/// <summary>
/// 引用证书非对称加/解密RSA-公钥验签【OriginalString：原文；SignatureString：签名字符；pubkey_path：证书路径；CertificatePW：证书密码；SignType：签名摘要类型（1：MD5，2：SHA1）】
/// </summary>
public static bool CerRSAVerifySignature(string OriginalString, string SignatureString, string pubkey_path, string CertificatePW, int SignType)
{
byte[] OriginalByte = System.Text.Encoding.UTF8.GetBytes(OriginalString);
byte[] SignatureByte = Convert.FromBase64String(SignatureString);
X509Certificate2 x509_Cer1 = new X509Certificate2(pubkey_path, CertificatePW);
RSACryptoServiceProvider rsapub = (RSACryptoServiceProvider)x509_Cer1.PublicKey.Key;
rsapub.ImportCspBlob(rsapub.ExportCspBlob(false));
RSAPKCS1SignatureDeformatter f = new RSAPKCS1SignatureDeformatter(rsapub);
byte[] HashData;
switch (SignType)
{
case 1:
f.SetHashAlgorithm("MD5");//摘要算法MD5
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
HashData = md5.ComputeHash(OriginalByte);
break;
default:
f.SetHashAlgorithm("SHA1");//摘要算法SHA1
SHA1CryptoServiceProvider sha = new SHA1CryptoServiceProvider();
HashData = sha.ComputeHash(OriginalByte);
break;
}
if (f.VerifySignature(HashData, SignatureByte))
{
return true;
}
else
{
return false;
}
}
/// <summary>
/// ��ע����Ϣ���ݲ��÷ǶԳƼ��ܵķ�ʽ����
/// </summary>
/// <param name="originalString">δ���ܵ��ı����������</param>
/// <param name="encrytedString">���ܺ���ı�����ע�����к�</param>
/// <returns>�����֤�ɹ�����True������ΪFalse</returns>
public static bool Validate(string originalString, string encrytedString)
{
bool bPassed = false;
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
try
{
rsa.FromXmlString(UIConstants.PublicKey); //��Կ
RSAPKCS1SignatureDeformatter formatter = new RSAPKCS1SignatureDeformatter(rsa);
formatter.SetHashAlgorithm("SHA1");
byte[] key = Convert.FromBase64String(encrytedString); //��֤
SHA1Managed sha = new SHA1Managed();
byte[] name = sha.ComputeHash(ASCIIEncoding.ASCII.GetBytes(originalString));
if (formatter.VerifySignature(name, key))
{
bPassed = true;
}
}
catch
{
}
}
return bPassed;
}
public static bool Verify(Stream input, Stream output, string publicKey)
{
// ファイルから情報の抽出
var buffer = new byte[64];
if (input.Read(buffer, 0, 64) < 64)
throw new Exception("File is corrupted.(KSIG: Magic Not Found)");
var magicstr = Encoding.UTF8.GetString(buffer).Split(new[] { ":" }, StringSplitOptions.None);
if (magicstr.Length < 2)
throw new Exception("File is corrupted.(KSIG: Invalid Magic Length)");
if (magicstr[0] != MagicStr)
throw new Exception("File is corrupted.(KSIG: Invalid Magic String)");
var siglen = int.Parse(magicstr[1]);
var sigbuf = new byte[siglen];
if (input.Read(sigbuf, 0, siglen) < siglen)
throw new Exception("File is corrupted.(KSIG: Invalid Signature)");
var data = ReadAllBytes(input);
using (var sha = new SHA256Managed())
using (var rsa = new RSACryptoServiceProvider())
{
// Compute hash
var hash = sha.ComputeHash(data);
// RSA Initialize
rsa.FromXmlString(publicKey);
// deformat
var deformatter = new RSAPKCS1SignatureDeformatter(rsa);
deformatter.SetHashAlgorithm("SHA256");
if (!deformatter.VerifySignature(hash, sigbuf))
return false;
}
output.Write(data, 0, data.Length);
return true;
}
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 DigitalSignatureVerificationResult VerifySignature(DigitalSignatureVerificationArguments arguments)
