求加密算法，求解密
原密码：admin
加密后：A79ECB371DC0F477A39B0EB0C01029D53DD6E361
有大神能知道加密算法么？ ，我认为无解
[解决办法]
至少不是MD5和3des。
[解决办法]
sha1算法
[解决办法]
给你一个C# 的
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Security.Cryptography;
namespace HJMS
{
public class CryptUtil
{
/// <summary>
/// 第一种加密方法
/// </summary>
/// <param name="input">明文字符串</param>
/// <returns>已加密字符串</returns>
public static string EncryptString(string input)
{
if (input.Equals(string.Empty))
{
return input;
}
byte[] byKey = { 0x63, 0x68, 0x65, 0x6E, 0x79, 0x75, 0x61, 0x6E };
byte[] IV = { 0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10 };
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] inputByteArray = Encoding.UTF8.GetBytes(input);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(byKey, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
return Convert.ToBase64String(ms.ToArray());
}
/// <summary>
/// 第一种解密方法
/// </summary>
/// <param name="input">密文字符串</param>
/// <returns>解密字符串</returns>
public static string DecryptString(string input)
{
if (input.Equals(string.Empty))
{
return input;
}
byte[] byKey = { 0x63, 0x68, 0x65, 0x6E, 0x79, 0x75, 0x61, 0x6E };
byte[] IV = { 0xFE, 0xDC, 0xBA, 0x98, 0x76, 0x54, 0x32, 0x10 };
byte[] inputByteArray = new Byte[input.Length];
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
inputByteArray = Convert.FromBase64String(input);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(byKey, IV), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0, inputByteArray.Length);
cs.FlushFinalBlock();
Encoding encoding = new UTF8Encoding();
return encoding.GetString(ms.ToArray());
}
/// <summary>
/// DES + Base64 加密 第二种加密方法
/// </summary>
/// <param name="input">明文字符串</param>
/// <returns>已加密字符串</returns>
public static string DesBase64Encrypt(string input)
{
System.Security.Cryptography.DES des = System.Security.Cryptography.DES.Create();
des.Mode = System.Security.Cryptography.CipherMode.ECB;
ICryptoTransform ct;
MemoryStream ms;
CryptoStream cs;
byte[] byt;
byte[] Key = new byte[8] { 56, 50, 55, 56, 56, 55, 49, 49 };
byte[] IV = new byte[8] { 0, 0, 0, 0, 0, 0, 0, 0 };
ct = des.CreateEncryptor(Key, IV);
byt = Encoding.GetEncoding("GB2312").GetBytes(input); //根据 GB2312 编码对字符串处理，转换成 byte 数组
ms = new MemoryStream();
cs = new CryptoStream(ms, ct, CryptoStreamMode.Write);
cs.Write(byt, 0, byt.Length);
cs.FlushFinalBlock();
cs.Close();
byte[] answer = ms.ToArray();
for (int j = 0; j < answer.Length; j++)
{
Console.Write(answer[j].ToString() + " ");
}
Console.WriteLine();
return Convert.ToBase64String(ms.ToArray()); // 将加密的 byte 数组依照 Base64 编码转换成字符串
}
/// <summary>
/// DES + Base64 解密 第二种解密方法
/// </summary>
/// <param name="input">密文字符串</param>
/// <returns>解密字符串</returns>
public static string DesBase64Decrypt(string input)
{
System.Security.Cryptography.DES des = System.Security.Cryptography.DES.Create();
des.Mode = System.Security.Cryptography.CipherMode.ECB;
ICryptoTransform ct;
MemoryStream ms;
CryptoStream cs;
byte[] byt;
byte[] Key = new byte[8] { 56, 50, 55, 56, 56, 55, 49, 49 };
byte[] IV = new byte[8] { 0, 0, 0, 0, 0, 0, 0, 0 };
ct = des.CreateDecryptor(Key, IV);
byt = Convert.FromBase64String(input); // 将 密文 以 Base64 编码转换成 byte 数组
ms = new MemoryStream();
cs = new CryptoStream(ms, ct, CryptoStreamMode.Write);
cs.Write(byt, 0, byt.Length);
cs.FlushFinalBlock();
cs.Close();
return Encoding.GetEncoding("GB2312").GetString(ms.ToArray()); // 将 明文 以 GB2312 编码转换成字符串
}
/// <summary>
/// DES + Base64 加密 第三种加密方法
/// </summary>
/// <param name="input">明文字符串</param>
/// <returns>已加密字符串</returns>
public static string DesBase64EncryptForID5(string input)
{
System.Security.Cryptography.DES des = System.Security.Cryptography.DES.Create();
des.Mode = System.Security.Cryptography.CipherMode.CBC;
ICryptoTransform ct;
MemoryStream ms;
CryptoStream cs;
byte[] byt;
byte[] Key = new byte[8] { 56, 50, 55, 56, 56, 55, 49, 49 };
byte[] IV = new byte[8] { 56, 50, 55, 56, 56, 55, 49, 49 };
ct = des.CreateEncryptor(Key, IV);
byt = Encoding.GetEncoding("GB2312").GetBytes(input); //根据 GB2312 编码对字符串处理，转换成 byte 数组
ms = new MemoryStream();
cs = new CryptoStream(ms, ct, CryptoStreamMode.Write);
cs.Write(byt, 0, byt.Length);
cs.FlushFinalBlock();
cs.Close();
byte[] answer = ms.ToArray();
for (int j = 0; j < answer.Length; j++)
{
Console.Write(answer[j].ToString() + " ");
}
Console.WriteLine();
return Convert.ToBase64String(ms.ToArray()); // 将加密的 byte 数组依照 Base64 编码转换成字符串
}
/// <summary>
/// DES + Base64 解密 第三种解密方法
/// </summary>
/// <param name="input">密文字符串</param>
/// <returns>解密字符串</returns>
public static string DesBase64DecryptForID5(string input)
{
System.Security.Cryptography.DES des = System.Security.Cryptography.DES.Create();
des.Mode = System.Security.Cryptography.CipherMode.CBC;
ICryptoTransform ct;
MemoryStream ms;
CryptoStream cs;
byte[] byt;
byte[] Key = new byte[8] { 56, 50, 55, 56, 56, 55, 49, 49 };
byte[] IV = new byte[8] { 56, 50, 55, 56, 56, 55, 49, 49 };
ct = des.CreateDecryptor(Key, IV);
byt = Convert.FromBase64String(input); // 将 密文 以 Base64 编码转换成 byte 数组
ms = new MemoryStream();
cs = new CryptoStream(ms, ct, CryptoStreamMode.Write);
cs.Write(byt, 0, byt.Length);
cs.FlushFinalBlock();
cs.Close();
return Encoding.GetEncoding("GB2312").GetString(ms.ToArray()); // 将 明文 以 GB2312 编码转换成字符串
}
