private static void client_OnSymmetricAuthenticate(ISocketConnection connection, out System.Security.Cryptography.RSACryptoServiceProvider serverKey)
{
//----- Using string!
//----- You must get the public key xml from the ALAZ certificate in you server machine.
//----- Uncomment the following lines to get the public key from certificate.
//---- Get certificate!
// X509Store store = new X509Store(StoreName.My, StoreLocation.LocalMachine);
// store.Open(OpenFlags.ReadOnly);
// X509Certificate2 certificate = store.Certificates.Find(X509FindType.FindBySubjectName, "ALAZ Library", true)[0];
//---- Get public key string!
// string publicKey = certificate.PrivateKey.ToXmlString(false);
serverKey = new RSACryptoServiceProvider();
//----- Using string!
if (connection.Context.Host.Context.HostType == HostType.htClient)
{
serverKey.FromXmlString("<RSAKeyValue><Modulus>z2ksxSTLHSBjY4+IEz7TZU5EclOql5pphA9+xyNQ6c1rYW6VPAmXmiXZKmsza8N++YVLAGnzR95iYyr4oL+mBz8lbhjDH2iqyQL7utbW1s87WaDC2o+82dLnLvwEqBhWpnz4tC0v0kCKayH6Jj+30l3xLdgDwReWF7YEvp6yq6nGxHOeSiioPpTtJzNhWjKGnK6oSZqthfWHewlRl2hVIrewD+JbP5JYTp/7iYptOiCwNAUZEBxODR2743D56J1AeHNc8VpZNvE3ZozIoRFhnxZw0ZpvMbgPliKPyjPeOvOFeqZUJ2zkQ7sH+gnqt67QzkOzznfuFPmTpBo0tMheyw==</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>");
}
else
{
serverKey.FromXmlString("<RSAKeyValue><Modulus>z2ksxSTLHSBjY4+IEz7TZU5EclOql5pphA9+xyNQ6c1rYW6VPAmXmiXZKmsza8N++YVLAGnzR95iYyr4oL+mBz8lbhjDH2iqyQL7utbW1s87WaDC2o+82dLnLvwEqBhWpnz4tC0v0kCKayH6Jj+30l3xLdgDwReWF7YEvp6yq6nGxHOeSiioPpTtJzNhWjKGnK6oSZqthfWHewlRl2hVIrewD+JbP5JYTp/7iYptOiCwNAUZEBxODR2743D56J1AeHNc8VpZNvE3ZozIoRFhnxZw0ZpvMbgPliKPyjPeOvOFeqZUJ2zkQ7sH+gnqt67QzkOzznfuFPmTpBo0tMheyw==</Modulus><Exponent>AQAB</Exponent><P>7IhXSag5zlV+Ary/KDsMinK2Jah/WdTov6Z2XAAPHB4zOGEbhCXdgTEkIrOJNpyobF6L7mR9sTnuV5pr+vWklKkYMbxUEK+KRYo4knUvxx5ED4lFE3KUGeVz6jJ1LY5FqmQT4RTtfwZa6dxRPSgn19/k6sOqyPnnalPz30CYFAk=</P><Q>4Hs/u3UIH+CB3yf2gpupXw5yxl82YX/GuB+ZIAYopM65UlukzFl8eW1iEu42gG/UOpjfmDje+wEvIZ5gcKGjGdDgRmEbAYKNt7X6LqkhIMQqUHt0vAsNrYDXgRFVHdd8YisZ62DzAyMM9nu6v0jPTmhlJSDJwpH3s9XbVy0rmTM=</Q><DP>IF7UW087ggJvOV6tZosWP0hNpz+1Fg0uQTQ91H9pkfaMGfYoNuCbvNeF033wlFnCLvqNefWkwgFknfaTOogtmu69UektNA9iA/xTm6+P91csB1hI7M1seVLOl0mKgc6LuDL0CYS8r/qlrIWrVIxPT5rjkEFw+QpCYmnU4UPMzEk=</DP><DQ>jy7OBfmuBvcin35UBBbZv6Htn45Xl3TzAbpV51FGV2jsWBXQVe+2L5WPeteqt92clwuvgt6zi5LDx0PH68+NwweyJfIGUb4+OrG+NEj4snetLcyxNsguHz8RNmghzHkIA23OiI48MwIGYKmnAh+k6zQ3X6k8R/jm8DQ2RbKwHnU=</DQ><InverseQ>Jrbm5MzTpYI9f0jQKBFzdEdI4DeUFou4BrFpJaheh/+jhzogia+0VsK1CfuXbXgFLPV2aXpQeZYZTX/ANJEymJsp9kAELknq8O+qz6QFyfY0F4Q5H6SVuI/U40XlstYZ2ZEvjGMhXpSAnQUIZ8HJQf8nFOSoAK+HyDwPdvn5RlE=</InverseQ><D>L5hkBK1nyrxG8m7afAgbvJCUVmPqrrVpZzujDRGGnNBdxtL4ffl5h48N4ZUODLmk5p920ZZ+lExs6XLP8Rtpfxo3fadDB28eWdhMadipHkwZw3yHml4HqTijgn2kl+pV4Ainjbkc0zOqT+FRJPvUM/sIwEtkuSevcqt7NT73ozp9roswv0QHBrclCVIN0uiCqPEsfTaLeVEpg48dOh8as6l1XDlgnDGTFjkj2AgFfD27POPE3n4pJSaYJc5zNijbwrjyz8qa1nr+xBQ+yvteNDOg/1LAczP1xrypDgsl/bRHmkljYhPj40SXwK2jwyicgfgCbE3wi6O9t52D8koacQ==</D></RSAKeyValue>");
}
}
/// <summary>
/// Metoda za verifikaciju ispravnosti digitalnog potpisa dokumenta
/// </summary>
/// <param name="file"></param>
public void VerifyDigitalSignature(string file)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
StreamReader streamReader = new StreamReader("javni_kljuc.txt");
string publicKey = streamReader.ReadToEnd();
rsa.FromXmlString(publicKey);
streamReader.Close();
streamReader.Dispose();
FileStream dat = new FileStream(file, FileMode.Open, FileAccess.Read);
BinaryReader binReader = new BinaryReader(dat);
byte[] data = binReader.ReadBytes((int)dat.Length);
string nameP = file + ".dp";
TextReader streamreader = new StreamReader(nameP);
string sign = streamreader.ReadLine();
streamreader.Close();
streamreader.Dispose();
if (rsa.VerifyData(data, "SHA1", Convert.FromBase64String(sign)))
{
MessageBox.Show("Datoteka je ispravno potpisana", "My Application",
MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
else
MessageBox.Show("Datoteka nije ispravno potpisana", "My Application", MessageBoxButtons.OK, MessageBoxIcon.Warning);
binReader.Close();
binReader.Dispose();
dat.Close();
dat.Dispose();
}
public static string Text_Decryption(string text, int bits, string encryption_key)
{
string result = String.Empty;
ArrayList list = new ArrayList();
try
{
RSACryptoServiceProvider rsacsp = new RSACryptoServiceProvider(bits);
rsacsp.FromXmlString(encryption_key);
int blockSizeBase64 = (bits / 8 % 3 != 0) ? (((bits / 8) / 3) * 4) + 4 : ((bits / 8) / 3) * 4;
int iterations = text.Length / blockSizeBase64;
for (int i = 0; i < iterations; i++)
{
Byte[] encrypted_bytes = Convert.FromBase64String(text.Substring(blockSizeBase64 * i, blockSizeBase64));
Array.Reverse(encrypted_bytes);
list.AddRange(rsacsp.Decrypt(encrypted_bytes, true));
}
}
catch (Exception e)
{
result = "<Error>" + e.Message + "</Error>";
}
result = Encoding.UTF32.GetString((Byte[])list.ToArray(typeof(Byte)));
return result;
}
public string RSAEncrypt(string xmlPublicKey, byte[] EncryptString)
{
RSACryptoServiceProvider provider1 = new RSACryptoServiceProvider();
provider1.FromXmlString(xmlPublicKey);
byte[] buffer1 = provider1.Encrypt(EncryptString, false);
return Convert.ToBase64String(buffer1);
}
/// <summary>
/// decrypts a string with a key inside the xmlstring
/// </summary>
/// <param name="DataToDecrypt">data to decrypt</param>
/// <param name="xml">xmlstring taken from an RSACryptoServiceProvider object</param>
/// <returns>decrypted string</returns>
public static string RSADecrypt(string DataToDecrypt, string xml)
{
try
{
byte[] decryptedData;
//Create a new instance of RSACryptoServiceProvider.
