public string GenerateSignature(string compactJson, string method, string nonceStr, string privateKey, string requestUrl, string signType, string timestamp, string environment)
{
string signedData = "";
try
{
//GenerateSignatureResult result = new GenerateSignatureResult();
string plainText = "";
if (compactJson != "")
{
string encodedData = Encode.Base64Encode(compactJson);
plainText = String.Format("data={0}&method={1}&nonceStr={2}&requestUrl={3}&signType={4}×tamp={5}", encodedData, method, nonceStr, requestUrl, signType, timestamp);
}
else
{
plainText = String.Format("method={0}&nonceStr={1}&requestUrl={2}&signType={3}×tamp={4}", method, nonceStr, requestUrl, signType, timestamp);
}
byte[] plainTextByte = Encoding.UTF8.GetBytes(plainText);
RSACryptoServiceProvider provider = PemKeyUtils.GetRSAProviderFromPemFile(privateKey);
string prikey = provider.ToXmlString(true);
byte[] signedBytes = provider.SignData(plainTextByte, CryptoConfig.MapNameToOID("SHA256"));
signedData = Convert.ToBase64String(signedBytes);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
return(signedData);
}
public string Encrypt(string target)
{
var key = "-----BEGIN PUBLIC KEY-----\YOURKEY\n-----END PUBLIC KEY-----";
var rsaProvider = PemKeyUtils.GetRSAProviderFromPemString(key);
RSAEncyptionManager manager = new RSAEncyptionManager(rsaProvider, RSAEncryptionPadding.Pkcs1);
return(Convert.ToBase64String(manager.Encrypt(target)));
}
protected override void OnCreate(Bundle savedInstanceState)
{
rsaProvider = PemKeyUtils.GetRSAProviderFromPemString(key);
base.OnCreate(savedInstanceState);
shp = Application.Context.GetSharedPreferences("ewosettings", FileCreationMode.Append);
edtr = shp.Edit();
if (!shp.Contains("Area"))
{
edtr.PutString("Area", "");
edtr.Commit();
}
if (!shp.Contains("name"))
{
edtr.PutString("name", "invalid");
edtr.Commit();
}
if (!shp.Contains("token"))
{
edtr.PutString("token", "invalid");
edtr.Commit();
}
if (!shp.Contains("record_id"))
{
edtr.PutString("record_id", "not_found");
edtr.Commit();
}
if (shp.GetString("record_id", "not_found") != "not_found")
{
StartActivity(typeof(MainActivity));
}
SetContentView(Resource.Layout.InitailSettings);
tv1 = FindViewById <TextView>(Resource.Id.textView1);
ed1 = FindViewById <EditText>(Resource.Id.tokenEdit);
phoneText = FindViewById <EditText>(Resource.Id.phoneEdit);
valText = FindViewById <EditText>(Resource.Id.validEditText);
emailText = FindViewById <EditText>(Resource.Id.emailEdit);
tokenID = FindViewById <TextView>(Resource.Id.tokenID);
tv2 = FindViewById <TextView>(Resource.Id.textView2);
tv4 = FindViewById <TextView>(Resource.Id.textView4);
tv5 = FindViewById <TextView>(Resource.Id.textView5);
tv6 = FindViewById <TextView>(Resource.Id.textView6);
tv7 = FindViewById <TextView>(Resource.Id.textView7);
tv8 = FindViewById <TextView>(Resource.Id.textView8);
userName = FindViewById <TextView>(Resource.Id.userNameText);
userDept = FindViewById <TextView>(Resource.Id.depText);
b1 = FindViewById <Button>(Resource.Id.button1);
b3 = FindViewById <Button>(Resource.Id.button3);
b2 = FindViewById <Button>(Resource.Id.button2);
b3.Click += requestValidation;
b2.Click += B2_Click;
b1.Click += B1_Click;
switchUI(true);
// Create your application here
}
public static string GetEncryptedPassword(this IInstaApi api, string password, long?providedTime = null)
{
var pubKey = api.GetLoggedUser().PublicKey;
var pubKeyId = api.GetLoggedUser().PublicKeyId;
byte[] randKey = new byte[32];
byte[] iv = new byte[12];
secureRandom.NextBytes(randKey, 0, randKey.Length);
secureRandom.NextBytes(iv, 0, iv.Length);
long time = providedTime ?? DateTime.UtcNow.ToUnixTime();
byte[] associatedData = Encoding.UTF8.GetBytes(time.ToString());
