private static byte[] Decode58Check(string input)
{
var decodeCheck = Base58.Decode(input);
if (decodeCheck.Length <= 4)
{
return(null);
}
var decodeData = new byte[decodeCheck.Length - 4];
Array.Copy(decodeCheck, 0, decodeData, 0, decodeData.Length);
var hash0 = Sha256.Hash(decodeData);
var hash1 = Sha256.Hash(hash0);
if (hash1[0] == decodeCheck[decodeData.Length] &&
hash1[1] == decodeCheck[decodeData.Length + 1] &&
hash1[2] == decodeCheck[decodeData.Length + 2] &&
hash1[3] == decodeCheck[decodeData.Length + 3])
{
return(decodeData);
}
return(null);
}
public void Main4Test()
{
Wallet.WalletClient wallet = GetMainNetWalletClient;
var keyTriple = new KeyTriple("B7E85CA5910922C49DCCB92EE48DFEC13A60674845CB7152C86B88F31DA6DC67");
byte[] hashTransaction1 = StringHelper.HexStringToByteArray("a7e974c6e69fb7741bf5e08de8a2d8f6617826c59422b440de22e0612b03c393");
BytesMessage bytesMessage1 = new BytesMessage();
bytesMessage1.Value = ByteString.CopyFrom(hashTransaction1);
Transaction transactionLoad1 = wallet.GetTransactionByIdAsync(bytesMessage1).GetAwaiter().GetResult();
Transaction.Types.Contract contract = transactionLoad1.RawData.Contract[0];
TransferContract transferContract = TransferContract.Parser.ParseFrom(contract.Parameter.Value.ToByteArray());
byte[] publicKeyOwner = transferContract.OwnerAddress.ToByteArray();
string encode = Base58.Encode(publicKeyOwner);
byte[] transactionRaw = transactionLoad1.RawData.ToByteArray();
byte[] hash = Sha256.Hash(transactionRaw);
string signBase64 = transactionLoad1.Signature[0].ToBase64();
byte[] byteArray = transactionLoad1.Signature[0].ToByteArray();
bool isSignatureValidFromBytes = new ECSigner().IsSignatureValidFromBytes(hash, byteArray, publicKeyOwner);
}
private string getTransactionHash(Transaction transaction)
{
byte[] transactionHash = Sha256.Hash(transaction.RawData.ToByteArray());
string txid = transactionHash.ToHexString2();
return(txid);
}
public ActionResult Login(UsersModel user)
{
using (augblogsEntities db = new augblogsEntities())
{
if (user != null &&
!String.IsNullOrEmpty(user.Username) &&
!String.IsNullOrEmpty(user.Password))
{
var username = user.Username;
var password = Sha256.Hash(user.Password);
var userLogin = (from u in db.Users
where u.Username == username && u.Password == password
select u).FirstOrDefault();
if (userLogin != null)
{
Session["UserLogin"] = userLogin;
return(RedirectToAction("Index", "Home"));
}
}
ModelState.AddModelError("", "Tên đăng nhập hoặc mật khẩu không đúng!");
}
return(View());
}
public ActionResult ChangePassword(UsersModel um)
{
if (Session["UserLogin"] == null)
{
return(RedirectToAction("Login", "Home"));
}
User user = (User)Session["UserLogin"];
string username = user.Username;
string currentPassowrd = user.Password;
string password = Sha256.Hash(um.Password);
string newPassword = Sha256.Hash(um.NewPassword);
string confirmNewPassword = Sha256.Hash(um.ConfirmPassword);
using (var db = new augblogsEntities())
{
if (string.IsNullOrEmpty(username) ||
string.IsNullOrEmpty(password) ||
string.IsNullOrEmpty(newPassword) ||
string.IsNullOrEmpty(confirmNewPassword))
{
ModelState.AddModelError("", "Hãy điền đầy đủ các trường thông tin!");
}
else if (!confirmNewPassword.Equals(newPassword))
{
ModelState.AddModelError("ConfirmPassword", "Xác nhận mật khẩu mới không khớp!");
}
else
{
if (!password.Equals(currentPassowrd))
{
ModelState.AddModelError("Password", "Mật khẩu hiện tại không chính xác!");
}
else
{
var userEdit = (from u in db.Users
