public void GenerateSalt_given_null_or_whitespace_password_throws_ArgumentException(string password)
{
// arrange
CryptoService cryptoService = new CryptoService();
// assert
Assert.Throws<ArgumentException>(() => cryptoService.GenerateSalt(password));
}
public void ComputeHash_given_null_or_whitespace_password_throws_ArgumentException(string password)
{
// arrange
CryptoService cryptoService = new CryptoService();
// assert
Assert.Throws<ArgumentException>(() => cryptoService.ComputeHash("salt", password));
}
public void ComputeHash_given_salt_and_password_returns_hash()
{
// arrange
CryptoService cryptoService = new CryptoService();
// act
string hash = cryptoService.ComputeHash("R9WRwHWu+SXABMLfG+2i3rAb6BmsbDf0rFnm0XkSyzk=", "password");
// assert
Assert.That(hash, Is.Not.Null.Or.Empty);
}
public void GenerateSalt_given_password_returns_salt()
{
// arrange
CryptoService cryptoService = new CryptoService();
// act
string salt = cryptoService.GenerateSalt("password");
// assert
Assert.That(salt, Is.Not.Null.Or.Empty);
}
public void GenerateSalt_called_repeatedly_with_same_password_returns_different_salts()
{
// arrange
CryptoService cryptoService = new CryptoService();
// act
string salt1 = cryptoService.GenerateSalt("password");
string salt2 = cryptoService.GenerateSalt("password");
// assert
Assert.That(salt1, Is.Not.Null.Or.Empty);
Assert.That(salt2, Is.Not.Null.Or.Empty);
Assert.That(salt1 != salt2);
}
public void ComputeHash_given_same_salt_with_different_passwords_returns_different_hashes()
{
// arrange
CryptoService cryptoService = new CryptoService();
// act
string hash1 = cryptoService.ComputeHash("R9WRwHWu+SXABMLfG+2i3rAb6BmsbDf0rFnm0XkSyzk=", "password1");
string hash2 = cryptoService.ComputeHash("R9WRwHWu+SXABMLfG+2i3rAb6BmsbDf0rFnm0XkSyzk=", "password2");
// assert
Assert.That(hash1, Is.Not.Null.Or.Empty);
Assert.That(hash2, Is.Not.Null.Or.Empty);
Assert.That(hash1 != hash2);
}
public void Generator()
{
CryptoService cryptoService = new CryptoService();
const string password = "******";
string salt = cryptoService.GenerateSalt(password);
string hash = cryptoService.ComputeHash(salt, password);
Console.WriteLine("{0} {1}", salt, hash);
}
public void VerifyPassword_given_correct_password_returns_true()
{
// arrange
CryptoService cryptoService = new CryptoService();
// act
bool verifyPassword = cryptoService.VerifyPassword("R9WRwHWu+SXABMLfG+2i3rAb6BmsbDf0rFnm0XkSyzk=",
"4art8TSw2hi4hgu2EN0DrSnvOX5/sjFs8IyJxm4j/VQ=",
"password");
// assert
Assert.IsTrue(verifyPassword);
}
public void VerifyPassword_given_null_or_whitespace_hash_throws_ArgumentException(string hash)
{
// arrange
CryptoService cryptoService = new CryptoService();
// assert
Assert.Throws<ArgumentException>(() => cryptoService.VerifyPassword("salt", hash, "password"));
}
public void ComputeHash_called_repeatedly_with_same_salt_and_password_returns_same_hash()
{
// arrange
CryptoService cryptoService = new CryptoService();
// act
string hash1 = cryptoService.ComputeHash("R9WRwHWu+SXABMLfG+2i3rAb6BmsbDf0rFnm0XkSyzk=", "password");
string hash2 = cryptoService.ComputeHash("R9WRwHWu+SXABMLfG+2i3rAb6BmsbDf0rFnm0XkSyzk=", "password");
// assert
Assert.That(hash1, Is.Not.Null.Or.Empty);
Assert.That(hash2, Is.Not.Null.Or.Empty);
Assert.That(hash1 == hash2);
}
public void ComputeHash_given_different_salts_with_same_password_returns_different_hashes()
{
// arrange
CryptoService cryptoService = new CryptoService();
// act
string hash1 = cryptoService.ComputeHash("R9WRwHWu+SXABMLfG+2i3rAb6BmsbDf0rFnm0XkSyzk=", "password");
string hash2 = cryptoService.ComputeHash("lqeCOZp4gkbl5AjS80FNbYjr+HU9GGS2wtKo9HRQm+I=", "password");
// assert
Assert.That(hash1, Is.Not.Null.Or.Empty);
Assert.That(hash2, Is.Not.Null.Or.Empty);
Assert.That(hash1 != hash2);
}