public async void WorkWithImageFileAndWrongKeyTestAsync()
{
var RAW_FILE = Path.Combine("Testfiles", "MyAwesomeChipmunkKiller.jpg");
var OUTPUT_DIRECTORY = Path.Combine("Testfiles", "decrypted");
const string PRIVATE_KEY = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string PUBLIC_KEY = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
var testKeyPair = PublicKeyBox.GenerateKeyPair();
Console.Write("Encrypting testfile . . .\n");
//encrypt the file with an ephmeral key
var encryptedFile =
await
Cryptor.EncryptFileWithStreamAsync(keyPair, testKeyPair.PublicKey, RAW_FILE, null, OUTPUT_DIRECTORY,
".test", true);
Console.Write("Decrypting testfile . . .\n");
//try to decrypt with an wrong key
var decryptedFile =
await
Cryptor.DecryptFileWithStreamAsync(keyPair, Path.Combine(OUTPUT_DIRECTORY, encryptedFile),
OUTPUT_DIRECTORY);
Console.Write("Get checksum of testfiles . . .\n");
Assert.AreEqual(Utils.GetChecksum(RAW_FILE),
Utils.GetChecksum(Path.Combine(OUTPUT_DIRECTORY, decryptedFile)));
//clear garbage
File.Delete(Path.Combine(OUTPUT_DIRECTORY, encryptedFile));
File.Delete(Path.Combine(OUTPUT_DIRECTORY, decryptedFile));
}
public void EncryptionInputFileNotFoundTest()
{
const string PRIVATE_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string PUBLIC_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
Cryptor.EncryptFileWithStream(testKeyPair, "badfile");
}
public async void DecryptionInputFileNotFoundTestAsync()
{
const string PRIVATE_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string PUBLIC_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
await Cryptor.DecryptFileWithStreamAsync(testKeyPair, "badfile", Path.Combine("Testfiles", "decrypted"));
}
public async Task WorkWithImageFileAndWrongKeyTestAsync()
{
var rawFile = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "MyAwesomeChipmunkKiller.jpg");
var outputDirectory = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "decrypted");
const string privateKey = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string publicKey = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
var testKeyPair = PublicKeyBox.GenerateKeyPair();
Console.Write("Encrypting testfile . . .\n");
//encrypt the file with an ephmeral key
var encryptedFile =
await
Cryptor.EncryptFileWithStreamAsync(keyPair, testKeyPair.PublicKey, rawFile, null, outputDirectory,
".test", true);
Console.Write("Decrypting testfile . . .\n");
//try to decrypt with an wrong key
var decryptedFile =
Assert.ThrowsAsync<CryptographicException>(
async () => await
Cryptor.DecryptFileWithStreamAsync(keyPair,
Path.Combine(TestContext.CurrentContext.TestDirectory, outputDirectory, encryptedFile),
outputDirectory));
File.Delete(Path.Combine(TestContext.CurrentContext.TestDirectory, outputDirectory, encryptedFile));
}
public KeyPair(Sodium.KeyPair a)
{
this.PublicKey = PublicKeyAuth
.ConvertEd25519PublicKeyToCurve25519PublicKey(a.PublicKey);
this.PrivateKey = PublicKeyAuth
.ConvertEd25519SecretKeyToCurve25519SecretKey(a.PrivateKey);
}
public void EncryptionNoPublicKeyInPairTest()
{
const string privateKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(null, Utilities.HexToBinary(privateKey));
Assert.Throws<NullReferenceException>(
() => { Cryptor.EncryptFileWithStream(testKeyPair, "badfile"); });
}