where u.Username == username
select u).FirstOrDefault();
if (userEdit != null)
{
userEdit.Password = newPassword;
int updated = db.SaveChanges();
if (updated > 0)
{
ViewBag.UpdateResult = "Cập nhật mật khẩu thành công.";
}
else
{
ViewBag.UpdateResult = "Cập nhật mật khẩu không thành công!";
}
}
}
}
}
return(View(um));
}
public static byte[] sha3omit12(byte[] input)
{
byte[] hash = Sha256.Hash(input);
byte[] address = hash.SubArray(11, hash.Length - 11);
address[0] = TypeNode.AddressPreFixByte;
return(address);
}
public void Sha256_448Bits()
{
var(data, expected) = TestVectors["Sha256 448 Bits"];
var hash = Sha256.Hash(data);
CustomAssert.MatchArrays(hash, expected);
}
public void Sha256Stream_EmptyString()
{
var(data, expected) = TestVectorsStream["Sha256-Stream Empty String"];
var hash = Sha256.Hash(data);
CustomAssert.MatchArrays(hash, expected);
}
public void Hash_WithControlledInput_ResultMatchesExpected(string x, string y)
{
var input = x.FromHexToByteArray();
var hash = Sha256.Hash(input);
var expected = y.FromHexToByteArray();
hash.Should().Equal(expected);
}
public void Sha256Stream_896Bits()
{
var(data, expected) = TestVectorsStream["Sha256-Stream 896 Bits"];
var hash = Sha256.Hash(data);
CustomAssert.MatchArrays(hash, expected);
}
public void Sha256Stream_OneMillionSmallAs()
{
var(data, expected) = TestVectorsStream["Sha256-Stream One Million As"];
var hash = Sha256.Hash(data);
CustomAssert.MatchArrays(hash, expected);
}
public static bool CheckTrees(byte[] first, uint firstTreeSize, byte[] second, uint secondTreeSize, List <byte[]> consistency)
{
if (IsPowerOf2(firstTreeSize))
{
consistency.Insert(0, first);
}
var fn = firstTreeSize - 1;
var sn = secondTreeSize - 1;
var tmp = fn >> BitOperations.TrailingZeroCount(fn);
while (Lsb(fn) != 0)
{
fn >>= 1;
sn >>= 1;
}
Debug.Assert(tmp == fn);
if (consistency.Count == 0)
{
return(false);
}
var fr = consistency[0];
var sr = consistency[0];
for (int i = 1; i < consistency.Count; i++)
{
var c = consistency[i];
if (sn == 0)
{
return(false);
}
if (Lsb(fn) != 0 || fn == sn)
{
Sha256.Hash(fr, c, fr);
Sha256.Hash(sr, c, sr);
while (!(fn == 0 || Lsb(fn) != 0))
{
fn >>= 1;
sn >>= 1;
}
}
else
{
Sha256.Hash(c, sr, sr);
}
fn >>= 1;
sn >>= 1;
}
return(fr.AsSpan().SequenceEqual(first) && sr.AsSpan().SequenceEqual(second));
}
public static void HashEmptyWithSpan()
{
var a = new Sha256();
var expected = s_hashOfEmpty.DecodeHex();
var actual = new byte[expected.Length];
a.Hash(ReadOnlySpan <byte> .Empty, actual);
Assert.Equal(expected, actual);
}
private const string AddPreFixByteTestnet = "a0"; //a0 + address
private static string Encode58Check(byte[] input)
{
var hash0 = Sha256.Hash(input);
var hash1 = Sha256.Hash(hash0);
var inputCheck = new byte[input.Length + 4];
Array.Copy(input, 0, inputCheck, 0, input.Length);
Array.Copy(hash1, 0, inputCheck, input.Length, 4);
return(Base58.Encode(inputCheck));
}
public static void HashEmptyWithSize()
{
var a = new Sha256();
var expected = s_hashOfEmpty.DecodeHex();
var actual = a.Hash(ReadOnlySpan <byte> .Empty, a.MaxHashSize);
Assert.Equal(a.MaxHashSize, actual.Length);
Assert.Equal(expected, actual);
}
private static byte[] Hash(IEnumerable <byte[]> encoded)
{
Sha256 hash = New <Sha256>();
foreach (byte[] part in encoded)
{
hash.TransformBlock(part, 0, part.Length, null, 0);
}
hash.TransformFinalBlock(new byte[0], 0, 0);
return(hash.Hash());
}
public static void Test(string msg, string digest)
{
var a = new Sha256();
var m = msg.DecodeHex();
var expected = digest.DecodeHex();
