{"id":396,"date":"2021-03-06T00:00:00","date_gmt":"2021-03-05T16:00:00","guid":{"rendered":"https:\/\/bwg.iamgiser.xyz\/?p=396"},"modified":"2021-03-06T00:00:00","modified_gmt":"2021-03-05T16:00:00","slug":"2008-03-04-170642%e7%ae%80%e6%98%93des%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%8a%a0%e5%af%86","status":"publish","type":"post","link":"https:\/\/bwg.iamgiser.xyz\/?p=396","title":{"rendered":"2008-03-04 17:06:42\u7b80\u6613DES\u5b57\u7b26\u4e32\u52a0\u5bc6"},"content":{"rendered":"

using System;
using System.Collections.Generic;
using System.Text;
using System.Security.Cryptography;
using System.IO;<\/P>
\n

namespace Component
{
\u00a0\u00a0\u00a0 public class Security
\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 public Security()
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }<\/P>
\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u9ed8\u8ba4\u5bc6\u94a5\u5411\u91cf
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 private static byte[] Keys = { 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF };
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ <\/p>\n


\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ DES\u52a0\u5bc6\u5b57\u7b26\u4e32
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ <\/summary>\n


\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ \u5f85\u52a0\u5bc6\u7684\u5b57\u7b26\u4e32<\/param>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ \u52a0\u5bc6\u5bc6\u94a5,\u8981\u6c42\u4e3a8\u4f4d<\/param>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ \u52a0\u5bc6\u6210\u529f\u8fd4\u56de\u52a0\u5bc6\u540e\u7684\u5b57\u7b26\u4e32\uff0c\u5931\u8d25\u8fd4\u56de\u6e90\u4e32<\/returns>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 public static string EncryptDES(string encryptString, string encryptKey)
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 try
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 byte[] rgbKey = Encoding.UTF8.GetBytes(encryptKey.Substring(0, 8));
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 byte[] rgbIV = Keys;
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 byte[] inputByteArray = Encoding.UTF8.GetBytes(encryptString);
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 DESCryptoServiceProvider dCSP = new DESCryptoServiceProvider();
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 MemoryStream mStream = new MemoryStream();
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CryptoStream cStream = new CryptoStream(mStream, dCSP.CreateEncryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cStream.Write(inputByteArray, 0, inputByteArray.Length);
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cStream.FlushFinalBlock();
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return Convert.ToBase64String(mStream.ToArray());
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 catch
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return encryptString;
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }<\/P>
\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ <\/p>\n


\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ DES\u89e3\u5bc6\u5b57\u7b26\u4e32
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ <\/summary>\n


\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ \u5f85\u89e3\u5bc6\u7684\u5b57\u7b26\u4e32<\/param>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ \u89e3\u5bc6\u5bc6\u94a5,\u8981\u6c42\u4e3a8\u4f4d,\u548c\u52a0\u5bc6\u5bc6\u94a5\u76f8\u540c<\/param>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\/ \u89e3\u5bc6\u6210\u529f\u8fd4\u56de\u89e3\u5bc6\u540e\u7684\u5b57\u7b26\u4e32\uff0c\u5931\u8d25\u8fd4\u6e90\u4e32<\/returns>
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 public static string DecryptDES(string decryptString, string decryptKey)
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 try
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 byte[] rgbKey = Encoding.UTF8.GetBytes(decryptKey);
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 byte[] rgbIV = Keys;
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 byte[] inputByteArray = Convert.FromBase64String(decryptString);
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 DESCryptoServiceProvider DCSP = new DESCryptoServiceProvider();
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 MemoryStream mStream = new MemoryStream();
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CryptoStream cStream = new CryptoStream(mStream, DCSP.CreateDecryptor(rgbKey, rgbIV), CryptoStreamMode.Write);
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cStream.Write(inputByteArray, 0, inputByteArray.Length);
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cStream.FlushFinalBlock();
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return Encoding.UTF8.GetString(mStream.ToArray());
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 catch
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 {
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 return decryptString;
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 }
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 } <\/P>
\n


