using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using Aop.Api.Util;
namespace PoEB.Common
{
/// <summary>
/// 密码加密解密操作相关类
/// </summary>
public static class PassWordHelper
{
#region MD5 加密
/// <summary>
/// MD5加密
/// </summary>
public static string Md532(this string source)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
MD5 md5 = MD5.Create();
return HashAlgorithmBase(md5, source, encoding);
}
/// <summary>
/// 加盐MD5加密
/// </summary>
public static string Md532Salt(this string source, string salt)
{
return string.IsNullOrEmpty(source) ? source.Md532() : (source + "『" + salt + "』").Md532();
}
#endregion
#region SHA 加密
/// <summary>
/// SHA1 加密
/// </summary>
public static string Sha1(this string source)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
SHA1 sha1 = new SHA1CryptoServiceProvider();
return HashAlgorithmBase(sha1, source, encoding);
}
/// <summary>
/// SHA256 加密
/// </summary>
public static string Sha256(this string source)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
SHA256 sha256 = new SHA256Managed();
return HashAlgorithmBase(sha256, source, encoding);
}
/// <summary>
/// SHA512 加密
/// </summary>
public static string Sha512(this string source)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
SHA512 sha512 = new SHA512Managed();
return HashAlgorithmBase(sha512, source, encoding);
}
#endregion
#region HMAC 加密
/// <summary>
/// HmacSha1 加密
/// </summary>
public static string HmacSha1(this string source, string keyVal)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
byte[] keyStr = encoding.GetBytes(keyVal);
HMACSHA1 hmacSha1 = new HMACSHA1(keyStr);
return HashAlgorithmBase(hmacSha1, source, encoding);
}
/// <summary>
/// HmacSha256 加密
/// </summary>
public static string HmacSha256(this string source, string keyVal)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
byte[] keyStr = encoding.GetBytes(keyVal);
HMACSHA256 hmacSha256 = new HMACSHA256(keyStr);
return HashAlgorithmBase(hmacSha256, source, encoding);
}
/// <summary>
/// HmacSha384 加密
/// </summary>
public static string HmacSha384(this string source, string keyVal)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
byte[] keyStr = encoding.GetBytes(keyVal);
HMACSHA384 hmacSha384 = new HMACSHA384(keyStr);
return HashAlgorithmBase(hmacSha384, source, encoding);
}
/// <summary>
/// HmacSha512 加密
/// </summary>
public static string HmacSha512(this string source, string keyVal)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
byte[] keyStr = encoding.GetBytes(keyVal);
HMACSHA512 hmacSha512 = new HMACSHA512(keyStr);
return HashAlgorithmBase(hmacSha512, source, encoding);
}
/// <summary>
/// HmacMd5 加密
/// </summary>
public static string HmacMd5(this string source, string keyVal)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
byte[] keyStr = encoding.GetBytes(keyVal);
HMACMD5 hmacMd5 = new HMACMD5(keyStr);
return HashAlgorithmBase(hmacMd5, source, encoding);
}
/// <summary>
/// HmacRipeMd160 加密
/// </summary>
public static string HmacRipeMd160(this string source, string keyVal)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
byte[] keyStr = encoding.GetBytes(keyVal);
HMACRIPEMD160 hmacRipeMd160 = new HMACRIPEMD160(keyStr);
return HashAlgorithmBase(hmacRipeMd160, source, encoding);
}
#endregion
#region Hmac+ Md5加密
public static string GetMmacSha1Md5(this string source, string keyVal)
{
if (string.IsNullOrEmpty(source)) return null;
var encoding = Encoding.UTF8;
byte[] keyStr = encoding.GetBytes(keyVal);
HMACSHA1 hmacSha1 = new HMACSHA1(keyStr);
byte[] btStr = encoding.GetBytes(source);
byte[] hashStr = hmacSha1.ComputeHash(btStr);
using (MD5 md5 = MD5.Create())
{
byte[] bytes = md5.ComputeHash(hashStr);
StringBuilder sb = new StringBuilder();
