public void PersionalMessages()
{
string message = "test";
string messageSignatureAsHex = "20f779383f3ce0ab7781b7c8ff848e6d80f7f22d5cdc266763cd74d89c5ee0716758e75f56391711957f506d4993ae7dea62bec0f2806e6de66227f52836160a";
byte[] messageSignature = Hex.Decode(messageSignatureAsHex);
string messageNonASCII = "tæst";
string messageNonASCIISignatureAsHex = "68d1344c46d9b2ef642490ffade3155c714471dd6d097fc393edc1004031a5492270de77ef8918df7857ea348d8ba4444ed1ff8e84f19e8e685e31174356fa06";
byte[] messageNonASCIISignature = Hex.Decode(messageNonASCIISignatureAsHex);
//sign - should produce correct signature of message
byte[] msgSignature = Signing.SignMessage(message, privateKeyAsHex);
CollectionAssert.AreEqual(msgSignature, messageSignature);
//sign - should produce correct signature of message with non-ASCII chars
msgSignature = Signing.SignMessage(messageNonASCII, privateKeyAsHex);
CollectionAssert.AreEqual(msgSignature, messageNonASCIISignature);
//verify - should verify message
bool verified = Signing.VerifyMessage(message, messageSignature, Hex.ToHexString(publicKey));
Assert.IsTrue(verified);
//verify - should verify message with non-ASCII chars
verified = Signing.VerifyMessage(messageNonASCII, messageNonASCIISignature, Hex.ToHexString(publicKey));
Assert.IsTrue(verified);
// hashing produces 256 bit blake2b byte buffers
string foobar = "foobar";
string foobarHashedHex = "93a0e84a8cdd4166267dbe1263e937f08087723ac24e7dcc35b3d5941775ef47";
byte[] hash = Encoding.Hash(System.Text.Encoding.UTF8.GetBytes(foobar));
Assert.AreEqual(foobarHashedHex, Hex.ToHexString(hash));
// convert base58Check address to hex
string address = "ak_Gd6iMVsoonGuTF8LeswwDDN2NF5wYHAoTRtzwdEcfS32LWoxm";
string hex = Encoding.AddressToHex(address);
string fromHexAddress = Encoding.EncodeCheck(Hex.Decode(hex.Substring(2)), Constants.ApiIdentifiers.ACCOUNT_PUBKEY);
Assert.AreEqual(fromHexAddress, address);
// commitmentHash generation test
string kkNamespaceCommitmentId = "cm_aJBGWWjT65JqviLSexkofr5oEAEuEySNkmghsqxNjGt2WqPW8";
string generatedCommitmentId = Encoding.GenerateCommitmentHash(KK_NAMESPACE, TEST_SALT);
Assert.AreEqual(kkNamespaceCommitmentId, generatedCommitmentId);
// formatSalt generation test
byte[] oneSalt = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 110, 178, 148, 244, 193, 91 };
byte[] formattedSalt = Encoding.BigIntegerToBytes(TEST_SALT);
CollectionAssert.AreEqual(oneSalt, formattedSalt);
// nameId generation test
byte[] nameId = { 182, 98, 49, 33, 170, 167, 215, 180, 62, 190, 1, 241, 67, 76, 100, 93, 243, 101, 162, 45, 120, 34, 190, 119, 255, 230, 114, 199, 72, 36, 190, 173 };
byte[] generatedNameId = Encoding.NameId(KK_NAMESPACE);
CollectionAssert.AreEqual(nameId, generatedNameId);
// test concat nameId and salt
byte[] nameIdAndSalt = { 182, 98, 49, 33, 170, 167, 215, 180, 62, 190, 1, 241, 67, 76, 100, 93, 243, 101, 162, 45, 120, 34, 190, 119, 255, 230, 114, 199, 72, 36, 190, 173, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 110, 178, 148, 244, 193, 91 };
byte[] generatedNameIdAndSalt = Encoding.NameId(KK_NAMESPACE).Concatenate(Encoding.BigIntegerToBytes(TEST_SALT));
CollectionAssert.AreEqual(nameIdAndSalt, generatedNameIdAndSalt);
// test concat nameIdSalt and hash
nameIdAndSalt = new byte[] { 75, 154, 93, 216, 161, 119, 45, 33, 221, 255, 130, 163, 136, 227, 230, 90, 156, 162, 245, 187, 57, 193, 21, 224, 40, 39, 150, 225, 117, 59, 167, 243 };
generatedNameIdAndSalt = Encoding.Hash(Encoding.NameId(KK_NAMESPACE).Concatenate(Encoding.BigIntegerToBytes(TEST_SALT)));
CollectionAssert.AreEqual(nameIdAndSalt, generatedNameIdAndSalt);
// hash domain and namespace
byte[] generatedHash = Encoding.Hash(System.Text.Encoding.Default.GetBytes(DOMAIN));
byte[] kkHash = { 226, 34, 173, 200, 83, 245, 155, 227, 178, 61, 137, 129, 46, 107, 56, 219, 48, 231, 61, 232, 212, 25, 240, 132, 173, 147, 145, 146, 118, 88, 125, 26 };
CollectionAssert.AreEqual(kkHash, generatedHash);
byte[] generatedNS = Encoding.Hash(System.Text.Encoding.Default.GetBytes(NS));
byte[] nsHash = { 146, 139, 32, 54, 105, 67, 226, 175, 209, 30, 188, 14, 174, 46, 83, 169, 59, 241, 119, 164, 252, 243, 91, 204, 100, 213, 3, 112, 78, 101, 226, 2 };
CollectionAssert.AreEqual(nsHash, generatedNS);
}