public unsafe void Hkdf(string input)
{
var lines = input.Split('\n').Select(l => l.Trim().Split('=')).ToDictionary(val => val[0], val => val[1]);
HashType hashType = (HashType)Enum.Parse(typeof(HashType), lines["Hash"], true);
var ikm = StringToByteArray(lines["IKM"]);
var salt = string.IsNullOrEmpty(lines["salt"]) ? new byte[0] : StringToByteArray(lines["salt"]);
var info = string.IsNullOrEmpty(lines["info"]) ? new byte[0] : StringToByteArray(lines["info"]);
var prk = StringToByteArray(lines["PRK"]);
var okm = StringToByteArray(lines["OKM"]);
var provider = new HashProvider();
var prkResult = new byte[provider.HashSize(hashType)];
var okmResult = new byte[okm.Length];
fixed(byte *iPtr = ikm)
fixed(byte *sPtr = salt)
fixed(byte *prPtr = prkResult)
{
HkdfFunctions.HkdfExtract(provider, hashType, sPtr, salt.Length, iPtr, ikm.Length, prPtr, prkResult.Length);
HkdfFunctions.HkdfExpand(provider, hashType, prPtr, prkResult.Length, new Span <byte>(info), new Span <byte>(okmResult));
}
Assert.Equal <byte>(prkResult, prk);
for (int i = 0; i < okmResult.Length; i++)
{
Assert.Equal(okmResult[i], okm[i]);
}
}