{
var res = new DigitalSignatureVerificationResult();
try
{
var rsaProviderSender = new RSACryptoServiceProvider();
rsaProviderSender.FromXmlString(arguments.PublicKeyForSignatureVerification.ToString());
var deformatter = new RSAPKCS1SignatureDeformatter(rsaProviderSender);
deformatter.SetHashAlgorithm(_hashingService.HashAlgorithmCode());
var hashResult = _hashingService.Hash(arguments.CipherText);
res.SignaturesMatch = deformatter.VerifySignature(hashResult.HashedBytes, arguments.Signature);
if (res.SignaturesMatch)
{
var rsaProviderReceiver = new RSACryptoServiceProvider();
rsaProviderReceiver.FromXmlString(arguments.FullKeyForDecryption.ToString());
var decryptedBytes = rsaProviderReceiver.Decrypt(Convert.FromBase64String(arguments.CipherText), false);
res.DecodedText = Encoding.UTF8.GetString(decryptedBytes);
}
res.Success = true;
}
catch (Exception ex)
{
res.ExceptionMessage = ex.Message;
}
return res;
}
public bool verify(byte[] sig)
{
m_cs.Close();
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSA.ImportParameters(m_RSAKeyInfo);
RSAPKCS1SignatureDeformatter RSADeformatter = new RSAPKCS1SignatureDeformatter(RSA);
RSADeformatter.SetHashAlgorithm("SHA1");
long i = 0;
long j = 0;
byte[] tmp;
if (sig[0] == 0 && sig[1] == 0 && sig[2] == 0)
{
long i1 = (sig[i++] << 24) & 0xff000000;
long i2 = (sig[i++] << 16) & 0x00ff0000;
long i3 = (sig[i++] << 8) & 0x0000ff00;
long i4 = (sig[i++]) & 0x000000ff;
j = i1 | i2 | i3 | i4;
i += j;
i1 = (sig[i++] << 24) & 0xff000000;
i2 = (sig[i++] << 16) & 0x00ff0000;
i3 = (sig[i++] << 8) & 0x0000ff00;
i4 = (sig[i++]) & 0x000000ff;
j = i1 | i2 | i3 | i4;
tmp = new byte[j];
Array.Copy(sig, i, tmp, 0, j);
sig = tmp;
}
return RSADeformatter.VerifySignature(m_sha1, sig);
}
public static bool ValidatePathWithEncodedRSAPKCS1SignatureAndPublicRSAKey(string path, string base64Signature, string publicKey) {
try {
byte[] signature = Convert.FromBase64String(base64Signature);
byte[] data = File.ReadAllBytes(path);
SHA256CryptoServiceProvider cryptoTransformSHA256 = new SHA256CryptoServiceProvider();
byte[] sha256Hash = cryptoTransformSHA256.ComputeHash(data);
string cleanKey = "";
string[] lines = publicKey.Split(new char[] {'\n', '\r'});
foreach (string line in lines) {
cleanKey += line.Trim();
}
byte[] publicKeyData = Convert.FromBase64String(cleanKey);
RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
provider.ImportCspBlob(publicKeyData);
RSAPKCS1SignatureDeformatter formatter = new RSAPKCS1SignatureDeformatter(provider);
formatter.SetHashAlgorithm("SHA256");
return formatter.VerifySignature(sha256Hash, signature);
} catch (Exception ex) {
Console.WriteLine(ex.Message);
return false;
}
}
public override AsymmetricSignatureDeformatter CreateDeformatter(AsymmetricAlgorithm key)
{
if (key == null)
throw new ArgumentNullException(nameof(key));
var d = new RSAPKCS1SignatureDeformatter(key);
d.SetHashAlgorithm(SHA_512);
return d;
}
public override AsymmetricSignatureDeformatter CreateDeformatter(AsymmetricAlgorithm key)
{
if (key == null)
throw new ArgumentNullException("key");
RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(key);
deformatter.SetHashAlgorithm("SHA256");
return deformatter;
}
