java和php加解密对接
之前写过一个java和php的加解密对接文章，好像解密后有部分字符串乱码，现在重新给一个加解密的对接方案：
java代码：
import java.util.UUID;
import org.apache.commons.codec.binary.Base64;
public class Base64Utility extends Base64 {
private static final char last2byte = (char) Integer.parseInt("00000011", 2);
private static final char last4byte = (char) Integer.parseInt("00001111", 2);
private static final char last6byte = (char) Integer.parseInt("00111111", 2);
private static final char lead6byte = (char) Integer.parseInt("11111100", 2);
private static final char lead4byte = (char) Integer.parseInt("11110000", 2);
private static final char lead2byte = (char) Integer.parseInt("11000000", 2);
/**
* "+" -> "*"; "/" -> "-"
*/
private static final char[] encodeTable = new char[] { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m",
"n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "*", "-" };
/**
* @param binaryData
* binary data to encode
* @return String containing Base64 characters
* @since 1.4
*/
public static String encodeBase64URLSafeString2(byte[] from) {
StringBuffer to = new StringBuffer((int) (from.length * 1.34) + 3);
int num = 0;
char currentByte = 0;
for (int i = 0; i < from.length; i++) {
num = num % 8;
while (num < 8) {
switch (num) {
case 0:
currentByte = (char) (from[i] & lead6byte);
currentByte = (char) (currentByte >>> 2);
break;
case 2:
currentByte = (char) (from[i] & last6byte);
break;
case 4:
currentByte = (char) (from[i] & last4byte);
currentByte = (char) (currentByte << 2);
if ((i + 1) < from.length) {
currentByte |= (from[i + 1] & lead2byte) >>> 6;
}
break;
case 6:
currentByte = (char) (from[i] & last2byte);
currentByte = (char) (currentByte << 4);
if ((i + 1) < from.length) {
currentByte |= (from[i + 1] & lead4byte) >>> 4;
}
break;
}
to.append(encodeTable[currentByte]);
num += 6;
}
}
if (to.length() % 4 != 0) {
for (int i = 4 - to.length() % 4; i > 0; i--) {
to.append("=");
}
}
return to.toString();
}
public static void main(String[] args) {
encodeBase64URLSafeString(null);
System.out.println(UUID.randomUUID().toString());
}
}import java.security.Key;
import javax.crypto.Cipher;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import org.apache.commons.codec.binary.Base64;
public class CipherUtility {
public static class AES {
// 密钥算法
public static final String KEY_ALGORITHM = "AES";
// 加解密算法/工作模式/填充方式,Java6.0支持PKCS5Padding填充方式,BouncyCastle支持PKCS7Padding填充方式
public static final String CIPHER_ALGORITHM = "AES/ECB/PKCS5Padding";
/**
* 生成密钥
*/
protected static Key getKey(String password) throws Exception {
// KeyGenerator kg = KeyGenerator.getInstance(KEY_ALGORITHM); // 实例化密钥生成器
// kg.init(128, new SecureRandom(password.getBytes()));// 初始化密钥生成器:AES要求密钥长度为128,192,256位
// SecretKey secretKey = kg.generateKey(); // 生成密钥
return new SecretKeySpec(DigestUtility.md5(password.getBytes()), KEY_ALGORITHM); // MD5 128bit
}
/**
* 加密数据
*
* @param data
* @param password
* @return
*/
public static byte[] encrypt(byte[] data, String password) {
try {
Key k = getKey(password);// 还原密钥
// 使用PKCS7Padding填充方式,这里就得这么写了(即调用BouncyCastle组件实现)
// Cipher cipher = Cipher.getInstance(CIPHER_ALGORITHM, "BC");
Cipher cipher = Cipher.getInstance(CIPHER_ALGORITHM); // 实例化Cipher对象，它用于完成实际的加密操作
cipher.init(Cipher.ENCRYPT_MODE, k); // 初始化Cipher对象，设置为加密模式
byte[] bytes = cipher.doFinal(data);
return bytes;
} catch (Exception e) {
return null;
}
}
/**
* 加密数据
*
* @param data
* 待加密数据
* @param key
* 密钥
* @return 加密后的数据
*/
public static String encrypt(String data, String password) {
return encrypt(data, password, true);
}
/**
* 加密数据 BASE 64
*
* @param data
* 待加密数据
* @param key
* 密钥
* @return 加密后的数据
*/
public static String encrypt(String data, String password, boolean urlSafe) {
try {
byte[] bytes = encrypt(data.getBytes(), password);
if (urlSafe) {
// System.out.println(Hex.encodeHexString(bytes));
// System.out.println(Hex.encodeHexString(Base64.encodeBase64(bytes)));
return Base64.encodeBase64URLSafeString(bytes); // 执行加密操作。加密后的结果通常都会用Base64编码进行传输
} else {
return Base64.encodeBase64String(bytes); // 执行加密操作。加密后的结果通常都会用Base64编码进行传输
}
} catch (Exception e) {
return null;
}
}
/**
* 解密数据
*
* @param data
* @param password
* @return
*/
public static byte[] decrypt(byte[] data, String password) {
try {
Key k = getKey(password); // 还原密钥
Cipher cipher = Cipher.getInstance(CIPHER_ALGORITHM);
cipher.init(Cipher.DECRYPT_MODE, k); // 初始化Cipher对象，设置为解密模式
byte[] bytes = cipher.doFinal(data);// 执行解密操作
return bytes;
} catch (Exception e) {
return null;
}
}
/**
* 解密数据
*
* @param data
* 待解密数据
* @param key
* 密钥
* @return 解密后的数据
*/
public static String decrypt(String data, String password) {
try {
byte[] bytes = decrypt(Base64.decodeBase64(data), password);
return new String(bytes); // 执行解密操作
} catch (Exception e) {
return null;
}
}
}
public static class HMAC_SHA1 {
public static String encrypt(String data, String password) {
try {
SecretKeySpec signingKey = new SecretKeySpec(password.getBytes(), "HmacSHA1");
Mac mac = Mac.getInstance("HmacSHA1");
mac.init(signingKey);
byte[] rawHmac = mac.doFinal(data.getBytes());
String dfd = Base64Utility.encodeBase64URLSafeString2(rawHmac);
return dfd;
} catch (Exception e) {
return null;
}
}
}
}import org.apache.commons.codec.digest.DigestUtils;
public class DigestUtility extends DigestUtils {
}php代码：
class EncryptController extends Controller{
public static function encrypt($input, $key,$urlsafe = true) {
$size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
$input = EncryptController::pkcs5_pad($input, $size);
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, "", MCRYPT_MODE_ECB, "");
$iv = mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
mcrypt_generic_init($td, md5($key,true), $iv);
$data = mcrypt_generic($td, $input);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$data = base64_encode($data);
if($urlsafe){
$data = str_replace("+","-",$data);
$data = str_replace("/","_",$data);
$data = str_replace("=","",$data);
}
return $data;
}
private static function pkcs5_pad ($text, $blocksize) {
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
}
public static function decrypt($sStr, $sKey) {
$decrypted= mcrypt_decrypt(
MCRYPT_RIJNDAEL_128,
md5($sKey,true),
base64_decode($sStr),
MCRYPT_MODE_ECB
);
$dec_s = strlen($decrypted);
$padding = ord($decrypted[$dec_s-1]);
$decrypted = substr($decrypted, 0, -$padding);
return $decrypted;
}
}声明：该文观点仅代表作者本人，入门客AI创业平台信息发布平台仅提供信息存储空间服务，如有疑问请联系rumenke@qq.com。
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