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
RSA.FromXmlString(xml);
//Decrypt the passed byte array and specify OAEP padding.
//OAEP padding is only available on Microsoft Windows XP or
//later.
decryptedData = RSA.Decrypt(Convert.FromBase64String(DataToDecrypt), false);
}
return Encoding.UTF8.GetString(decryptedData);
}
//Catch and display a CryptographicException
//to the console.
catch (CryptographicException e)
{
Console.WriteLine(e.ToString());
return null;
}
}
public IHttpActionResult DecodeToken(string access_token)
{
var tokenReceived = new JwtSecurityToken(access_token);
var publicOnly = new RSACryptoServiceProvider();
publicOnly.FromXmlString(_configuration.PublicKey.FromBase64String());
var validationParameters = new TokenValidationParameters
{
ValidIssuer = _configuration.Issuer
,ValidAudience = "http://mysite.com"
,IssuerSigningToken = new RsaSecurityToken(publicOnly)
,ValidateLifetime = true
};
var recipientTokenHandler = new JwtSecurityTokenHandler();
SecurityToken securityToken;
var claimsPrincipal = recipientTokenHandler.ValidateToken(access_token, validationParameters, out securityToken);
var currentTime = (long) (DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
if (tokenReceived.Payload.Exp < currentTime)
{
throw new SecurityTokenValidationException(string.Format("Lifetime validation failed. The token is expired. ValidTo: '{0}' Current time: '{1}'.", tokenReceived.ValidTo, DateTime.UtcNow));
}
return Ok(new
{
header = tokenReceived.Header,
payload = tokenReceived.Payload,
current = currentTime
});
}
/// <summary>
/// Generates a new floating license.
/// </summary>
/// <param name="name">Name of the license holder</param>
/// <param name="publicKey">public key of the license server</param>
/// <returns>license content</returns>
public string GenerateFloatingLicense(string name, string publicKey)
{
using (var rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(privateKey);
var doc = new XmlDocument();
var license = doc.CreateElement("floating-license");
doc.AppendChild(license);
var publicKeyEl = doc.CreateElement("license-server-public-key");
license.AppendChild(publicKeyEl);
publicKeyEl.InnerText = publicKey;
var nameEl = doc.CreateElement("name");
license.AppendChild(nameEl);
nameEl.InnerText = name;
var signature = GetXmlDigitalSignature(doc, rsa);
doc.FirstChild.AppendChild(doc.ImportNode(signature, true));
var ms = new MemoryStream();
var writer = XmlWriter.Create(ms, new XmlWriterSettings
{
Indent = true,
Encoding = Encoding.UTF8
});
doc.Save(writer);
ms.Position = 0;
return new StreamReader(ms).ReadToEnd();
}
}
public static string Encrypt(string data)
{
try
{
var rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(_publicKey);
var dataToEncrypt = _encoder.GetBytes(data);
var encryptedByteArray = rsa.Encrypt(dataToEncrypt, false).ToArray();
var length = encryptedByteArray.Count();
var item = 0;
var sb = new StringBuilder();
foreach (var x in encryptedByteArray)
{
item++;
sb.Append(x);
if (item < length)
sb.Append(",");
}
return sb.ToString();
}
catch (Exception)
{
throw new RSAException();
}
}
/// <summary>
/// Floating 라이선스를 생성합니다.
/// 참고 : http://en.wikipedia.org/wiki/Floating_licensing
/// </summary>
/// <param name="privateKey">제품의 Private Key</param>
/// <param name="name">라이선스 명</param>
/// <param name="publicKey">제품의 Public Key</param>
/// <returns>Floating License의 XML 문자열</returns>
public static string GenerateFloatingLicense(string privateKey, string name, string publicKey) {
if(IsDebugEnabled)
log.Debug("Floating License를 생성합니다... privateKey=[{0}], name=[{1}], publicKey=[{2}]", privateKey, name, publicKey);
using(var rsa = new RSACryptoServiceProvider()) {
rsa.FromXmlString(privateKey);
var doc = new XmlDocument();
var licenseElement = doc.CreateElement(LicensingSR.FloatingLicense);
doc.AppendChild(licenseElement);
var publicKeyElement = doc.CreateElement(LicensingSR.LicenseServerPublicKey);
licenseElement.AppendChild(publicKeyElement);
publicKeyElement.InnerText = publicKey;
var nameElement = doc.CreateElement(LicensingSR.LicenseName);
licenseElement.AppendChild(nameElement);
nameElement.InnerText = name;
var signatureElement = GetXmlDigitalSignature(doc, rsa);
doc.FirstChild.AppendChild(doc.ImportNode(signatureElement, true));
using(var ms = new MemoryStream())
using(var xw = XmlWriter.Create(ms, new XmlWriterSettings
{
Indent = true,
Encoding = Encoding.UTF8
})) {
doc.Save(xw);
ms.Position = 0;
return new StreamReader(ms).ReadToEnd();
}
}
}
public static string RSAEncrypt(string source, string xmlKey) {
using (var rsa = new RSACryptoServiceProvider(1024)) {
rsa.FromXmlString(xmlKey);
var encrypted = rsa.Encrypt(Encoding.UTF8.GetBytes(source), false);
return BytesToHex(encrypted);
}
}
public static string Text_Encryption(string text, int bits, string encryption_key)
{
StringBuilder result = new StringBuilder("");
try
{
RSACryptoServiceProvider rsacsp = new RSACryptoServiceProvider(bits);
rsacsp.FromXmlString(encryption_key);
int key = bits / 8;
Byte[] bites = Encoding.UTF32.GetBytes(text);
int max_length = key - 42;
int data_length = bites.Length;
int iterations = data_length / max_length;
for (int i = 0; i <= iterations; i++)
{
int total_bytes = (data_length - max_length * i > max_length) ? max_length : data_length - max_length * i;
Byte[] temp_bytes = new Byte[total_bytes];
Buffer.BlockCopy(bites, max_length * i, temp_bytes, 0, temp_bytes.Length);
Byte[] encrypted_bytes = rsacsp.Encrypt(temp_bytes, true);
Array.Reverse(encrypted_bytes);
result.Append(Convert.ToBase64String(encrypted_bytes));
}
}
catch (Exception e)
{
result.Append("<Error>" + e.Message + "</Error>");
}
return result.ToString();
}
public string EncryptString( string inputString, int dwKeySize, string xmlString )
{
// TODO: Add Proper Exception Handlers
RSACryptoServiceProvider rsaCryptoServiceProvider = new RSACryptoServiceProvider( dwKeySize );
rsaCryptoServiceProvider.FromXmlString( xmlString );
int keySize = dwKeySize / 8;
byte[] bytes = Encoding.UTF32.GetBytes( inputString );
// The hash function in use by the .NET RSACryptoServiceProvider here is SHA1
// int maxLength = ( keySize ) - 2 - ( 2 * SHA1.Create().ComputeHash( rawBytes ).Length );
int maxLength = keySize - 42;
int dataLength = bytes.Length;
int iterations = dataLength / maxLength;
StringBuilder stringBuilder = new StringBuilder();
for( int i = 0; i <= iterations; i++ )
{
byte[] tempBytes = new byte[ ( dataLength - maxLength * i > maxLength ) ? maxLength : dataLength - maxLength * i ];
Buffer.BlockCopy( bytes, maxLength * i, tempBytes, 0, tempBytes.Length );
byte[] encryptedBytes = rsaCryptoServiceProvider.Encrypt( tempBytes, true );
// Be aware the RSACryptoServiceProvider reverses the order of encrypted bytes after encryption and before decryption.