public bool VerifySignature(byte[] hash, byte[] signedhash)
{
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSAParameters RSAKeyInfo = new RSAParameters();
RSAKeyInfo.Modulus = m_public.Modulus;
RSAKeyInfo.Exponent = m_public.Exponent;
RSA.ImportParameters(RSAKeyInfo);
RSAPKCS1SignatureDeformatter RSADeformatter = new RSAPKCS1SignatureDeformatter(RSA);
RSADeformatter.SetHashAlgorithm("MD5");
return RSADeformatter.VerifySignature(hash, signedhash);
}
/// <summary>
/// Create a deformatter
/// </summary>
/// <param name="key">Key</param>
/// <returns>Deformatter</returns>
public override AsymmetricSignatureDeformatter CreateDeformatter(AsymmetricAlgorithm key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
var df = new RSAPKCS1SignatureDeformatter(key);
df.SetHashAlgorithm(typeof(SHA256Managed).FullName);
return df;
}
public bool VerifySignature(byte[] hashOfDataToSign, byte[] signature)
{
using (var rsa = new RSACryptoServiceProvider(2048))
{
rsa.ImportParameters(_publicKey);
var rsaDeformatter = new RSAPKCS1SignatureDeformatter(rsa);
rsaDeformatter.SetHashAlgorithm("SHA256");
return rsaDeformatter.VerifySignature(hashOfDataToSign, signature);
}
}
public override AsymmetricSignatureDeformatter CreateDeformatter(AsymmetricAlgorithm key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(key);
deformatter.SetHashAlgorithm("SHA256");
return(deformatter);
}
/// <summary>
/// RSA验证
/// </summary>
/// <param name="CypherText">签名后的Base64字符串</param>
/// <param name="xmlString">密钥(至少含公钥)</param>
/// <param name="PlainText">原始串</param>
public static bool VerifyString(string CypherText, string xmlString, string PlainText)
{
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(xmlString);
RSAPKCS1SignatureDeformatter f = new RSAPKCS1SignatureDeformatter(rsa);
f.SetHashAlgorithm("SHA1");
SHA1Managed sha = new SHA1Managed();
byte[] bText = System.Convert.FromBase64String(CypherText);
byte[] bEnc = sha.ComputeHash(System.Text.Encoding.UTF8.GetBytes(PlainText));
return f.VerifySignature(bEnc, bText);
}
public override AsymmetricSignatureDeformatter CreateDeformatter(AsymmetricAlgorithm key)
{
if (key == null)
{
throw new Exception("Invalid key specified for RSAPKCS1SHA256SignatureDescription!");
}
RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(key);
deformatter.SetHashAlgorithm("SHA256");
return deformatter;
}
/// <summary>
/// デジタル署名を検証する
/// </summary>
/// <param name="message">署名の付いたメッセージ</param>
/// <param name="signature">署名</param>
/// <param name="publicKey">送信者の公開鍵</param>
/// <returns>認証に成功した時はTrue。失敗した時はFalse。</returns>
public static bool VerifyDigitalSignature(byte[] message, byte[] signature, string publicKey)
{
byte[] hashData = SHA256.Create().ComputeHash(message);
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(publicKey);
RSAPKCS1SignatureDeformatter rsaDeformatter = new RSAPKCS1SignatureDeformatter(rsa);
rsaDeformatter.SetHashAlgorithm("SHA256");
return rsaDeformatter.VerifySignature(hashData, signature);
}
}
public bool ValidateSignature(OAuthContext authContext, SigningContext signingContext)
{
if (signingContext.Algorithm == null) throw Error.AlgorithmPropertyNotSetOnSigningContext();
SHA1CryptoServiceProvider sha1 = GenerateHash(signingContext);