\u00a0\u00a0\u00a0 }
}<\/P>
\n

\u00a0—————————————————————————————————————-<\/FONT><\/P>
\n

—————————————————————————————————————–<\/FONT><\/P>
\n

\u00a0\u4ee5\u4e0b\u5206\u522b\u662f\u4f7f\u7528\u4e86\u4e0d\u540c\u7684\u52a0\u5bc6\u65b9\u6cd5\u52a0\u5bc6\/\u89e3\u5bc6\u5b57\u7b26\u4e32\uff1aDES HMACSHA1 SHA1 RC2 MD5 \u7b49,\u5f85\u7eed
using System;
using System.IO;
using System.Text;
using System.Security.Cryptography; <\/P>
\n

namespace Crypt
{
class Crypt
{ <\/P>
\n

[STAThread]
public static void Main(string[] args)
{
string Line;
string Key;
string IV;
string Text;
Console.WriteLine(“Input DES,SHA1 key:”);
Key=Console.ReadLine()+” “;
Key=Key.Substring(0,8);
Console.WriteLine(“Input DES IV:”);
IV=Console.ReadLine()+” “;
IV=Key.Substring(0,8);
Console.WriteLine(“Input text:”);
Text=Console.ReadLine();
Line=Crypt.DESEncrypt(Text,Key,IV);
\/\/DES Crypt <\/P>
\n

Console.WriteLine(“DES Crypt:{0}”,Line);
\/\/MD5 Crypt <\/P>
\n

Console.WriteLine(“MD5 Crypt:{0}”,Crypt.MD5Encrypt(Text));
\/\/HMACSHA1 Crypt <\/P>
\n

Console.WriteLine(“HMACSHA1 Crypt:{0}”,Crypt.HMACSHA1Encrypt(Text,Key));
\/\/SHA1 Crypt <\/P>
\n

Console.WriteLine(“SHA1 Crypt:{0}”,Crypt.SHA1Encrypt(Text));
\/\/RC2 Crypt <\/P>
\n

RC2 myRC2=new RC2(Text);
Console.WriteLine(“RC2 Crypt:{0}”,myRC2.RC2Encrypt());
\/*
Start decrypt
*\/
Console.WriteLine(“Press any key to decrypt.”);
Console.ReadLine();
\/\/DES decrypt <\/P>
\n

Console.WriteLine(“DES decrypt:{0}”,Crypt.DESDecrypt(Line,Key,IV));
\/\/RC2 decrypt <\/P>
\n

Console.WriteLine(“RC2 decrypt:{0}”,myRC2.RC2Decrypt());
Console.WriteLine(“Press any key to exit.”);
Console.ReadLine();
} <\/P>
\n

class RC2
{
private byte[] Key;
private byte[] IV;
private byte[] orgText;
private byte[] encryptText;
private byte[] decryptText;
public RC2(string rc2Text)
{
orgText=Encoding.Default.GetBytes(rc2Text);
RC2CryptoServiceProvider myRC2=new RC2CryptoServiceProvider();
myRC2.GenerateIV();
myRC2.GenerateKey();
Key=myRC2.Key;
IV=myRC2.IV;
}
public string RC2Encrypt()
{
RC2CryptoServiceProvider myRC2=new RC2CryptoServiceProvider();
ICryptoTransform myCryptoTrans=myRC2.CreateEncryptor(Key,IV);
MemoryStream MStream=new MemoryStream();
CryptoStream CStream=new CryptoStream(MStream,myCryptoTrans,CryptoStreamMode.Write);
CStream.Write(orgText,0,orgText.Length);
CStream.FlushFinalBlock();
StringBuilder EnText=new StringBuilder();
encryptText=MStream.ToArray();
foreach(byte Byte in encryptText)
{
EnText.AppendFormat(“{0:x2}”,Byte);
}
CStream.Close();
return EnText.ToString();
}
public string RC2Decrypt()
{
RC2CryptoServiceProvider myRC2=new RC2CryptoServiceProvider();
ICryptoTransform myCryptoTrans=myRC2.CreateDecryptor(Key,IV);
MemoryStream MStream=new MemoryStream(encryptText);
CryptoStream CStream=new CryptoStream(MStream,myCryptoTrans,CryptoStreamMode.Read);
decryptText=new byte[encryptText.Length];
CStream.Read(decryptText,0,decryptText.Length);
StringBuilder EnText=new StringBuilder();
CStream.Close();
ASCIIEncoding myText=new ASCIIEncoding();
return myText.GetString(decryptText);
}
}
public static string SHA1Encrypt(string EncryptText)
{
byte[] StrRes=Encoding.Default.GetBytes(EncryptText);
HashAlgorithm mySHA=new SHA1CryptoServiceProvider();
StrRes=mySHA.ComputeHash(StrRes);
StringBuilder EnText=new StringBuilder();
foreach(byte Byte in StrRes)
{
EnText.AppendFormat(“{0:x2}”,Byte);
}
return EnText.ToString();
}
public static string HMACSHA1Encrypt(string EncryptText,string EncryptKey)
{
byte[] StrRes=Encoding.Default.GetBytes(EncryptText);
HMACSHA1 myHMACSHA1=new HMACSHA1(Encoding.Default.GetBytes(EncryptKey));
CryptoStream CStream=new CryptoStream(Stream.Null,myHMACSHA1,CryptoStreamMode.Write);
CStream.Write(StrRes,0,StrRes.Length);
StringBuilder EnText=new StringBuilder();
foreach(byte Byte in StrRes)
{
EnText.AppendFormat(“{0:x2}”,Byte);
}
return EnText.ToString();
}
public static string MD5Encrypt(string CryptText)
{
MD5 myMD5=new MD5CryptoServiceProvider();
byte[] HashCode;
HashCode=Encoding.Default.GetBytes(CryptText);
HashCode=myMD5.ComputeHash(HashCode);
StringBuilder EnText=new StringBuilder();
foreach(byte Byte in HashCode)
{
EnText.AppendFormat(“{0:x2}”,Byte);
}
return EnText.ToString();
}
public static string DESEncrypt(string CryptText, string CryptKey,string CryptIV)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] textOut = Encoding.Default.GetBytes(CryptText);
byte[] DESKey=ASCIIEncoding.ASCII.GetBytes(CryptKey);
byte[] DESIV=ASCIIEncoding.ASCII.GetBytes(CryptKey);
MemoryStream MStream = new MemoryStream();
CryptoStream CStream = new CryptoStream(MStream, des.CreateEncryptor(DESKey,DESIV),CryptoStreamMode.Write);
CStream.Write(textOut, 0, textOut.Length);
CStream.FlushFinalBlock();
StringBuilder StrRes = new StringBuilder();
foreach(byte Byte in MStream.ToArray())
{
StrRes.AppendFormat(“{0:x2}”, Byte);
}
return StrRes.ToString();
} <\/P>
\n