public async Task WorkWithImageFileByteArrayTestAsync()
{
var progressEncrypt = new Progress<StreamCryptorTaskAsyncProgress>();
var progressDecrypt = new Progress<StreamCryptorTaskAsyncProgress>();
progressEncrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Encrypting: " + e.ProgressPercentage + "%\n"); };
progressDecrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Decrypting: " + e.ProgressPercentage + "%\n"); };
var rawFile = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "MyAwesomeChipmunkKiller.jpg");
var outputDirectory = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "decrypted");
const string privateKey = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string publicKey = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Console.Write("Encrypting testfile . . .\n");
var encryptedFile =
await
Cryptor.EncryptFileWithStreamAsync(keyPair.PrivateKey, keyPair.PublicKey,
Utilities.HexToBinary(publicKey), rawFile, progressEncrypt, outputDirectory, ".test", true);
Console.Write("Decrypting testfile . . .\n");
var decryptedFileObject =
await
Cryptor.DecryptFileWithStreamAsync(keyPair.PrivateKey,
Path.Combine(TestContext.CurrentContext.TestDirectory, outputDirectory, encryptedFile),
progressDecrypt);
Console.Write("Get checksum of testfiles . . .\n");
Assert.AreEqual(Utils.GetChecksum(rawFile), Utils.GetChecksum(decryptedFileObject.FileData));
//clear garbage
File.Delete(Path.Combine(TestContext.CurrentContext.TestDirectory, outputDirectory, encryptedFile));
}
public void DecryptionCancellationTestAsync()
{
var cancellationTokenSource = new CancellationTokenSource();
var progressEncrypt = new Progress<StreamCryptorTaskAsyncProgress>();
var progressDecrypt = new Progress<StreamCryptorTaskAsyncProgress>();
progressEncrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Encrypting: " + e.ProgressPercentage + "%\n"); };
progressDecrypt.ProgressChanged +=
(s, e) =>
{
if (e.ProgressPercentage > 10)
{
cancellationTokenSource.Cancel();
}
Console.WriteLine("Decrypting: " + e.ProgressPercentage + "%\n");
};
var rawFile = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "MyAwesomeChipmunkKiller.jpg");
var outputDirectory = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "decrypted");
const string privateKey = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string publicKey = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Console.Write("Encrypting testfile . . .\n");
var encryptedFile = Cryptor.EncryptFileWithStream(keyPair.PrivateKey, keyPair.PublicKey,
Utilities.HexToBinary(publicKey), rawFile, outputDirectory, ".test", true);
Console.Write("Decrypting testfile . . .\n");
Assert.ThrowsAsync<TaskCanceledException>(async () => await
Cryptor.DecryptFileWithStreamAsync(keyPair.PrivateKey, Path.Combine(outputDirectory, encryptedFile),
outputDirectory, progressDecrypt, cancellationToken: cancellationTokenSource.Token));
}
/// <summary>
/// Constructs the server given the Network key and its keypair
/// </summary>
/// <param name="network_key">
/// The key that identifies the network
/// </param>
/// <param name="server_keypair">
/// The server's long term keypair
/// </param>
public Server(byte[] network_key, Sodium.KeyPair server_keypair)
{
this._network_key = network_key;
this._longterm_server_keypair = server_keypair;
