CryptographyHelper, Symmetric Algorithm, Asymmetric Algorithm, Hash Algorithm, Keyed Hash Algorithm, RSA, X509


/*
makecert.exe -n "CN=Microshaoft X509 Test - A" -sky exchange -pe -sv a.pvk a.cer
pvk2pfx.exe -pvk a.pvk -spc a.cer -pfx a.pfx -f -po 123
makecert.exe -n "CN=Microshaoft X509 Test - B" -sky exchange -pe -sv b.pvk b.cer
pvk2pfx.exe -pvk b.pvk -spc b.cer -pfx b.pfx -f -po abc
*/
namespace Test
{
    using System;
    using System.IO;
    using System.Text;
    using System.Threading;
    using System.Security.Cryptography;
    using System.Security.Cryptography.X509Certificates;
    using Microshaoft;
    class Class1
    {
        static void Main()
        {
            //=======================================
            UTF8Encoding e = new UTF8Encoding();
            string s;
            byte[] data = e.GetBytes
                                (
@"测试@microshaoft.com测试@microshaoft.com测试@microshaoft.com
测试@microshaoft.com测试@microshaoft.com测试@microshaoft.com");
            byte[] encryptedData;
            // Hybird
            Console.WriteLine("Hybird(X509+3DES):=====================");
            X509Certificate2 cerA = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.cer");
            X509Certificate2 pfxA = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.pfx", "123");
            X509Certificate2 cerB = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\b.cer");
            Secret secret = CryptographyHelper.HybridEncrypt
                                                    (
                                                        pfxA
                                                        , cerA
                                                        , cerB
                                                        , HashSignatureMode.SHA1
                                                        , false
                                                        , data
                                                    );
            X509Certificate2 pfxB = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\b.pfx", "abc");
            data = CryptographyHelper.HybridDecrypt(pfxB, secret);
            s = e.GetString(data);
            Console.WriteLine("Hybird decrypted plain text:");
            Console.WriteLine(s);
            //100 字节以内
            s = "测试@microshaoft.com测试@microshaoft.com测试@microshaoft.com测试";
            data = e.GetBytes(s);
            // X509
            Console.WriteLine("\nX509 加解密 只能处理100字节以内的加解密:=====================");
            X509Certificate2[] certs = X509CertificateHelper.LoadCertificatesFromStore
                                                                        (
                                                                            StoreName.My
                                                                            , StoreLocation.CurrentUser
                                                                            , "Microshaoft X509 Test"
                                                                            , X509FindType.FindBySubjectName
                                                                        );
            X509Certificate2 cert = null;
            if (certs != null)
            {
                foreach (X509Certificate2 c in certs)
                {
                    Console.WriteLine(c.Subject);
                    cert = c;
                }
            }
            X509Certificate2 cer = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.cer");
            X509Certificate2 pfx = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.pfx", "123");
            encryptedData = CryptographyHelper.X509CertificateEncrypt(cer, data, false);
            encryptedData = CryptographyHelper.X509CertificateDecrypt(pfx, encryptedData, false);
            s = e.GetString(encryptedData);
            Console.WriteLine("X509 decrypted plain text: {0}", s);
            //RSA
            Console.WriteLine("\nRSA 加解密 只能处理100字节以内的加解密:=====================");
            // RSA 非证书 只能处理100字节以内的加解密
            s = "测试@microshaoft.com测试@microshaoft.com测试@microshaoft.com测试";
            data = e.GetBytes(s);
            RSACryptoServiceProvider x = new RSACryptoServiceProvider();
            string privateKey = x.ToXmlString(true);
            Console.WriteLine("RSA Private Key: {0}", privateKey);
            string publicKey = x.ToXmlString(false);
            Console.WriteLine("RSA Public Key: {0}", publicKey);
            //公钥加密
            encryptedData = CryptographyHelper.RSAEncrypt(publicKey, data, false);
            //私钥解密
            data = CryptographyHelper.RSADecrypt(privateKey, encryptedData, false);
            Console.WriteLine("RSA Decrypted plaintext: {0}", e.GetString(data));
            //私钥签名
            byte[] signature = CryptographyHelper.RSASignSHA1(privateKey, data);
            //公钥验签
            Console.WriteLine(CryptographyHelper.RSAVerifySHA1(publicKey, data, signature));
            //TripleDES
            Console.WriteLine("\nTripleDES:===============");
            string key = "000111222333444555666777888999aaabbbcccdddeeefff";//48
            key = "0123456789abcdef01111111111111111111111111111110";
            string iv = "0123456789abcdef";//16
            iv = "0000000000000000";
            data = e.GetBytes("测试@microshaoft.com");
            SymmetricAlgorithm symmetricAlgorithm = new TripleDESCryptoServiceProvider();
            symmetricAlgorithm.Key = CryptographyHelper.HexStringToBytesArray(key);
            symmetricAlgorithm.IV = CryptographyHelper.HexStringToBytesArray(iv);
            data = CryptographyHelper.SymmetricAlgorithmEncrypt
                                            (
                                                symmetricAlgorithm
                                                , data 