var deformatter = new RSAPKCS1SignatureDeformatter(signingContext.Algorithm);
deformatter.SetHashAlgorithm("MD5");
byte[] signature = Convert.FromBase64String(authContext.Signature);
return deformatter.VerifySignature(sha1, signature);
}
public bool Verify(byte[] signature, byte[] securedInput, object key)
{
using (var sha = HashAlgorithm)
{
var publicKey = Ensure.Type<AsymmetricAlgorithm>(key, "RsaUsingSha alg expects key to be of AsymmetricAlgorithm type.");
byte[] hash = sha.ComputeHash(securedInput);
var pkcs1 = new RSAPKCS1SignatureDeformatter(publicKey);
pkcs1.SetHashAlgorithm(hashMethod);
return pkcs1.VerifySignature(hash, signature);
}
}
static void Main(string[] args)
{
string pubKey = ConfigurationManager.AppSettings["pubKey"];
string priKey = ConfigurationManager.AppSettings["priKey"];
string input = ConfigurationManager.AppSettings["input"];
string user = ConfigurationManager.AppSettings["user"];
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
SHA1Managed sha = new SHA1Managed();
rsa.FromXmlString(priKey);
Console.WriteLine("begin to encode:");
RSAPKCS1SignatureFormatter signFormatter = new RSAPKCS1SignatureFormatter(rsa);
signFormatter.SetHashAlgorithm("SHA1");
byte[] source = System.Text.ASCIIEncoding.UTF8.GetBytes(input);
byte[] result = sha.ComputeHash(source);
byte[] b = signFormatter.CreateSignature(result);
var signature = Convert.ToBase64String(b);
string outputFile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "sn", input + ".key");
FileInfo fi = new FileInfo(outputFile);
if (!fi.Directory.Exists)
{
fi.Directory.Create();
}
StreamWriter sw = new StreamWriter(fi.OpenWrite(), Encoding.UTF8);
sw.Write(signature);
sw.Close();
Console.WriteLine();
Console.WriteLine(signature);
using (RSACryptoServiceProvider rsa2 = new RSACryptoServiceProvider())
{
rsa2.FromXmlString(pubKey);
RSAPKCS1SignatureDeformatter decodeFormatter = new RSAPKCS1SignatureDeformatter(rsa2);
decodeFormatter.SetHashAlgorithm("SHA1");
byte[] key = Convert.FromBase64String(signature);
byte[] name = sha.ComputeHash(ASCIIEncoding.UTF8.GetBytes(input));
if (decodeFormatter.VerifySignature(name, key))
{
Console.WriteLine("===========can be decoded");
}
else
{
Console.WriteLine("===CANOT be decoded..................");
}
}
}
}
public static bool Verify(byte[] publicKey, byte[] signature, Stream stream)
{
#if Windows
try
{
using (var rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(Encoding.ASCII.GetString(publicKey));
var rsaDeformatter = new RSAPKCS1SignatureDeformatter(rsa);
rsaDeformatter.SetHashAlgorithm("SHA256");
using (var Sha256 = SHA256.Create())
{
return rsaDeformatter.VerifySignature(Sha256.ComputeHash(stream), signature);
}
}
}
catch (Exception)
{
return false;
}
#endif
#if Unix
lock (_lockObject)
{
try
{
using (var rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(Encoding.ASCII.GetString(publicKey));
var rsaDeformatter = new RSAPKCS1SignatureDeformatter(rsa);
rsaDeformatter.SetHashAlgorithm("SHA256");
using (var Sha256 = SHA256.Create())
{
return rsaDeformatter.VerifySignature(Sha256.ComputeHash(stream), signature);
}
}
}
catch (Exception)
{
return false;
}
}
#endif
}
public bool CheckSign()
{
var signMsgVal = GetSign();
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(signMsgVal);
