public void Decrypt_Should_ThrowException_When_RSAPublicKeyIsProvided()
{
// Arrange
var e1 = new ASymmetricEncryption(_publicKey);
// Act & Assert
Assert.Throws <InvalidOperationException>(
() =>
{
var encrypted = e1.Decrypt(_targetData);
});
}
public void Decrypt_Should_ThrowException_When_NoEncryptedDataProvided()
{
// Arrange
var e2 = new ASymmetricEncryption(_privateKey);
var encrypted = new EncryptionData();
// Act & Assert
Assert.Throws <ArgumentException>(() =>
{
var decrypted = e2.Decrypt(encrypted);
});
}
public void Decrypt_Should_ReturnExpectedResult_When_ProvidedCorrectPrivateKey()
{
// Arrange
var e1 = new ASymmetricEncryption(_publicKey);
var e2 = new ASymmetricEncryption(_privateKey);
// Act
var encrypted = e1.Encrypt(_targetData);
var decrypted = e2.Decrypt(encrypted);
// Assert
Assert.True(_targetData.Text == decrypted.Text);
}
public void Decrypt_Should_ThrowException_When_RSAPublicKeyIsProvided_When_UsingStream()
{
// Arrange
var e1 = new ASymmetricEncryption(_publicKey);
EncryptionData encrypted;
// Act & Assert
Assert.Throws <InvalidOperationException>(
() =>
{
using (var sr = new StreamReader($"{_assemblyPath}sample.doc"))
{
encrypted = e1.Decrypt(sr.BaseStream);
}
});
}
public void Decrypt_Should_ThrowException_When_ProvidedWrongPrivateKey()
{
// Arrange
var wrongKey = RsaPrivateKey.LoadFromCertificateFile(
$"{_assemblyPath}ASymmetricEncryptionWrong.pfx",
"password");
var e1 = new ASymmetricEncryption(_publicKey);
var e2 = new ASymmetricEncryption(wrongKey);
var encrypted = e1.Encrypt(_targetData);
// Act & Assert
Assert.Throws <CryptographicException>(() =>
{
var decrypted = e2.Decrypt(encrypted);
});
}
public void Decrypt_Should_ReturnExpectedResult_When_ProvidedCorrectPrivateKeyAndUsingStream()
{
// Arrange
var e1 = new ASymmetricEncryption(_publicKey);
var e2 = new ASymmetricEncryption(_privateKey);
// Act
var encrypted = e1.Encrypt(_targetData);
EncryptionData decrypted;
using (var stream = new MemoryStream(encrypted.Bytes))
{
decrypted = e2.Decrypt(stream);
}
// Assert
Assert.True(_targetData.Text == decrypted.Text);
}