// If you do not require compatibility with Microsoft Cryptographic API (CAPI) and/or other vendors.
// Comment out the next line and the corresponding one in the DecryptString function.
Array.Reverse( encryptedBytes );
// Why convert to base 64?
// Because it is the largest power-of-two base printable using only ASCII characters
stringBuilder.Append( Convert.ToBase64String( encryptedBytes ) );
}
return stringBuilder.ToString();
}
public string EncryptData(string data2Encrypt, string strPublicKey)
{
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
provider.FromXmlString(strPublicKey);
byte[] bytes = Encoding.UTF8.GetBytes(data2Encrypt);
return Convert.ToBase64String(provider.Encrypt(bytes, false));
}
/// <summary>
/// Metoda za digitalno potpisivanje dokumenta
/// </summary>
/// <param name="file"></param>
public void MakeDigitalSignature(string file)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
StreamReader streamReader = new StreamReader("privatni_kljuc.txt");
string publicOnlyKeyXml = streamReader.ReadToEnd();
rsa.FromXmlString(publicOnlyKeyXml);
streamReader.Close();
streamReader.Dispose();
FileStream dat = new FileStream(file, FileMode.Open, FileAccess.Read);
BinaryReader binReader = new BinaryReader(dat);
byte[] data = binReader.ReadBytes((int)dat.Length);
byte[] sign = rsa.SignData(data, "SHA1");
binReader.Close();
binReader.Dispose();
dat.Close();
dat.Dispose();
string datName = file + ".dp";
TextWriter tw = new StreamWriter(datName);
tw.WriteLine(Convert.ToBase64String(sign));
tw.Close();
tw.Dispose();
}
static void Main(string[] args)
{
// Create digital signature algortihm object
// This will generate private/public key pair
RSACryptoServiceProvider signer = new RSACryptoServiceProvider();
// array to hold signature - will be shared
byte[] signature = null;
// string to hold public key - will be shared
string publicKey = null;
using(FileStream file = new FileStream(@"info.txt", FileMode.Open,
FileAccess.Read))
{
// read file to be used to create signature into a byte array
BinaryReader reader = new BinaryReader(file);
byte[] data = reader.ReadBytes((int)file.Length);
// create signature by signing data - generates a digital signature by first
// generating the hash the data and then generate a signature based on the
// hash and the private key
// file, signature and public key are then shared with the recipient
signature = signer.SignData(data,new SHA1CryptoServiceProvider());
// export public key
publicKey = signer.ToXmlString(false);
reader.Close();
file.Close();
}
// Create digital signature algortihm object
// which will use the public key exported by the signer
RSACryptoServiceProvider verifier = new RSACryptoServiceProvider();
verifier.FromXmlString(publicKey);
using (FileStream file2 = new FileStream(@"info.txt", FileMode.Open,
FileAccess.Read))
{
// read file to be used to verify the signature into a byte array
BinaryReader reader2 = new BinaryReader(file2);
byte[] data2 = reader2.ReadBytes((int)file2.Length);
// verify the signature based on the contents of the file
// verification will only succeed if the signature was generated from this
// file using the correct private key, thus confirming the identity of the
// signer
if (verifier.VerifyData(data2, new SHA1CryptoServiceProvider(), signature))
{
Console.WriteLine("Verified");
}
else
{
Console.WriteLine("NOT verified");
}
reader2.Close();
file2.Close();
}
}
/// <summary>
/// Getting public key
/// </summary>
/// <param name="strPrivateKey"></param>
/// <returns>Return Pubic Key</returns>
public static String GetPublicKey(String strPrivateKey)
{
//Extract the public key from the public/private key pair
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(strPrivateKey);
return rsa.ToXmlString(false);
}
/// <summary>
/// 解密数据
/// </summary>
/// <param name="base64code">传入加密数据</param>
/// <returns>返回解密数据</returns>
static public string Decrypt(string base64code)
{
var a = new FileInfo("E:/100115_SignKey.pub").OpenRead();
var b = new BufferedStream(a);
//string c =
try
{
UnicodeEncoding ByteConverter = new UnicodeEncoding();
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSA.FromXmlString("");
RSAParameters rsaParameters = new RSAParameters();
rsaParameters.Exponent = Convert.FromBase64String("AQAB");
rsaParameters.Modulus =
Convert.FromBase64String(
"MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyq3xJ3jtuWSWk4nCCgysplqV3DyFGaF7iP7PO2vEUsgEq+vqKr+frlwji2n7A1TbpV7KhEGJIT9LW/9WCdBhlu6gnBdErtAA4Or43ol2K1BnY6VBcLWccloMd3YFHG8gOohCVIDbw863Wg0FNS27SM25U+XQfrNFaqBIa093WgAbwRIK06uzC01sW+soutvk+yAYBtbH7I7/1/dFixHKS2KN/7y3pvmXYBIRuBvn35IqwY3Gk0duEfbEr9F6wm2VKhS1zQG760FrHfhbXR+IN5nSTQBHBkw4QukLLvUqueKYfVdp2/2RCnY/At0bbOcA2tAPohDAfUDRdOZsFiTIMQID");
byte[] encryptedData;
byte[] decryptedData;
encryptedData = Convert.FromBase64String(base64code);
decryptedData = RSADeCrtypto(encryptedData, rsaParameters, true);
return ByteConverter.GetString(decryptedData);
}
catch (Exception e)
{
Console.WriteLine(e);
return null;
}
}
public RSACryptoServiceProviderTest ()
{
sha1OID = CryptoConfig.MapNameToOID ("SHA1");
disposed = new RSACryptoServiceProvider (minKeySize);
disposed.FromXmlString ("<RSAKeyValue><Modulus>vtXAf62+o50prNCTiVGTMzdhm4sMjK0QVDkKQLFGu2fJQCULt9NZBab14PiWfG1t</Modulus><Exponent>AQAB</Exponent><P>5y2AHOzIhTChIFzLsgZQAGfy3U8OPwFh</P><Q>01NUVJJv+hhIsnbFiSi24FLRrfr/qYuN</Q><DP>HKLAOdUCyazKaK3V9Yleo448wTkntJpB</DP><DQ>AH5MTxo8arAN02TVlzliG+n1lVtlp2at</DQ><InverseQ>ZpgJwTxSYpT81sQCuVUvX0AYrvSziNIw</InverseQ><D>CStiJYBmsZvincAj5qw5w3M8yGmE/9ls4yv7wenozzC4kZshpI2MuON0d2Z8f4aB</D></RSAKeyValue>");
disposed.Clear ();
}
public void Run()
{
var _exportKey = new RSACryptoServiceProvider();
string publicKeyXML = _exportKey.ToXmlString(false);
string privateKeyXML = _exportKey.ToXmlString(true);
var ByteConverter = new UnicodeEncoding();
byte[] dataToEncrypt = ByteConverter.GetBytes("My Secret Data!");
byte[] encryptedData;
using (var RSA = new RSACryptoServiceProvider())
{
RSA.FromXmlString(publicKeyXML);
encryptedData = RSA.Encrypt(dataToEncrypt, false);
}
byte[] decryptedData;
using (var RSA = new RSACryptoServiceProvider())
{
RSA.FromXmlString(privateKeyXML);
decryptedData = RSA.Decrypt(encryptedData, false);
}
string decryptedString = ByteConverter.GetString(decryptedData);
Console.WriteLine(decryptedString); // Displays: My Secret Data! }
}
// Decrypt method
public string Decrypt( string b64String )
{
try
{
byte[] ciphertext = Convert.FromBase64String(b64String);
CspParameters RSAParams = new CspParameters();
RSAParams.Flags = CspProviderFlags.UseMachineKeyStore;
//create new instance of RSACryptoServiceProvider
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider(RSAParams);
//import public and private RSA parameters from Xml file
//StreamReader reader = new StreamReader("PublicPrivateKey.xml");
//string publicPrivateKeyXml = reader.ReadToEnd();
