public static string SignDataWithPrivateKey(string strData,
string keyPrivate,
string hashAlgorithm,
out string error)
{
try
{
Chilkat.Rsa rsa = new Chilkat.Rsa();
rsa.ImportPrivateKey(keyPrivate);
// sign a string, and receive the signature in a hex-encoded string.
// Therefore, set the encoding mode to "hex":
rsa.EncodingMode = "hex";
// It is important to match the byte-ordering.
// The LittleEndian property may be set to true for little-endian byte ordering,
// or false for big-endian byte ordering.
// Microsoft apps typically use little-endian, while
// OpenSSL and other services (such as Amazon CloudFront) use big-endian.
rsa.LittleEndian = false;
// Sign the string using the md5 hash algorithm.
// Other valid choices are "md2", "sha256", "sha384",
// "sha512", and "sha-1".
string hexSignature = rsa.SignStringENC(strData, hashAlgorithm);
error = string.Empty;
return(hexSignature);
}
catch (Exception ex)
{
error = ex.Message;
return(null);
}
}
private UserKeys GenerateNewKeyPair()
{
var rsa = new Chilkat.Rsa();
rsa.GenerateKey(RsaKeySize);
var publicKey = rsa.ExportPublicKey();
var privateKey = rsa.ExportPrivateKey();
var symetricKey = EncryptionManager.GenerateSymmetricKey();
var rsaEncryptor = new Chilkat.Rsa {
EncodingMode = EncodingMode
};
rsaEncryptor.ImportPrivateKey(privateKey);
// Encrypted with private so that public key can get access to symmetric key
var encryptedSymetricKey = rsaEncryptor.EncryptStringENC(symetricKey, true);
// Encrypted with application key so that the application can manage access to private keys
var encryptedPrivateKey = EncryptionManager.Encrypt(privateKey, string.Empty);
return(UserKeys.Create(encryptedPrivateKey, publicKey, encryptedSymetricKey));
}
static void testdecrypt()
{
//byte[] encryptedArr = {145, 110, 51, 179, 147, 38, 228, 145, 55, 179, 143, 45, 179, 239, 28, 251, 127, 202, 47, 73, 49, 31, 36, 232, 81, 219, 2, 180, 16, 104, 203, 148, 207, 36, 110, 184, 225, 133, 190, 185, 22, 75, 49, 69, 129, 101, 161, 215, 102, 66, 218, 127, 193, 201, 222, 181, 187, 251, 221, 205, 103, 188, 5, 77, 94, 236, 43, 121, 182, 233, 109, 123, 64, 93, 61, 61, 204, 157, 23, 17, 220, 187, 150, 187, 29, 230, 91, 89, 241, 27, 34, 18, 21, 195, 220, 231, 237, 47, 123, 247, 128, 107, 169, 115, 84, 103, 129, 126, 99, 231, 2, 23, 152, 183, 136, 70, 64, 116, 125, 198, 240, 128, 129, 133, 5, 144, 179, 255, 10, 14, 148, 216, 164, 78, 253, 190, 231, 153, 157, 64, 212, 78, 212, 191, 230, 120, 58, 223, 147, 241, 222, 191, 22, 99, 80, 126, 212, 172, 14, 43, 135, 43, 117, 47, 172, 161, 38, 67, 125, 205, 186, 91, 35, 89, 110, 243, 184, 200, 158, 220, 161, 222, 172, 53, 211, 90, 55, 126, 190, 183, 71, 101, 215, 218, 90, 68, 122, 226, 237, 119, 139, 176, 51, 129, 7, 71, 154, 196, 52, 16, 136, 104, 4, 108, 136, 112, 25, 45, 88, 232, 94, 159, 199, 221, 152, 88, 156, 73, 183, 158, 241, 10, 102, 50, 166, 183, 86, 252, 102, 4, 190, 144, 149, 136, 255, 115, 163, 177, 88, 67, 88, 85, 247, 0, 30, 159};
string encryptedStr = "";