foreach (var i in bytes)
{
sb.Append(i.ToString("x2"));
}
return sb.ToString().ToUpper();
}
}
#endregion
#region AES 加密解密
/// <summary>
/// 将指定的16进制字符串转换为byte数组
/// </summary>
/// <param name="s">16进制字符串(如:“7F 2C 4A”或“7F2C4A”都可以)</param>
/// <returns>16进制字符串对应的byte数组</returns>
public static byte[] HexStringToByteArray(string s)
{
s = s.Replace(" ", "");
byte[] buffer = new byte[s.Length / 2];
for (int i = 0; i < s.Length; i += 2)
buffer[i / 2] = (byte)Convert.ToByte(s.Substring(i, 2), 16);
return buffer;
}
/// <summary>
/// 将一个byte数组转换成一个格式化的16进制字符串
/// </summary>
/// <param name="data">byte数组</param>
/// <returns>格式化的16进制字符串</returns>
public static string ByteArrayToHexString(byte[] data)
{
StringBuilder sb = new StringBuilder(data.Length * 3);
foreach (byte b in data)
{
//16进制数字
sb.Append(Convert.ToString(b, 16).PadLeft(2, '0'));
//16进制数字之间以空格隔开
//sb.Append(Convert.ToString(b, 16).PadLeft(2, '0').PadRight(3, ' '));
}
return sb.ToString().ToUpper();
}
/// <summary>
/// AES加密
/// </summary>
/// <param name="source">待加密字段</param>
/// <param name="keyVal">密钥值</param>
/// <param name="ivVal">加密辅助向量</param>
/// <returns></returns>
public static string AesStr(this string source, string keyVal, string ivVal)
{
byte[] btKey = Encoding.Default.GetBytes(keyVal);
byte[] btIv = Encoding.Default.GetBytes(ivVal);
string encrypt;
using (AesCryptoServiceProvider aesAlg = new AesCryptoServiceProvider())
{
aesAlg.IV = btIv;
aesAlg.Key = btKey;
ICryptoTransform encryptor = aesAlg.CreateEncryptor(aesAlg.Key, aesAlg.IV);
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(source);
}
byte[] bytes = msEncrypt.ToArray();
//encrypt = Convert.ToBase64String(bytes);
encrypt = ByteArrayToHexString(bytes);
}
}
aesAlg.Clear();
}
return encrypt;
}
/// <summary>
/// AES解密
/// </summary>
/// <param name="source">待加密字段</param>
/// <param name="keyVal">密钥值</param>
/// <param name="ivVal">加密辅助向量</param>
/// <returns></returns>
public static string UnAesStr(this string source, string keyVal, string ivVal)
{
byte[] btKey = Encoding.Default.GetBytes(keyVal);
byte[] btIv = Encoding.Default.GetBytes(ivVal);
byte[] byteArray = HexStringToByteArray(source);
string decrypt;
using (AesCryptoServiceProvider aesAlg = new AesCryptoServiceProvider())
{
aesAlg.IV = btIv;
aesAlg.Key = btKey;
ICryptoTransform decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);
//using (MemoryStream msEncrypt = new MemoryStream())
//{
// using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
// {
// csEncrypt.Write(byteArray, 0, byteArray.Length);
// csEncrypt.FlushFinalBlock();
// decrypt = Encoding.Default.GetString(msEncrypt.ToArray());
// }
//}
using (MemoryStream msEncrypt = new MemoryStream(byteArray))
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, decryptor, CryptoStreamMode.Read))
{
using (StreamReader srEncrypt = new StreamReader(csEncrypt))
{
decrypt = srEncrypt.ReadToEnd();
}
}
}
aesAlg.Clear();
}
return decrypt;
//Rijndael aes = Rijndael.Create();
//aes.Mode = CipherMode.CBC;
//aes.Padding = PaddingMode.PKCS7;
//aes.IV = btIv;
//aes.Key = btKey;
//using (MemoryStream mStream = new MemoryStream())
//{
// using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateDecryptor(), CryptoStreamMode.Write))
// {
// cStream.Write(byteArray, 0, byteArray.Length);
// cStream.FlushFinalBlock();
// decrypt = encoding.GetString(mStream.ToArray());
// }
//}
//aes.Clear();
//return decrypt;
}
/// <summary>
/// AES Byte类型 加密
/// </summary>
/// <param name="data">待加密明文</param>
/// <param name="keyVal">密钥值</param>
/// <param name="ivVal">加密辅助向量</param>
/// <returns></returns>
public static byte[] AesByte(this byte[] data, string keyVal, string ivVal)
{
byte[] bKey = new byte[32];
Array.Copy(Encoding.UTF8.GetBytes(keyVal.PadRight(bKey.Length)), bKey, bKey.Length);
