import java.security.*;
import java.security.cert.X509Certificate;
import java.io.*;
import javax.crypto.*;
import javax.crypto.spec.*;
public class Encrypt
{
private String password; public Encrypt(String password)
{
this.password=password;
} public String encode(String info)
{
if(info==null)
return "";
try
{
PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray());
SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec); byte[] salt = {
(byte)0xc7, (byte)0x73, (byte)0x21, (byte)0x8c,
(byte)0x7e, (byte)0xc8, (byte)0xee, (byte)0x99
}; int count = 2; // 生成pbe算法所需的参数对象,两个参数详见 RSA的 PKCS #5 标准
PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, count); // 生成一个加密器
Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES"); // 初始化加密器
pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParamSpec); // 明文
byte[] cleartext = info.getBytes(); // 加密
byte[] ciphertext = pbeCipher.doFinal(cleartext); //返回密文
return new String(ciphertext);
}
catch (Exception e)
{
System.out.println(e);
};
return "";
} public String decode(String info)
{
if(info==null)
return "";
try
{
PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray());
SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec); byte[] salt = {
(byte)0xc7, (byte)0x73, (byte)0x21, (byte)0x8c,
(byte)0x7e, (byte)0xc8, (byte)0xee, (byte)0x99
}; int count = 20; // 生成pbe算法所需的参数对象,两个参数详见 RSA的 PKCS #5 标准
PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, count); // 生成一个加密器
Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES"); // 初始化加密器
pbeCipher.init(Cipher.DECRYPT_MODE, pbeKey, pbeParamSpec); // 密文
byte[] ciphertext = info.getBytes(); // 解密
byte[] cleartext = pbeCipher.doFinal(ciphertext); //返回明文
return new String(ciphertext);
}
catch (Exception e)
{
System.out.println(e);
};
return "";
}
}
import java.security.cert.X509Certificate;
import java.io.*;
import javax.crypto.*;
import javax.crypto.spec.*;
public class Encrypt
{
private String password; public Encrypt(String password)
{
this.password=password;
} public String encode(String info)
{
if(info==null)
return "";
try
{
PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray());
SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec); byte[] salt = {
(byte)0xc7, (byte)0x73, (byte)0x21, (byte)0x8c,
(byte)0x7e, (byte)0xc8, (byte)0xee, (byte)0x99
}; int count = 2; // 生成pbe算法所需的参数对象,两个参数详见 RSA的 PKCS #5 标准
PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, count); // 生成一个加密器
Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES"); // 初始化加密器
pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParamSpec); // 明文
byte[] cleartext = info.getBytes(); // 加密
byte[] ciphertext = pbeCipher.doFinal(cleartext); //返回密文
return new String(ciphertext);
}
catch (Exception e)
{
System.out.println(e);
};
return "";
} public String decode(String info)
{
if(info==null)
return "";
try
{
PBEKeySpec pbeKeySpec = new PBEKeySpec(password.toCharArray());
SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec); byte[] salt = {
(byte)0xc7, (byte)0x73, (byte)0x21, (byte)0x8c,
(byte)0x7e, (byte)0xc8, (byte)0xee, (byte)0x99
}; int count = 20; // 生成pbe算法所需的参数对象,两个参数详见 RSA的 PKCS #5 标准
PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, count); // 生成一个加密器
Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES"); // 初始化加密器
pbeCipher.init(Cipher.DECRYPT_MODE, pbeKey, pbeParamSpec); // 密文
byte[] ciphertext = info.getBytes(); // 解密
byte[] cleartext = pbeCipher.doFinal(ciphertext); //返回明文
return new String(ciphertext);
}
catch (Exception e)
{
System.out.println(e);
};
return "";
}
}
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在线等待,有很多分给
联系37147420
在线等待,有很多分给
联系37147420
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