//reader.Close();
rsa.FromXmlString(this.publicPrivateKeyXml);
//read ciphertext, decrypt it to plaintext
byte[] plainbytes = rsa.Decrypt( ciphertext, false); //fOAEP needs high encryption pack
return Encoding.ASCII.GetString(plainbytes) ;
}
catch ( CryptographicException cx )
{
throw new CryptographicException( cx.Message) ;
}
}
public async Task<IHttpActionResult> CreateToken(Token token)
{
var publicAndPrivate = new RSACryptoServiceProvider();
publicAndPrivate.FromXmlString(_configuration.PrivateKey.FromBase64String());
var jwtToken = new JwtSecurityToken(
issuer: _configuration.Issuer,
audience: "http://mysite.com"
, claims: new List<Claim>() { new Claim(ClaimTypes.Name, token.username) }
, notBefore: DateTime.UtcNow
, expires: DateTime.UtcNow.AddMinutes(1)
, signingCredentials: new SigningCredentials(
new RsaSecurityKey(publicAndPrivate)
,SecurityAlgorithms.RsaSha256Signature
,SecurityAlgorithms.Sha256Digest)
);
var tokenHandler = new JwtSecurityTokenHandler();
var tokenString = tokenHandler.WriteToken(jwtToken);
return Ok(new
{
access_token = tokenString,
expires_in = new TimeSpan(0,0, 1,0).TotalSeconds,
expires_on = (long)(DateTime.UtcNow.AddMinutes(1) - new DateTime(1970, 1, 1)).TotalSeconds
});
}
public void VerifyXml(string xml)
{
var doc = LoadXmlDoc(xml);
using (var rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(publicKey);
var nsMgr = new XmlNamespaceManager(doc.NameTable);
nsMgr.AddNamespace("sig", "http://www.w3.org/2000/09/xmldsig#");
var signedXml = new SignedXml(doc);
var signature = (XmlElement)doc.SelectSingleNode("//sig:Signature", nsMgr);
if (signature == null)
{
throw new Exception("Xml is invalid as it has no XML signature");
}
signedXml.LoadXml(signature);
if (!signedXml.CheckSignature(rsa))
{
throw new Exception("Xml is invalid as it failed signature check.");
}
}
}
public static string Decrypt(string encryptedText)
{
StringBuilder stringBuilder = new StringBuilder();
RSACryptoServiceProvider.UseMachineKeyStore = true;
using (RSACryptoServiceProvider rsaProvider = new RSACryptoServiceProvider())
{
mojoEncryptionConfiguration config = mojoEncryptionConfiguration.GetConfig();
if (config.RsaKey.Length == 0)
{
log.Error("CryptoHelper.LoadRsaKey failed to load key from config, key was an empty string.");
throw new ArgumentException("CryptoHelper.LoadRsaKey failed to load key from config, key was an empty string.");
}
rsaProvider.FromXmlString(config.RsaKey);
byte[] decryptedStr = rsaProvider.Decrypt(StringToByteArray(encryptedText.Trim()), false);
for (int i = 0; i <= decryptedStr.Length - 1; i++)
{
stringBuilder.Append(Convert.ToChar(decryptedStr[i]));
}
}
return stringBuilder.ToString();
}
/// <summary>
/// 公钥加密
/// </summary>
/// <param name="publichKey"></param>
/// <param name="strData"></param>
public static string EncryptRSA(string publicKey, string strData)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(publicKey);
byte[] dataRSAed = rsa.Encrypt(Encoding.UTF8.GetBytes(strData), false);
return CommonHelper.ByteArrayToString(dataRSAed);
}
public static string DecryptString(string inputString, int dwKeySize,
string xmlString)
{
// TODO: Add Proper Exception Handlers
RSACryptoServiceProvider rsaCryptoServiceProvider
= new RSACryptoServiceProvider(dwKeySize);
rsaCryptoServiceProvider.FromXmlString(xmlString);
int base64BlockSize = ((dwKeySize / 8) % 3 != 0) ?
(((dwKeySize / 8) / 3) * 4) + 4 : ((dwKeySize / 8) / 3) * 4;
int iterations = inputString.Length / base64BlockSize;
ArrayList arrayList = new ArrayList();
for (int i = 0; i < iterations; i++)
{
byte[] encryptedBytes = Convert.FromBase64String(
inputString.Substring(base64BlockSize * i, base64BlockSize));
// Be aware the RSACryptoServiceProvider reverses the order of
// encrypted bytes after encryption and before decryption.
// If you do not require compatibility with Microsoft Cryptographic
// API (CAPI) and/or other vendors.
// Comment out the next line and the corresponding one in the
// EncryptString function.
Array.Reverse(encryptedBytes);
arrayList.AddRange(rsaCryptoServiceProvider.Decrypt(
encryptedBytes, true));
}
return Encoding.UTF32.GetString(arrayList.ToArray(
Type.GetType("System.Byte")) as byte[]);
}
/// <summary>
/// Genera _bytEncriptado: Es unByte[] con el contenido de llavePublica RSA encriptada (bytes) y contenido Encriptado Simetrico
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAsimEncriptar_Click(object sender, EventArgs e)
{
byte[] _bytEncriptado = null;
System.Security.Cryptography.CspParameters csp = new CspParameters();
csp.KeyContainerName = "pepe";
//Creamos una instancia del encritador publico
RSACryptoServiceProvider _objEncriptadorPublicoRSA = new RSACryptoServiceProvider(csp);
//Le asignamos la llave genarada
_objEncriptadorPublicoRSA.FromXmlString(this.txtAsimLlavePublica.Text);
if (this.chkSimetrica.Checked)
{
//Se declara la memoria para almacenar la llave utilizada por nuestro Rijndael personalizado
byte[] _bytKey = (Rijndael.Create()).Key;
//Se encripta el texto y se obtiene la llave que se utilizó para la encriptación
byte[] _contenidoEncriptadoSimetrico = MiRijndael.Encriptar(this.txtAsimAEncriptar.Text, _bytKey);
//Se encripta la llave con el algoritmo RSA
byte[] llaveEncriptadaRSA = _objEncriptadorPublicoRSA.Encrypt(_bytKey, false);
#region Se copia en un vector la llave encriptada y el contenido encriptado Simetrico (Rijndael)
_bytEncriptado = new byte[llaveEncriptadaRSA.Length + _contenidoEncriptadoSimetrico.Length];
llaveEncriptadaRSA.CopyTo(_bytEncriptado, 0);
_contenidoEncriptadoSimetrico.CopyTo(_bytEncriptado, llaveEncriptadaRSA.Length);
#endregion
}
else
{
_bytEncriptado = _objEncriptadorPublicoRSA.Encrypt(System.Text.Encoding.UTF8.GetBytes(this.txtAsimAEncriptar.Text), false);
}
this.txtAsimEncriptado.Text = Convert.ToBase64String(_bytEncriptado);
}
public static void EncryptSomeText()
{
//Init keys
GeneratePublicAndPrivateKeys();
UnicodeEncoding ByteConverter = new UnicodeEncoding();
byte[] dataToEncrypt = ByteConverter.GetBytes("My ultra secret message!");
byte[] encryptedData;
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
RSA.FromXmlString(publicKeyXML);
encryptedData = RSA.Encrypt(dataToEncrypt, false);
}
byte[] decryptedData;
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider())
{
RSA.FromXmlString(privateKeyXML);
decryptedData = RSA.Decrypt(encryptedData, false);
}
string decryptedString = ByteConverter.GetString(decryptedData);
Console.WriteLine(decryptedString);
}
public static bool CompareCode(string regcode)
{
if (regcode == null || regcode == "")
{
return false;
}
try
{
string toolcode = GetDiskVolumeSerialNumber() + GetCpuSerialNumber();
string pubkey = "<RSAKeyValue><Modulus>xe3teTUwLgmbiwFJwWEQnshhKxgcasglGsfNVFTk0hdqKc9i7wb+gG7HOdPZLh65QyBcFfzdlrawwVkiPEL5kNTX1q3JW5J49mTVZqWd3w49reaLd8StHRYJdyGAL4ZovBhSTThETi+zYvgQ5SvCGkM6/xXOz+lkMaEgeFcjQQs=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