byte[] SignatureByte = Convert.FromBase64String(signMsg);
var publicKey = CoreHelper.CustomSetting.GetConfigKey("快钱WEB公钥文件");
X509Certificate2 cert = new X509Certificate2(publicKey, "");
RSACryptoServiceProvider rsapri = (RSACryptoServiceProvider)cert.PublicKey.Key;
rsapri.ImportCspBlob(rsapri.ExportCspBlob(false));
RSAPKCS1SignatureDeformatter f = new RSAPKCS1SignatureDeformatter(rsapri);
byte[] result;
f.SetHashAlgorithm("SHA1");
SHA1CryptoServiceProvider sha = new SHA1CryptoServiceProvider();
result = sha.ComputeHash(bytes);
return f.VerifySignature(result, SignatureByte);
}
public bool Validate(string EncyptedBase64Key)
{
using (RSACryptoServiceProvider rsa = new RSACryptoServiceProvider())
{
rsa.FromXmlString(pubkey);
RSAPKCS1SignatureDeformatter f = new RSAPKCS1SignatureDeformatter(rsa);
f.SetHashAlgorithm("SHA1");
byte[] key = Convert.FromBase64String(pubkey);
SHA1Managed sha = new SHA1Managed();
byte[] name = sha.ComputeHash(ASCIIEncoding.ASCII.GetBytes(EncyptedBase64Key));
if (f.VerifySignature(name, key))
return true;
else
return false;
}
}
public void OnActionExecuting(ActionExecutingContext filterContext)
{
if (filterContext.HttpContext.User != null && (filterContext.HttpContext.User.Identity as ClaimsIdentity).Claims.Any())
{
var currentUserClaim = (filterContext.HttpContext.User.Identity as ClaimsIdentity).Claims.FirstOrDefault(claim => claim.Type == "http://schemas.xmlsoap.org/ws/2005/05/identity/claims/nameidentifier");
if (currentUserClaim != null)
{
var currentUser = currentUserClaim.Value;
if (currentUser != null)
if (UserForLogOutDictionary.ContainsKey(currentUser))
{
FederatedAuthentication.SessionAuthenticationModule.DeleteSessionTokenCookie();
filterContext.HttpContext.Response.Redirect(UrlHelper.GenerateContentUrl("~/", filterContext.HttpContext));
filterContext.HttpContext.Response.End();
string temp;
UserForLogOutDictionary.TryRemove(currentUserClaim.Value, out temp);
}
}
}
var extendeduser = filterContext.HttpContext.Request.Form.Get("SAMLLogoutUser");
if (string.IsNullOrEmpty(extendeduser))
{
return;
}
var user = extendeduser.Split(";".ToCharArray())[0];
var issuer = HttpUtility.UrlDecode(extendeduser.Split(";".ToCharArray())[1]);
var signed = filterContext.HttpContext.Request.Form.Get("hash");
var cert = AuthServicesController.Options.IdentityProviders[new EntityId() { Id = issuer }];
RSAPKCS1SignatureDeformatter RSADeformatter = new RSAPKCS1SignatureDeformatter(cert.SigningKeys.First());
RSADeformatter.SetHashAlgorithm("SHA1");
SHA1Managed SHhash = new SHA1Managed();
if (RSADeformatter.VerifySignature(
SHhash.ComputeHash(new UnicodeEncoding().GetBytes(HttpUtility.UrlEncode(extendeduser))),
System.Convert.FromBase64String(signed))
)
{
UserForLogOutDictionary[user] = "true";
return;
}
}
public static bool CheckCopyright()
{
XmlDocument document = HiCache.Get("Hishop_SiteLicense") as XmlDocument;
HttpContext current = HttpContext.Current;
if (document == null)
{
string path = null;
if (current != null)
{
path = current.Request.MapPath("~/config/Hishop.lic");
}
else
{
path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Hishop.lic");
}
if (!File.Exists(path))
{
return false;
}
document = new XmlDocument();
