public void TestGeneratedKeysAreNotEqual()
{
RSAParameters rSAParameters = RSAEncryptionService.GenerateKeys();
RSAParameters rSAParameters2 = RSAEncryptionService.GenerateKeys();
Assert.AreNotEqual(rSAParameters.Modulus, rSAParameters2.Modulus);
}
public void TestPrivateKeyReturnsFalseWhenPrivateKeyPresent()
{
RSAParameters privateAndPublicKey = RSAEncryptionService.GenerateKeys();
RSAEncryptionService baseLineService = new RSAEncryptionService(privateAndPublicKey);
Assert.True(baseLineService.PrivateKeyPresent());
}
public void TestPrivateKeyReturnsFalseWhenPrivateKeyNotPresent()
{
RSAParameters privateAndPublicKey = RSAEncryptionService.GenerateKeys();
RSAParameters publicKey = new RSAParameters
{
Modulus = privateAndPublicKey.Modulus,
Exponent = privateAndPublicKey.Exponent
};
RSAEncryptionService baseLineService = new RSAEncryptionService(publicKey);
Assert.False(baseLineService.PrivateKeyPresent());
}
public void TestDecryptingWithOnlyPublicKeyThrowsException()
{
RSAParameters privateAndPublicKey = RSAEncryptionService.GenerateKeys();
RSAEncryptionService baseLineService = new RSAEncryptionService(privateAndPublicKey);
string textToEncrypt = "Testing this encrypts";
byte[] baselineEncrypted = baseLineService.Encrypt(Encoding.UTF8.GetBytes(textToEncrypt));
RSAParameters publicKey = new RSAParameters
{
Modulus = privateAndPublicKey.Modulus,
Exponent = privateAndPublicKey.Exponent
};
RSAEncryptionService encryptionService = new RSAEncryptionService(publicKey);
Assert.Throws <PrivateKeyNotPresentException>(() => encryptionService.Decrypt(baselineEncrypted));
}
public void TestCreatingRSAKeyCanBeSetInConstructor()
{
RSAParameters rSAParameters = RSAEncryptionService.GenerateKeys();
RSAEncryptionService service = new RSAEncryptionService(rSAParameters);
//Check Public key
Assert.AreEqual(rSAParameters.Modulus, service.PublicKey.Modulus);
Assert.AreEqual(rSAParameters.Exponent, service.PublicKey.Exponent);
//Check Private Key
Assert.AreEqual(rSAParameters.Modulus, service.PrivateKey.Modulus);
Assert.AreEqual(rSAParameters.Exponent, service.PrivateKey.Exponent);
Assert.AreEqual(rSAParameters.P, service.PrivateKey.P);
Assert.AreEqual(rSAParameters.Q, service.PrivateKey.Q);
Assert.AreEqual(rSAParameters.DP, service.PrivateKey.DP);
Assert.AreEqual(rSAParameters.DQ, service.PrivateKey.DQ);
Assert.AreEqual(rSAParameters.D, service.PrivateKey.D);
Assert.AreEqual(rSAParameters.InverseQ, service.PrivateKey.InverseQ);
}
public void TestEncryptWorksWhenOnlyPublicKeyIsPresent()
{
RSAParameters privateAndPublicKey = RSAEncryptionService.GenerateKeys();
RSAEncryptionService baseLineService = new RSAEncryptionService(privateAndPublicKey);
string textToEncrypt = "Testing this encrypts";
byte[] baselineEncrypted = baseLineService.Encrypt(Encoding.UTF8.GetBytes(textToEncrypt));
RSAParameters publicKey = new RSAParameters
{
Modulus = privateAndPublicKey.Modulus,
Exponent = privateAndPublicKey.Exponent
};
RSAEncryptionService encryptionService = new RSAEncryptionService(publicKey);
byte[] encryptedTest = encryptionService.Encrypt(Encoding.UTF8.GetBytes(textToEncrypt));
//Assert That the encrypted text comes back as equals
Assert.AreEqual(baseLineService.Decrypt(baselineEncrypted), baseLineService.Decrypt(encryptedTest));
}
