public static bool VerifySignedHash(byte[] DataToVerify, byte[] SignedData, string user)
{
try
{
// Create a new instance of RSACryptoServiceProvider using the
// key from RSAParameters.
RSACryptoServiceProvider RSAalg = new RSACryptoServiceProvider();
Chilkat.PublicKey pukey = new Chilkat.PublicKey();
// Load the private key from an RSA PEM file:
bool success = pukey.LoadOpenSslPemFile("C:\\Users\\Lenovo\\Desktop\\Detyra1_DS-Gr-6-master\\ds\\bin\\Debug\\netcoreapp3.0\\keys\\" + user + ".pub.pem");
if (!success)
{
Console.WriteLine("Celsi publik i perdoruesit" + user + "nuk gjendet");
}
string pkeyXml;
// Get the private key in XML format:
pkeyXml = pukey.GetXml();
RSAalg.FromXmlString(pkeyXml);
// Verify the data using the signature. Pass a new instance of SHA1CryptoServiceProvider
// to specify the use of SHA1 for hashing.
return(RSAalg.VerifyData(DataToVerify, new SHA1CryptoServiceProvider(), SignedData));
}
catch (CryptographicException e)
{
Console.WriteLine(e.Message);
return(false);
}
}
static void testencrypt()
{
string Token = String.Format("{0:yyyy-MM-dd HH:mm:ss}", new DateTime(2010, 02, 02, 21, 15, 0));
//ENCRYPT
Chilkat.Cert cert3 = new Chilkat.Cert();
bool success = cert3.LoadFromBase64(mycert);
Chilkat.PublicKey pubKey3 = null;
pubKey3 = cert3.ExportPublicKey();
Chilkat.Rsa rsa3 = new Chilkat.Rsa();
success = rsa3.UnlockComponent("HAFSJORSA_K36nxU3n1Yui");
rsa3.EncodingMode = "base64";
rsa3.Charset = "ANSI";
rsa3.LittleEndian = true;
rsa3.OaepPadding = false;
rsa3.ImportPublicKey(pubKey3.GetXml());
bool usePrivateKey = false;
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
byte[] TokenArr = encoding.GetBytes(Token);
//array('B', [50, 48, 49, 48, 45, 48, 50, 45, 48, 50, 32, 50, 49, 58, 49, 53, 58, 48, 48])
//byte[] encryptedArr = rsa3.EncryptBytes(TokenArr, usePrivateKey);
string encryptedStr = rsa3.EncryptBytesENC(TokenArr, usePrivateKey);
}
public IActionResult Success()
{
// Get;
Chilkat.PublicKey pubKey = new Chilkat.PublicKey();
bool success = pubKey.LoadFromFile("qa_data/pem/rsa_public.pem");
Chilkat.Jwt jwt = new Chilkat.Jwt();
string token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";
// First verify the signature.
bool sigVerified = jwt.VerifyJwtPk(token, pubKey);
Console.WriteLine("verified: " + Convert.ToString(sigVerified));
int leeway = 60;
bool bTimeValid = jwt.IsTimeValid(token, leeway);
Console.WriteLine("time constraints valid: " + Convert.ToString(bTimeValid));
// Now let's recover the original claims JSON (the payload).
string payload = jwt.GetPayload(token);
// The payload will likely be in compact form:
Console.WriteLine(payload);
// We can format for human viewing by loading it into Chilkat's JSON object
// and emit.
Chilkat.JsonObject json = new Chilkat.JsonObject();
success = json.Load(payload);
json.EmitCompact = false;
Console.WriteLine(json.Emit());
// We can recover the original JOSE header in the same way:
string joseHeader = jwt.GetHeader(token);
// The payload will likely be in compact form:
Console.WriteLine(joseHeader);
// We can format for human viewing by loading it into Chilkat's JSON object
// and emit.
