public void RandomBytesGeneration_Should_Maintain_Length()
{
//Arrange
Byte[] b1 = new Byte[1];
Byte[] b10 = new Byte[10];
Byte[] b100 = new Byte[100];
Byte[] b200 = new Byte[200];
//Act
TweetNaCl.RandomBytes(b1);
TweetNaCl.RandomBytes(b10);
TweetNaCl.RandomBytes(b100);
TweetNaCl.RandomBytes(b200);
//Assert
String text1 = Encoding.ASCII.GetString(b1);
String text10 = Encoding.ASCII.GetString(b10);
String text100 = Encoding.ASCII.GetString(b100);
String text200 = Encoding.ASCII.GetString(b200);
Assert.AreEqual(1, text1.Length);
Assert.AreEqual(10, text10.Length);
Assert.AreEqual(100, text100.Length);
Assert.AreEqual(200, text200.Length);
}
public static byte[] DecodeMessage(byte[] message, byte[] nonce, byte[] senderPublicKey, byte[] recipientPrivateKey)
{
var curvePublicKey = PublicKeyAuth.ConvertEd25519PublicKeyToCurve25519PublicKey(senderPublicKey);
var curveSecretKey = PublicKeyAuth.ConvertEd25519SecretKeyToCurve25519SecretKey(recipientPrivateKey);
return(TweetNaCl.CryptoBoxOpen(message, nonce, curvePublicKey, curveSecretKey));
}
public void TestForMessageDecryptionTweetNaCljsKeyPair()
{
Byte[] apk = Convert.FromBase64String("GK4GzNY+fbkRPd5fwYUaca70iENh2A1QRss1KBtpWU4=");
Byte[] ask = Convert.FromBase64String("HQT4qtjv/3Q0nGYX4DB776e6QeUE40wr71MxNSg0+bc=");
Byte[] bpk = new Byte[TweetNaCl.BoxPublicKeyBytes];
Byte[] bsk = new Byte[TweetNaCl.BoxSecretKeyBytes];
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] paddedMessage = new Byte[TweetNaCl.BoxZeroBytes + bMessage.Length];
Byte[] nonce = new Byte[TweetNaCl.BoxNonceBytes];
Byte[] k = new Byte[TweetNaCl.BoxBeforenmBytes];
var result = -10;
apk = TweetNaCl.CryptoBoxKeypair(ask);
Assert.AreNotEqual(result, -1, "key pair A generation failed.");
bpk = TweetNaCl.CryptoBoxKeypair(bsk);
Assert.AreNotEqual(result, -1, "key pair B generation failed.");
TweetNaCl.RandomBytes(nonce);
Assert.AreNotEqual(result, -1, "randombytes generation failed.");
var encMessage = TweetNaCl.CryptoBox(paddedMessage, nonce, bpk, ask);
Assert.AreNotEqual(result, -1, "encryption failed.");
var decMessage = TweetNaCl.CryptoBoxOpen(encMessage, nonce, apk, bsk);
Assert.AreNotEqual(result, -1, "decryption failed.");
}
public void CryptoBoxOpen_DecryptionDifferentKeyPair_Should_Success()
{
//Arrange
Byte[] apk = new Byte[TweetNaCl.BoxPublicKeyBytes];
Byte[] ask = new Byte[TweetNaCl.BoxSecretKeyBytes];
Byte[] bpk = new Byte[TweetNaCl.BoxPublicKeyBytes];
Byte[] bsk = new Byte[TweetNaCl.BoxSecretKeyBytes];
String expectedMessage = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(expectedMessage);
Byte[] nonce = new Byte[TweetNaCl.BoxNonceBytes];
apk = TweetNaCl.CryptoBoxKeypair(ask);
bpk = TweetNaCl.CryptoBoxKeypair(bsk);
TweetNaCl.RandomBytes(nonce);
//Act
var encMessage = TweetNaCl.CryptoBox(bMessage, nonce, bpk, ask);
var decMessage = TweetNaCl.CryptoBoxOpen(encMessage, nonce, apk, bsk);
//Assert
Assert.AreEqual(encMessage.Length, bMessage.Length + TweetNaCl.BoxBoxZeroBytes, "encryption failed.");
Assert.AreEqual(decMessage.Length, bMessage.Length, "decryption failed.");
var resultMessage = Encoding.ASCII.GetString(decMessage);
Assert.AreEqual(resultMessage, expectedMessage, "decryption failed.");
}
public void CryptoBoxOpenAfternm_Decryption_Should_Success()
{
//Arrange
String expectedMessage = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(expectedMessage);
Byte[] pk = new Byte[TweetNaCl.BoxPublicKeyBytes];
Byte[] sk = new Byte[TweetNaCl.BoxSecretKeyBytes];
Byte[] nonce = new Byte[TweetNaCl.BoxNonceBytes];
pk = TweetNaCl.CryptoBoxKeypair(sk);
TweetNaCl.RandomBytes(nonce);
var k = TweetNaCl.CryptoBoxBeforenm(pk, sk);
//Act