string prikey = "<RSAKeyValue><Modulus>xe3teTUwLgmbiwFJwWEQnshhKxgcasglGsfNVFTk0hdqKc9i7wb+gG7HOdPZLh65QyBcFfzdlrawwVkiPEL5kNTX1q3JW5J49mTVZqWd3w49reaLd8StHRYJdyGAL4ZovBhSTThETi+zYvgQ5SvCGkM6/xXOz+lkMaEgeFcjQQs=</Modulus><Exponent>AQAB</Exponent><P>5flMAd7IrUTx92yomBdJBPDzp1Kclpaw4uXB1Ht+YXqwLW/9icI6mcv7d2O0kuVLSWj8DPZJol9V8AtvHkC3oQ==</P><Q>3FRA9UWcFrVPvGR5bewcL7YqkCMZlybV/t6nCH+gyMfbEvgk+p04F+j8WiHDykWj+BahjScjwyF5SGADbrfJKw==</Q><DP>b4WOU1XbERNfF3JM67xW/5ttPNX185zN2Ko8bbMZXWImr1IgrD5RNqXRo1rphVbGRKoxmIOSv7flr8uLrisKIQ==</DP><DQ>otSZlSq2qomgvgg7PaOLSS+F0TQ/i1emO0/tffhkqT4ah7BgE97xP6puJWZivjAteAGxrxHH+kPY0EY1AzRMNQ==</DQ><InverseQ>Sxyz0fEf5m7GrzAngLDRP/i+QDikJFfM6qPyr3Ub6Y5RRsFbeOWY1tX3jmV31zv4cgJ6donH7W2dSBPi67sSsw==</InverseQ><D>nVqofsIgSZltxTcC8fA/DFz1kxMaFHKFvSK3RKIxQC1JQ3ASkUEYN/baAElB0f6u/oTNcNWVPOqE31IDe7ErQelVc4D26RgFd5V7dSsF3nVz00s4mq1qUBnCBLPIrdb0rcQZ8FUQTsd96qW8Foave4tm8vspbM65iVUBBVdSYYE=</D></RSAKeyValue>";
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(pubkey);
RSAPKCS1SignatureDeformatter f = new RSAPKCS1SignatureDeformatter(rsa);
f.SetHashAlgorithm("SHA1");
SHA1Managed sha = new SHA1Managed();
byte[] name = sha.ComputeHash(ASCIIEncoding.ASCII.GetBytes(toolcode));
byte[] key = Convert.FromBase64String(regcode);
return f.VerifySignature(name, key);
}
}
catch
{
return false;
}
}
public string RSADecrypt(string xmlPrivateKey, byte[] DecryptString)
{
RSACryptoServiceProvider provider1 = new RSACryptoServiceProvider();
provider1.FromXmlString(xmlPrivateKey);
byte[] buffer1 = provider1.Decrypt(DecryptString, false);
return new UnicodeEncoding().GetString(buffer1);
}
public string UseSystemRsaDataEncrypt(string needEncryptContent)
{
#region Use System Default Encrypt Mether Handler Data
RSAParameters rsaDefineRap = ConvertPublicKeyToRsaInfo();
string modulus = Convert.ToBase64String(rsaDefineRap.Modulus);
string exponent = Convert.ToBase64String(rsaDefineRap.Exponent);
string publickey = @"<RSAKeyValue><Modulus>" + modulus + "</Modulus><Exponent>" + exponent + "</Exponent></RSAKeyValue>";
RSACryptoServiceProvider rsaCrypt = new System.Security.Cryptography.RSACryptoServiceProvider();
rsaCrypt.FromXmlString(publickey);
byte[] contentBytes = System.Text.Encoding.UTF8.GetBytes(needEncryptContent);
int maxBlockSize = rsaCrypt.KeySize / 8 - 11;
if (contentBytes.Length <= maxBlockSize)
{
return(Convert.ToBase64String(rsaCrypt.Encrypt(contentBytes, false)));
}
using (MemoryStream PlaiStream = new MemoryStream(contentBytes))
using (MemoryStream CrypStream = new MemoryStream())
{
Byte[] Buffer = new Byte[maxBlockSize];
int BlockSize = PlaiStream.Read(Buffer, 0, maxBlockSize);
while (BlockSize > 0)
{
#region Merge Spilt More Part About Rsa Encrypt String
Byte[] ToEncrypt = new Byte[BlockSize];
Array.Copy(Buffer, 0, ToEncrypt, 0, BlockSize);
Byte[] Cryptograph = DataEncryptWithRsa(ToEncrypt);
CrypStream.Write(Cryptograph, 0, Cryptograph.Length);
BlockSize = PlaiStream.Read(Buffer, 0, maxBlockSize);
#endregion
}
byte[] encryBytes = rsaCrypt.Encrypt(System.Text.Encoding.UTF8.GetBytes("Hello World"), false);
return(Convert.ToBase64String(encryBytes));
}
#endregion
}
public bool SignatureDeformatter(string p_strKeyPublic, string p_strHashbyteDeformatter, string p_strDeformatterData)
{
byte[] DeformatterData;
byte[] HashbyteDeformatter;
HashbyteDeformatter = Convert.FromBase64String(p_strHashbyteDeformatter);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter RSADeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(RSA);
//指定解密的时候HASH算法为MD5
RSADeformatter.SetHashAlgorithm("MD5");
DeformatterData = Convert.FromBase64String(p_strDeformatterData);
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// RSA签名
/// </summary>
/// <param name="strKeyPrivate">私钥</param>
/// <param name="HashbyteSignature">待签名Hash描述</param>
/// <param name="EncryptedSignatureData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureFormatter(string strKeyPrivate, byte[] HashbyteSignature, out byte[] EncryptedSignatureData)
{
try
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
strKeyPrivate = regBitStrength.Replace(strKeyPrivate, "");
RSA.FromXmlString(strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
return(true);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名
/// </summary>
/// <param name="HashbyteSignature">待签名Hash描述</param>
/// <param name="strKeyPrivate">私钥</param>
/// <param name="m_strEncryptedSignatureData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureFormatter(this byte[] HashbyteSignature, string strKeyPrivate, ref string strEncryptedSignatureData)
{
try
{
byte[] EncryptedSignatureData;
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
strEncryptedSignatureData = Convert.ToBase64String(EncryptedSignatureData);
return(true);
}
catch (Exception ex)
{
throw ex;
}
}
//RSA签名
public bool SignatureFormatter(string pStrKeyPrivate, string mStrHashbyteSignature, ref string mStrEncryptedSignatureData)
{
byte[] hashbyteSignature;
byte[] encryptedSignatureData;
hashbyteSignature = Convert.FromBase64String(mStrHashbyteSignature);
var rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
rsa.FromXmlString(pStrKeyPrivate);
var rsaFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(rsa);
//设置签名的算法为MD5
rsaFormatter.SetHashAlgorithm("MD5");
//执行签名
encryptedSignatureData = rsaFormatter.CreateSignature(hashbyteSignature);
mStrEncryptedSignatureData = Convert.ToBase64String(encryptedSignatureData);
return(true);
}
/// <summary>
/// RSA签名
/// </summary>
/// <param name="p_strKeyPrivate"></param>
/// <param name="HashbyteSignature"></param>
/// <param name="EncryptedSignatureData"></param>
/// <returns></returns>
public bool SignatureFormatter(string p_strKeyPrivate, byte[] HashbyteSignature, ref byte[] EncryptedSignatureData)
{
try
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
return(true);
}
catch
{
throw;
}
}
public bool SignatureDeformatter(string pStrKeyPublic, byte[] hashbyteDeformatter, string pStrDeformatterData)
{
System.Security.Cryptography.RSACryptoServiceProvider rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
rsa.FromXmlString(pStrKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter rsaDeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(rsa);
//指定解密的时候HASH算法为MD5
rsaDeformatter.SetHashAlgorithm("MD5");
var deformatterData = Convert.FromBase64String(pStrDeformatterData);
if (rsaDeformatter.VerifySignature(hashbyteDeformatter, deformatterData))
{
return(true);
}
else
{
return(false);
}
}
public void PostData(DataType key, string value)
{
var r = new KeyValueList();
r.SetValue("ErrorCode", 0);
r.SetValue("ErrorMessage", "");
r.SetValue("DataType", Convert.ToInt32(key));
switch (key)
{
case DataType.GetRsaKey:
// Tell IIS to use Machine Key store or creation of RSA service provider will fail.