                                            );
            //"测试@microshaoft.com"
            //3des: "A668632B4AA1EB8C1B25F7E66128846D28CEB416AC7B7B21"
            //篡改: "B668632B4AA1EB8C1B25F7E66128846D28CEB416AC7B7B21"
            data = CryptographyHelper.SymmetricAlgorithmDecrypt
                                            (
                                                symmetricAlgorithm, 
                                                data
                                            );
            Console.WriteLine("3DES Decrypted plaintext: {0}", e.GetString(data));
            Console.WriteLine("X509 并发测试");
            Console.ReadLine();
            encryptorPrivateKeyPfxProvider = encryptorPrivateKeyPfx.PrivateKey as RSACryptoServiceProvider;
            encryptorPublicKeyCerProvider = encryptorPublicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
            decryptorPublicKeyCerProvider = decryptorPublicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
            decryptorPrivateKeyPfxProvider = decryptorPrivateKeyPfx.PrivateKey as RSACryptoServiceProvider;
            for (int i = 0; i < 1000; i++)
            {
                ThreadStart ts = new ThreadStart(Run);
                Thread t = new Thread(ts);
                t.Name = _ThreadID.ToString();
                _ThreadID++;
                t.Start();
                //Run();
            }
            Console.WriteLine(Environment.Version.ToString());
        }
        private static volatile int _ThreadID = 0;
        private static object _syncLockObject = new object();
        private static X509Certificate2 encryptorPrivateKeyPfx = new X509Certificate2(@"a.pfx", "123");
        private static X509Certificate2 encryptorPublicKeyCer = new X509Certificate2(@"a.cer");
        private static X509Certificate2 decryptorPublicKeyCer = new X509Certificate2(@"b.cer");
        private static X509Certificate2 decryptorPrivateKeyPfx = new X509Certificate2(@"b.pfx", "abc");
        private static RSACryptoServiceProvider encryptorPrivateKeyPfxProvider = null;
        private static RSACryptoServiceProvider encryptorPublicKeyCerProvider = null;
        private static RSACryptoServiceProvider decryptorPublicKeyCerProvider = null;
        private static RSACryptoServiceProvider decryptorPrivateKeyPfxProvider = null;
        static void Run()
        {
            ///            X509Certificate2 cerA = null;// = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.cer");
            ///            X509Certificate2 pfxA = null;// = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.pfx", "123");
            ///            X509Certificate2 cerB = null;// = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\b.cer");
            ///            X509Certificate2 pfxB = null;// = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\b.pfx", "abc");
            //lock (_syncLockObject)
            {
                try
                {
                    //Thread.Sleep(50);
                    ///                        cerA = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.cer");
                    ///                        pfxA = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\a.pfx", "123");
                    ///                        cerB = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\b.cer");
                    ///                        pfxB = new X509Certificate2(@"C:\Users\xiyueyu\Desktop\b.pfx", "abc");
                    UTF8Encoding e = new UTF8Encoding();
                    string s;
                    byte[] data = e.GetBytes
                                        (
@"并发测试@microshaoft.com并发测试@microshaoft.com并发测试@microshaoft.com
并发测试@microshaoft.com并发测试@microshaoft.com并发测试@microshaoft.com
并发测试@microshaoft.com并发测试@microshaoft.com并发测试@microshaoft.com
并发测试@microshaoft.com并发测试@microshaoft.com并发测试@microshaoft.com
并发测试@microshaoft.com并发测试@microshaoft.com并发测试@microshaoft.com
并发测试@microshaoft.com并发测试@microshaoft.com并发测试@microshaoft.com
并发测试@microshaoft.com并发测试@microshaoft.com并发测试@microshaoft.com");
                    //byte[] encryptedData;
                    // Hybird
                    //Console.WriteLine("Hybird(X509+3DES):=====================");
                    Secret secret = CryptographyHelper.HybridEncrypt
                                                        (
                                                            encryptorPrivateKeyPfxProvider
                                                            , encryptorPublicKeyCer
                                                            , decryptorPublicKeyCerProvider
                                                            , HashSignatureMode.SHA1
                                                            , false
                                                            , data
                                                        );
                    data = CryptographyHelper.HybridDecrypt
                                                (
                                                    decryptorPrivateKeyPfxProvider
                                                    , encryptorPublicKeyCerProvider
                                                    , secret
                                                );
                    s = e.GetString(data);
                    Console.WriteLine("Hybird decrypted plain text: {0}", Thread.CurrentThread.Name);
                    Console.WriteLine(s);
                }
                catch (Exception e)
                {
                    //    Thread.Sleep(1200);
                    Console.WriteLine("exception sleep: {0}", e.ToString());
                    Console.WriteLine("exception sleep: {0}", Thread.CurrentThread.Name);
                    //    Run();
                }
                finally
                {