encryptedStr = "YrOiK4Efq2oM4Ny0YW7VFnOtkWHpcFg1zHHfxpdEX1k/wbjbMHyBYn6Uo1qB6fcRNmokO1L48fQGfpeyErgWSt/D1pBlffV+QkGNLtApXIShPdOj8uqElP0T8skNTZCUNqsaB5MPwFsUDiuynimqikM6tBNdLss+z81LbxARUlao/yN112GoxQQ4wpnaDk/eOA51J+5aZb2jMssHwAFx3M3K8AJmUv4qBN8lOAnahd3QnDgaxk7gNydjKyVi1eRGHYxwQVNwMsV1we7EFDMBICG97i4GmWrP2BkrXs8J09osP2O++TIVZrxYpEGwwrRmtno1bBCfySWLNuxd33jwcg==";
encryptedStr = "SnGp1BBb0fU7poFpM5Z0oD0YtfYZizU97GxUF9pn58yGEhpTdJ2vWy/NrhYMPflf4yym77zUyNVhDaOZ+1Q2H4imkiXa5q9DsBRN+dl5dVvosEse3OSyOTEbxn4AcrreWGhKTJ+/3mEhRotUE/rUuWskXKzSA+WQ0nSGUxSG/Rw0yaCeWsa1MU3UM0ugxxxd2gExY+K39+4nXUzNMv+H4XniTvmmUI7k8TEGAsZujwDsU9Oh+MbMtH8nlTu+yvfS++/dDTX9bFmpbkkH7FgbVvKcoICXsI5UfTATfRL4LkzdipO8VJNiPKT8TkgZyIJC/m1daLGAmIs+fM98rWm9yg==";
//DECRYPT
Chilkat.PrivateKey privkey1 = new Chilkat.PrivateKey();
bool success = privkey1.LoadPem(mykey);
Chilkat.Rsa rsa4 = new Chilkat.Rsa();
success = rsa4.UnlockComponent("HAFSJORSA_K36nxU3n1Yui");
rsa4.EncodingMode = "base64";
rsa4.Charset = "ANSI";
rsa4.LittleEndian = true;
rsa4.OaepPadding = false;
success = rsa4.ImportPrivateKey(privkey1.GetXml());
bool usePrivateKey = true;
//byte[] decryptedArr = rsa4.DecryptBytes(encryptedArr, usePrivateKey);
string decryptedStr = rsa4.DecryptStringENC(encryptedStr, usePrivateKey);
}
public void SignRequest(ref HttpWebRequest Request)
{
TimeSpan diff = DateTime.UtcNow - (new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc));
uint timestamp = (uint)Math.Floor(diff.TotalSeconds); // Seconds since 1970
string data = timestamp.ToString();
Chilkat.PrivateKey privkey1 = new Chilkat.PrivateKey();
privkey1.LoadPem(mykey);
Chilkat.Rsa rsa1 = new Chilkat.Rsa();
bool success = rsa1.UnlockComponent("HAFSJORSA_K36nxU3n1Yui");
success = rsa1.ImportPrivateKey(privkey1.GetXml());
rsa1.EncodingMode = "base64";
rsa1.Charset = "ANSI";
rsa1.LittleEndian = false;
rsa1.OaepPadding = false;
string s_mysecre = data + mysecret;
char[] c_mysecre = s_mysecre.ToCharArray();
byte[] b_mysecre = System.Text.Encoding.GetEncoding("windows-1252").GetBytes(c_mysecre);
string hexSig = rsa1.SignBytesENC(b_mysecre, "sha-1");
Request.Headers.Add("timestamp", data);
Request.Headers.Add("signed", hexSig);
}
public SigningOutput SignContent(string serializedRequest)
{
var hashManager = new HashManager();
var privateKey = KeyStoreAdapter.GetPrivateKeyForUser(SignatoryReference);
var envolope = SigningEnvelope <string> .Create(serializedRequest, SignatoryReference, SignatoryEmail, SignatoryIpAddress);
var hashSigningContent = hashManager.HashContent(envolope.Body);
var rsaEncryptor = new Chilkat.Rsa {
EncodingMode = EncodingMode
};
rsaEncryptor.ImportPrivateKey(privateKey);
var encryptedSignContentHash = rsaEncryptor.EncryptStringENC(hashSigningContent, true);
envolope.AddEncryptedHashForBody(encryptedSignContentHash);
var symmetricKey = KeyStoreAdapter.GetSymmetricKeyForUser(SignatoryReference);
var serializedSignedContent = JsonConvert.SerializeObject(envolope);
var encryptedSignedString = Encrypt(serializedSignedContent, symmetricKey);
return(SigningOutput.Create(encryptedSignedString, SignatoryReference));
