note 91295 deleted from ref.mcrypt by danbrown
| From: | danbrown@php.net | Date: | Thu, 04 Jun 2009 12:36:46 +0000 |
| Subject: | note 91295 deleted from ref.mcrypt by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-156353@lists.php.net to get a copy of this message | ||
Note Submitter: lwlmaomao at yahoo dot com dot cn
----
javaï¼
import java.security.*;
import javax.crypto.*;
public class DESPlus {
private static String strDefaultKey = "national";
//private static String strDefaultKey = "ABC123";
private Cipher encryptCipher = null;
private Cipher decryptCipher = null;
public static String byteArr2HexStr(byte[] arrB) throws Exception {
int iLen = arrB.length;
StringBuffer sb = new StringBuffer(iLen * 2);
for (int i = 0; i < iLen; i++) {
int intTmp = arrB[i];
while (intTmp < 0) {
intTmp = intTmp + 256;
}
if (intTmp < 16) {
sb.append("0");
}
sb.append(Integer.toString(intTmp, 16));
}
return sb.toString();
}
public static byte[] hexStr2ByteArr(String strIn) throws Exception {
byte[] arrB = strIn.getBytes();
int iLen = arrB.length;
byte[] arrOut = new byte[iLen / 2];
for (int i = 0; i < iLen; i = i + 2) {
String strTmp = new String(arrB, i, 2);
arrOut[i / 2] = (byte) Integer.parseInt(strTmp, 16);
}
return arrOut;
}
public DESPlus() throws Exception {
this(strDefaultKey);
}
public DESPlus(String strKey) throws Exception {
Security.addProvider(new com.sun.crypto.provider.SunJCE());
Key key = getKey(strKey.getBytes());
encryptCipher = Cipher.getInstance("DES");
encryptCipher.init(Cipher.ENCRYPT_MODE, key);
decryptCipher = Cipher.getInstance("DES");
decryptCipher.init(Cipher.DECRYPT_MODE, key);
}
public byte[] encrypt(byte[] arrB) throws Exception {
return encryptCipher.doFinal(arrB);
}
public String encrypt(String strIn) throws Exception {
return byteArr2HexStr(encrypt(strIn.getBytes()));
}
public byte[] decrypt(byte[] arrB) throws Exception {
return decryptCipher.doFinal(arrB);
}
public String decrypt(String strIn) throws Exception {
return new String(decrypt(hexStr2ByteArr(strIn)));
}
private Key getKey(byte[] arrBTmp) throws Exception {
byte[] arrB = new byte[8];
for (int i = 0; i < arrBTmp.length && i < arrB.length; i++) {
arrB[i] = arrBTmp[i];
}
Key key = new javax.crypto.spec.SecretKeySpec(arrB, "DES");
return key;
}
public static void main(String[] args) {
try {
String test = "13641326362";
DESPlus des = new DESPlus();
System.out.println(test);
System.out.println(des.encrypt(test));
System.out.println(des.decrypt("ea1c54358de17de808eaaa1ff68a92ca"));
} catch (Exception e) {
e.printStackTrace();
}
}
}
PHPï¼