_ephemeral_server_keypair = new KeyPair(PublicKeyAuth.GenerateKeyPair());
}
public async void WorkWithImageFileTestAsync()
{
var progressEncrypt = new Progress<StreamCryptorTaskAsyncProgress>();
var progressDecrypt = new Progress<StreamCryptorTaskAsyncProgress>();
progressEncrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Encrypting: " + e.ProgressPercentage + "%\n"); };
progressDecrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Decrypting: " + e.ProgressPercentage + "%\n"); };
var RAW_FILE = Path.Combine("Testfiles", "MyAwesomeChipmunkKiller.jpg");
var OUTPUT_DIRECTORY = Path.Combine("Testfiles", "decrypted");
const string PRIVATE_KEY = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string PUBLIC_KEY = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
Console.Write("Encrypting testfile . . .\n");
var encryptedFile =
await
Cryptor.EncryptFileWithStreamAsync(keyPair.PrivateKey, keyPair.PublicKey,
Utilities.HexToBinary(PUBLIC_KEY), RAW_FILE, progressEncrypt, OUTPUT_DIRECTORY, ".test", true);
Console.Write("Decrypting testfile . . .\n");
var decryptedFile =
await
Cryptor.DecryptFileWithStreamAsync(keyPair.PrivateKey, Path.Combine(OUTPUT_DIRECTORY, encryptedFile),
OUTPUT_DIRECTORY, progressDecrypt);
Console.Write("Get checksum of testfiles . . .\n");
Assert.AreEqual(Utils.GetChecksum(RAW_FILE),
Utils.GetChecksum(Path.Combine(OUTPUT_DIRECTORY, decryptedFile)));
//clear garbage
File.Delete(Path.Combine(OUTPUT_DIRECTORY, encryptedFile));
File.Delete(Path.Combine(OUTPUT_DIRECTORY, decryptedFile));
}
public void EncryptionInvalidPrivateKeyInPairTest()
{
const string PRIVATE_KEY =
"863df54207c285feac2c22235c336869fee8dba6605b8e1bc45cc8aa5e1be3fd7e53781865717d686cb3fee427823ffd8c71ea6a4d8f79c0b410457c9f881fa3";
const string PUBLIC_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
Cryptor.EncryptFileWithStream(testKeyPair, "badfile");
}
public async void DecryptioInvalidPublicKeyInPairTestAsync()
{
const string PRIVATE_KEY =
"863df54207c285feac2c22235c336869fee8dba6605b8e1bc45cc8aa5e1be3fd7e53781865717d686cb3fee427823ffd8c71ea6a4d8f79c0b410457c9f881fa3";
const string PUBLIC_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
await Cryptor.DecryptFileWithStreamAsync(testKeyPair, "badfile", Path.Combine("Testfiles", "decrypted"));
}
public async void DecryptionOutputFolderNotFoundTestAsync()
{
var TESTFILE_RAW = Path.Combine("Testfiles", "MyAwesomeChipmunkKiller.jpg");
const string PRIVATE_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string PUBLIC_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
await Cryptor.DecryptFileWithStreamAsync(testKeyPair, TESTFILE_RAW, "badfolder");
}
public void DecryptionInputFileNotFoundTestAsync()
{
const string privateKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string publicKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Assert.ThrowsAsync<FileNotFoundException>(
async () => await Cryptor.DecryptFileWithStreamAsync(testKeyPair, "badfile", Path.Combine("Testfiles", "decrypted")));
}
/// <summary>
/// Sign the specified message with the private key.
/// </summary>
/// <param name='privateKey'>
/// The private key.
/// </param>
/// <param name='message'>
/// The message.
/// </param>
/// <returns>
/// The message that has been signed (encrypted) by the private key.