var actual = a.Hash(m, expected.Length);
Assert.Equal(expected, actual);
}
private Transaction signTransaction2Object(byte[] transaction, KeyTriple privateKey)
{
Transaction transaction1 = Transaction.Parser.ParseFrom(transaction);
byte[] rawdata = transaction1.RawData.ToByteArray();
byte[] hash = Sha256.Hash(rawdata);
byte[] sign = privateKey.GetSignature(hash);
transaction1.Signature.Add(ByteString.CopyFrom(sign));
return(transaction1);
}
private async Task <string> CreateAccessToken(ISessionIdentity identity)
{
var tokenBytes = Encoding.UTF8.GetBytes(Newtonsoft.Json.JsonConvert.SerializeObject(identity));
var encryptedToken = Aes.Encrypt(tokenBytes, encryptionKey);
var hash = Sha256.Hash(tokenBytes);
var tokenSignature = (await keyVaultClient.SignAsync(signKeyIdentifier, JsonWebKeySignatureAlgorithm.RS256, hash)).Result;
return(identity.IdentityType.ToString()
+ "." + Convert.ToBase64String(encryptedToken)
+ "." + Convert.ToBase64String(tokenSignature));
}
private byte[] signTransaction2Byte(byte[] transactionBytes, KeyTriple privateKey)
{
Transaction transaction1 = Transaction.Parser.ParseFrom(transactionBytes);
byte[] rawdata = transaction1.RawData.ToByteArray();
byte[] hash = Sha256.Hash(rawdata);
byte[] sign = privateKey.GetSignature(hash);
ByteString byteString = ByteString.CopyFrom(sign);
Transaction transaction = transaction1.Clone();
transaction.Signature.Add(byteString);
return(transaction.ToByteArray());
}
public void ValidateTransactionTest()
{
Wallet.WalletClient wallet = GetMainNetWalletClient;
byte[] hashTransaction1 =
StringHelper.HexStringToByteArray("a7e974c6e69fb7741bf5e08de8a2d8f6617826c59422b440de22e0612b03c393");
BytesMessage bytesMessage1 = new BytesMessage();
bytesMessage1.Value = ByteString.CopyFrom(hashTransaction1);
Transaction signedTransaction = wallet.GetTransactionByIdAsync(bytesMessage1).GetAwaiter().GetResult();
Assert.IsTrue(signedTransaction.Signature.Count == signedTransaction.RawData.Contract.Count);
RepeatedField <Transaction.Types.Contract> listContract = signedTransaction.RawData.Contract;
byte[] hash = Sha256.Hash(signedTransaction.RawData.ToByteArray());
int count = signedTransaction.Signature.Count;
if (count == 0)
{
Assert.Fail();
}
for (int i = 0; i < count; ++i)
{
try
{
Transaction.Types.Contract contract = listContract[i];
TransferContract transferContract = TransferContract.Parser.ParseFrom(signedTransaction.RawData.Contract[i].Parameter.Value.ToByteArray());
byte[] owner = transferContract.OwnerAddress.ToByteArray();
signedTransaction.Signature[i].ToByteArray();
string signatureBase64 = Base64.ToBase64String(signedTransaction.Signature[i].ToByteArray());
byte[] address = signatureToAddress(hash, signatureBase64);
if (!Arrays.AreEqual(owner, address))
{
Assert.Fail();
}
}
catch (Exception e)
{
e.ToString();
Assert.Fail();
}
}
Assert.IsTrue(true);
}
public Transaction Sign(Transaction transaction, KeyTriple keyTriple)
{
Transaction transactionBuilderSigned = transaction.Clone();
byte[] hash = Sha256.Hash(transaction.RawData.ToByteArray());
RepeatedField <Transaction.Types.Contract> listContract = transaction.RawData.Contract;
for (int i = 0; i < listContract.Count; i++)
{
// внимание тут подпись нужно смотреть внимательное что переделалось
byte[] signatureBytes = keyTriple.GetSignature(hash);
ByteString bsSign = ByteString.CopyFrom(signatureBytes);
transactionBuilderSigned.Signature
.Add(bsSign); //Each contract may be signed with a different private key in the future.