                    ///                    cerA.Reset();
                    ///                    pfxA.Reset();
                    ///                    cerB.Reset();
                    ///                    cerB.Reset();
                }
            }
        }
    }
}
namespace Microshaoft
{
    using System;
    using System.Security.Cryptography;
    using System.Security.Cryptography.X509Certificates;
    public static class X509CertificateHelper
    {
        public static X509Certificate2[] LoadCertificatesFromStore
                                            (
                                                StoreName storeName
                                                , StoreLocation storeLocation
                                                , string findValue
                                                , X509FindType findType
                                            )
        {
            X509Certificate2[] certs = null;
            X509Store store = new X509Store(storeName, storeLocation);
            store.Open(OpenFlags.ReadOnly);
            try
            {
                X509Certificate2Collection matches = store.Certificates.Find(findType, findValue, false);
                certs = new X509Certificate2[matches.Count];
                matches.CopyTo(certs, 0);
            }
            finally
            {
                store.Close();
            }
            return certs;
        }
    }
}
namespace Microshaoft
{
    using System;
    using System.IO;
    using System.Text;
    using System.Security.Cryptography;
    using System.Security.Cryptography.X509Certificates;
    public class Secret
    {
        public byte[] EncryptorSharedEncryptedOnceKey;
        public byte[] EncryptorSharedEncryptedOnceIV;
        public byte[] EncryptorHashSignature;
        public byte[] EncryptorPublicKeyCerRawData;
        public byte[] EncryptedData;
        public HashSignatureMode SignHashMode;
        public bool DoOAEPadding;
    }
    public enum HashSignatureMode
    {
        MD5
        , SHA1
    }
    public static class CryptographyHelper
    {
        public static byte[] HybridDecrypt
                                    (
                                        X509Certificate2 decryptorPrivateKeyPfx
                                        , Secret data
                                    )
        {
            X509Certificate2 encryptorPublicKeyCer = null;
            try
            {
                RSACryptoServiceProvider decryptorPrivateKeyPfxProvider = decryptorPrivateKeyPfx.PrivateKey as RSACryptoServiceProvider;
                encryptorPublicKeyCer = new X509Certificate2(data.EncryptorPublicKeyCerRawData);
                RSACryptoServiceProvider encryptorPublicKeyCerProvider = encryptorPublicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
                return HybridDecrypt
                                    (
                                        decryptorPrivateKeyPfxProvider
                                        , encryptorPublicKeyCerProvider
                                        , data
                                    );
            }
            catch
            {
                return null;
            }
            finally
            {
                if (encryptorPublicKeyCer != null)
                {
                    encryptorPublicKeyCer.Reset();
                }
            }
        }
        public static byte[] HybridDecrypt
                                    (
                                        RSACryptoServiceProvider decryptorPrivateKeyPfxProvider
                                        , RSACryptoServiceProvider encryptorPublicKeyCerProvider
                                        , Secret data
                                    )
        {
            byte[] buffer = null;
            HashAlgorithm hashAlgorithm;
            if (data.SignHashMode == HashSignatureMode.SHA1)
            {
                hashAlgorithm = new SHA1CryptoServiceProvider();
            }
            else //(hashSignatureMode == HashSignatureMode.MD5)
            {
                hashAlgorithm = new MD5CryptoServiceProvider();
            }
            using (MemoryStream stream = new MemoryStream())
            {
                buffer = data.EncryptorSharedEncryptedOnceIV;
                stream.Write(buffer, 0, buffer.Length);
                buffer = data.EncryptorSharedEncryptedOnceKey;
                stream.Write(buffer, 0, buffer.Length);
                buffer = data.EncryptedData;
                stream.Position = 0;
                buffer = hashAlgorithm.ComputeHash(stream);
                stream.Close();
            }
            //X509Certificate2 encryptorPublicKeyCer = new X509Certificate2(data.EncryptorPublicKeyCerRawData);
            //RSACryptoServiceProvider encryptorPublicKeyCerProvider = encryptorPublicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
            if (encryptorPublicKeyCerProvider.VerifyHash
                                                (
                                                    buffer
                                                    , Enum.GetName
                                                                (
                                                                    data.SignHashMode.GetType()
                                                                    , data.SignHashMode
                                                                )
                                                    , data.EncryptorHashSignature
                                                )
                )
            {
                //decryptorPrivateKeyPfxProvider = decryptorPrivateKeyPfx.PrivateKey as RSACryptoServiceProvider;
                using (TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider())
                {