var pubKEY = Encoding.UTF8.GetString(Convert.FromBase64String(pubKey));
byte[] encryptedKey;
using (var rdr = PemKeyUtils.GetRSAProviderFromPemString(pubKEY.Trim()))
encryptedKey = rdr.Encrypt(randKey, false);
byte[] plaintext = Encoding.UTF8.GetBytes(password);
var cipher = new GcmBlockCipher(new AesEngine());
var parameters = new AeadParameters(new KeyParameter(randKey), 128, iv, associatedData);
cipher.Init(true, parameters);
var ciphertext = new byte[cipher.GetOutputSize(plaintext.Length)];
var len = cipher.ProcessBytes(plaintext, 0, plaintext.Length, ciphertext, 0);
cipher.DoFinal(ciphertext, len);
var con = new byte[plaintext.Length];
for (int i = 0; i < plaintext.Length; i++)
{
con[i] = ciphertext[i];
}
ciphertext = con;
var tag = cipher.GetMac();
byte[] buffersSize = BitConverter.GetBytes(Convert.ToInt16(encryptedKey.Length));
byte[] encKeyIdBytes = BitConverter.GetBytes(Convert.ToUInt16(pubKeyId));
if (BitConverter.IsLittleEndian)
{
Array.Reverse(encKeyIdBytes);
}
encKeyIdBytes[0] = 1;
var payload = Convert.ToBase64String(encKeyIdBytes.Concat(iv).Concat(buffersSize).Concat(encryptedKey).Concat(tag).Concat(ciphertext).ToArray());
return($"#PWD_INSTAGRAM:4:{time}:{payload}");
}
public static string Encrypt(string plaintext, string publickey)
{
string ciphertext;
RSACryptoServiceProvider pubKeyCSP = PemKeyUtils.GetRSAProviderFromPem(publickey);
byte[] dataToEncrypt = Encoding.UTF8.GetBytes(plaintext);
using (pubKeyCSP)
{
byte[] encrypted = pubKeyCSP.Encrypt(dataToEncrypt, true);
ciphertext = Convert.ToBase64String(encrypted);
}
return(ciphertext);
}
static void Main(string[] args)
{
RSACryptoServiceProvider provider = PemKeyUtils.GetRSAProviderFromPemFile(@"C:\Users\nmose\Desktop\rsa\rsa_2048_pub.pem");
AesCryptoServiceProvider aes = new AesCryptoServiceProvider();
string originFile = @"C:\Users\nmose\Desktop\rsa\info.txt";
string encryFile = @"C:\Users\nmose\Desktop\rsa\info-crypto.bin";
string decrypFile = @"C:\Users\nmose\Desktop\rsa\info-decrypto.txt";
string msg = "";
CryptoFile.GenerateEncryFile(provider, aes, originFile, encryFile, ref msg);
RSACryptoServiceProvider providerPrivate = PemKeyUtils.GetRSAProviderFromPemFile(@"C:\Users\nmose\Desktop\rsa\rsa_2048_priv.pem");
CryptoFile.DecrypFile(providerPrivate, encryFile, decrypFile, ref msg);
}
//OAuth oauth_consumer_key = "jira", oauth_nonce = "LyiqlQJcnUmcvqNvMPJLzNyPTEQnlKFFrFqlGayGg", oauth_signature_method = "RSA-SHA1", oauth_timestamp = "1539430294", oauth_version = "1.0", oauth_token = "fdfgfgfg", oauth_signature = "X%2F%2BVnUmrxKOqQxgXPJ6n1kBTMI1Igq7b1Cd6Kziq8QbkF7yVZGnP8c6azof0hlzf2LF013oFqDnf2NEpvSqeCWpn7YPg7PgAzEY%2Bzn5RI3NQcXsGMoSLZeVjQL%2FthWbAzeAfZUrz9fx2tV%2BQzSZS7bpmQ%2BeShO5IEGeq6EjgajU%3D"
private void SetAuthorizatonHeader(HttpClient client, Model.UserSession userSession, string url, string requestType)
{
var key = PemKeyUtils.GetRSAProviderFromString(userSession.AuthClientConfig.ConsumerSecret);
var oauth = new OAuth.OAuthRequest();
oauth.RequestUrl = url;
oauth.Method = requestType;
oauth.ConsumerKey = userSession.AuthClientConfig.ConsumerKey;
oauth.ConsumerSecret = userSession.AuthClientConfig.ConsumerSecret;
oauth.SignatureMethod = OAuthSignatureMethod.RsaSha1;
oauth.Token = userSession.AccessToken;
oauth.TokenSecret = userSession.AccessSecret;
oauth.Version = "1.0";
oauth.Type = OAuthRequestType.ProtectedResource;
var authorizationHeader = oauth.GetAuthorizationHeader();
client.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("OAuth", authorizationHeader.Substring(5));
}
public static byte[] RSAEncryptBytes(byte[] dataToEncrypt, string publicKeyPath)
{
RSACryptoServiceProvider provider = PemKeyUtils.GetRSAProviderFromPemFile(publicKeyPath);
return(provider.Encrypt(dataToEncrypt, false));
}