var encMessage = TweetNaCl.CryptoBoxAfternm(bMessage, nonce, k);
var decMessage = TweetNaCl.CryptoBoxOpenAfternm(encMessage, nonce, k);
//Assert
Assert.AreEqual(decMessage.Length, bMessage.Length, "decryption failed.");
Assert.AreEqual(decMessage, bMessage, "decryption failed.");
var resultMessage = Encoding.ASCII.GetString(decMessage);
Assert.AreEqual(resultMessage, expectedMessage, "decryption failed.");
}
public void CryptoSignKeypair_Generation_Should_Success()
{
//Arrange
Byte[] ssk = new Byte[TweetNaCl.SignSecretKeyBytes];
//Act
Byte[] spk = TweetNaCl.CryptoSignKeypair(ssk);
//Assert
Assert.AreEqual(Encoding.ASCII.GetString(spk).Length, 32, "Public Key for message sign generation failed.");
Assert.AreEqual(Encoding.ASCII.GetString(ssk).Length, 64, "Secret Key for message sign generation failed.");
}
public void CryptoBoxKeypair_Should_Success()
{
//Arrange
Byte[] pk = new Byte[TweetNaCl.BoxPublicKeyBytes];
Byte[] sk = new Byte[TweetNaCl.BoxSecretKeyBytes];
//Act
pk = TweetNaCl.CryptoBoxKeypair(sk);
//Assert
Assert.AreEqual(Encoding.ASCII.GetString(pk).Length, 32, "key generation failed.");
}
public void CryptoBoxBeforenm_MessageEncryption_Should_Success()
{
//Arrange
Byte[] pk = new Byte[TweetNaCl.BoxPublicKeyBytes];
Byte[] sk = new Byte[TweetNaCl.BoxSecretKeyBytes];
pk = TweetNaCl.CryptoBoxKeypair(sk);
//Act
var k = TweetNaCl.CryptoBoxBeforenm(pk, sk);
//Assert
Assert.AreEqual(k.Length, TweetNaCl.BoxBeforenmBytes, "generation of K for encryption failed.");
}
public void CryptoScalarmult_Should_Success()
{
//Arrange
Byte[] n = new Byte[TweetNaCl.ScalarmultBytes];
Byte[] p = new Byte[TweetNaCl.ScalarBytes];
Byte[] q = new Byte[TweetNaCl.ScalarmultBytes];
TweetNaCl.RandomBytes(n);
TweetNaCl.RandomBytes(p);
//Act
q = TweetNaCl.CryptoScalarmult(n, p);
//Assert
Assert.AreEqual(Encoding.ASCII.GetString(q).Length, 32, "wrong size for resulting group element q.");
}
public void CryptoSign_Should_Success()
{
//Arrange
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] ssk = new Byte[TweetNaCl.SignSecretKeyBytes];
Byte[] sMessage;
//Act
var spk = TweetNaCl.CryptoSignKeypair(ssk);
sMessage = TweetNaCl.CryptoSign(bMessage, ssk);
//Assert
Assert.AreEqual(Encoding.ASCII.GetString(sMessage).Length, bMessage.Length + TweetNaCl.SignBytes, "Message sign failed.");
}
public void CryptoSecretBox_Should_Success()
{
//Arrange
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] sk = new Byte[TweetNaCl.SecretBoxKeyBytes];
Byte[] nonce = new Byte[TweetNaCl.SecretBoxNonceBytes];
TweetNaCl.RandomBytes(sk);
TweetNaCl.RandomBytes(nonce);
//Act
var encMessage = TweetNaCl.CryptoSecretBox(bMessage, nonce, sk);
//Assert
Assert.AreEqual(encMessage.Length, bMessage.Length + TweetNaCl.BoxBoxZeroBytes, "encryption failed.");
}
internal static void key_derive(byte[] shared, byte[] salt, byte[] secretKey, byte[] pubkey)
{
var longKeyHash = new byte[64];
var shortKeyHash = new byte[32];
Array.Reverse(secretKey);
// compute Sha3(512) hash of secret key (as in prepareForScalarMultiply)
var digestSha3 = new KeccakDigest(512);
digestSha3.BlockUpdate(secretKey, 0, 32);
digestSha3.DoFinal(longKeyHash, 0);
longKeyHash[0] &= 248;
longKeyHash[31] &= 127;
longKeyHash[31] |= 64;
Array.Copy(longKeyHash, 0, shortKeyHash, 0, 32);
ScalarOperations.sc_clamp(shortKeyHash, 0);
var p = new[] { new long[16], new long[16], new long[16], new long[16] };
var q = new[] { new long[16], new long[16], new long[16], new long[16] };
TweetNaCl.Unpackneg(q, pubkey); // returning -1 invalid signature
TweetNaCl.Scalarmult(p, q, shortKeyHash, 0);
TweetNaCl.Pack(shared, p);
// for some reason the most significant bit of the last byte needs to be flipped.