}
/// <summary>
///
/// </summary>
/// <param name="StrToDecrypt"></param>
/// <param name="EncodingMode"></param>
/// <returns></returns>
public override string Decrypt(string StrToDecrypt, string EncodingMode, string RSAPrivateKey)
{
try
{
// Now decrypt:
Chilkat.Rsa rsaDecryptor = new Chilkat.Rsa();
/// bool for success
bool success;
/// unlock component
success = rsaDecryptor.UnlockComponent("VIENTORSA_TbpfVVr01Or6");
/// we encode in 64 base bits
rsaDecryptor.EncodingMode = EncodingMode;
///rsa import private
rsaDecryptor.ImportPrivateKey(RSAPrivateKey);
/// decrypted string
string decryptedStr;
///we now decript the string
decryptedStr = rsaDecryptor.DecryptStringENC(StrToDecrypt, true);
/// return the string
return decryptedStr;
}
catch
{
return null;
}
finally
{
GC.Collect();
}
}
private string DecryptWithApplicationCertPrivateKey(string encryptedkey)
{
var rsaDecryptor = new Chilkat.Rsa {
EncodingMode = "hex"
};
rsaDecryptor.ImportPrivateKey(CertificatePrivateKey);
var applicationKey = rsaDecryptor.DecryptStringENC(encryptedkey, true);
return(applicationKey);
}
static void RSAChilat(string Data)
{
Chilkat.PrivateKey l_key = new Chilkat.PrivateKey();
bool l_res = l_key.LoadPemFile(@"D:\Work\Other\ForexStars\_incomming\project1074.ppk");
string l_pr_key_xml = l_key.GetXml();
Chilkat.Rsa rsa = new Chilkat.Rsa();
rsa.ImportPrivateKey(l_pr_key_xml);
//rsa.UnlockComponent("30-day trial");
rsa.UnlockComponent("RSA$TEAM$BEAN_495C86FD5RkU");
rsa.EncodingMode = "hex";
rsa.LittleEndian = false;
string l_sign = rsa.SignStringENC(Data, "sha-1");
}
public byte[] DecryptWithPrivate(CryptoRequest cryptoRequest)
{
var bytes64 = cryptoRequest.Data64;
var privateKey = cryptoRequest.Password;
byte[] bytes = Convert.FromBase64String(bytes64);
Chilkat.Rsa rsaEncryptor = new Chilkat.Rsa
{
EncodingMode = "hex"
};
rsaEncryptor.ImportPrivateKey(privateKey);
return(rsaEncryptor.DecryptBytes(bytes, usePrivateKey: true));
}
public void EncryptApplicationKeyFromCryptoServiceCert()
{
RegisterChilKat();
X509Certificate2 theCert = null;
var store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
store.Open(OpenFlags.ReadOnly);
foreach (var certificate in store.Certificates)
{
//TODO's
Console.WriteLine(certificate.FriendlyName);
if (certificate.FriendlyName == "CryptoServiceCert")
{
theCert = certificate;
}
}
var privateKey = theCert?.PrivateKey?.ToXmlString(true);
var publicKey = theCert?.PrivateKey?.ToXmlString(true);
var sampleText = "+oPDU29Bv2hfUZ8fZozMGAVYUZjp1wdwDs42JY213tA=";
var rsaEncryptor = new Chilkat.Rsa {
EncodingMode = "hex"
};
rsaEncryptor.ImportPublicKey(publicKey);
var encryptedText = rsaEncryptor.EncryptStringENC(sampleText, false);
Console.WriteLine($"Encrypted Value: [{encryptedText}]");
var rsaDecryptor = new Chilkat.Rsa {
EncodingMode = "hex"
};
rsaDecryptor.ImportPrivateKey(privateKey);
var decryptedText = rsaDecryptor.DecryptStringENC(encryptedText, true);
}
/// <summary>
/// Decrypt using a Given Private Key
/// </summary>
/// <param name="StringToDecrypt">w to Decrypt</param>