/// </returns>
public byte[] Sign(byte[] privateKey, byte[] message)
{
if(Keys == null)
{
Keys = PublicKeyAuth.GenerateKeyPair(privateKey);
}
return PublicKeyAuth.Sign(message, Keys.PrivateKey);
}
public void EncryptionBadFileExtensionTest()
{
var testfileRaw = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "MyAwesomeChipmunkKiller.jpg");
const string privateKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string publicKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Assert.Throws<ArgumentOutOfRangeException>(
() => { Cryptor.EncryptFileWithStream(testKeyPair, testfileRaw, Path.Combine("Testfiles", "decrypted"), "hulk"); });
}
public void DecryptioInvalidPublicKeyInPairTestAsync()
{
const string privateKey =
"863df54207c285feac2c22235c336869fee8dba6605b8e1bc45cc8aa5e1be3fd7e53781865717d686cb3fee427823ffd8c71ea6a4d8f79c0b410457c9f881fa3";
const string publicKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Assert.ThrowsAsync<ArgumentOutOfRangeException>(
async () => await Cryptor.DecryptFileWithStreamAsync(testKeyPair, "badfile", Path.Combine("Testfiles", "decrypted")));
}
public void EncryptionInputFileNotFoundTest()
{
const string privateKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string publicKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Assert.Throws<FileNotFoundException>(
() => { Cryptor.EncryptFileWithStream(testKeyPair, "badfile"); });
}
public void GenerateKeySeedTest()
{
var expected = new KeyPair(Utilities.HexToBinary("76a1592044a6e4f511265bca73a604d90b0529d1df602be30a19a9257660d1f5"),
Utilities.HexToBinary("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff76a1592044a6e4f511265bca73a604d90b0529d1df602be30a19a9257660d1f5"));
var actual = PublicKeyAuth.GenerateKeyPair(Utilities.HexToBinary("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
CollectionAssert.AreEqual(expected.PublicKey, actual.PublicKey);
CollectionAssert.AreEqual(expected.PrivateKey, actual.PrivateKey);
}
public void DecryptionOutputFolderNotFoundTest()
{
var testfileRaw = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "MyAwesomeChipmunkKiller.jpg");
const string privateKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string publicKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Assert.Throws<DirectoryNotFoundException>(
() => { Cryptor.DecryptFileWithStream(testKeyPair, testfileRaw, "badfolder"); });
}
/// <summary>
/// Constructs the client given
/// </summary>
/// <param name="network_key">
/// The key that identifies the network
/// </param>
/// <param name="server_pk">
/// The long term server public key
/// </param>
/// <param name="client_keys">
/// The long term client key pair
/// </param>
public Client(byte[] network_key, byte[] server_pk, Sodium.KeyPair client_keys)
{
this._network_key = network_key;
var ed_keypair = PublicKeyAuth.GenerateKeyPair();
_ephemeral_client_keypair = new KeyPair(ed_keypair);
_longterm_server_pk = server_pk;
_longterm_client_keypair = client_keys;
}
/// <summary>
/// Constructor to prepare the communication.
/// </summary>
/// <param name="clientPrivateKey">The clients 32 byte private key (hex format)</param>
/// <exception cref="NotSupportedException"></exception>
public KnownPasswords(string clientPrivateKey)
{
SignaurKeyPair =
new KeyPair(
PublicKeyAuth.ExtractEd25519PublicKeyFromEd25519SecretKey(Utilities.HexToBinary(clientPrivateKey)),
Utilities.HexToBinary(clientPrivateKey));
EncryptionKeyPair = PublicKeyBox.GenerateKeyPair();
// the API only accepts TLS 1.2 connections
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
_restClient = new RestClient(ServerApiUrl);
}
/// <summary>
/// Initializes a new instance of the <see cref="CoCKeyPair"/> class with the
/// specified public key and private key.
/// </summary>
/// <param name="publicKey">Public key.</param>
/// <param name="privateKey">Private key.</param>
/// <exception cref="ArgumentNullException"><paramref name="publicKey"/> is null.</exception>
/// <exception cref="ArgumentNullException"><paramref name="privateKey"/> is null.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="publicKey"/> length is not 32.</exception>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="privateKey"/> length is not 32.</exception>
public CoCKeyPair(byte[] publicKey, byte[] privateKey)
{
if (publicKey == null)
throw new ArgumentNullException("publicKey");
if (publicKey.Length != PublicKeyBox.PublicKeyBytes)
throw new ArgumentOutOfRangeException("publicKey", "publicKey must be 32 bytes in length.");
if (privateKey == null)
throw new ArgumentNullException("privateKey");
if (privateKey.Length != PublicKeyBox.SecretKeyBytes)
throw new ArgumentOutOfRangeException("privateKey", "publicKey must be 32 bytes in length.");
_keyPair = new KeyPair(publicKey, privateKey);
}
public void WorkWithImageFileTest()
{
var rawFile = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "MyAwesomeChipmunkKiller.jpg");
var outputDirectory = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "decrypted");
const string privateKey = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string publicKey = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Console.Write("Encrypting testfile . . .\n");
var encryptedFile = Cryptor.EncryptFileWithStream(keyPair, Utilities.HexToBinary(publicKey), rawFile,
outputDirectory, ".test", true);
Console.Write("Decrypting testfile . . .\n");
var decryptedFile = Cryptor.DecryptFileWithStream(keyPair, Path.Combine(outputDirectory, encryptedFile),
outputDirectory);
Console.Write("Get checksum of testfiles . . .\n");
Assert.AreEqual(Utils.GetChecksum(rawFile),
Utils.GetChecksum(Path.Combine(outputDirectory, decryptedFile)));
//clear garbage
File.Delete(Path.Combine(outputDirectory, encryptedFile));
File.Delete(Path.Combine(outputDirectory, decryptedFile));
}
public void KeyPairModuloTest()
{
//Don`t copy bobSk for other tests (bad key)!