                    buffer = data.EncryptorSharedEncryptedOnceIV;
                    buffer = decryptorPrivateKeyPfxProvider.Decrypt(buffer, data.DoOAEPadding);
                    des.IV = buffer;
                    buffer = data.EncryptorSharedEncryptedOnceKey;
                    buffer = decryptorPrivateKeyPfxProvider.Decrypt(buffer, data.DoOAEPadding);
                    des.Key = buffer;
                    buffer = data.EncryptedData;
                    buffer = des.CreateDecryptor().TransformFinalBlock(buffer, 0, buffer.Length);
                }
            }
            else
            {
                buffer = null;
            }
            return buffer;
        }
        public static Secret HybridEncrypt
                                    (
                                        byte[] encryptorPrivateKeyPfxRawData
                                        , byte[] encryptorPublicKeyCerRawData
                                        , byte[] decryptorPublicKeyCerRawData
                                        , HashSignatureMode hashSignatureMode
                                        , bool DoOAEPadding
                                        , byte[] data
                                    )
        {
            X509Certificate2 encryptorPrivateKeyPfx = null;
            X509Certificate2 encryptorPublicKeyCer = null;
            X509Certificate2 decryptorPublicKeyCer = null;
            try
            {
                encryptorPrivateKeyPfx = null;
                encryptorPublicKeyCer = null;
                decryptorPublicKeyCer = null;
                return HybridEncrypt
                        (
                            encryptorPrivateKeyPfx
                            , encryptorPublicKeyCer
                            , decryptorPublicKeyCer
                            , hashSignatureMode
                            , DoOAEPadding
                            , data
                        );
            }
            catch
            {
                return null;
            }
            finally
            {
                if (encryptorPrivateKeyPfx != null)
                {
                    encryptorPrivateKeyPfx.Reset();
                }
                if (encryptorPublicKeyCer != null)
                {
                    encryptorPublicKeyCer.Reset();
                }
                if (decryptorPublicKeyCer != null)
                {
                    decryptorPublicKeyCer.Reset();
                }
            }
        }
        public static Secret HybridEncrypt
                                    (
                                        string encryptorPrivateKeyPfxFileName
                                        , string encryptorPublicKeyCerFileName
                                        , string decryptorPublicKeyCerFileName
                                        , HashSignatureMode hashSignatureMode
                                        , bool DoOAEPadding
                                        , byte[] data
                                    )
        {
            X509Certificate2 encryptorPrivateKeyPfx = null;
            X509Certificate2 encryptorPublicKeyCer = null;
            X509Certificate2 decryptorPublicKeyCer = null;
            try
            {
                encryptorPrivateKeyPfx = new X509Certificate2(encryptorPrivateKeyPfxFileName);
                encryptorPublicKeyCer = new X509Certificate2(encryptorPublicKeyCerFileName);
                decryptorPublicKeyCer = new X509Certificate2(decryptorPublicKeyCerFileName);
                return HybridEncrypt
                        (
                            encryptorPrivateKeyPfx
                            , encryptorPublicKeyCer
                            , decryptorPublicKeyCer
                            , hashSignatureMode
                            , DoOAEPadding
                            , data
                        );
            }
            catch
            {
                return null;
            }
            finally
            {
                if (encryptorPrivateKeyPfx != null)
                {
                    encryptorPrivateKeyPfx.Reset();
                }
                if (encryptorPublicKeyCer != null)
                {
                    encryptorPublicKeyCer.Reset();
                }
                if (decryptorPublicKeyCer != null)
                {
                    decryptorPublicKeyCer.Reset();
                }
            }
        }
        public static Secret HybridEncrypt
                                    (
                                        X509Certificate2 encryptorPrivateKeyPfx
                                        , X509Certificate2 encryptorPublicKeyCer
                                        , X509Certificate2 decryptorPublicKeyCer
                                        , HashSignatureMode signHashMode
                                        , bool DoOAEPadding
                                        , byte[] data
                                    )
        {
            RSACryptoServiceProvider encryptorPrivateKeyPfxProvider = encryptorPrivateKeyPfx.PrivateKey as RSACryptoServiceProvider;
            RSACryptoServiceProvider decryptorPublicKeyCerProvider = decryptorPublicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
            return HybridEncrypt
                        (
                            encryptorPrivateKeyPfxProvider
                            , encryptorPublicKeyCer
                            , decryptorPublicKeyCerProvider
                            , signHashMode
                            , DoOAEPadding
                            , data
                        );
        }
        public static Secret HybridEncrypt
                                    (
                                        RSACryptoServiceProvider encryptorPrivateKeyPfxProvider
