public void WhenGeneratingKeysAreOutOfRangeThenShouldThrowException()
{
int keySize = int.MaxValue;
Assert.ThrowsException <ArgumentOutOfRangeException>(() =>
{
AsymmetricCryptoUtil.GenerateKeys(keySize, out string publicKey, out string publicAndPrivateKey);
});
}
public void WhenDataToEncryptIsEmptyAndRSAParametersThenShouldThrowArgumentNullException()
{
int keySize = 1024;
RSAParameters publicKey;
RSAParameters publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Assert.ThrowsException <ArgumentNullException>(() => AsymmetricCryptoUtil.Encrypt(new byte[] { }, keySize, publicKey));
}
public void WhenByteArrayIsNullAndRSAParametersDrecryptThenShouldThrowArgumentNullException()
{
int keySize = 1024;
RSAParameters publicKey;
RSAParameters publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Assert.ThrowsException <ArgumentNullException>(() => AsymmetricCryptoUtil.Decrypt(null, keySize, publicAndPrivateKey));
}
public void WhenDataToEncryptIsNullThenShouldThrowArgumentNullException()
{
int keySize = 1024;
string publicKey;
string publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Assert.ThrowsException <ArgumentNullException>(() => AsymmetricCryptoUtil.Encrypt(null, keySize, publicKey));
}
public void WhenKeySizeIsGreaterThanMaxValueThenShouldThrowArgumentException()
{
byte[] data = { 10, 47, 67, 10, 91, 15, 33, 25 };
int keySize = 4096;
string publicKey;
string publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Assert.ThrowsException <ArgumentOutOfRangeException>(() => AsymmetricCryptoUtil.Encrypt(data, int.MaxValue, publicKey));
}
public void WhenByteArrayKeyIsOutOfRangeAndDecryptAndRSAParametersThenShouldThrowArgumentNullException()
{
byte[] data = { 10, 47, 67, 10, 91, 15, 33, 25 };
int keySize = 1024;
RSAParameters publicKey;
RSAParameters publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Assert.ThrowsException <ArgumentOutOfRangeException>(() => AsymmetricCryptoUtil.Decrypt(data, int.MaxValue, publicAndPrivateKey));
}
public void WhenByteArrayIsEmptyAndRSAParametersDrecryptThenShouldThrowArgumentNullException()
{
byte[] data = { 10, 47, 67, 10, 91, 15, 33, 25 };
int keySize = 1024;
RSAParameters publicKey;
RSAParameters publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Assert.ThrowsException <ArgumentNullException>(() => AsymmetricCryptoUtil.Decrypt(new byte[] { }, keySize, publicAndPrivateKey));
}
public void WhenDataSizeIsGreaterThanMaximumAllowedForKeyAndRSAParametersThenShouldThrowArgumentException()
{
int keySize = 384;
byte[] data = new byte[AsymmetricCryptoUtil.GetMaxDataLength(384) * 2];
Random random = new Random();
random.NextBytes(data);
AsymmetricCryptoUtil.GenerateKeys(keySize, out RSAParameters publicKey, out RSAParameters publicAndPrivateKey);
Assert.ThrowsException <ArgumentOutOfRangeException>(() => AsymmetricCryptoUtil.Encrypt(data, keySize, publicKey));
}
public void WhenGeneratingKeysThenPublicAndPrivateAndRSAParametersKeyMustBeDifferent()
{
int keySize = 4096;
RSAParameters publicKey;
RSAParameters publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
Assert.AreNotEqual(string.Empty, publicKey);
Assert.IsNotNull(publicKey);
Assert.AreNotEqual(string.Empty, publicAndPrivateKey);
Assert.IsNotNull(publicAndPrivateKey);
Assert.AreNotEqual(publicKey, publicAndPrivateKey);
}
public void WhenTextIsProvidedAndRSAParameterKeysThenShouldBeAbleToEncryptAndDecryptTest()
{
string data = "Test cryptographic RSA";
int keySize = 8192;
RSAParameters publicKey;
RSAParameters publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
var encryptedData = AsymmetricCryptoUtil.EncryptText(data, keySize, publicKey);
var decryptedData = AsymmetricCryptoUtil.DecryptText(encryptedData, keySize, publicAndPrivateKey);
Assert.AreNotEqual(data, encryptedData);
Assert.AreEqual(data, decryptedData);
}
public void WhenByteArrayIsProvidedAndRSAParameterKeysThenShouldBeAbleToEncryptAndDecryptTest()
{
byte[] data = { 10, 47, 67, 10, 91, 15, 33, 25 };
int keySize = 1024;
RSAParameters publicKey;
RSAParameters publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
var encryptedData = AsymmetricCryptoUtil.Encrypt(data, keySize, publicKey);
var decryptedData = AsymmetricCryptoUtil.Decrypt(encryptedData, keySize, publicAndPrivateKey);
CollectionAssert.AreNotEqual(data, encryptedData);
CollectionAssert.AreEqual(data, decryptedData);
}
public void WhenTextIsProvidedThenShouldBeAbleToEncryptAndDecryptTest()
{
string data = "Essa é uma string de teste para testar a criptografia assimétrica utilizando RSA.";
int keySize = 4096;
string publicKey;
string publicAndPrivateKey;
AsymmetricCryptoUtil.GenerateKeys(keySize, out publicKey, out publicAndPrivateKey);
var encryptedData = AsymmetricCryptoUtil.EncryptText(data, keySize, publicKey);
var decryptedData = AsymmetricCryptoUtil.DecryptText(encryptedData, keySize, publicAndPrivateKey);
Assert.AreNotEqual(data, encryptedData);
Assert.AreEqual(data, decryptedData);
}