byte[] bVector = new byte[16];
Array.Copy(Encoding.UTF8.GetBytes(ivVal.PadRight(bVector.Length)), bVector, bVector.Length);
byte[] cryptograph;
Rijndael aes = Rijndael.Create();
try
{
using (MemoryStream mStream = new MemoryStream())
{
using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateEncryptor(bKey, bVector), CryptoStreamMode.Write))
{
cStream.Write(data, 0, data.Length);
cStream.FlushFinalBlock();
cryptograph = mStream.ToArray();
}
}
}
catch
{
cryptograph = null;
}
return cryptograph;
}
/// <summary>
/// AES Byte类型 解密
/// </summary>
/// <param name="data">待解密明文</param>
/// <param name="keyVal">密钥值</param>
/// <param name="ivVal">加密辅助向量</param>
/// <returns></returns>
public static byte[] UnAesByte(this byte[] data, string keyVal, string ivVal)
{
byte[] bKey = new byte[32];
Array.Copy(Encoding.UTF8.GetBytes(keyVal.PadRight(bKey.Length)), bKey, bKey.Length);
byte[] bVector = new byte[16];
Array.Copy(Encoding.UTF8.GetBytes(ivVal.PadRight(bVector.Length)), bVector, bVector.Length);
byte[] original;
Rijndael aes = Rijndael.Create();
try
{
using (MemoryStream mStream = new MemoryStream(data))
{
using (CryptoStream cStream = new CryptoStream(mStream, aes.CreateDecryptor(bKey, bVector), CryptoStreamMode.Read))
{
using (MemoryStream originalMemory = new MemoryStream())
{
byte[] buffer = new byte[1024];
int readBytes;
while ((readBytes = cStream.Read(buffer, 0, buffer.Length)) > 0)
{
originalMemory.Write(buffer, 0, readBytes);
}
original = originalMemory.ToArray();
}
}
}
}
catch
{
original = null;
}
return original;
}
#endregion
#region RSA 加密解密
//#region RSA 的密钥产生
///// <summary>
///// RSA产生密钥
///// </summary>
///// <param name="xmlKeys">私钥</param>
///// <param name="xmlPublicKey">公钥</param>
//public static void RSAKey(out string xmlKeys, out string xmlPublicKey)
//{
// try
// {
// System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
// xmlKeys = rsa.ToXmlString(true);
// xmlPublicKey = rsa.ToXmlString(false);
// }
// catch (Exception ex)
// {
// throw ex;
// }
//}
//#endregion
//密钥对,请配合密钥生成工具使用『 http://download.csdn.net/detail/downiis6/9464639 』
//private const string PublicRsaKey = @"<RSAKeyValue><Modulus>MIIBCgKCAQEAthsYxGzDf1H3ABv7pvv7w/Oosz777AoYOo4j//DSaIj+Vpicrp5YW9REbmv6wCd5/cI1ULqKFlo0WwNoT8bLqnmej7pno78PsPfpXbiyxUllKdYUXzXLHjqU2c8BAvKF2Iv/4dihIIGQIZgaesPSeXfmOPQhvnlwsyfc+7p1vdKc1sRZLnqo2+TNr8V6+7CD7/DSScCWwXbmJ2l3H/3OXcmz/VPMfz4cnsNbYTtHn6FZ8JjxCq0KLlylEtyKNCnqQOYeRb1bZasj6a8/A5PYBIg8VtRM6PVlfrleVFNNZaGKreBPphsPSu0YPt/Kqc/a9AH1LoXYOduHE6C2fFPhjQIDAQAB</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>";
// /// <summary>
// /// RSA 加密
// /// </summary>
// public static string Rsa(this string source)
// {
// RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
// rsa.FromXmlString(PublicRsaKey);//加载公钥
// var cipherbytes = rsa.Encrypt(Encoding.GetEncoding("GB2312").GetBytes(source), true);//rsa加密
// return Convert.ToBase64String(cipherbytes);//base64加密
// }
// private const string PrivateRsaKey = @"<RSAKeyValue>
// <Modulus>8Yvf/LjXRhCuOREk2CuSYvbD/RadwJ4sjHREIpQVKwkTlG3BtRgpnaMcoeLAesmwvpBWnqK4hBkYLxhRj+NEKnlGrJ+LkNMnZr0/4CMuulZFAnx7iQYaSq7Eh7kBKGLofc05CjZguYpnPNxHIv4VNx+a9tIh+hnhjrmkJLUm3l0=</Modulus>
// <Exponent>AQAB</Exponent>
// <P>/xAaa/4dtDxcEAk5koSZBPjuxqvKJikpwLA1nCm3xxAUMDVxSwQyr+SHFaCnBN9kqaNkQCY6kDCfJXFWPOj0Bw==</P>
// <Q>8m8PFVA4sO0oEKMVQxt+ivDTHFuk/W154UL3IgC9Y6bzlvYewXZSzZHmxZXXM1lFtwoYG/k+focXBITsiJepew==</Q>
// <DP>ONVSvdt6rO2CKgSUMoSfQA9jzRr8STKE3i2lVG2rSIzZosBVxTxjOvQ18WjBroFEgdQpg23BQN3EqGgvqhTSQw==</DP>
// <DQ>gfp7SsEM9AbioTDemHEoQlPly+FyrxE/9D8UAt4ErGX5WamxSaYntOGRqcOxcm1djEpULMNP90R0Wc7uhjlR+w==</DQ>
// <InverseQ>C0eBsp2iMOxWwKo+EzkHOP0H+YOitUVgjekGXmSt9a3TvikQNaJ5ATlqKsZaMGsnB6UIHei+kUaCusVX0HgQ2A==</InverseQ>