public static string DESDecrypt(string CryptText, string CryptKey,string CryptIV)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
byte[] textOut = new byte[CryptText.Length \/ 2];
for(int Count = 0; Count < CryptText.Length; Count+=2)
{
textOut[Count\/2] = (byte)(Convert.ToInt32(CryptText.Substring(Count , 2), 16));
}
byte[] DESKey=ASCIIEncoding.ASCII.GetBytes(CryptKey);
byte[] DESIV=ASCIIEncoding.ASCII.GetBytes(CryptIV);
MemoryStream MStream = new MemoryStream();
CryptoStream CStream = new CryptoStream(MStream, des.CreateDecryptor(DESKey,DESIV),CryptoStreamMode.Write);
CStream.Write(textOut, 0, textOut.Length);
CStream.FlushFinalBlock();
return System.Text.Encoding.Default.GetString(MStream.ToArray());
}
}
} <\/P>
\n


\u8c03\u8bd5\u7ed3\u679c
================
Input DES,SHA1 key:
hello
Input DES IV:
world
Input text:
I am a boy my name is DexiangWu
DES Crypt:9e701e4e8f55714bc68253d2ddf53fb6fd6a64df7f6b78f9491a64df18113642
MD5 Crypt:f7d88e861602d2e1e0992dd70967314e
HMACSHA1 Crypt:4920616d206120626f79206d79206e616d652069732044657869616e675775
SHA1 Crypt:d5b25333f3e01ba96ac281e111af08701a7ccfb0
RC2 Crypt:82cc5c822272a721db753e15d918c0d20e62322316fdd4a4d881b8eb03ff55e3
Press any key to decrypt. <\/P>
\n

DES decrypt:I am a boy my name is DexiangWu
RC2 decrypt:I am a boy my name is DexiangWu<\/P>
\n

\u00a0<\/P>
\n

\u00a0<\/P>
\n

—————————————————————————————————————–<\/FONT><\/P>
\n

—————————————————————————————————————-<\/FONT><\/P>
\n

\u00a0<\/P>
\n

\u4fdd\u5b58\u81f3\u6ce8\u518c\u8868<\/P>
\n

http:\/\/www.microsoft.com\/china\/technet\/security\/guidance\/secmod25.mspx<\/A><\/P>
\n

\u00a0<\/P><\/p>\n","protected":false},"excerpt":{"rendered":"

\u7b80\u6613DES\u5b57\u7b26\u4e32\u52a0\u5bc6<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-396","post","type-post","status-publish","format-standard","hentry","category-5"],"_links":{"self":[{"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=\/wp\/v2\/posts\/396","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=396"}],"version-history":[{"count":0,"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=\/wp\/v2\/posts\/396\/revisions"}],"wp:attachment":[{"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=396"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=396"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bwg.iamgiser.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=396"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}