// doesnt seem to be any corrosponding action in nano/nem.core, so this may be an issue in one of the above 3 functions. i have no idea.
shared[31] ^= (1 << 7);
// salt
for (var i = 0; i < salt.Length; i++)
{
shared[i] ^= salt[i];
}
// hash salted shared key
var digestSha3Two = new KeccakDigest(256);
digestSha3Two.BlockUpdate(shared, 0, 32);
digestSha3Two.DoFinal(shared, 0);
}
public void CryptoSignOpen_Should_Success()
{
//Arrange
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] ssk = new Byte[TweetNaCl.SignSecretKeyBytes];
Byte[] sMessage = new Byte[TweetNaCl.SignBytes + bMessage.Length];
Byte[] cMessage = new Byte[bMessage.Length];
var spk = TweetNaCl.CryptoSignKeypair(ssk);
sMessage = TweetNaCl.CryptoSign(bMessage, ssk);
//Act
cMessage = TweetNaCl.CryptoSignOpen(sMessage, spk);
Assert.AreEqual(cMessage.Length, bMessage.Length, "Message sign verification failed.");
Assert.AreEqual(Encoding.UTF8.GetString(cMessage), message, "Messages sign verification failed.");
}
public void CryptoHash_MessageHashing_Should_Success()
{
//Arrange
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] hsh1 = new Byte[TweetNaCl.HashBytes];
Byte[] hsh2 = new Byte[TweetNaCl.HashBytes];
var firstResult = 0;
var secontResult = 0;
//Act
firstResult = TweetNaCl.CryptoHash(hsh1, bMessage, bMessage.Length);
secontResult = TweetNaCl.CryptoHash(hsh2, bMessage, bMessage.Length);
//Assert
Assert.AreNotEqual(firstResult, -1, "First hashing call for message generation failed.");
Assert.AreNotEqual(secontResult, -1, "Second hashing call for message generation failed.");
Assert.AreEqual(hsh1, hsh2, "hash for message are not equal.");
}
public void CryptoBoxAfternm_MessageEncryption_Should_Success()
{
//Arrange
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] pk = new Byte[TweetNaCl.BoxPublicKeyBytes];
Byte[] sk = new Byte[TweetNaCl.BoxSecretKeyBytes];
Byte[] nonce = new Byte[TweetNaCl.BoxNonceBytes];
TweetNaCl.RandomBytes(nonce);
pk = TweetNaCl.CryptoBoxKeypair(sk);
var k = TweetNaCl.CryptoBoxBeforenm(pk, sk);
//Act
var encMessage = TweetNaCl.CryptoBoxAfternm(bMessage, nonce, k);
//Assert
Assert.AreEqual(encMessage.Length, bMessage.Length + TweetNaCl.BoxBoxZeroBytes, "encryption failed.");
}
static void Main(string[] args)
{
Timer timer = Metric.Timer("Requests", Unit.Requests);
for (var i = 0; i < 10; i++)
{
Byte[] apk = new Byte[TweetNaCl.BOX_PUBLICKEYBYTES];
Byte[] ask = new Byte[TweetNaCl.BOX_SECRETKEYBYTES];
Byte[] bpk = new Byte[TweetNaCl.BOX_PUBLICKEYBYTES];
Byte[] bsk = new Byte[TweetNaCl.BOX_SECRETKEYBYTES];
String message = "test";
Byte[] bMessage = Encoding.UTF8.GetBytes(message);
Byte[] nonce = new Byte[TweetNaCl.BOX_NONCEBYTES];
Byte[] k = new Byte[TweetNaCl.BOX_BEFORENMBYTES];
apk = TweetNaCl.CryptoBoxKeypair(ask);
bpk = TweetNaCl.CryptoBoxKeypair(bsk);
TweetNaCl.RandomBytes(nonce);
using (var context = timer.NewContext("Encryption"))
{
var encMessage = TweetNaCl.CryptoBox(bMessage, nonce, bpk, ask);
var decMessage = TweetNaCl.CryptoBoxOpen(encMessage, nonce, apk, bsk);
}
using (var context = timer.NewContext("Decryption"))
{
var encMessage = TweetNaCl.CryptoBox(bMessage, nonce, bpk, ask);
var decMessage = TweetNaCl.CryptoBoxOpen(encMessage, nonce, apk, bsk);
}
//Console.WriteLine(timer.);
}
Console.ReadKey();
}
public void Libsoduim_TestForBox()
{
var encMessage = TweetNaCl.CryptoBox(m, nonce, bobpk, alicesk);
Assert.AreEqual(encMessage.Length, m.Length + TweetNaCl.BoxBoxZeroBytes, "encryption failed.");
}