// <D>tPYxEfo9Nb3LeO+SJe3G1yO+w37NIwCdqYB1h15f2YUMSThNVmpKy1HnYpUp1RQDuVETw/duu3C9gJL8kAsZBjBrVZ0zC/JZsgvSNprfUK3Asc4FgFsGfQGKW1nvvgdMbvqr4ClB0R8czkki+f9Oc5ea/RMqXxlI+XjzMYDEknU=</D>
//</RSAKeyValue>";
// /// <summary>
// /// RSA解密
// /// </summary>
// public static string UnRsa(this string source)
// {
// RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
// rsa.FromXmlString(PrivateRsaKey);
// var cipherbytes = rsa.Decrypt(Convert.FromBase64String(source), true);
// return Encoding.UTF8.GetString(cipherbytes);
// }
#region RSA 加密解密
#region RSA 的密钥产生
/// <summary>
/// RSA产生密钥
/// </summary>
/// <param name="xmlKeys">私钥</param>
/// <param name="xmlPublicKey">公钥</param>
public static void RSAKey(out string xmlKeys, out string xmlPublicKey)
{
try
{
System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
xmlKeys = rsa.ToXmlString(true);
xmlPublicKey = rsa.ToXmlString(false);
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region RSA加密函数
//##############################################################################
//RSA 方式加密
//KEY必须是XML的形式,返回的是字符串
//该加密方式有长度限制的!
//##############################################################################
///// <summary>
///// RSA的加密函数
///// </summary>
///// <param name="xmlPublicKey">公钥</param>
///// <param name="encryptString">待加密的字符串</param>
///// <returns></returns>
//public static string RSAEncrypt(this string encryptString, string xmlPublicKey)
//{
// try
// {
// byte[] PlainTextBArray;
// byte[] CypherTextBArray;
// string Result;
// System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
// rsa.FromXmlString(xmlPublicKey);
// PlainTextBArray = (new UnicodeEncoding()).GetBytes(encryptString);
// CypherTextBArray = rsa.Encrypt(PlainTextBArray, false);
// Result = Convert.ToBase64String(CypherTextBArray);
// return Result;
// }
// catch (Exception ex)
// {
// throw ex;
// }
//}
/** 默认编码字符集 */
private static string DEFAULT_CHARSET = "UTF-8";
public static string RSAEncrypt(this string content, string publicKeyPem, string charset, bool keyFromFile)
{
string sPublicKeyPEM;
if (keyFromFile)
{
sPublicKeyPEM = File.ReadAllText(publicKeyPem);
}
else
{
sPublicKeyPEM = "-----BEGIN PUBLIC KEY-----\r\n";
sPublicKeyPEM += publicKeyPem;
sPublicKeyPEM += "-----END PUBLIC KEY-----\r\n\r\n";
}
RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.PersistKeyInCsp = false;
RSACryptoServiceProviderExtension.LoadPublicKeyPEM(rsa, sPublicKeyPEM);
if (string.IsNullOrEmpty(charset))
{
charset = DEFAULT_CHARSET;
}
byte[] data = Encoding.GetEncoding(charset).GetBytes(content);
int maxBlockSize = rsa.KeySize / 8 - 11; //加密块最大长度限制
if (data.Length <= maxBlockSize)
{
byte[] cipherbytes = rsa.Encrypt(data, true);
return Convert.ToBase64String(cipherbytes);
}
MemoryStream plaiStream = new MemoryStream(data);
MemoryStream crypStream = new MemoryStream();
Byte[] buffer = new Byte[maxBlockSize];
int blockSize = plaiStream.Read(buffer, 0, maxBlockSize);
while (blockSize > 0)
{
Byte[] toEncrypt = new Byte[blockSize];
Array.Copy(buffer, 0, toEncrypt, 0, blockSize);
Byte[] cryptograph = rsa.Encrypt(toEncrypt, false);
crypStream.Write(cryptograph, 0, cryptograph.Length);
blockSize = plaiStream.Read(buffer, 0, maxBlockSize);
}
return Convert.ToBase64String(crypStream.ToArray(), Base64FormattingOptions.None);
}
/// <summary>
/// RSA的加密函数
/// </summary>
/// <param name="xmlPublicKey">公钥</param>
/// <param name="EncryptString">待加密的字节数组</param>
/// <returns></returns>
public static string RSAEncrypt(this byte[] EncryptString, string xmlPublicKey)
{
try
{
byte[] CypherTextBArray;
string Result;
System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(xmlPublicKey);
CypherTextBArray = rsa.Encrypt(EncryptString, false);