success = json.Load(joseHeader);
json.EmitCompact = false;
Console.WriteLine(json.Emit());
// @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// JwtDecode Test1=new JwtDecode();
// var x=Test1.GetName("eyJhbGciOiJSUzI1NiJ9.eyJpc3MiOiJJU1MiLCJzY29wZSI6Imh0dHBzOi8vbGFyaW0uZG5zY2UuZG91YW5lL2NpZWxzZXJ2aWNlL3dzIiwiYXVkIjoiaHR0cHM6Ly9kb3VhbmUuZmluYW5jZXMuZ291di5mci9vYXV0aDIvdjEiLCJpYXQiOiJcL0RhdGUoMTQ2ODM2MjU5Mzc4NClcLyJ9");
// // var x= Test1.TestJwtSecurityTokenHandler("CfDJ8JJa5feBk79Hq8LMUg4HHXfoWI4CgZu7vOhujmhfwtEi7rYOFiVzoUBGec1HXm2aOD69Q8AEqARSHvCmyUJAw_opdjsSfIhJS3v-Dbe0MsLw8QvdMMOuNeqEZvB93lH03TM62plyHreR5_D_G7kkvJvg5vaMUOd_GgZMRFkLMlrrcrPM8l2jOVOgD1r4WIEr0oCm9KB_T0Bt5vZ37CnPJJt7r6_yVM5yuAZU3aI92S5EYodHHhVe_OjRDqg1nALC2a2KzHbGnBKfO-7FbyocHU0QRdkl5F5VBRJVsHHNMOZJ3jUhtfflSggP_b5Imk0qNcs39rEUUC8ajLUv3zaFxaCTX6yyj-kqYg2JKYFSw7OXQZl_XiNlB2mY9cdb1xjjpbLM4SxWzB8k1rMMkXETK1ZLFpu9DUiDgoKmTqICaduGdETRjvBsVA4fa2H2ztmNWCEL7huxL41rXjYb4jXSosJ6wLpjFp2j9f1oLymvPVKeeZ_aKaxFHIJF_dUnG-nIuPUtCSAexfp4NLiWaR3ctWvQ4NKeRv-UwaBoSrSt_gSJ3QAqafrmu-vTdwIek6xPb9AWTUAC7TWCgIHgz3pQqJKnPteVWgXXsPSizg2FlcWc5kYTa0PV2kf8g7JYKHPbYPkbjDKUAiYoOG4AkFdV5z6febxVZiC4XQZLM3tZHCBUdTaFHJOwUSOX8aWna-BJBA");
// // var x= Test1.TestJwtSecurityTokenHandler();
// System.Console.WriteLine(x);
// var jwt = "eyJhbGciOiJQUzM4NCIsImtpZCI6ImJpbGJvLmJhZ2dpbnNAaG9iYml0b24uZXhhbXBsZSJ9.SXTigJlzIGEgZGFuZ2Vyb3VzIGJ1c2luZXNzLCBGcm9kbywgZ29pbmcgb3V0IHlvdXIgZG9vci4gWW91IHN0ZXAgb250byB0aGUgcm9hZCwgYW5kIGlmIHlvdSBkb24ndCBrZWVwIHlvdXIgZmVldCwgdGhlcmXigJlzIG5vIGtub3dpbmcgd2hlcmUgeW91IG1pZ2h0IGJlIHN3ZXB0IG9mZiB0by4.cu22eBqkYDKgIlTpzDXGvaFfz6WGoz7fUDcfT0kkOy42miAh2qyBzk1xEsnk2IpN6-tPid6VrklHkqsGqDqHCdP6O8TTB5dDDItllVo6_1OLPpcbUrhiUSMxbbXUvdvWXzg-UD8biiReQFlfz28zGWVsdiNAUf8ZnyPEgVFn442ZdNqiVJRmBqrYRXe8P_ijQ7p8Vdz0TTrxUeT3lm8d9shnr2lfJT8ImUjvAA2Xez2Mlp8cBE5awDzT0qI0n6uiP1aCN_2_jLAeQTlqRHtfa64QQSUmFAAjVKPbByi7xho0uTOcbH510a6GYmJUAfmWjwZ6oD4ifKo8DYM-X72Eaw";
// var handler = new JwtSecurityTokenHandler();
// var token = handler.ReadJwtToken(jwt);
// System.Console.WriteLine(token);
System.Console.WriteLine("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@");
// int? y=HttpContext.Session.GetInt32("userid");
CryptoEngine Encrypter = new CryptoEngine();
// if (y==null){
// return RedirectToAction("Index");
// }
// bool Exists=dbContext.users.Any(e=>e.UserId==(int)y);
// if(Exists==false){
// return RedirectToAction("Index");
// }
// ViewBag.UserId=(int)y;
ViewBag.UserId = 5;
List <Photos> Allphoto = dbContext.photos.ToList();
foreach (var photo in Allphoto)
{
photo.Desc = Encrypter.Decrypt(photo.Desc);
photo.PhotoPath = Encrypter.Decrypt(photo.PhotoPath);
}
ViewBag.AllPhotos = Allphoto;
return(View());
}
static string HttpGet(string url)
{
bool success = false;
HttpWebRequest req = WebRequest.Create(url) as HttpWebRequest;
string Token = String.Format("{0:yyyy-MM-dd HH:mm:ss}", new DateTime(2010, 02, 02, 21, 15, 0));