var cspParams = new CspParameters();
cspParams.Flags = CspProviderFlags.UseMachineKeyStore;
// Create a new instance of RSACryptoServiceProvider.
var rsa = new System.Security.Cryptography.RSACryptoServiceProvider(1024, cspParams);
// Import parameters from xml.
rsa.FromXmlString(xmlParams);
// Export RSA key to RSAParameters and include:
// false - Only public key required for encryption.
// true - Private key required for decryption.
var rsaPublicKey = rsa.ToXmlString(false);
r.SetValue("RsaPublicKey", rsaPublicKey);
break;
case DataType.SendProfile:
r.Load(value, true);
var profile = r.GetValue <UserProfile>("UserProfile");
var card = r.GetValue <Card>("Card");
// Get password from RSA encrypted data.
var password = Helper.RsaDecrypt(card.EncryptedPass, xmlParams);
var s = Helper.AesDecrypt(password, card.EncryptedData);
card = Helper.DeSerialize <Card>(s);
r.SetValue("Message", string.Format("Server decrypted '{0}' card with number: {1}", card.Name, card.Number));
break;
default:
break;
}
Helper.ResponseScript(r, true);
}
/// <summary>
/// RSA签名
/// </summary>
/// <param name="strKeyPrivate">私钥</param>
/// <param name="strHashbyteSignature">待签名Hash描述</param>
/// <param name="EncryptedSignatureData">签名后的结果</param>
/// <returns></returns>
public bool SignatureFormatter(string strKeyPrivate, string strHashbyteSignature, ref byte[] EncryptedSignatureData)
{
try
{
byte[] HashbyteSignature;
HashbyteSignature = Convert.FromBase64String(strHashbyteSignature);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter
(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名验证
/// </summary>
/// <param name="HashbyteDeformatter">Hash描述</param>
/// <param name="strKeyPublic">公钥</param>
/// <param name="DeformatterData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureDeformatter(this byte[] HashbyteDeformatter, string strKeyPublic, byte[] DeformatterData)
{
try
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(strKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter RSADeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(RSA);
//指定解密的时候HASH算法为MD5
RSADeformatter.SetHashAlgorithm("MD5");
if (RSADeformatter.VerifySignature(MD5.Create().ComputeHash(HashbyteDeformatter), MD5.Create().ComputeHash(DeformatterData)))
{
return(true);
}
else
{
return(false);
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名验证
/// </summary>
/// <param name="strKeyPublic">公钥</param>
/// <param name="HashbyteDeformatter">Hash描述</param>
/// <param name="DeformatterData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureDeformatter(string strKeyPublic, byte[] HashbyteDeformatter, byte[] DeformatterData)
{
try
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
strKeyPublic = regBitStrength.Replace(strKeyPublic, "");
RSA.FromXmlString(strKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter RSADeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(RSA);
//指定解密的时候HASH算法为MD5
RSADeformatter.SetHashAlgorithm("MD5");
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return(true);
}
else
{
return(false);
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// Create a signature xml element for the specified xml document and private key
/// </summary>
/// <param name="xmlToSign"></param>
/// <param name="keyPubPri">Private+public key</param>
/// <returns></returns>
public static System.Xml.XmlElement CreateSignature(System.Xml.XmlDocument xmlToSign, string keyPubPri)
{
System.Security.Cryptography.RSACryptoServiceProvider rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
rsa.FromXmlString(keyPubPri);
System.Security.Cryptography.Xml.SignedXml sx = new System.Security.Cryptography.Xml.SignedXml(xmlToSign);
sx.SigningKey = rsa;
// Create a reference to be signed
System.Security.Cryptography.Xml.Reference reference = new System.Security.Cryptography.Xml.Reference("");
// Set the canonicalization method for the document.
sx.SignedInfo.CanonicalizationMethod = System.Security.Cryptography.Xml.SignedXml.XmlDsigCanonicalizationUrl; // No comments.
// Add an enveloped transformation to the reference.
System.Security.Cryptography.Xml.XmlDsigEnvelopedSignatureTransform env = new System.Security.Cryptography.Xml.XmlDsigEnvelopedSignatureTransform(false);
reference.AddTransform(env);
sx.AddReference(reference);
sx.ComputeSignature();
return(sx.GetXml());
}
/// <summary>
/// 秘密鍵を使って文字列を復号化する
/// </summary>
/// <param name="str">Encryptメソッドにより暗号化された文字列</param>
/// <returns>復号化された文字列</returns>
public static string ClientDecrypt(string str)
{
try
{
//RSACryptoServiceProviderオブジェクトの作成
var rsa = new System.Security.Cryptography.RSACryptoServiceProvider(KeySize);
//秘密鍵を指定
rsa.FromXmlString(clientPrivateKey);
//復号化する文字列をバイト配列に
byte[] data = System.Convert.FromBase64String(str);
//復号化する
byte[] decryptedData = rsa.Decrypt(data, false);
//結果を文字列に変換
return(System.Text.Encoding.UTF8.GetString(decryptedData));
}
catch (Exception)
{
}
return(null);
}
public string Encrypt(string publicKey, string plainText)
{
System.Security.Cryptography.CspParameters cspParams = null;
System.Security.Cryptography.RSACryptoServiceProvider rsaProvider = null;
byte[] plainBytes = null;
byte[] encryptedBytes = null;
string result = "";
try
{
cspParams = new System.Security.Cryptography.CspParameters();
cspParams.ProviderType = 1;
rsaProvider = new System.Security.Cryptography.RSACryptoServiceProvider(cspParams);
rsaProvider.FromXmlString(publicKey);
plainBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
encryptedBytes = rsaProvider.Encrypt(plainBytes, false);
result = Convert.ToBase64String(encryptedBytes);
}
catch (Exception ex) { Log(ex.Message); }
return(result);
}
//===============================================================================
// Name: Function IALUGenerator_GenKey
// Input:
// ByRef Lic As ActiveLock3.ProductLicense - Product license
// ByVal InstCode As String - Installation Code sent by the user
// ByVal RegisteredLevel As String - Registration Level for the license. Default is "0"
// Output:
// String - Liberation key for the license
// Purpose: Given the Installation Code, generates an Activelock license liberation key.