                                        , X509Certificate2 encryptorPublicKeyCer
                                        , RSACryptoServiceProvider decryptorPublicKeyCerProvider
                                        , HashSignatureMode signHashMode
                                        , bool DoOAEPadding
                                        , byte[] data
                                    )
        {
            Secret secret = new Secret();
            using (TripleDESCryptoServiceProvider provider = new TripleDESCryptoServiceProvider())
            {
                provider.GenerateIV();
                secret.EncryptorSharedEncryptedOnceIV = provider.IV;
                provider.GenerateKey();
                secret.EncryptorSharedEncryptedOnceKey = provider.Key;
                secret.EncryptedData = provider.CreateEncryptor().TransformFinalBlock(data, 0, data.Length);
            }
            secret.EncryptorSharedEncryptedOnceIV = decryptorPublicKeyCerProvider.Encrypt(secret.EncryptorSharedEncryptedOnceIV, DoOAEPadding);
            secret.EncryptorSharedEncryptedOnceKey = decryptorPublicKeyCerProvider.Encrypt(secret.EncryptorSharedEncryptedOnceKey, DoOAEPadding);
            HashAlgorithm hashAlgorithm;
            if (signHashMode == HashSignatureMode.SHA1)
            {
                hashAlgorithm = new SHA1CryptoServiceProvider();
            }
            else //(hashSignatureMode == HashSignatureMode.MD5)
            {
                hashAlgorithm = new MD5CryptoServiceProvider();
            }
            MemoryStream stream = new MemoryStream();
            byte[] buffer = secret.EncryptorSharedEncryptedOnceIV;
            stream.Write(buffer, 0, buffer.Length);
            buffer = secret.EncryptorSharedEncryptedOnceKey;
            stream.Write(buffer, 0, buffer.Length);
            buffer = secret.EncryptedData;
            stream.Position = 0;
            buffer = hashAlgorithm.ComputeHash(stream);
            stream.Close();
            stream.Dispose();
            secret.EncryptorHashSignature = encryptorPrivateKeyPfxProvider.SignHash
                                                                                (
                                                                                    buffer
                                                                                    , Enum.GetName
                                                                                                (
                                                                                                    signHashMode.GetType()
                                                                                                    , signHashMode
                                                                                                )
                                                                                );
            secret.EncryptorPublicKeyCerRawData = encryptorPublicKeyCer.RawData;
            secret.SignHashMode = signHashMode;
            secret.DoOAEPadding = DoOAEPadding;
            return secret;
        }
        public static string GenerateTripleDESHexStringKey()
        {
            TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider();
            des.GenerateKey();
            return BytesArrayToHexString(des.Key);
        }
        public static string GenerateTripleDESHexStringIV()
        {
            TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider();
            des.GenerateIV();
            return BytesArrayToHexString(des.IV);
        }
       public static byte[] SymmetricAlgorithmEncrypt
                               (
                                    SymmetricAlgorithm algorithm
                                    , byte[] data
                                )
        {
            return algorithm.CreateEncryptor().TransformFinalBlock(data, 0, data.Length);
        }
        public static byte[] SymmetricAlgorithmEncrypt
                                       (
                                            SymmetricAlgorithm algorithm
                                            , string text
                                            , Encoding e
                                        )
        {
            return SymmetricAlgorithmEncrypt
                            (
                                algorithm
                                , e.GetBytes(text)
                            );
        }
        public static byte[] SymmetricAlgorithmDecrypt
                                        (
                                            SymmetricAlgorithm algorithm
                                            , byte[] data
                                         )
        {
            return algorithm.CreateDecryptor().TransformFinalBlock(data, 0, data.Length);
        }
        public static string SymmetricAlgorithmDecrypt
                                        (
                                            SymmetricAlgorithm algorithm
                                            , byte[] data
                                            , Encoding e //原文的encoding
                                        )
        {
            return e.GetString
                        (
                            SymmetricAlgorithmDecrypt
                                                (
                                                    algorithm
                                                    , data
                                                )
                        );
        }
        public static byte[] ComputeHash
                                    (
                                        HashAlgorithm algorithm
                                        , byte[] data
                                    )
        {