//SIGN
Chilkat.PrivateKey privkey1 = new Chilkat.PrivateKey();
privkey1.LoadPem(mykey);
Chilkat.Rsa rsa1 = new Chilkat.Rsa();
success = rsa1.UnlockComponent("HAFSJORSA_K36nxU3n1Yui");
success = rsa1.ImportPrivateKey(privkey1.GetXml());
rsa1.EncodingMode = "base64";
rsa1.Charset = "ANSI";
rsa1.LittleEndian = false;
rsa1.OaepPadding = false;
string hexSig = rsa1.SignStringENC(Token, "sha-1");
//VERIFY
Chilkat.Cert cert2 = new Chilkat.Cert();
success = cert2.LoadFromBase64(mycert);
Chilkat.PublicKey pubKey2 = null;
pubKey2 = cert2.ExportPublicKey();
Chilkat.Rsa rsa2 = new Chilkat.Rsa();
success = rsa2.ImportPublicKey(pubKey2.GetXml());
rsa2.EncodingMode = "base64";
rsa2.Charset = "ANSI";
rsa2.LittleEndian = false;
rsa2.OaepPadding = false;
success = rsa2.VerifyStringENC(Token, "sha-1", hexSig);
req.Headers.Add("Token", Token);
req.Headers.Add("Signature", hexSig);
//ENCRYPT
Chilkat.Cert cert3 = new Chilkat.Cert();
success = cert3.LoadFromBase64(mycert);
Chilkat.PublicKey pubKey3 = null;
pubKey3 = cert3.ExportPublicKey();
Chilkat.Rsa rsa3 = new Chilkat.Rsa();
success = rsa3.UnlockComponent("HAFSJORSA_K36nxU3n1Yui");
rsa3.EncodingMode = "base64";
rsa3.Charset = "ANSI";
rsa3.LittleEndian = true;
rsa3.OaepPadding = false;
rsa3.ImportPublicKey(pubKey3.GetXml());
bool usePrivateKey = false;
System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
byte[] TokenArr = encoding.GetBytes(Token);
//byte[] encryptedArr = rsa3.EncryptBytes(TokenArr, usePrivateKey);
string encryptedstr = rsa3.EncryptBytesENC(TokenArr, usePrivateKey);
//DECRYPT
Chilkat.Rsa rsa4 = new Chilkat.Rsa();
rsa4.EncodingMode = "base64";
rsa4.Charset = "ANSI";
rsa4.LittleEndian = true;
rsa4.OaepPadding = false;
rsa4.ImportPrivateKey(privkey1.GetXml());
usePrivateKey = true;
//encryptedStr = "XJ65xTR/xvD2N9xBKyKPqPijqTAyJuVtOlbaFUIboJaEPHH9pv+Lhrd5o6MSwKF6TeXs6hVsKnj8jVeYFYoEDgJS95GqaaUomWBhEZYchOp/6dn3ZxCeQoljAWLt6m4C829R9b5JYatYar9YV0d+QV+jVWE4U0rlNrkTqtA02Qw4ztN4/oehgCISrBnc81N1MYNwG9vrTHSVM6tSUWjWxMRubpOBvqKqOxyA9fpJNHgUyzio2X1cp12K++1GEUWNWyYVhTiBr/QM3mUN67mHcn0vvWZvmPhYlIaVn9DqIvVdMbHRbLwrCczFgY4PdHrhcH9yDTlkkAbKUatgDQiI4w==";
//encryptedStr = "6KQbxh+x5SGIzD89zEwj+/IVVCBocemCXWl1mr+mk9wxRMydCfmMSUHDOafnqiJ6GAJapKbLTHOc9d1OyWTwsp5BQBT5VM20hb9r+AkDrHwkgL06ifizP0gTEO17cyO95jwlRXOfkQKb3cERLBEtOAnRep4bKMSsPLyxRRBX5VT4d19yxRor2V9js0CEFONinxl7qRxjckwvQk53+qpxeQ8jOx+pmrQukX7nWkMajWi+ZFndyfLL3LfRBYZKN2R0vdrnSMKdkxUEUUJybsv4QCMWshNpQznPSantq2dKNe07eB5mX4fRufy4mY4qjqBlf8+XFKdD+J37C6r3THL6pw==";
//string decryptedStr = rsa4.DecryptStringENC(encryptedStr, usePrivateKey);
Chilkat.Crypt2 crypt = new Chilkat.Crypt2();
success = crypt.UnlockComponent("HAFSJOCrypt_0xo09cJWVQAw");
crypt.EncodingMode = "base64";
crypt.CryptAlgorithm = "none";
req.Headers.Add("authorization", "Basic " + crypt.EncryptStringENC("Mogens:Hafsjold"));
string result = null;