Result = Convert.ToBase64String(CypherTextBArray);
return Result;
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region RSA的解密函数
/// <summary>
/// RSA的解密函数
/// </summary>
/// <param name="xmlPrivateKey">私钥</param>
/// <param name="decryptString">待解密的字符串</param>
/// <returns></returns>
public static string RSADecrypt(this string decryptString, string xmlPrivateKey)
{
try
{
byte[] PlainTextBArray;
byte[] DypherTextBArray;
string Result;
System.Security.Cryptography.RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
rsa.FromXmlString(xmlPrivateKey);
PlainTextBArray = Convert.FromBase64String(decryptString);
DypherTextBArray = rsa.Decrypt(PlainTextBArray, false);
Result = (new UnicodeEncoding()).GetString(DypherTextBArray);
return Result;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA的解密函数
/// </summary>
/// <param name="xmlPrivateKey">私钥</param>
/// <param name="DecryptString">待解密的字节数组</param>
/// <returns></returns>
public static string RSADecrypt(this byte[] DecryptString, string xmlPrivateKey)
{
try
{
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;
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#endregion
#region RSA数字签名
#region 获取Hash描述表
/// <summary>
/// 获取Hash描述表
/// </summary>
/// <param name="strSource">待签名的字符串</param>
/// <param name="HashData">Hash描述</param>
/// <returns></returns>
public static bool GetHash(string strSource, ref byte[] HashData)
{
try
{
byte[] Buffer;
System.Security.Cryptography.HashAlgorithm MD5 = System.Security.Cryptography.HashAlgorithm.Create("MD5");
Buffer = System.Text.Encoding.GetEncoding("GB2312").GetBytes(strSource);
HashData = MD5.ComputeHash(Buffer);
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 获取Hash描述表
/// </summary>
/// <param name="strSource">待签名的字符串</param>
/// <param name="strHashData">Hash描述</param>
/// <returns></returns>
public static bool GetHash(string strSource, ref string strHashData)
{
try
{
//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(strSource);
HashData = MD5.ComputeHash(Buffer);
strHashData = Convert.ToBase64String(HashData);
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 获取Hash描述表
/// </summary>
/// <param name="objFile">待签名的文件</param>
/// <param name="HashData">Hash描述</param>
/// <returns></returns>
public static bool GetHash(System.IO.FileStream objFile, ref byte[] HashData)
{
try
{
//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;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 获取Hash描述表
/// </summary>
/// <param name="objFile">待签名的文件</param>
/// <param name="strHashData">Hash描述</param>
/// <returns></returns>
public static bool GetHash(System.IO.FileStream objFile, ref string strHashData)
{
try
{
//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;
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region RSA签名
/// <summary>
/// RSA签名
/// </summary>
/// <param name="strKeyPrivate">私钥</param>
/// <param name="HashbyteSignature">待签名Hash描述</param>
/// <param name="EncryptedSignatureData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureFormatter(string strKeyPrivate, byte[] HashbyteSignature, ref byte[] EncryptedSignatureData)
{
try
{
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名
/// </summary>
/// <param name="strKeyPrivate">私钥</param>
/// <param name="HashbyteSignature">待签名Hash描述</param>
/// <param name="m_strEncryptedSignatureData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureFormatter(string strKeyPrivate, byte[] HashbyteSignature, ref string strEncryptedSignatureData)
{
try
{
byte[] EncryptedSignatureData;
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
strEncryptedSignatureData = Convert.ToBase64String(EncryptedSignatureData);
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名
/// </summary>