//30 byte
var bobSk = new byte[] {
0x5d,0xab,0x08,0x7e,0x62,0x4a,0x8a,0x4b,
0x79,0xe1,0x7f,0x8b,0x83,0x80,0x0e,0xe6,
0x6f,0x3b,0xb1,0x29,0x26,0x18,0xb6,0xfd,
0x1c,0x2f,0x8b,0x27,0xff,0x88
};
//32 byte
var bobPk = new byte[] {
0xde,0x9e,0xdb,0x7d,0x7b,0x7d,0xc1,0xb4,
0xd3,0x5b,0x61,0xc2,0xec,0xe4,0x35,0x37,
0x3f,0x83,0x43,0xc8,0x5b,0x78,0x67,0x4d,
0xad,0xfc,0x7e,0x14,0x6f,0x88,0x2b,0x4f
};
var kp = new KeyPair(bobPk, bobSk);
//we should never get here
Assert.IsNull(kp);
}
public void EncryptionCancellationTestAsync()
{
var cancellationTokenSource = new CancellationTokenSource();
var progressEncrypt = new Progress<StreamCryptorTaskAsyncProgress>();
progressEncrypt.ProgressChanged +=
(s, e) =>
{
if (e.ProgressPercentage > 10)
{
cancellationTokenSource.Cancel();
}
Console.WriteLine("Encrypting: " + e.ProgressPercentage + "%\n");
};
var testfileRaw = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "MyAwesomeChipmunkKiller.jpg");
const string privateKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string publicKey = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Assert.ThrowsAsync<TaskCanceledException>(async () => await
Cryptor.EncryptFileWithStreamAsync(testKeyPair, testfileRaw, progressEncrypt,
Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "decrypted"), ".sccef",
cancellationToken: cancellationTokenSource.Token));
}
public void EncryptionNoPrivateKeyInPairTest()
{
const string PUBLIC_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), null);
Cryptor.EncryptFileWithStream(testKeyPair, "badfile");
}
public async Task WorkWithStreamTestSmallAsync()
{
var progressEncrypt = new Progress<StreamCryptorTaskAsyncProgress>();
var progressDecrypt = new Progress<StreamCryptorTaskAsyncProgress>();
progressEncrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Encrypting: " + e.ProgressPercentage + "%\n"); };
progressDecrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Decrypting: " + e.ProgressPercentage + "%\n"); };
const string privateKey = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string publicKey = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var outputDirectory = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "decrypted");
var keyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
var TESTFILE_RAW = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "verysmallfile.dat");
const long TESTFILE_SIZE_KB = 1;
Console.Write("Generating {0} KB testfile . . .\n", TESTFILE_SIZE_KB);
var fs = new FileStream(TESTFILE_RAW, FileMode.CreateNew);
fs.Seek(TESTFILE_SIZE_KB*1024, SeekOrigin.Begin);
fs.WriteByte(0);
fs.Close();
var data = File.ReadAllBytes(TESTFILE_RAW);
var stream = new MemoryStream(data);
Console.Write("Encrypting MemoryStream . . .\n");
var encryptedFile =
await
Cryptor.EncrypMemoryStreamAsync(keyPair.PrivateKey, keyPair.PublicKey,
Utilities.HexToBinary(publicKey), TESTFILE_RAW, stream, outputDirectory, ".test", true, progressEncrypt)
.ConfigureAwait(false);
Console.Write("Decrypting testfile (" + encryptedFile + ") . . .\n");
var decryptedFileObject =
await