}
transaction = transactionBuilderSigned.Clone();
return(transaction);
}
public void TestInformalMillionA()
{
byte[] bytes = new byte[] { 97, 97, 97, 97, 97, 97, 97 };
Sha256 hash = New <Sha256>();
for (int i = 0; i < 1000000; i += bytes.Length)
{
if (1000000 - i > bytes.Length)
{
hash.TransformBlock(bytes, 0, bytes.Length, null, 0);
}
else
{
hash.TransformBlock(bytes, 0, 1000000 - i, null, 0);
}
}
hash.TransformFinalBlock(new byte[0], 0, 0);
byte[] actual;
actual = hash.Hash();
Assert.That(actual, Is.EquivalentTo("CDC76E5C 9914FB92 81A1C7E2 84D73E67 F1809A48 A497200E 046D39CC C7112CD0".FromHex()));
}
private ISessionIdentity ValidateTokenBearer(ISession session, string token)
{
var parts = token.Split('.');
if (parts.Length != 3)
{
throw new HttpStatusException($"Invalid:Token(Token={token})")
{
Status = StatusCode.Unauthorized
}
}
;
var identityType = IdentityType.Unknown;
switch (parts[0])
{
case "App":
identityType = IdentityType.App;
break;
case "Usr":
identityType = IdentityType.User;
break;
case "Bot":
identityType = IdentityType.Bot;
break;
default:
throw new HttpStatusException($"Invalid:Token.IdentityType(Token={token})")
{
Status = StatusCode.Unauthorized
};
}
var encryptedToken = Convert.FromBase64String(parts[1]);
var decryptedToken = default(byte[]);
try
{
decryptedToken = Aes.Decrypt(encryptedToken, encryptionKey);
}
catch (Exception e)
{
throw new HttpStatusException($"UnableDecrypt:Token(Token={token})", e)
{
Status = StatusCode.Unauthorized
};
}
var hash = Sha256.Hash(decryptedToken);
var sign = Convert.FromBase64String(parts[2]);
if (!Rsa.VerifySha256Hash(hash, sign, jwk.N, jwk.E))
{
throw new HttpStatusException($"ValidateFail:Signature(Token={token})")
{
Status = StatusCode.Unauthorized
}
}
;
var tokenString = Encoding.UTF8.GetString(decryptedToken);
ISessionIdentity identity = default(AnonymousIdentity);
switch (identityType)
{
case IdentityType.App:
identity = Newtonsoft.Json.JsonConvert.DeserializeObject <AppIdentity>(tokenString);
break;
case IdentityType.User:
identity = Newtonsoft.Json.JsonConvert.DeserializeObject <UserIdentity>(tokenString);
break;
case IdentityType.Bot:
//identity = Newtonsoft.Json.JsonConvert.DeserializeObject<BotI>
break;
default:
throw new HttpStatusException($"Invalid:Token.IdentityType(Token={token})")
{
Status = StatusCode.Unauthorized
};
}
//if (identity == null) throw new HttpStatusException("Null:Identity") { Status = StatusCode.Unauthorized };
if (identity.ClientDeviceId != session.ClientDeviceId || identity.ClientSessionId != session.ClientSessionId)
{
throw new HttpStatusException(
$"NotMatch:Session(IdentityDeviceId={identity.ClientDeviceId}, CurrentDeviceId={session.ClientDeviceId}, IdentitySessionId={identity.ClientSessionId}, CurrentSessionId={session.ClientSessionId})")
{
Status = StatusCode.Unauthorized
}
}
;
if (identity.ExpireIn < DateTime.UtcNow.Ticks)
{
throw new HttpStatusException("Expired:Identity")
{
Status = StatusCode.Unauthorized
}
}
;
return(identity);
}
public byte[] GetTransactionHash(Transaction transaction)
{
byte[] hashTransaction = Sha256.Hash(transaction.RawData.ToByteArray());
return(hashTransaction);
}
public void Sign(DateTime t, string[] includeHeaders = null, int debugLevel = 1)
{
if (includeHeaders == null)
{
includeHeaders = new string[] { "host", "content-type", "x-rai-date" };
}
if (this.Creds == null)
{
return;
}