document.LoadXml(File.ReadAllText(path));
HiCache.Max("Hishop_SiteLicense", document, new CacheDependency(path));
}
XmlNode node = document.DocumentElement.SelectSingleNode("//Host");
XmlNode node2 = document.DocumentElement.SelectSingleNode("//LicenseDate");
XmlNode node3 = document.DocumentElement.SelectSingleNode("//ExpiresDate");
XmlNode node4 = document.DocumentElement.SelectSingleNode("//Signature");
SiteSettings masterSettings = SettingsManager.GetMasterSettings(false);
if (string.Compare(node.InnerText, masterSettings.SiteUrl, true, CultureInfo.InvariantCulture) != 0)
{
return false;
}
string s = string.Format(CultureInfo.InvariantCulture, "Host={0}&LicenseDate={1}&ExpiresDate={2}&Key={3}", new object[] { masterSettings.SiteUrl, node2.InnerText, node3.InnerText, masterSettings.CheckCode });
bool flag = false;
using (RSACryptoServiceProvider provider = new RSACryptoServiceProvider())
{
provider.FromXmlString(LicenseHelper.GetPublicKey());
RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(provider);
deformatter.SetHashAlgorithm("SHA1");
byte[] rgbSignature = Convert.FromBase64String(node4.InnerText);
byte[] rgbHash = new SHA1Managed().ComputeHash(Encoding.UTF8.GetBytes(s));
flag = deformatter.VerifySignature(rgbHash, rgbSignature);
}
return (flag && (DateTime.Now < DateTime.Parse(node3.InnerText)));
}
/// <summary>
/// 验证签名
/// </summary>
/// <param name="content">验证内容</param>
/// <param name="publicKeyPath">公钥路径</param>
/// <param name="signature">签名信息</param>
/// <returns>验证成功则返回true,失败则返回false</returns>
public static bool RsaSHA1Verify(this string content, string publicKeyPath, byte[] signature)
{
try
{
X509Certificate2 x509Certificate = new X509Certificate2(publicKeyPath);
var signatureDeformatter = new RSAPKCS1SignatureDeformatter(x509Certificate.PublicKey.Key);
signatureDeformatter.SetHashAlgorithm(HashAlgorithmName.SHA1.Name);
return(signatureDeformatter.VerifySignature(content.ToBytes(), signature));
}
catch (CryptographicException ex)
{
throw ex;
}
catch (SystemException ex2)
{
throw ex2;
}
}
public bool Verify(byte[] signature, byte[] securedInput, object key)
{
#if NET40
using (var sha = HashAlgorithm)
{
var publicKey = Ensure.Type<AsymmetricAlgorithm>(key, "RsaUsingSha alg expects key to be of AsymmetricAlgorithm type.");
byte[] hash = sha.ComputeHash(securedInput);
var pkcs1 = new RSAPKCS1SignatureDeformatter(publicKey);
pkcs1.SetHashAlgorithm(hashMethod);
return pkcs1.VerifySignature(hash, signature);
}
#elif NETSTANDARD1_4
var publicKey = Ensure.Type<RSA>(key, "RsaUsingSha alg expects key to be of RSA type.");
return publicKey.VerifyData(securedInput, signature, HashAlgorithm, RSASignaturePadding.Pkcs1);
#endif
}
static public bool CheckSignature(byte[] data, int offset, byte[] signedHash)
{
//Create a new instance of RSACryptoServiceProvider.
var rsa = new RSACryptoServiceProvider(2048);
//The hash to sign.
HashAlgorithm ha = SHA256.Create();
var hash = ha.ComputeHash(data, offset, 0x100);
//Create an RSAPKCS1SignatureDeformatter object and pass it the
//RSACryptoServiceProvider to transfer the key information.
var rsaDeformatter = new RSAPKCS1SignatureDeformatter(rsa);
rsaDeformatter.SetHashAlgorithm("SHA256");
//Verify the hash and display the results to the console.
