![]()
class="code_img_closed" src="/Upload/Images/2017062205/0015B68B3C38AA5B.gif" alt="">
using System;
using System.Security.Cryptography;
using System.Text;
namespace DotNet.Utilities
{
/// <summary>
/// Encrypt 的摘要说明。
/// </summary>
public class DEncrypt
{
/// <summary>
/// 构造方法
/// </summary>
public DEncrypt()
{
}
#region 使用 缺省密钥字符串 加密/解密string
/// <summary>
/// 使用缺省密钥字符串加密string
/// </summary>
/// <param name="original">明文</param>
/// <returns>密文</returns>
public static string Encrypt(string original)
{
return Encrypt(original,"MATICSOFT");
}
/// <summary>
/// 使用缺省密钥字符串解密string
/// </summary>
/// <param name="original">密文</param>
/// <returns>明文</returns>
public static string Decrypt(string original)
{
return Decrypt(original,"MATICSOFT",System.Text.Encoding.Default);
}
#endregion
#region 使用 给定密钥字符串 加密/解密string
/// <summary>
/// 使用给定密钥字符串加密string
/// </summary>
/// <param name="original">原始文字</param>
/// <param name="key">密钥</param>
/// <param name="encoding">字符编码方案</param>
/// <returns>密文</returns>
public static string Encrypt(string original, string key)
{
byte[] buff = System.Text.Encoding.Default.GetBytes(original);
byte[] kb = System.Text.Encoding.Default.GetBytes(key);
return Convert.ToBase64String(Encrypt(buff,kb));
}
/// <summary>
/// 使用给定密钥字符串解密string
/// </summary>
/// <param name="original">密文</param>
/// <param name="key">密钥</param>
/// <returns>明文</returns>
public static string Decrypt(string original, string key)
{
return Decrypt(original,key,System.Text.Encoding.Default);
}
/// <summary>
/// 使用给定密钥字符串解密string,返回指定编码方式明文
/// </summary>
/// <param name="encrypted">密文</param>
/// <param name="key">密钥</param>
/// <param name="encoding">字符编码方案</param>
/// <returns>明文</returns>
public static string Decrypt(string encrypted, string key,Encoding encoding)
{
byte[] buff = Convert.FromBase64String(encrypted);
byte[] kb = System.Text.Encoding.Default.GetBytes(key);
return encoding.GetString(Decrypt(buff,kb));
}
#endregion
#region 使用 缺省密钥字符串 加密/解密/byte[]
/// <summary>
/// 使用缺省密钥字符串解密byte[]
/// </summary>
/// <param name="encrypted">密文</param>
/// <param name="key">密钥</param>
/// <returns>明文</returns>
public static byte[] Decrypt(byte[] encrypted)
{
byte[] key = System.Text.Encoding.Default.GetBytes("MATICSOFT");
return Decrypt(encrypted,key);
}
/// <summary>
/// 使用缺省密钥字符串加密
/// </summary>
/// <param name="original">原始数据</param>
/// <param name="key">密钥</param>
/// <returns>密文</returns>
public static byte[] Encrypt(byte[] original)
{
byte[] key = System.Text.Encoding.Default.GetBytes("MATICSOFT");
return Encrypt(original,key);
}
#endregion
#region 使用 给定密钥 加密/解密/byte[]
/// <summary>
/// 生成MD5摘要
/// </summary>
/// <param name="original">数据源</param>
/// <returns>摘要</returns>
public static byte[] MakeMD5(byte[] original)
{
MD5CryptoServiceProvider hashmd5 = new MD5CryptoServiceProvider();
byte[] keyhash = hashmd5.ComputeHash(original);
hashmd5 = null;
return keyhash;
}
/// <summary>
/// 使用给定密钥加密
/// </summary>
/// <param name="original">明文</param>
/// <param name="key">密钥</param>
/// <returns>密文</returns>
public static byte[] Encrypt(byte[] original, byte[] key)
{
TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider();
des.Key = MakeMD5(key);