// ISO8601 date/time strings for time of request
string signatureDate = String.Format("{0:yyyyMMddTHHmmssZ}", t);
string scopeDate = String.Format("{0:yyyyMMdd}", t);
// Authentication scope
string scope = string.Join("/", new string[] {
scopeDate, EnumString.GetDescription(this.Region), this.Service, "rai01_request"
});
// SHA256 hash of content
Sha256 shaw256HashAlgo = new Sha256();
byte[] reqContent = InnerReq.Content.ReadAsByteArrayAsync().Result;
byte[] sha256Hash = shaw256HashAlgo.Hash(reqContent);
string contentHash = sha256Hash.ToHex();
// HTTP headers
InnerReq.Headers.Authorization = null;
// Include "x-rai-date" in signed headers
if (!InnerReq.Headers.Contains("x-rai-date"))
{
InnerReq.Headers.TryAddWithoutValidation("x-rai-date", signatureDate);
}
var allHeaders = InnerReq.Headers.Union(InnerReq.Content.Headers);
// Sort and lowercase() Headers to produce canonical form
string canonicalHeaders = string.Join(
"\n",
from header in allHeaders
orderby header.Key.ToLower()
where includeHeaders.Contains(header.Key.ToLower())
select string.Format(
"{0}:{1}",
header.Key.ToLower(),
string.Join(",", header.Value).Trim()
)
);
string signedHeaders = string.Join(
";",
from header in allHeaders
orderby header.Key.ToLower()
where includeHeaders.Contains(header.Key.ToLower())
select header.Key.ToLower()
);
// Sort Query String
var parsedQuery = HttpUtility.ParseQueryString(InnerReq.RequestUri.Query);
var parsedQueryDict = parsedQuery.AllKeys.SelectMany(
parsedQuery.GetValues, (k, v) => new { key = k, value = v }
);
string query = string.Join(
"&",
from qparam in parsedQueryDict
orderby qparam.key, qparam.value
select string.Format(
"{0}={1}",
HttpUtility.UrlEncode(qparam.key),
HttpUtility.UrlEncode(qparam.value))
);
// Create hash of canonical request
string canonicalForm = string.Format(
"{0}\n{1}\n{2}\n{3}\n\n{4}\n{5}",
InnerReq.Method,
HttpUtility.UrlPathEncode(InnerReq.RequestUri.AbsolutePath),
query,
canonicalHeaders,
signedHeaders,
contentHash
);
if (debugLevel > 2)
{
Console.WriteLine("reqContent:");
Console.WriteLine(System.Text.Encoding.Default.GetString(reqContent));
Console.WriteLine("canonical_form:");
Console.WriteLine(canonicalForm);
Console.WriteLine();
}
sha256Hash = shaw256HashAlgo.Hash(Encoding.UTF8.GetBytes(canonicalForm));
string canonicalHash = sha256Hash.ToHex();
// Create and sign "String to Sign"
string stringToSign = string.Format(
"RAI01-ED25519-SHA256\n{0}\n{1}\n{2}", signatureDate, scope, canonicalHash
);
byte[] seed = Convert.FromBase64String(Creds.PrivateKey);
// select the Ed25519 signature algorithm
var algorithm = SignatureAlgorithm.Ed25519;
// create a new key pair
using var key = Key.Import(algorithm, seed, KeyBlobFormat.RawPrivateKey);
// sign the data using the private key
byte[] signature = algorithm.Sign(key, Encoding.UTF8.GetBytes(stringToSign));
string sig = signature.ToHex();
if (debugLevel > 2)
{
Console.WriteLine("string_to_sign:");
Console.WriteLine(stringToSign);
Console.WriteLine();
Console.WriteLine("signature:");
Console.WriteLine(sig);
Console.WriteLine();
}
var authHeader = string.Format(
"RAI01-ED25519-SHA256 Credential={0}/{1}, SignedHeaders={2}, Signature={3}",
Creds.AccessKey,
scope,
signedHeaders,
sig
);
InnerReq.Headers.TryAddWithoutValidation("Authorization", authHeader);
}
private byte[] getBlockHash(Block block)
{
return(Sha256.Hash(block.BlockHeader.RawData.ToByteArray()));
}