return rsaDeformatter.VerifySignature(hash, signedHash);
}
public static void Check(out bool isValid, out bool expired, out int siteQty)
{
siteQty = 0;
isValid = false;
expired = true;
XmlDocument document = HiCache.Get("FileCache_CommercialLicenser") as XmlDocument;
if (document == null)
{
string path = HttpContext.Current.Request.MapPath("/config/Certificates.cer");
if (!File.Exists(path))
{
return;
}
document = new XmlDocument();
document.LoadXml(File.ReadAllText(path));
HiCache.Max("FileCache_CommercialLicenser", document, new CacheDependency(path));
}
XmlNode node = document.DocumentElement.SelectSingleNode("//Host");
XmlNode node2 = document.DocumentElement.SelectSingleNode("//LicenseDate");
XmlNode node3 = document.DocumentElement.SelectSingleNode("//Expires");
XmlNode node4 = document.DocumentElement.SelectSingleNode("//SiteQty");
XmlNode node5 = document.DocumentElement.SelectSingleNode("//Signature");
if (string.Compare(node.InnerText, HttpContext.Current.Request.Url.Host, true, CultureInfo.InvariantCulture) == 0)
{
string s = string.Format(CultureInfo.InvariantCulture, "Host={0}&Expires={1}&SiteQty={2}&LicenseDate={3}", new object[] { HttpContext.Current.Request.Url.Host, node3.InnerText, node4.InnerText, node2.InnerText });
using (RSACryptoServiceProvider provider = new RSACryptoServiceProvider())
{
provider.FromXmlString(LicenseHelper.GetPublicKey());
RSAPKCS1SignatureDeformatter deformatter = new RSAPKCS1SignatureDeformatter(provider);
deformatter.SetHashAlgorithm("SHA1");
byte[] rgbSignature = Convert.FromBase64String(node5.InnerText);
byte[] rgbHash = new SHA1Managed().ComputeHash(Encoding.UTF8.GetBytes(s));
isValid = deformatter.VerifySignature(rgbHash, rgbSignature);
}
expired = DateTime.Now > DateTime.Parse(node3.InnerText);
if (!(!isValid ? true : expired))
{
int.TryParse(node4.InnerText, out siteQty);
}
}
}
public static bool VerifySignature(string textToVerify, string signature, string XMLpublicKey)
{
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSA.FromXmlString(XMLpublicKey);
RSAPKCS1SignatureDeformatter RSADeformatter = new RSAPKCS1SignatureDeformatter(RSA);
RSADeformatter.SetHashAlgorithm("SHA1");
SHA1Managed SHhashpub = new SHA1Managed();
if (RSADeformatter.VerifySignature(
SHhashpub.ComputeHash(new UnicodeEncoding().GetBytes(textToVerify)),
System.Convert.FromBase64String(signature))
)
{
/// The signature is valid.
return true;
}
else
{
/// The signature is not valid.
return false;
}
}
public static bool VerifyLicense()
{
//The XML file that holds the public key, license key, and the Digital Signature
XmlDocument licenseFile = new XmlDocument();
licenseFile.Load(Environment.CurrentDirectory + @"\licenseinfo.xml");
// The RSA public key
RSAParameters RSAKeyInfo = new RSAParameters
{
Modulus = Convert.FromBase64String(licenseFile.DocumentElement.SelectSingleNode(@"/LicenseInfo/RSAKeyValue/Modulus").InnerText),
Exponent = Convert.FromBase64String(licenseFile.DocumentElement.SelectSingleNode(@"/LicenseInfo/RSAKeyValue/Exponent").InnerText)
};
RSACryptoServiceProvider RSA = new RSACryptoServiceProvider();
RSA.ImportParameters(RSAKeyInfo);
// A deformatter to verify the digital signature against the license
RSAPKCS1SignatureDeformatter rsaDeformatter = new RSAPKCS1SignatureDeformatter(RSA);
rsaDeformatter.SetHashAlgorithm("SHA1");
// The hash to be verified against the signature
byte[] hash = Encoding.ASCII.GetBytes(licenseFile.DocumentElement.SelectSingleNode(@"/LicenseInfo/KEY").InnerText);
// The signature used to verify the hash
byte[] signature = Convert.FromBase64String(licenseFile.DocumentElement.SelectSingleNode(@"/LicenseInfo/SignedKey").InnerText);
string savedLicenseKey = licenseFile.DocumentElement.SelectSingleNode(@"/LicenseInfo/KEY").InnerText;