des.Mode = CipherMode.ECB;
return des.CreateEncryptor().TransformFinalBlock(original, 0, original.Length);
}
/// <summary>
/// 使用给定密钥解密数据
/// </summary>
/// <param name="encrypted">密文</param>
/// <param name="key">密钥</param>
/// <returns>明文</returns>
public static byte[] Decrypt(byte[] encrypted, byte[] key)
{
TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider();
des.Key = MakeMD5(key);
des.Mode = CipherMode.ECB;
return des.CreateDecryptor().TransformFinalBlock(encrypted, 0, encrypted.Length);
}
#endregion
}
}
logs_code_collapse">DEncrypt
using System;
using System.Security.Cryptography;
using System.Text;
namespace DotNet.Utilities
{
/// <summary>
/// DES加密/解密类。
/// </summary>
public class DESEncrypt
{
public DESEncrypt()
{
}
#region ========加密========
/// <summary>
/// 加密
/// </summary>
/// <param name="Text"></param>
/// <returns></returns>
public static string Encrypt(string Text)
{
return Encrypt(Text,"MATICSOFT");
}
/// <summary>
/// 加密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
public static string Encrypt(string Text,string sKey)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray;
inputByteArray=Encoding.Default.GetBytes(Text);
des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
System.IO.MemoryStream ms=new System.IO.MemoryStream();
CryptoStream cs=new CryptoStream(ms,des.CreateEncryptor(),CryptoStreamMode.Write);
cs.Write(inputByteArray,0,inputByteArray.Length);
cs.FlushFinalBlock();
StringBuilder ret=new StringBuilder();
foreach( byte b in ms.ToArray())
{
ret.AppendFormat("{0:X2}",b);
}
return ret.ToString();
}
#endregion
#region ========解密========
/// <summary>
/// 解密
/// </summary>
/// <param name="Text"></param>
/// <returns></returns>
public static string Decrypt(string Text)
{
return Decrypt(Text,"MATICSOFT");
}
/// <summary>
/// 解密数据
/// </summary>
/// <param name="Text"></param>
/// <param name="sKey"></param>
/// <returns></returns>
public static string Decrypt(string Text,string sKey)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
int len;
len=Text.Length/2;
byte[] inputByteArray = new byte[len];
int x,i;
for(x=0;x<len;x++)
{
i = Convert.ToInt32(Text.Substring(x * 2, 2), 16);
inputByteArray[x]=(byte)i;
}
des.Key = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
des.IV = ASCIIEncoding.ASCII.GetBytes(System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(sKey, "md5").Substring(0, 8));
System.IO.MemoryStream ms=new System.IO.MemoryStream();
CryptoStream cs=new CryptoStream(ms,des.CreateDecryptor(),CryptoStreamMode.Write);
cs.Write(inputByteArray,0,inputByteArray.Length);
cs.FlushFinalBlock();
return Encoding.Default.GetString(ms.ToArray());
}
#endregion
}
}
DESEncrypt
using System;
using System.Security.Cryptography;
using System.IO;
namespace DotNet.Utilities
{
/// <summary>
/// 加密解密实用类。
/// </summary>
public class Encrypt
{
//密钥
private static byte[] arrDESKey = new byte[] {42, 16, 93, 156, 78, 4, 218, 32};
private static byte[] arrDESIV = new byte[] {55, 103, 246, 79, 36, 99, 167, 3};
/// <summary>
/// 加密。
/// </summary>
/// <param name="m_Need_Encode_String"></param>
/// <returns></returns>
public static string Encode(string m_Need_Encode_String)
{
if (m_Need_Encode_String == null)