Cryptor.DecryptFileWithStreamAsync(keyPair.PrivateKey, Path.Combine(outputDirectory, encryptedFile),
progressDecrypt).ConfigureAwait(false);
Console.Write("Get checksum of testfiles . . .\n");
Assert.AreEqual(Utils.GetChecksum(TESTFILE_RAW), Utils.GetChecksum(decryptedFileObject.FileData));
//clear garbage
File.Delete(Path.Combine(TestContext.CurrentContext.TestDirectory, outputDirectory, encryptedFile));
File.Delete(TESTFILE_RAW);
}
/// <summary>
/// Decrypts a file asynchron into memory with libsodium and protobuf-net.
/// </summary>
/// <param name="keyPair">The KeyPair to decrypt the ephemeralKey.</param>
/// <param name="inputFile">An encrypted file.</param>
/// <param name="decryptionProgress">StreamCryptorTaskAsyncProgress object.</param>
/// <param name="cancellationToken">Token to request task cancellation.</param>
/// <returns>A DecryptedFile object.</returns>
/// <remarks>This method can throw an OutOfMemoryException when there is not enough ram to hold the DecryptedFile!</remarks>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="FileNotFoundException"></exception>
/// <exception cref="BadLastFileChunkException"></exception>
/// <exception cref="BadFileChunkException"></exception>
/// <exception cref="BadFileFooterException"></exception>
/// <exception cref="BadFileHeaderException"></exception>
/// <exception cref="IOException"></exception>
/// <exception cref="OutOfMemoryException"></exception>
/// <exception cref="OperationCanceledException"></exception>
public static async Task<DecryptedFile> DecryptFileWithStreamAsync(KeyPair keyPair, string inputFile, IProgress<StreamCryptorTaskAsyncProgress> decryptionProgress = null, CancellationToken cancellationToken = default(CancellationToken))
{
//validate the keyPair
if (!ValidateKeyPair(keyPair))
{
throw new ArgumentOutOfRangeException("keypair", "invalid keypair");
}
return await DecryptFileWithStreamAsync(keyPair.PrivateKey, inputFile, decryptionProgress, cancellationToken).ConfigureAwait(false);
}
public void EncryptionBadFileExtensionTest()
{
var TESTFILE_RAW = Path.Combine("Testfiles", "MyAwesomeChipmunkKiller.jpg");
const string PRIVATE_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
const string PUBLIC_KEY = "1158b1ea7d45919968b87dab6cab27eff5871304ea9856588e9ec02a6d93c42e";
var testKeyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
Cryptor.EncryptFileWithStream(testKeyPair, TESTFILE_RAW, Path.Combine("Testfiles", "decrypted"), "hulk");
}
public async void DecryptionCancellationTestAsync()
{
var cancellationTokenSource = new CancellationTokenSource();
var progressEncrypt = new Progress<StreamCryptorTaskAsyncProgress>();
var progressDecrypt = new Progress<StreamCryptorTaskAsyncProgress>();
progressEncrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Encrypting: " + e.ProgressPercentage + "%\n"); };
progressDecrypt.ProgressChanged +=
(s, e) =>
{
if (e.ProgressPercentage > 10)
{
cancellationTokenSource.Cancel();
}
Console.WriteLine("Decrypting: " + e.ProgressPercentage + "%\n");
};
var RAW_FILE = Path.Combine("Testfiles", "MyAwesomeChipmunkKiller.jpg");
var OUTPUT_DIRECTORY = Path.Combine("Testfiles", "decrypted");
