormat.UpperCase);
Assert.AreEqual("0AAC1F00", result);
}
public void CompareOriginalSha256(string hexKey, string hexLabel, string hexContent, int iterations)
{
byte[] key = HexConvertor.GetBytes(hexKey);
byte[] label = HexConvertor.GetBytes(hexLabel);
byte[] content = HexConvertor.GetBytes(hexContent);
Func <HMAC> hmacfactory = () => new HMACSHA256();
byte[] resultOriginal = new byte[124];
byte[] resultCustom = new byte[124];
SecurityDriven.Inferno.Kdf.SP800_108_Ctr.DeriveKey(hmacfactory,
key,
label.Length == 0 ? null : label,
content.Length == 0 ? null : content,
resultOriginal,
(uint)iterations);
SP800_108.DeriveKey(hmacfactory,
key,
label.Length == 0 ? Span <byte> .Empty : label,
content.Length == 0 ? Span <byte> .Empty : content,
resultCustom,
(uint)iterations);
Assert.AreEqual(HexConvertor.GetString(resultOriginal), HexConvertor.GetString(resultCustom));
}
public void Example_ComputeHash()
{
byte[] first = Encoding.ASCII.GetBytes("Hello ");
byte[] second = Encoding.ASCII.GetBytes("world!");
using SHA256 sha = SHA256.Create();
sha.Update(first);
sha.Update(second);
byte[] hash = sha.DoFinal();
string result = $"SHA256 of 'Hello world!' is {HexConvertor.GetString(hash)}";
Assert.IsNotNull(result);
}