{
throw new Exception("Error: \n源字符串为空！！");
}
DESCryptoServiceProvider objDES = new DESCryptoServiceProvider();
MemoryStream objMemoryStream = new MemoryStream();
CryptoStream objCryptoStream = new CryptoStream(objMemoryStream,objDES.CreateEncryptor(arrDESKey,arrDESIV),CryptoStreamMode.Write);
StreamWriter objStreamWriter = new StreamWriter(objCryptoStream);
objStreamWriter.Write(m_Need_Encode_String);
objStreamWriter.Flush();
objCryptoStream.FlushFinalBlock();
objMemoryStream.Flush();
return Convert.ToBase64String(objMemoryStream.GetBuffer(), 0, (int)objMemoryStream.Length);
}
/// <summary>
/// 解密。
/// </summary>
/// <param name="m_Need_Encode_String"></param>
/// <returns></returns>
public static string Decode(string m_Need_Encode_String)
{
if (m_Need_Encode_String == null)
{
throw new Exception("Error: \n源字符串为空！！");
}
DESCryptoServiceProvider objDES = new DESCryptoServiceProvider();
byte[] arrInput = Convert.FromBase64String(m_Need_Encode_String);
MemoryStream objMemoryStream = new MemoryStream(arrInput);
CryptoStream objCryptoStream = new CryptoStream(objMemoryStream,objDES.CreateDecryptor(arrDESKey,arrDESIV),CryptoStreamMode.Read);
StreamReader objStreamReader = new StreamReader(objCryptoStream);
return objStreamReader.ReadToEnd();
}
/// <summary>
/// md5
/// </summary>
/// <param name="encypStr"></param>
/// <returns></returns>
public static string Md5(string encypStr)
{
string retStr;
MD5CryptoServiceProvider m5 = new MD5CryptoServiceProvider();
byte[] inputBye;
byte[] outputBye;
inputBye = System.Text.Encoding.ASCII.GetBytes(encypStr);
outputBye = m5.ComputeHash(inputBye);
retStr = Convert.ToBase64String(outputBye);
return (retStr);
}
}
}
Encrypt
using System;
using System.Text;
using System.Security.Cryptography;
namespace DotNet.Utilities
{
/// <summary>
/// 得到随机安全码（哈希加密）。
/// </summary>
public class HashEncode
{
public HashEncode()
{
//
// TODO: 在此处添加构造函数逻辑
//
}
/// <summary>
/// 得到随机哈希加密字符串
/// </summary>
/// <returns></returns>
public static string GetSecurity()
{
string Security = HashEncoding(GetRandomValue());
return Security;
}
/// <summary>
/// 得到一个随机数值
/// </summary>
/// <returns></returns>
public static string GetRandomValue()
{
Random Seed = new Random();
string RandomVaule = Seed.Next(1, int.MaxValue).ToString();
return RandomVaule;
}
/// <summary>
/// 哈希加密一个字符串
/// </summary>
/// <param name="Security"></param>
/// <returns></returns>
public static string HashEncoding(string Security)
{
byte[] Value;
UnicodeEncoding Code = new UnicodeEncoding();
byte[] Message = Code.GetBytes(Security);
SHA512Managed Arithmetic = new SHA512Managed();
Value = Arithmetic.ComputeHash(Message);
Security = "";
foreach(byte o in Value)
{
Security += (int) o + "O";
}
return Security;
}
}
}
HashEncode
using System;
using System.Text;
using System.Security.Cryptography;
using System.IO;
using System.Text.RegularExpressions;
using System.Collections;
namespace DotNet.Utilities
{
/// <summary>
/// MySecurity(安全类) 的摘要说明。
/// </summary>
public class MySecurity
{
/// <summary>
/// 初始化安全类
/// </summary>
public MySecurity()
{
///默认密码
key = "0123456789";
}
private string key; //默认密钥
private byte[] sKey;
private byte[] sIV;
#region 加密字符串