            return algorithm.ComputeHash(data);
        }
        public static byte[] ComputeHash
                                    (
                                        HashAlgorithm algorithm
                                        , string text
                                        , Encoding e
                                    )
        {
            return ComputeHash(algorithm, e.GetBytes(text));
        }
        public static byte[] ComputeKeyedHash
                                    (
                                        KeyedHashAlgorithm algorithm
                                        , byte[] data
                                    )
        {
            return ComputeHash(algorithm, data);
        }
        public static byte[] ComputeKeyedHash
                                    (
                                        KeyedHashAlgorithm algorithm
                                        , string text
                                        , Encoding e
                                    )
        {
            return ComputeHash(algorithm, text, e);
        }
                public static byte[] RSASignSHA1
                                (
                                    string privateKeyXml
                                    , byte[] data
                                )
        {
            RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
            provider.FromXmlString(privateKeyXml);
            return RSASignSHA1
                        (
                            provider
                            , data
                        );
        }
        public static byte[] RSASignSHA1
                                (
                                    RSACryptoServiceProvider provider
                                    , byte[] data
                                )
        {
            HashAlgorithm hashAlgorithm = new SHA1CryptoServiceProvider();
            return provider.SignHash
                                (
                                    ComputeHash(hashAlgorithm, data)
                                    , "SHA1"
                                );
        }
        public static bool RSAVerifySHA1
                                (
                                    string publicKeyXml
                                    , byte[] data
                                    , byte[] signature
                                )
        {
            RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
            provider.FromXmlString(publicKeyXml);
            return RSAVerifySHA1
                            (
                                provider
                                , data
                                , signature
                            );
        }
        public static bool RSAVerifySHA1
                                (
                                    RSACryptoServiceProvider provider
                                    , byte[] data
                                    , byte[] signature
                                )
        {
            HashAlgorithm hashAlgorithm = new SHA1CryptoServiceProvider();
            return provider.VerifyHash
                                (
                                    ComputeHash(hashAlgorithm, data)
                                    , "SHA1"
                                    , signature
                                );
        }
        public static byte[] RSASignMD5
                                (
                                    string privateKeyXml
                                    , byte[] data
                                )
        {
            RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
            provider.FromXmlString(privateKeyXml);
            return RSASignMD5
                        (
                            provider
                            , data
                        );
        }
        public static byte[] RSASignMD5
                                (
                                    RSACryptoServiceProvider provider
                                    , byte[] data
                                )
        {
            HashAlgorithm hashAlgorithm = new MD5CryptoServiceProvider();
            return provider.SignHash
                        (
                            ComputeHash(hashAlgorithm, data)
                            , "MD5"
                        );
        }
        public static bool RSAVerifyMD5
                                (
                                    string publicKeyXml
                                    , byte[] data
                                    , byte[] signature
                                )
        {
            RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
            provider.FromXmlString(publicKeyXml);
            return RSAVerifyMD5
                            (
                                provider
                                , data
                                , signature
                            );
        }
        public static bool RSAVerifyMD5
                                (
                                    RSACryptoServiceProvider provider
                                    , byte[] data
                                    , byte[] signature
                                )
        {
            HashAlgorithm hashAlgorithm = new MD5CryptoServiceProvider();
            return provider.VerifyHash
                                (
                                    ComputeHash(hashAlgorithm, data)
                                    , "MD5"
                                    , signature
                                );
        }
        public static byte[] RSAEncrypt
                                (
                                    string publicKeyXml