/// <param name="strKeyPrivate">私钥</param>
/// <param name="strHashbyteSignature">待签名Hash描述</param>
/// <param name="EncryptedSignatureData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureFormatter(string strKeyPrivate, string strHashbyteSignature, ref byte[] EncryptedSignatureData)
{
try
{
byte[] HashbyteSignature;
HashbyteSignature = Convert.FromBase64String(strHashbyteSignature);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名
/// </summary>
/// <param name="strKeyPrivate">私钥</param>
/// <param name="strHashbyteSignature">待签名Hash描述</param>
/// <param name="strEncryptedSignatureData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureFormatter(string strKeyPrivate, string strHashbyteSignature, ref string strEncryptedSignatureData)
{
try
{
byte[] HashbyteSignature;
byte[] EncryptedSignatureData;
HashbyteSignature = Convert.FromBase64String(strHashbyteSignature);
System.Security.Cryptography.RSACryptoServiceProvider RSA = new System.Security.Cryptography.RSACryptoServiceProvider();
RSA.FromXmlString(strKeyPrivate);
System.Security.Cryptography.RSAPKCS1SignatureFormatter RSAFormatter = new System.Security.Cryptography.RSAPKCS1SignatureFormatter(RSA);
//设置签名的算法为MD5
RSAFormatter.SetHashAlgorithm("MD5");
//执行签名
EncryptedSignatureData = RSAFormatter.CreateSignature(HashbyteSignature);
strEncryptedSignatureData = Convert.ToBase64String(EncryptedSignatureData);
return true;
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#region RSA 签名验证
/// <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();
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>
/// RSA签名验证
/// </summary>
/// <param name="strKeyPublic">公钥</param>
/// <param name="strHashbyteDeformatter">Hash描述</param>
/// <param name="DeformatterData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureDeformatter(string strKeyPublic, string strHashbyteDeformatter, byte[] DeformatterData)
{
try
{
byte[] HashbyteDeformatter;
HashbyteDeformatter = Convert.FromBase64String(strHashbyteDeformatter);
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(HashbyteDeformatter, DeformatterData))
{
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名验证
/// </summary>
/// <param name="strKeyPublic">公钥</param>
/// <param name="HashbyteDeformatter">Hash描述</param>
/// <param name="strDeformatterData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureDeformatter(string strKeyPublic, byte[] HashbyteDeformatter, string strDeformatterData)
{
try
{
byte[] DeformatterData;
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");
DeformatterData = Convert.FromBase64String(strDeformatterData);
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// RSA签名验证
/// </summary>
/// <param name="strKeyPublic">公钥</param>
/// <param name="strHashbyteDeformatter">Hash描述</param>
/// <param name="strDeformatterData">签名后的结果</param>
/// <returns></returns>
public static bool SignatureDeformatter(string strKeyPublic, string strHashbyteDeformatter, string strDeformatterData)
{
try
{
byte[] DeformatterData;
byte[] HashbyteDeformatter;
HashbyteDeformatter = Convert.FromBase64String(strHashbyteDeformatter);
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");
DeformatterData = Convert.FromBase64String(strDeformatterData);
if (RSADeformatter.VerifySignature(HashbyteDeformatter, DeformatterData))
{
return true;
}
else
{
return false;
}
}
catch (Exception ex)
{
throw ex;
}
}
#endregion
#endregion
#endregion
#region DES 加密解密
/// <summary>
/// DES 加密
/// </summary>
public static string Des(this string source, string keyVal, string ivVal)
{
try
{
byte[] data = Encoding.UTF8.GetBytes(source);
var des = new DESCryptoServiceProvider { Key = Encoding.ASCII.GetBytes(keyVal.Length > 8 ? keyVal.Substring(0, 8) : keyVal), IV = Encoding.ASCII.GetBytes(ivVal.Length > 8 ? ivVal.Substring(0, 8) : ivVal) };