/// <summary>
/// 加密字符串
/// </summary>
/// <param name="inputStr">输入字符串</param>
/// <param name="keyStr">密码，可以为“”</param>
/// <returns>输出加密后字符串</returns>
static public string SEncryptString(string inputStr, string keyStr)
{
MySecurity ws = new MySecurity();
return ws.EncryptString(inputStr, keyStr);
}
/// <summary>
/// 加密字符串
/// </summary>
/// <param name="inputStr">输入字符串</param>
/// <param name="keyStr">密码，可以为“”</param>
/// <returns>输出加密后字符串</returns>
public string EncryptString(string inputStr, string keyStr)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
if (keyStr == "")
keyStr = key;
byte[] inputByteArray = Encoding.Default.GetBytes(inputStr);
byte[] keyByteArray = Encoding.Default.GetBytes(keyStr);
SHA1 ha = new SHA1Managed();
byte[] hb = ha.ComputeHash(keyByteArray);
sKey = new byte[8];
sIV = new byte[8];
for (int i = 0; i < 8; i++)
sKey[i] = hb[i];
for (int i = 8; i < 16; i++)
sIV[i - 8] = hb[i];
des.Key = sKey;
des.IV = sIV;
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
StringBuilder ret = new StringBuilder();
foreach (byte b in ms.ToArray())
{
ret.AppendFormat("{0:X2}", b);
}
cs.Close();
ms.Close();
return ret.ToString();
}
#endregion
#region 加密字符串 密钥为系统默认 0123456789
/// <summary>
/// 加密字符串 密钥为系统默认
/// </summary>
/// <param name="inputStr">输入字符串</param>
/// <returns>输出加密后字符串</returns>
static public string SEncryptString(string inputStr)
{
MySecurity ws = new MySecurity();
return ws.EncryptString(inputStr, "");
}
#endregion
#region 加密文件
/// <summary>
/// 加密文件
/// </summary>
/// <param name="filePath">输入文件路径</param>
/// <param name="savePath">加密后输出文件路径</param>
/// <param name="keyStr">密码，可以为“”</param>
/// <returns></returns>
public bool EncryptFile(string filePath, string savePath, string keyStr)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
if (keyStr == "")
keyStr = key;
FileStream fs = File.OpenRead(filePath);
byte[] inputByteArray = new byte[fs.Length];
fs.Read(inputByteArray, 0, (int)fs.Length);
fs.Close();
byte[] keyByteArray = Encoding.Default.GetBytes(keyStr);
SHA1 ha = new SHA1Managed();
byte[] hb = ha.ComputeHash(keyByteArray);
sKey = new byte[8];
sIV = new byte[8];
for (int i = 0; i < 8; i++)
sKey[i] = hb[i];
for (int i = 8; i < 16; i++)
sIV[i - 8] = hb[i];
des.Key = sKey;
des.IV = sIV;
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
fs = File.OpenWrite(savePath);
foreach (byte b in ms.ToArray())
{
fs.WriteByte(b);
}
fs.Close();
cs.Close();
ms.Close();
return true;
}
#endregion
#region 解密字符串
/// <summary>
/// 解密字符串
/// </summary>
/// <param name="inputStr">要解密的字符串</param>
/// <param name="keyStr">密钥</param>
/// <returns>解密后的结果</returns>
static public string SDecryptString(string inputStr, string keyStr)
{
MySecurity ws = new MySecurity();
return ws.DecryptString(inputStr, keyStr);
}
/// <summary>
/// 解密字符串 密钥为系统默认
/// </summary>
/// <param name="inputStr">要解密的字符串</param>
/// <returns>解密后的结果</returns>
static public string SDecryptString(string inputStr)
{
MySecurity ws = new MySecurity();
return ws.DecryptString(inputStr, "");
}
/// <summary>
/// 解密字符串
/// </summary>
/// <param name="inputStr">要解密的字符串</param>
/// <param name="keyStr">密钥</param>
/// <returns>解密后的结果</returns>
