java - 求帮忙把这个DES加密代码转换成PHP的.. 这是DES算法么 ..
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2022-04-30 15:24:16
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import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import java.io.IOException;
import java.security.SecureRandom;
public class PHPDESEncrypt {
String key;
public PHPDESEncrypt() {
}
public PHPDESEncrypt(String key) {
this.key = key;
}
public byte[] desEncrypt(byte[] plainText) throws Exception {
SecureRandom sr = new SecureRandom();
DESKeySpec dks = new DESKeySpec(key.getBytes());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey key = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance("DES");
cipher.init(Cipher.ENCRYPT_MODE, key, sr);
byte data[] = plainText;
byte encryptedData[] = cipher.doFinal(data);
return encryptedData;
}
public byte[] desDecrypt(byte[] encryptText) throws Exception {
SecureRandom sr = new SecureRandom();
DESKeySpec dks = new DESKeySpec(key.getBytes());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey key = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance("DES");
cipher.init(Cipher.DECRYPT_MODE, key, sr);
byte encryptedData[] = encryptText;
byte decryptedData[] = cipher.doFinal(encryptedData);
return decryptedData;
}
public String encrypt(String input) throws Exception {
return base64Encode(desEncrypt(input.getBytes())).replaceAll("\\s*", "");
}
public String decrypt(String input) throws Exception {
byte[] result = base64Decode(input);
return new String(desDecrypt(result));
}
public String base64Encode(byte[] s) {
if (s == null) return null;
BASE64Encoder b = new sun.misc.BASE64Encoder();
return b.encode(s);
}
public byte[] base64Decode(String s) throws IOException {
if (s == null) {
return null;
}
BASE64Decoder decoder = new BASE64Decoder();
byte[] b = decoder.decodeBuffer(s);
return b;
}
public static void main(String[] args) {
try {
PHPDESEncrypt d = new PHPDESEncrypt("12345678");
String p = d.encrypt("love");
System.out.println("密文:" + p);
} catch (Exception e) {
e.printStackTrace();
}
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
}
回复内容:
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import java.io.IOException;
import java.security.SecureRandom;
public class PHPDESEncrypt {
String key;
public PHPDESEncrypt() {
}
public PHPDESEncrypt(String key) {
this.key = key;
}
public byte[] desEncrypt(byte[] plainText) throws Exception {
SecureRandom sr = new SecureRandom();
DESKeySpec dks = new DESKeySpec(key.getBytes());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey key = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance("DES");
cipher.init(Cipher.ENCRYPT_MODE, key, sr);
byte data[] = plainText;
byte encryptedData[] = cipher.doFinal(data);
return encryptedData;
}
public byte[] desDecrypt(byte[] encryptText) throws Exception {
SecureRandom sr = new SecureRandom();
DESKeySpec dks = new DESKeySpec(key.getBytes());
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
SecretKey key = keyFactory.generateSecret(dks);
Cipher cipher = Cipher.getInstance("DES");
cipher.init(Cipher.DECRYPT_MODE, key, sr);
byte encryptedData[] = encryptText;
byte decryptedData[] = cipher.doFinal(encryptedData);
return decryptedData;
}
public String encrypt(String input) throws Exception {
return base64Encode(desEncrypt(input.getBytes())).replaceAll("\\s*", "");
}
public String decrypt(String input) throws Exception {
byte[] result = base64Decode(input);
return new String(desDecrypt(result));
}
public String base64Encode(byte[] s) {
if (s == null) return null;
BASE64Encoder b = new sun.misc.BASE64Encoder();
return b.encode(s);
}
public byte[] base64Decode(String s) throws IOException {
if (s == null) {
return null;
}
BASE64Decoder decoder = new BASE64Decoder();
byte[] b = decoder.decodeBuffer(s);
return b;
}
public static void main(String[] args) {
try {
PHPDESEncrypt d = new PHPDESEncrypt("12345678");
String p = d.encrypt("love");
System.out.println("密文:" + p);
} catch (Exception e) {
e.printStackTrace();
}
}
public String getKey() {
return key;
}
public void setKey(String key) {
this.key = key;
}
}
des加密有好几种。。不知道你这种是哪个。。。这里有两种,你可以对照一下php Des加密
这个……看你贴的代码是java
吧!你要用php
的DES
解密需要至少得需要知道加密key
和对应的加密模式例如是CBC
,CFB
,ECB
等!确认好之后,用楼上的给你的dome应该没问题的
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