string truncatedMachineName = savedLicenseKey.Substring(savedLicenseKey.LastIndexOf(@"/") + 5);
// If license is not licensed to this computer
if (Environment.MachineName.Substring(0, truncatedMachineName.Length) != truncatedMachineName)
{
return false;
}
// If the signature is valid, return true
if (rsaDeformatter.VerifySignature(hash, signature))
{
return true;
}
return false;
}
/// <summary>
/// RSA签名
/// </summary>
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 pStrKeyPublic, string pStrHashbyteDeformatter, string pStrDeformatterData)
{
var hashbyteDeformatter = Convert.FromBase64String(pStrHashbyteDeformatter);
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);
}
}
/// <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;
}
}
public bool verify(byte[] sig)
{
long i = 0;
long j = 0;
byte[] tmp;
//Util.Dump("c:\\sig.bin", sig);
if (sig[0] == 0 && sig[1] == 0 && sig[2] == 0)
{
long i1 = (sig[i++] << 24) & 0xff000000;
long i2 = (sig[i++] << 16) & 0x00ff0000;
long i3 = (sig[i++] << 8) & 0x0000ff00;
long i4 = (sig[i++]) & 0x000000ff;
j = i1 | i2 | i3 | i4;
i += j;
i1 = (sig[i++] << 24) & 0xff000000;
i2 = (sig[i++] << 16) & 0x00ff0000;
i3 = (sig[i++] << 8) & 0x0000ff00;
i4 = (sig[i++]) & 0x000000ff;
j = i1 | i2 | i3 | i4;
tmp = new byte[j];
Array.Copy(sig, i, tmp, 0, j); sig = tmp;
}
SSC.RSA rsa = SSC.RSA.Create();
rsa.ImportParameters(RSAparams);
SSC.RSAPKCS1SignatureDeformatter verifier = new SSC.RSAPKCS1SignatureDeformatter(rsa);
verifier.SetHashAlgorithm("SHA1");
sc.Close();
bool res = verifier.VerifySignature(md, sig);
return(res);
}
/// <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>
/// Compare string and encrypted signature
/// </summary>
/// <param name="message">Plain text string</param>
/// <param name="signatureInBase64">Encrypted signature in base64</param>
/// <param name="publicKeyInBase64">RSA Key in base64 to check signature</param>
/// <returns>True/False</returns>
public static bool checkSignature(string message, string signatureInBase64, string publicKeyInBase64)
{
var stringReader = new System.IO.StringReader(Base64Decode(publicKeyInBase64));
var xmlSerializer = new System.Xml.Serialization.XmlSerializer(typeof(RSAParameters));
var pubicKey = (RSAParameters)xmlSerializer.Deserialize(stringReader);
var serviceProvider = new RSACryptoServiceProvider();
serviceProvider.ImportParameters(pubicKey);
//get signature
RSAPKCS1SignatureDeformatter RSADeformatter = new RSAPKCS1SignatureDeformatter(serviceProvider);
RSADeformatter.SetHashAlgorithm("SHA256");
SHA256Managed SHhash = new SHA256Managed();
//checking
if (RSADeformatter.VerifySignature(SHhash.ComputeHash(new UnicodeEncoding().GetBytes(message)), System.Convert.FromBase64String(Base64Decode(signatureInBase64))))
{
return true;
}
else
{
return false;
}
}
//验证数字签名
public bool DecryptHash(string publicKey, byte[] hash_byte, byte[] eSignature)
{
try
{
RSACryptoServiceProvider Rsa4 = new RSACryptoServiceProvider();
Rsa4.FromXmlString(publicKey);
//bool bVerify = Rsa4.VerifyData(strData, "SHA1", AOutput);
RSAPKCS1SignatureDeformatter RSADeformatter = new RSAPKCS1SignatureDeformatter(Rsa4);
RSADeformatter.SetHashAlgorithm("MD5");
bool bVerify = RSADeformatter.VerifySignature(hash_byte,eSignature);
if (bVerify)
{
return true;
}
return false;
}
catch (CryptographicException e)
{
return false;
}
}
/// <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 bool SignatureDeformatter(string strKeyPublic, byte[] HashbyteDeformatter, byte[] DeformatterData)
{
try
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
//RSA.FromXmlString(strKeyPublic);
RSA.ImportCspBlob(Convert.FromBase64String(strKeyPublic));//载入钥
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>
/// 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