using (HttpWebResponse resp = req.GetResponse() as HttpWebResponse)
{
StreamReader reader = new StreamReader(resp.GetResponseStream());
result = reader.ReadToEnd();
}
return(result);
}
public static void ECC_SHared_secret()
{
bool success;
// -----------------------------------------------------------------
// (Client-Side) Generate an ECC key, save the public part to a file.
// -----------------------------------------------------------------
Chilkat.Prng prngClient = new Chilkat.Prng();
Chilkat.Ecc eccClient = new Chilkat.Ecc();
Chilkat.PrivateKey privKeyClient = eccClient.GenEccKey("secp256r1", prngClient);
if (eccClient.LastMethodSuccess != true)
{
Console.WriteLine(eccClient.LastErrorText);
return;
}
Chilkat.PublicKey pubKeyClient = privKeyClient.GetPublicKey();
pubKeyClient.SavePemFile(false, "qa_output/eccClientPub.pem");
// -----------------------------------------------------------------
// (Server-Side) Generate an ECC key, save the public part to a file.
// -----------------------------------------------------------------
Chilkat.Prng prngServer = new Chilkat.Prng();
Chilkat.Ecc eccServer = new Chilkat.Ecc();
Chilkat.PrivateKey privKeyServer = eccServer.GenEccKey("secp256r1", prngServer);
if (eccServer.LastMethodSuccess != true)
{
Console.WriteLine(eccServer.LastErrorText);
return;
}
Chilkat.PublicKey pubKeyServer = privKeyServer.GetPublicKey();
pubKeyServer.SavePemFile(false, "qa_output/eccServerPub.pem");
// -----------------------------------------------------------------
// (Client-Side) Generate the shared secret using our private key, and the other's public key.
// -----------------------------------------------------------------
// Imagine that the server sent the public key PEM to the client.
// (This is simulated by loading the server's public key from the file.
Chilkat.PublicKey pubKeyFromServer = new Chilkat.PublicKey();
pubKeyFromServer.LoadFromFile("qa_output/eccServerPub.pem");
string sharedSecret1 = eccClient.SharedSecretENC(privKeyClient, pubKeyFromServer, "base64");
// -----------------------------------------------------------------
// (Server-Side) Generate the shared secret using our private key, and the other's public key.
// -----------------------------------------------------------------
// Imagine that the client sent the public key PEM to the server.
// (This is simulated by loading the client's public key from the file.
Chilkat.PublicKey pubKeyFromClient = new Chilkat.PublicKey();
pubKeyFromClient.LoadFromFile("qa_output/eccClientPub.pem");
string sharedSecret2 = eccServer.SharedSecretENC(privKeyServer, pubKeyFromClient, "base64");
// ---------------------------------------------------------
// Examine the shared secrets. They should be the same.
// Both sides now have a secret that only they know.
// ---------------------------------------------------------
Console.WriteLine(sharedSecret1);
Console.WriteLine(sharedSecret2);
}