public string DecryptString(string inputStr, string keyStr)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
if (keyStr == "")
keyStr = key;
byte[] inputByteArray = new byte[inputStr.Length / 2];
for (int x = 0; x < inputStr.Length / 2; x++)
{
int i = (Convert.ToInt32(inputStr.Substring(x * 2, 2), 16));
inputByteArray[x] = (byte)i;
}
byte[] keyByteArray = Encoding.Default.GetBytes(keyStr);
SHA1 ha = new SHA1Managed();
byte[] hb = ha.ComputeHash(keyByteArray);
sKey = new byte[8];
sIV = new byte[8];
for (int i = 0; i < 8; i++)
sKey[i] = hb[i];
for (int i = 8; i < 16; i++)
sIV[i - 8] = hb[i];
des.Key = sKey;
des.IV = sIV;
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
StringBuilder ret = new StringBuilder();
return System.Text.Encoding.Default.GetString(ms.ToArray());
}
#endregion
#region 解密文件
/// <summary>
/// 解密文件
/// </summary>
/// <param name="filePath">输入文件路径</param>
/// <param name="savePath">解密后输出文件路径</param>
/// <param name="keyStr">密码，可以为“”</param>
/// <returns></returns>
public bool DecryptFile(string filePath, string savePath, string keyStr)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
if (keyStr == "")
keyStr = key;
FileStream fs = File.OpenRead(filePath);
byte[] inputByteArray = new byte[fs.Length];
fs.Read(inputByteArray, 0, (int)fs.Length);
fs.Close();
byte[] keyByteArray = Encoding.Default.GetBytes(keyStr);
SHA1 ha = new SHA1Managed();
byte[] hb = ha.ComputeHash(keyByteArray);
sKey = new byte[8];
sIV = new byte[8];
for (int i = 0; i < 8; i++)
sKey[i] = hb[i];
for (int i = 8; i < 16; i++)
sIV[i - 8] = hb[i];
des.Key = sKey;
des.IV = sIV;
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
fs = File.OpenWrite(savePath);
foreach (byte b in ms.ToArray())
{
fs.WriteByte(b);
}
fs.Close();
cs.Close();
ms.Close();
return true;
}
#endregion
#region MD5加密
/// <summary>
/// 128位MD5算法加密字符串
/// </summary>
/// <param name="text">要加密的字符串</param>
public static string MD5(string text)
{
//如果字符串为空，则返回
if (Tools.IsNullOrEmpty<string>(text))
{
return "";
}
//返回MD5值的字符串表示
return MD5(text);
}
/// <summary>
/// 128位MD5算法加密Byte数组
/// </summary>
/// <param name="data">要加密的Byte数组</param>
public static string MD5(byte[] data)
{
//如果Byte数组为空，则返回
if (Tools.IsNullOrEmpty<byte[]>(data))
{
return "";
}
try
{
//创建MD5密码服务提供程序
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
//计算传入的字节数组的哈希值
byte[] result = md5.ComputeHash(data);
//释放资源
md5.Clear();
//返回MD5值的字符串表示
return Convert.ToBase64String(result);
}
catch
{
//LogHelper.WriteTraceLog(TraceLogLevel.Error, ex.Message);
return "";
}
}
#endregion
#region Base64加密
/// <summary>
/// Base64加密
/// </summary>
/// <param name="text">要加密的字符串</param>
/// <returns></returns>
public static string EncodeBase64(string text)
{
//如果字符串为空，则返回
if (Tools.IsNullOrEmpty<string>(text))
{
return "";
}
try
{
char[] Base64Code = new char[]{'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T',
'U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n',
'o','p','q','r','s','t','u','v','w','x','y','z','0','1','2','3','4','5','6','7',
'8','9','+','/','='};
byte empty = (byte)0;
ArrayList byteMessage = new ArrayList(Encoding.Default.GetBytes(text));
StringBuilder outmessage;
int messageLen = byteMessage.Count;
int page = messageLen / 3;
int use = 0;