                                    , byte[] data
                                    , bool DoOAEPPadding
                                )
        {
            RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
            provider.FromXmlString(publicKeyXml);
            return RSAEncrypt
                        (
                            provider
                            , data
                            , DoOAEPPadding
                        );
        }
        public static byte[] RSAEncrypt
                        (
                            RSACryptoServiceProvider provider
                            , byte[] data
                            , bool DoOAEPPadding
                        )
        {
            return provider.Encrypt(data, DoOAEPPadding);
        }
        public static byte[] RSADecrypt
                                (
                                    string privateKeyXml
                                    , byte[] data
                                    , bool DoOAEPPadding
                                )
        {
            RSACryptoServiceProvider provider = new RSACryptoServiceProvider();
            provider.FromXmlString(privateKeyXml);
            return RSADecrypt
                        (
                            provider
                            , data
                            , DoOAEPPadding
                        );
        }
        public static byte[] RSADecrypt
                                (
                                    RSACryptoServiceProvider provider
                                    , byte[] data
                                    , bool DoOAEPPadding
                                )
        {
            return provider.Decrypt(data, DoOAEPPadding);
        }
        public static byte[] X509CertificateEncrypt
                                    (
                                        X509Certificate2 publicKeyCer
                                        , byte[] data
                                        , bool DoOAEPadding
                                    )
        {
            RSACryptoServiceProvider provider = publicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
            return RSAEncrypt
                        (
                            provider
                            , data
                            , DoOAEPadding
                        );
        }
        public static byte[] X509CertificateDecrypt
                                    (
                                        X509Certificate2 privateKeyPfx
                                        , byte[] data
                                        , bool DoOAEPadding
                                    )
        {
            RSACryptoServiceProvider provider = privateKeyPfx.PrivateKey as RSACryptoServiceProvider;
            return RSADecrypt
                        (
                            provider
                            , data
                            , DoOAEPadding
                        );
        }
        public static byte[] X509CertificateSignSHA1
                                    (
                                        X509Certificate2 privateKeyPfx
                                        , byte[] data
                                    )
        {
            RSACryptoServiceProvider provider = privateKeyPfx.PrivateKey as RSACryptoServiceProvider;
            return RSASignSHA1
                        (
                            provider
                            , data
                        );
        }
        public static byte[] X509CertificateSignMD5
                                    (
                                        X509Certificate2 privateKeyPfx
                                        , byte[] data
                                    )
        {
            RSACryptoServiceProvider provider = privateKeyPfx.PrivateKey as RSACryptoServiceProvider;
            return RSASignMD5(provider, data);
        }
        public static bool X509CertificateVerifySHA1
                                    (
                                        X509Certificate2 publicKeyCer
                                        , byte[] data
                                        , byte[] signature
                                    )
        {
            RSACryptoServiceProvider provider = publicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
            return RSAVerifySHA1
                        (
                            provider
                            , data
                            , signature
                        );
        }
        public static bool X509CertificateVerifyMD5
                                    (
                                        X509Certificate2 publicKeyCer
                                        , byte[] data
                                        , byte[] signature
                                    )
        {
            RSACryptoServiceProvider provider = publicKeyCer.PublicKey.Key as RSACryptoServiceProvider;
            return RSAVerifyMD5
                        (
                            provider
                            , data
                            , signature
                        );
        }
        public static string BytesArrayToHexString(byte[] data)
        {
            return BitConverter.ToString(data).Replace("-", "");
        }
        public static byte[] HexStringToBytesArray(string text)
        {
            text = text.Replace(" ", "");
            int l = text.Length;
            byte[] buffer = new byte[l / 2];
            for (int i = 0; i < l; i += 2)
            {
                buffer[i / 2] = Convert.ToByte(text.Substring(i, 2), 16);
            }
            return buffer;
        }
    }
}

posted @ 2011-07-15 00:02  于斯人也  阅读(694)  评论(1编辑  收藏  举报