// Remarks: None
//===============================================================================
private string IALUGenerator_GenKey(ref ActiveLock3_6NET.ProductLicense Lic, string InstCode, [System.Runtime.InteropServices.OptionalAttribute, System.Runtime.InteropServices.DefaultParameterValueAttribute("0")] // ERROR: Optional parameters aren't supported in C#
string RegisteredLevel)
{
// Take request code and decrypt it.
string strReq = null;
// 05.13.05 - ialkan Modified to merge DLLs into one
strReq = modBase64.Base64_Decode(ref InstCode);
// strReq now contains the {LockCode + vbLf + User} string
string strLock = string.Empty;
string strUser = string.Empty;
GetLockAndUserFromInstallCode(strReq, ref strLock, ref strUser);
Lic.Licensee = strUser;
// registration date
string strRegDate = null;
// registered level
Lic.RegisteredLevel = RegisteredLevel;
strRegDate = Lic.RegisteredDate;
string strEncrypted = null;
// @todo Rethink this bit about encrypting the dates.
// We need to keep in mind that the app does not have access to the private key, so and any decryption that requires private key
// would not be possible.
// Perhaps instead of encrypting, we could do MD5 hash of (regdate+lockcode)?
//ActiveLockEventSink_ValidateValue strRegDate, strEncrypted
// hash it
//strEncrypted = ActiveLock3.MD5Hash(strEncrypted)
strEncrypted = strRegDate;
// get software codes
ProductInfo ProdInfo = null;
ProdInfo = IALUGenerator_RetrieveProduct(Lic.ProductName, Lic.ProductVer);
Lic.ProductKey = ProdInfo.VCode;
string strLic = null;
strLic = Lic.ToString_Renamed() + Constants.vbLf + strLock;
System.Diagnostics.Debug.WriteLine("strLic: " + Constants.vbCrLf + strLic);
if (modALUGEN.strLeft(ProdInfo.VCode, 3) != "RSA")
{
// sign it
string strSig = null;
strSig = new string(Strings.Chr(0), 1024);
// 05.13.05 - ialkan Modified to merge DLLs into one. Moved RSASign into a module
strSig = modActiveLock.RSASign(ProdInfo.VCode, ProdInfo.GCode, strLic);
// Create liberation key. This will be a base-64 encoded string of the whole license.
string strLicKey = null;
// 05.13.05 - ialkan Modified to merge DLLs into one
strLicKey = modBase64.Base64_Encode(ref strSig);
// update Lic with license key
Lic.LicenseKey = strLicKey;
// Print some info for debugging purposes
System.Diagnostics.Debug.WriteLine("VCode: " + ProdInfo.VCode);
System.Diagnostics.Debug.WriteLine("Lic: " + strLic);
System.Diagnostics.Debug.WriteLine("Lic hash: " + modMD5.Hash(ref strLic));
System.Diagnostics.Debug.WriteLine("LicKey: " + strLicKey);
System.Diagnostics.Debug.WriteLine("Sig: " + strSig);
System.Diagnostics.Debug.WriteLine("Verify: " + modActiveLock.RSAVerify(ProdInfo.VCode, strLic, modBase64.Base64_Decode(ref strLicKey)));
System.Diagnostics.Debug.WriteLine("====================================================");
}
else
{
try {
System.Security.Cryptography.RSACryptoServiceProvider rsaCSP = new System.Security.Cryptography.RSACryptoServiceProvider();
string strPublicBlob = null;
string strPrivateBlob = null;
strPublicBlob = ProdInfo.VCode;
strPrivateBlob = ProdInfo.GCode;
if (modALUGEN.strLeft(ProdInfo.GCode, 6) == "RSA512")
{
strPrivateBlob = modALUGEN.strRight(ProdInfo.GCode, Strings.Len(ProdInfo.GCode) - 6);
}
else
{
strPrivateBlob = modALUGEN.strRight(ProdInfo.GCode, Strings.Len(ProdInfo.GCode) - 7);
}
// import private key params into instance of RSACryptoServiceProvider
rsaCSP.FromXmlString(strPrivateBlob);
RSAParameters rsaPrivateParams = default(RSAParameters);
//stores private key
rsaPrivateParams = rsaCSP.ExportParameters(true);
rsaCSP.ImportParameters(rsaPrivateParams);
byte[] userData = Encoding.UTF8.GetBytes(strLic);
AsymmetricSignatureFormatter asf = new RSAPKCS1SignatureFormatter(rsaCSP);
HashAlgorithm algorithm = new SHA1Managed();
asf.SetHashAlgorithm(algorithm.ToString());
byte[] myhashedData = null;
// a byte array to store hash value
string myhashedDataString = null;
myhashedData = algorithm.ComputeHash(userData);
myhashedDataString = BitConverter.ToString(myhashedData).Replace("-", string.Empty);
byte[] mysignature = null;
// holds signatures
mysignature = asf.CreateSignature(algorithm);
string mySignatureBlock = null;
mySignatureBlock = Convert.ToBase64String(mysignature);
Lic.LicenseKey = mySignatureBlock;
}
catch (Exception ex) {
modActiveLock.Set_Locale(modActiveLock.regionalSymbol);
Err().Raise(AlugenGlobals.alugenErrCodeConstants.alugenProdInvalid, modTrial.ACTIVELOCKSTRING, ex.Message);
}
}
// Serialize it into a formatted string
string strLibKey = string.Empty;
Lic.Save(ref strLibKey);
return(strLibKey);
}
public static Claim DeserializeClaim(XmlDictionaryReader reader, SctClaimDictionary dictionary, XmlObjectSerializer serializer)
{
if (reader.IsStartElement(dictionary.NullValue, dictionary.EmptyString))
{
reader.ReadElementString();
return(null);
}
else if (reader.IsStartElement(dictionary.WindowsSidClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
byte[] sidBytes = reader.ReadContentAsBase64();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Sid, new SecurityIdentifier(sidBytes, 0), right));
}
else if (reader.IsStartElement(dictionary.DenyOnlySidClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
byte[] sidBytes = reader.ReadContentAsBase64();
reader.ReadEndElement();
return(new Claim(ClaimTypes.DenyOnlySid, new SecurityIdentifier(sidBytes, 0), right));
}
else if (reader.IsStartElement(dictionary.X500DistinguishedNameClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
byte[] rawData = reader.ReadContentAsBase64();
reader.ReadEndElement();
return(new Claim(ClaimTypes.X500DistinguishedName, new X500DistinguishedName(rawData), right));
}
else if (reader.IsStartElement(dictionary.X509ThumbprintClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
byte[] thumbprint = reader.ReadContentAsBase64();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Thumbprint, thumbprint, right));
}
else if (reader.IsStartElement(dictionary.NameClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
string name = reader.ReadString();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Name, name, right));
}
else if (reader.IsStartElement(dictionary.DnsClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
string dns = reader.ReadString();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Dns, dns, right));
}
else if (reader.IsStartElement(dictionary.RsaClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
string rsaXml = reader.ReadString();
reader.ReadEndElement();
System.Security.Cryptography.RSACryptoServiceProvider rsa = new System.Security.Cryptography.RSACryptoServiceProvider();
rsa.FromXmlString(rsaXml);
return(new Claim(ClaimTypes.Rsa, rsa, right));
}
else if (reader.IsStartElement(dictionary.MailAddressClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
string address = reader.ReadString();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Email, new System.Net.Mail.MailAddress(address), right));
}
else if (reader.IsStartElement(dictionary.SystemClaim, dictionary.EmptyString))
{
reader.ReadElementString();
return(Claim.System);
}
else if (reader.IsStartElement(dictionary.HashClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
byte[] hash = reader.ReadContentAsBase64();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Hash, hash, right));
}
else if (reader.IsStartElement(dictionary.SpnClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
string spn = reader.ReadString();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Spn, spn, right));
}
else if (reader.IsStartElement(dictionary.UpnClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
string upn = reader.ReadString();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Upn, upn, right));