const string PRIVATE_KEY = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string PUBLIC_KEY = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(PUBLIC_KEY), Utilities.HexToBinary(PRIVATE_KEY));
Console.Write("Encrypting testfile . . .\n");
var encryptedFile =
await
Cryptor.EncryptFileWithStreamAsync(keyPair.PrivateKey, keyPair.PublicKey,
Utilities.HexToBinary(PUBLIC_KEY), RAW_FILE, progressEncrypt, OUTPUT_DIRECTORY, ".test", true, cancellationTokenSource.Token);
Console.Write("Decrypting testfile . . .\n");
var decryptedFile =
await
Cryptor.DecryptFileWithStreamAsync(keyPair.PrivateKey, Path.Combine(OUTPUT_DIRECTORY, encryptedFile),
OUTPUT_DIRECTORY, progressDecrypt, cancellationToken: cancellationTokenSource.Token);
}
public async Task WorkWithVerySmallFileTestAsync()
{
var progressEncrypt = new Progress<StreamCryptorTaskAsyncProgress>();
var progressDecrypt = new Progress<StreamCryptorTaskAsyncProgress>();
progressEncrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Encrypting: " + e.ProgressPercentage + "%\n"); };
progressDecrypt.ProgressChanged +=
(s, e) => { Console.WriteLine("Decrypting: " + e.ProgressPercentage + "%\n"); };
var testfileRaw = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "verysmallfile.dat");
var testfileDecryptedFile = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles", "decrypted",
"verysmallfile.dat");
var testfileDecryptedOutputDirectory = Path.Combine(TestContext.CurrentContext.TestDirectory, "Testfiles",
"decrypted");
const string outputDirectory = "Testfiles";
const long testfileSizeKb = 1;
const string privateKey = "31d9040b00a170532929b37db0afcb989e4175f96e5f9667ee8cbf5706679a71";
const string publicKey = "6d0deec730700f9f60687a4e6e8755157ca22ea2f3815b9bf14b1fe9ae6a0b4d";
var keyPair = new KeyPair(Utilities.HexToBinary(publicKey), Utilities.HexToBinary(privateKey));
Console.Write("Generating {0} KB testfile . . .\n", testfileSizeKb);
var fs = new FileStream(testfileRaw, FileMode.CreateNew);
fs.Seek(testfileSizeKb*1024, SeekOrigin.Begin);
fs.WriteByte(0);
fs.Close();
Console.Write("Encrypting testfile . . .\n");
var encryptedFile = await Cryptor.EncryptFileWithStreamAsync(keyPair, testfileRaw, progressEncrypt);
Console.Write("Decrypting testfile . . .\n");
await
Cryptor.DecryptFileWithStreamAsync(keyPair,
Path.Combine(TestContext.CurrentContext.TestDirectory, outputDirectory, encryptedFile),
testfileDecryptedOutputDirectory, progressDecrypt);
Console.Write("Get checksum of testfiles . . .\n");
Assert.AreEqual(Utils.GetChecksum(testfileRaw), Utils.GetChecksum(testfileDecryptedFile));
//clear garbage
File.Delete(testfileRaw);
File.Delete(Path.Combine(TestContext.CurrentContext.TestDirectory, outputDirectory, encryptedFile));
File.Delete(testfileDecryptedFile);
}
/// <summary>
/// Makes the public key from the provider private key.
/// </summary>
/// <returns>
/// The public key.
/// </returns>
/// <param name='privateKey'>
/// Private key.
/// </param>
public byte[] MakePublicKey(byte[] privateKey)
{
Keys = PublicKeyAuth.GenerateKeyPair(privateKey);
return Keys.PublicKey;
}