/// <param name="PrivateKey"></param>
/// <param name="EncodingMode">base64, hex</param>
/// <returns></returns>
public static string Decrypt(string StrToDecrypt, string PrivateKey, string EncodingMode)
{
try
{
/// First we get the RSA Public Key
string RSAPrivateKey = PrivateKey;
/// rsa object
Chilkat.Rsa rsa = new Chilkat.Rsa();
/// bool for success
bool success;
/// unlock component
success = rsa.UnlockComponent("VIENTORSA_TbpfVVr01Or6");
/// private key
string privateKey;
///we now export the private key
privateKey = rsa.ExportPrivateKey();
// Now decrypt:
Chilkat.Rsa rsaDecryptor = new Chilkat.Rsa();
/// we encode in 64 base bits
rsaDecryptor.EncodingMode = EncodingMode;
///rsa import private
rsaDecryptor.ImportPrivateKey(RSAPrivateKey);
/// decrypted string
string decryptedStr;
///we now decript the string
decryptedStr = rsaDecryptor.DecryptStringENC(StrToDecrypt, true);
/// return the string
return decryptedStr;
}
catch
{
return null;
}
finally
{
GC.Collect();
}
}
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 performRSA(string text)
{
Chilkat.Rsa rsa = new Chilkat.Rsa();
bool success = rsa.UnlockComponent("Anything for 30-day trial");
if (success != true)
{
Console.WriteLine("RSA component unlock failed");
return;
}
// This example also generates the public and private
// keys to be used in the RSA encryption.
// Normally, you would generate a key pair once,
// and distribute the public key to your partner.
// Anything encrypted with the public key can be
// decrypted with the private key. The reverse is
// also true: anything encrypted using the private
// key can be decrypted using the public key.
// Generate a 1024-bit key. Chilkat RSA supports
// key sizes ranging from 512 bits to 4096 bits.
success = rsa.GenerateKey(1024);
if (success != true)
{
Console.WriteLine(rsa.LastErrorText);
return;
}
// Keys are exported in XML format:
string publicKey = rsa.ExportPublicKey();
string privateKey = rsa.ExportPrivateKey();
string plainText = "Encrypting and decrypting should be easy!";
plainText = text;
// Start with a new RSA object to demonstrate that all we
// need are the keys previously exported:
Chilkat.Rsa rsaEncryptor = new Chilkat.Rsa();
// Encrypted output is always binary. In this case, we want
// to encode the encrypted bytes in a printable string.
// Our choices are "hex", "base64", "url", "quoted-printable".
rsaEncryptor.EncodingMode = "hex";
// We'll encrypt with the public key and decrypt with the private
// key. It's also possible to do the reverse.
success = rsaEncryptor.ImportPublicKey(publicKey);
bool usePrivateKey = false;
string encryptedStr = rsaEncryptor.EncryptStringENC(plainText, usePrivateKey);
//Console.WriteLine(encryptedStr);
// Now decrypt:
Chilkat.Rsa rsaDecryptor = new Chilkat.Rsa();
rsaDecryptor.EncodingMode = "hex";
success = rsaDecryptor.ImportPrivateKey(privateKey);
usePrivateKey = true;
string decryptedStr = rsaDecryptor.DecryptStringENC(encryptedStr, usePrivateKey);
//Console.WriteLine(decryptedStr);
}
