public void DecryptFromOtherSdkTest()
{
var secret = new EncryptionKey(1, s_passwordAsKey);
using var cipher = new AesGcmPbkdf10KBase64Cipher(Encoding.UTF8);
var decryptedMessage = cipher.Decrypt(CipherMessageV2, secret);
Assert.AreEqual("SomeSecretBody!234567=!@#$%^&**()_+|\"{}'", decryptedMessage);
}
public void AesGcmDecryptNegativeTest()
{
var secret = new EncryptionSecret(1, Encoding.UTF8.GetBytes("password"));
using var cipher = new AesGcmPbkdf10KBase64Cipher(Encoding.UTF8);
const string wrongCipheredText = "Nw5G/Ut36NVnt8+6EHg9iOYWX194";
var exception = Assert.Throws <StorageCryptoException>(() => cipher.Decrypt(wrongCipheredText, secret));
Assert.AreEqual("Encrypted text is incorrect", exception.Message);
Assert.Throws <FormatException>(() => cipher.Decrypt("123", secret));
}
public void AesGcmBase64CipherTest()
{
var text = Guid.NewGuid().ToString();
var secret = new EncryptionKey(1, s_passwordAsKey);
using var cipher = new AesGcmPbkdf10KBase64Cipher(Encoding.UTF8);
var cipherMessage = cipher.Encrypt(text, secret);
Assert.NotNull(cipherMessage);
var decryptedMessage = cipher.Decrypt(cipherMessage.Data.Substring(2), secret);
Assert.AreEqual(text, decryptedMessage);
}
public void AesGcmBase64CipherNegativeTest()
{
var wrongKey = new EncryptionSecret(1, Encoding.UTF8.GetBytes(Guid.NewGuid().ToString()));
using var cipher = new AesGcmPbkdf10KBase64Cipher(Encoding.UTF8);
var exception =
Assert.Throws <StorageCryptoException>(() => cipher.Decrypt(CipherMessageV2, wrongKey));
Assert.AreEqual("Invalid cipher for decryption", exception.Message);
exception = Assert.Throws <StorageCryptoException>(() => cipher.Decrypt(CipherMessageV2));
Assert.AreEqual("No secret provided", exception.Message);
exception = Assert.Throws <StorageCryptoException>(() => cipher.Decrypt(null, wrongKey));
Assert.AreEqual("Encrypted text is incorrect", exception.Message);
}
public void DefaultCurrentCipherTest()
{
const int secretVersion = 7;
var secret = new EncryptionSecret(secretVersion, Encoding.UTF8.GetBytes("password"));
using var cipher = new AesGcmPbkdf10KBase64Cipher(Encoding.UTF8);
using var cryptoProvider = new CryptoProvider();
var text = Guid.NewGuid().ToString();
var encryptResult =
cryptoProvider.Encrypt(text, new SecretsData(new List <Secret> {
secret
}, secret));
Assert.NotNull(encryptResult);
Assert.AreEqual(secretVersion, encryptResult.KeyVersion);
var decrypted = cipher.Decrypt(encryptResult.Data.Substring(2), secret);
Assert.AreEqual(text, decrypted);
}