}
else if (reader.IsStartElement(dictionary.UrlClaim, dictionary.EmptyString))
{
string right = ReadRightAttribute(reader, dictionary);
reader.ReadStartElement();
string url = reader.ReadString();
reader.ReadEndElement();
return(new Claim(ClaimTypes.Uri, new Uri(url), right));
}
else
{
return((Claim)serializer.ReadObject(reader));
}
}
/// <summary>
/// RSA加密解密及RSA签名和验证
/// </summary>
public class RSA
{
#region RSA 加密解密
#region RSA 的密钥产生
/// <summary>
/// RSA 的密钥产生 产生私钥 和公钥
/// </summary>
/// <param name="xmlKeys"></param>
/// <param name="xmlPublicKey"></param>
public Tuple<string,string> generateKey()
{
System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
string xmlKeys = rsa.ToXmlString(true);
string xmlPublicKey = rsa.ToXmlString(false);
return Tuple.Create<string, string>(xmlKeys, xmlPublicKey);
}
#endregion
#region RSA的加密函数
//##############################################################################
//RSA 方式加密
//说明KEY必须是XML的行式,返回的是字符串
//在有一点需要说明！！该加密方式有 长度 限制的！！
//##############################################################################
//RSA的加密函数 string
public string encrypt(string xmlPublicKey, string m_strEncryptString)
{
byte[] PlainTextBArray;
byte[] CypherTextBArray;
string Result;
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(xmlPublicKey);
PlainTextBArray = (new UnicodeEncoding()).GetBytes(m_strEncryptString);
CypherTextBArray = rsa.Encrypt(PlainTextBArray, false);
Result = Convert.ToBase64String(CypherTextBArray);
return Result;
}
//RSA的加密函数 byte[]
public string encrypt(string xmlPublicKey, byte[] EncryptString)
{
byte[] CypherTextBArray;
string Result;
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(xmlPublicKey);
CypherTextBArray = rsa.Encrypt(EncryptString, false);
Result = Convert.ToBase64String(CypherTextBArray);
return Result;
}
#endregion
#region RSA的解密函数
//RSA的解密函数 string
public string decrypt(string xmlPrivateKey, string m_strDecryptString)
{
byte[] PlainTextBArray;
byte[] DypherTextBArray;
string Result;
System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(xmlPrivateKey);
PlainTextBArray = Convert.FromBase64String(m_strDecryptString);
DypherTextBArray = rsa.Decrypt(PlainTextBArray, false);
Result = (new UnicodeEncoding()).GetString(DypherTextBArray);
return Result;
}
//RSA的解密函数 byte
public string decrypt(string xmlPrivateKey, byte[] DecryptString)
{
byte[] DypherTextBArray;
string Result;
System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(xmlPrivateKey);
DypherTextBArray = rsa.Decrypt(DecryptString, false);
Result = (new UnicodeEncoding()).GetString(DypherTextBArray);
return Result;
}
#endregion
#endregion
#region RSA数字签名
#region 获取Hash描述表
//获取Hash描述表
public bool GetHash(string m_strSource, ref byte[] HashData)
{
//从字符串中取得Hash描述
byte[] Buffer;
System.Security.Cryptography.HashAlgorithm MD5 = System.Security.Cryptography.HashAlgorithm.Create("MD5");
Buffer = System.Text.Encoding.GetEncoding("GB2312").GetBytes(m_strSource);
HashData = MD5.ComputeHash(Buffer);
return true;
}
//获取Hash描述表
public bool GetHash(string m_strSource, ref string strHashData)
{
//从字符串中取得Hash描述
byte[] Buffer;
byte[] HashData;
System.Security.Cryptography.HashAlgorithm MD5 = System.Security.Cryptography.HashAlgorithm.Create("MD5");
Buffer = System.Text.Encoding.GetEncoding("GB2312").GetBytes(m_strSource);
HashData = MD5.ComputeHash(Buffer);
strHashData = Convert.ToBase64String(HashData);
return true;
}
//获取Hash描述表
public bool GetHash(System.IO.FileStream objFile, ref byte[] HashData)
{
//从文件中取得Hash描述
System.Security.Cryptography.HashAlgorithm MD5 = System.Security.Cryptography.HashAlgorithm.Create("MD5");
HashData = MD5.ComputeHash(objFile);
objFile.Close();
return true;
}
//获取Hash描述表
public bool GetHash(System.IO.FileStream objFile, ref string strHashData)
{
//从文件中取得Hash描述
byte[] HashData;
System.Security.Cryptography.HashAlgorithm MD5 = System.Security.Cryptography.HashAlgorithm.Create("MD5");
HashData = MD5.ComputeHash(objFile);
objFile.Close();
strHashData = Convert.ToBase64String(HashData);
return true;
}
#endregion
#region RSA签名
//RSA签名
public bool SignatureFormatter(string p_strKeyPrivate, byte[] HashbyteSignature, ref byte[] EncryptedSignatureData)
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
return true;
}
//RSA签名
public bool SignatureFormatter(string p_strKeyPrivate, byte[] HashbyteSignature, ref string m_strEncryptedSignatureData)
{
byte[] EncryptedSignatureData;
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
m_strEncryptedSignatureData = Convert.ToBase64String(EncryptedSignatureData);
return true;
}
//RSA签名
public bool SignatureFormatter(string p_strKeyPrivate, string m_strHashbyteSignature, ref byte[] EncryptedSignatureData)
{
byte[] HashbyteSignature;
HashbyteSignature = Convert.FromBase64String(m_strHashbyteSignature);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
return true;
}
//RSA签名
public bool SignatureFormatter(string p_strKeyPrivate, string m_strHashbyteSignature, ref string m_strEncryptedSignatureData)
{
byte[] HashbyteSignature;
byte[] EncryptedSignatureData;
HashbyteSignature = Convert.FromBase64String(m_strHashbyteSignature);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
m_strEncryptedSignatureData = Convert.ToBase64String(EncryptedSignatureData);
return true;
}
#endregion
#region RSA 签名验证
public bool SignatureDeformatter(string p_strKeyPublic, byte[] HashbyteDeformatter, byte[] DeformatterData)
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter RSADeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(RSA);
//指定解密的时候HASH算法为MD5
RSADeformatter.SetHashAlgorithm("MD5");
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return true;
}
else
{
return false;
}
}
public bool SignatureDeformatter(string p_strKeyPublic, string p_strHashbyteDeformatter, byte[] DeformatterData)
{
byte[] HashbyteDeformatter;
HashbyteDeformatter = Convert.FromBase64String(p_strHashbyteDeformatter);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter RSADeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(RSA);
//指定解密的时候HASH算法为MD5
RSADeformatter.SetHashAlgorithm("MD5");
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return true;
}
else
{
return false;
}
}
public bool SignatureDeformatter(string p_strKeyPublic, byte[] HashbyteDeformatter, string p_strDeformatterData)
{
byte[] DeformatterData;
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter RSADeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(RSA);
//指定解密的时候HASH算法为MD5
RSADeformatter.SetHashAlgorithm("MD5");
DeformatterData = Convert.FromBase64String(p_strDeformatterData);
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return true;
}
else
{
return false;
}
}
public bool SignatureDeformatter(string p_strKeyPublic, string p_strHashbyteDeformatter, string p_strDeformatterData)
{
byte[] DeformatterData;
byte[] HashbyteDeformatter;
HashbyteDeformatter = Convert.FromBase64String(p_strHashbyteDeformatter);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(p_strKeyPublic);
System.Security.Cryptography.RSAPKCS1SignatureDeformatter RSADeformatter = new System.Security.Cryptography.RSAPKCS1SignatureDeformatter(RSA);
//指定解密的时候HASH算法为MD5
RSADeformatter.SetHashAlgorithm("MD5");
DeformatterData = Convert.FromBase64String(p_strDeformatterData);
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return true;
}
else
{
return false;
}
}
}
#endregion
#endregion
public static string SignDownload(string updateFile)
{
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
provider.FromXmlString(File.ReadAllText("private.key"));
byte[] signedBytes = provider.SignData(File.ReadAllBytes(updateFile), "SHA256");
return Convert.ToBase64String(signedBytes);
}
