public void Test_Extract_SHA256_Ok(string ikmStr, string saltStr, string prkStr)
{
byte[] ikm = ConvertHexStringToBytes(ikmStr);
byte[] salt = ConvertHexStringToBytes(saltStr);
NuniToolbox.Cryptography.HKDF hkdf = new NuniToolbox.Cryptography.HKDF(() => new HMACSHA256());
byte[] prk = hkdf.Extract(ikm, salt);
Assert.NotNull(prk);
Assert.Equal(prkStr, ConvertBytesToHexString(prk));
}
public void Test_Expand_SHA256_Ok(string prkStr, string infoStr, int length, string okmStr)
{
byte[] prk = ConvertHexStringToBytes(prkStr);
byte[] info = ConvertHexStringToBytes(infoStr);
NuniToolbox.Cryptography.HKDF hkdf = new NuniToolbox.Cryptography.HKDF(() => new HMACSHA256());
byte[] okm = hkdf.Expand(prk, info, length);
Assert.NotNull(okm);
Assert.Equal(length, okm.Length);
Assert.Equal(okmStr, ConvertBytesToHexString(okm));
}
public void Test_DeriveKey_SHA256_Ok(string ikmStr, string saltStr, string infoStr, int length, string okmStr)
{
byte[] ikm = ConvertHexStringToBytes(ikmStr);
byte[] salt = ConvertHexStringToBytes(saltStr);
byte[] info = ConvertHexStringToBytes(infoStr);
NuniToolbox.Cryptography.HKDF hkdf = new NuniToolbox.Cryptography.HKDF(() => new HMACSHA256());
byte[] okm = hkdf.DeriveKey(ikm, salt, info, length);
Assert.NotNull(okm);
Assert.Equal(length, okm.Length);
Assert.Equal(okmStr, ConvertBytesToHexString(okm));
}