var desencrypt = des.CreateEncryptor();
byte[] result = desencrypt.TransformFinalBlock(data, 0, data.Length);
return BitConverter.ToString(result);
}
catch { return "转换出错!"; }
}
/// <summary>
/// DES 解密
/// </summary>
public static string UnDes(this string source, string keyVal, string ivVal)
{
try
{
string[] sInput = source.Split("-".ToCharArray());
byte[] data = new byte[sInput.Length];
for (int i = 0; i < sInput.Length; i++)
{
data[i] = byte.Parse(sInput[i], NumberStyles.HexNumber);
}
var des = new DESCryptoServiceProvider { Key = Encoding.ASCII.GetBytes(keyVal.Length > 8 ? keyVal.Substring(0, 8) : keyVal), IV = Encoding.ASCII.GetBytes(ivVal.Length > 8 ? ivVal.Substring(0, 8) : ivVal) };
var desencrypt = des.CreateDecryptor();
byte[] result = desencrypt.TransformFinalBlock(data, 0, data.Length);
return Encoding.UTF8.GetString(result);
}
catch { return "解密出错!"; }
}
#endregion
#region TripleDES 加密解密
/// <summary>
/// DES3 加密
/// </summary>
public static string Des3(this string source, string keyVal)
{
try
{
TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider
{
Key = keyVal.FormatByte(Encoding.UTF8),
Mode = CipherMode.ECB,
Padding = PaddingMode.PKCS7
};
using (MemoryStream ms = new MemoryStream())
{
byte[] btArray = Encoding.UTF8.GetBytes(source);
try
{
using (CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write))
{
cs.Write(btArray, 0, btArray.Length);
cs.FlushFinalBlock();
}
return ms.ToArray().Bytes2Str();
}
catch { return source; }
}
}
catch
{
return "TripleDES加密出现错误";
}
}
/// <summary>
/// DES3 解密
/// </summary>
public static string UnDes3(this string source, string keyVal)
{
try
{
byte[] byArray = source.Str2Bytes();
TripleDESCryptoServiceProvider des = new TripleDESCryptoServiceProvider
{
Key = keyVal.FormatByte(Encoding.UTF8),
Mode = CipherMode.ECB,
Padding = PaddingMode.PKCS7
};
using (MemoryStream ms = new MemoryStream())
{
using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))
{
cs.Write(byArray, 0, byArray.Length);
cs.FlushFinalBlock();
cs.Close();
ms.Close();
return Encoding.UTF8.GetString(ms.ToArray());
}
}
}
catch
{
return "TripleDES解密出现错误";
}
}
#endregion
#region BASE64 加密解密
/// <summary>
/// BASE64 加密
/// </summary>
/// <param name="source">待加密字段</param>
/// <returns></returns>
public static string Base64(this string source)
{
var btArray = Encoding.UTF8.GetBytes(source);
return Convert.ToBase64String(btArray, 0, btArray.Length);
}
/// <summary>
/// BASE64 解密
/// </summary>
/// <param name="source">待解密字段</param>
/// <returns></returns>
public static string UnBase64(this string source)
{
var btArray = Convert.FromBase64String(source);
return Encoding.UTF8.GetString(btArray);
}
#endregion
#region 内部方法
/// <summary>
/// 转成数组
/// </summary>
private static byte[] Str2Bytes(this string source)
{
source = source.Replace(" ", "");
byte[] buffer = new byte[source.Length / 2];
for (int i = 0; i < source.Length; i += 2) buffer[i / 2] = Convert.ToByte(source.Substring(i, 2), 16);
return buffer;
}
/// <summary>
/// 转换成字符串
/// </summary>
private static string Bytes2Str(this IEnumerable<byte> source, string formatStr = "{0:X2}")
{
StringBuilder pwd = new StringBuilder();
foreach (byte btStr in source) { pwd.AppendFormat(formatStr, btStr); }
return pwd.ToString();
}
private static byte[] FormatByte(this string strVal, Encoding encoding)
{
return encoding.GetBytes(strVal.Base64().Substring(0, 16).ToUpper());
}
/// <summary>
/// HashAlgorithm 加密统一方法
/// </summary>
private static string HashAlgorithmBase(HashAlgorithm hashAlgorithmObj, string source, Encoding encoding)
{
byte[] btStr = encoding.GetBytes(source);
byte[] hashStr = hashAlgorithmObj.ComputeHash(btStr);
return hashStr.Bytes2Str();
}
#endregion
}
}