if ((use = messageLen % 3) > 0)
{
for (int i = 0; i < 3 - use; i++)
byteMessage.Add(empty);
page++;
}
outmessage = new System.Text.StringBuilder(page * 4);
for (int i = 0; i < page; i++)
{
byte[] instr = new byte[3];
instr[0] = (byte)byteMessage[i * 3];
instr[1] = (byte)byteMessage[i * 3 + 1];
instr[2] = (byte)byteMessage[i * 3 + 2];
int[] outstr = new int[4];
outstr[0] = instr[0] >> 2;
outstr[1] = ((instr[0] & 0x03) << 4) ^ (instr[1] >> 4);
if (!instr[1].Equals(empty))
outstr[2] = ((instr[1] & 0x0f) << 2) ^ (instr[2] >> 6);
else
outstr[2] = 64;
if (!instr[2].Equals(empty))
outstr[3] = (instr[2] & 0x3f);
else
outstr[3] = 64;
outmessage.Append(Base64Code[outstr[0]]);
outmessage.Append(Base64Code[outstr[1]]);
outmessage.Append(Base64Code[outstr[2]]);
outmessage.Append(Base64Code[outstr[3]]);
}
return outmessage.ToString();
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region Base64解密
/// <summary>
/// Base64解密
/// </summary>
/// <param name="text">要解密的字符串</param>
public static string DecodeBase64(string text)
{
//如果字符串为空，则返回
if (Tools.IsNullOrEmpty<string>(text))
{
return "";
}
//将空格替换为加号
text = text.Replace(" ", "+");
try
{
if ((text.Length % 4) != 0)
{
return "包含不正确的BASE64编码";
}
if (!Regex.IsMatch(text, "^[A-Z0-9/+=]*$", RegexOptions.IgnoreCase))
{
return "包含不正确的BASE64编码";
}
string Base64Code = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
int page = text.Length / 4;
ArrayList outMessage = new ArrayList(page * 3);
char[] message = text.ToCharArray();
for (int i = 0; i < page; i++)
{
byte[] instr = new byte[4];
instr[0] = (byte)Base64Code.IndexOf(message[i * 4]);
instr[1] = (byte)Base64Code.IndexOf(message[i * 4 + 1]);
instr[2] = (byte)Base64Code.IndexOf(message[i * 4 + 2]);
instr[3] = (byte)Base64Code.IndexOf(message[i * 4 + 3]);
byte[] outstr = new byte[3];
outstr[0] = (byte)((instr[0] << 2) ^ ((instr[1] & 0x30) >> 4));
if (instr[2] != 64)
{
outstr[1] = (byte)((instr[1] << 4) ^ ((instr[2] & 0x3c) >> 2));
}
else
{
outstr[2] = 0;
}
if (instr[3] != 64)
{
outstr[2] = (byte)((instr[2] << 6) ^ instr[3]);
}
else
{
outstr[2] = 0;
}
outMessage.Add(outstr[0]);
if (outstr[1] != 0)
outMessage.Add(outstr[1]);
if (outstr[2] != 0)
outMessage.Add(outstr[2]);
}
byte[] outbyte = (byte[])outMessage.ToArray(Type.GetType("System.Byte"));
return Encoding.Default.GetString(outbyte);
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
}
}
MySecurity
using System;
using System.Text;
using System.Security.Cryptography;
namespace DotNet.Utilities
{
/// <summary>
/// RSA加密解密及RSA签名和验证
/// </summary>
public class RSACryption
{
public RSACryption()
{
}
#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 void RSAKey(out string xmlKeys,out string xmlPublicKey)
{
System.Security.Cryptography.RSACryptoServiceProvider rsa=new RSACryptoServiceProvider();
xmlKeys=rsa.ToXmlString(true);
xmlPublicKey = rsa.ToXmlString(false);
}
#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 RSAEncrypt(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 RSAEncrypt(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 RSADecrypt(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 RSADecrypt(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
}
}
RASCryption
相关文章
