private void MakeFail(string strData, string testValue, int saltLength)
{
string strHash, strSalt;
SaltedHash sh = new SaltedHash(new SHA256Managed(), saltLength);
sh.GetHashAndSalt(strData, out strHash, out strSalt);
Assert.IsFalse(sh.VerifyHash(testValue, strHash, strSalt), "Should not verify");
}
private void HashAndVerify(int saltLength, int dataLength)
{
byte[] binData = new byte[dataLength];
byte[] binHash, binSalt;
string strData = string.Empty;
string strHash, strSalt;
for (int index = 0; index < dataLength; index++)
{
binData[index] = (byte)index;
strData += index.ToString().Last();
}
SaltedHash sh = new SaltedHash(new SHA256Managed(), saltLength);
sh.GetHashAndSalt(binData, out binHash, out binSalt);
Assert.IsTrue(sh.VerifyHash(binData, binHash, binSalt), "Verfiy failed");
sh.GetHashAndSalt(strData, out strHash, out strSalt);
Assert.IsTrue(sh.VerifyHash(strData, strHash, strSalt), "Verfiy failed");
}
private void CheckSaltLength(int saltLength, int dataLength)
{
byte[] binData = new byte[dataLength];
byte[] binHash, binSalt;
string strData = string.Empty;
string strHash, strSalt;
for (int index = 0; index < dataLength; index++)
{
binData[index] = (byte)index;
strData += index.ToString().Last();
}
SaltedHash sh = new SaltedHash(new SHA256Managed(), saltLength);
sh.GetHashAndSalt(binData, out binHash, out binSalt);
Assert.AreEqual(saltLength, binSalt.Length, "Binary salt is wrong length");
sh.GetHashAndSalt(strData, out strHash, out strSalt);
byte[] strSaltAsBin = Convert.FromBase64String(strSalt);
Assert.AreEqual(saltLength, strSaltAsBin.Length, "String salt is wrong length");
}