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http://www.cnblogs.com/ghj1976/archive/2011/05/26/2058841.html
http://blog.csdn.net/raining_peidx/article/details/4490741
<?php
function encrypt($str, $key)
{
$block = mcrypt_get_block_size('des', 'ecb');
$pad = $block - (strlen($str) % $block);
$str .= str_repeat(chr($pad), $pad);
return mcrypt_encrypt(MCRYPT_DES, $key, $str, MCRYPT_MODE_ECB);
}
function decrypt($str, $key)
{
$str = mcrypt_decrypt(MCRYPT_DES, $key, $str, MCRYPT_MODE_ECB);
$block = mcrypt_get_block_size('des', 'ecb');
$pad = ord($str[($len = strlen($str)) - 1]);
return substr($str, 0, strlen($str) - $pad);
}
?>
keyData = df.format(new Date(timestamp)) + "aop" + keyData;
的部分感觉两者的算法不一致
import java.util.Date;
import java.util.TimeZone;import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.IvParameterSpec;import com.allinpay.api.Constants;/**
* 支持 DES对称加密的工具类.
*
* 支持Hex与Base64两种编码方式.
*
* @author wangwch
*/
public class CryptoUtils { private static final String DES = "DES";
private static final String DEFAULT_ENCODING = "UTF-8";
/** 加密算法 */
private final static String ALGORITHM = "DES/CBC/PKCS5Padding"; /**
* 传输的关键数据加密
* @param keyData 需加密值
* @param timestamp 时间戳
* @param dataSecret 密钥
* @return String 加密数据
*/
public static String encryptKeyData(String keyData, Long timestamp, String dataSecret) { DateFormat df = new SimpleDateFormat(Constants.DATE_TIME_FORMAT);
df.setTimeZone(TimeZone.getTimeZone(Constants.DATE_TIMEZONE));
keyData = df.format(new Date(timestamp)) + "aop" + keyData;
return desEncryptToBase64(keyData, dataSecret.getBytes());
}
public static void main(String args[]){
Long timestamp = new Long("20120321161413");
String dataSecret = "abcdefgh";
String keyDate = "11111";
System.out.println("------------------"+encryptKeyData(keyDate, timestamp, dataSecret));
} //-- DES function --//
/**
* 使用DES加密原始字符串, 返回Hex编码的结果.
*
* @param input 原始输入字符串
* @param keyBytes 符合DES要求的密钥
*/
public static String desEncryptToHex(String input, byte[] keyBytes) {
byte[] encryptResult = null;
try {
encryptResult = des(input.getBytes(DEFAULT_ENCODING), keyBytes, Cipher.ENCRYPT_MODE);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return EncodeUtils.hexEncode(encryptResult);
} /**
* 使用DES加密原始字符串, 返回Base64编码的结果.
*
* @param input 原始输入字符串
* @param keyBytes 符合DES要求的密钥
*/
public static String desEncryptToBase64(String input, byte[] keyBytes) {
byte[] encryptResult = null;
try {
encryptResult = des(input.getBytes(DEFAULT_ENCODING), keyBytes, Cipher.ENCRYPT_MODE);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return EncodeUtils.base64Encode(encryptResult);
} /**
* 使用DES解密Hex编码的加密字符串, 返回原始字符串.
*
* @param input Hex编码的加密字符串
* @param keyBytes 符合DES要求的密钥
*/
public static String desDecryptFromHex(String input, byte[] keyBytes) {
byte[] decryptResult = des(EncodeUtils.hexDecode(input), keyBytes, Cipher.DECRYPT_MODE);
String decryptString = null;
try {
decryptString = new String(decryptResult, DEFAULT_ENCODING);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return decryptString;
} /**
* 使用DES解密Base64编码的加密字符串, 返回原始字符串.
*
* @param input Base64编码的加密字符串
* @param keyBytes 符合DES要求的密钥
*/
public static String desDecryptFromBase64(String input, byte[] keyBytes) {
byte[] decryptResult = des(EncodeUtils.base64Decode(input), keyBytes, Cipher.DECRYPT_MODE);
String decryptString = null;
try {
decryptString = new String(decryptResult, DEFAULT_ENCODING);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return decryptString;
} /**
* 使用DES加密或解密无编码的原始字节数组, 返回无编码的字节数组结果.
* 通用的java .net php
* @param inputBytes 原始字节数组
* @param keyBytes 符合DES要求的密钥
* @param mode Cipher.ENCRYPT_MODE 或 Cipher.DECRYPT_MODE
*/
private static byte[] des(byte[] inputBytes, byte[] keyBytes, int mode) {
try {
DESKeySpec desKeySpec = new DESKeySpec(keyBytes);
SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES);
//密钥
SecretKey secretKey = keyFactory.generateSecret(desKeySpec);
// 偏移量
IvParameterSpec iv = new IvParameterSpec(keyBytes);
Cipher cipher = Cipher.getInstance(ALGORITHM);
cipher.init(mode, secretKey, iv);
return cipher.doFinal(inputBytes);
} catch (GeneralSecurityException e) {
throw convertRuntimeException(e);
}
} /**
* 生成符合DES要求的密钥, 长度为64位(8字节).
*/
public static byte[] generateDesKey() {
try {
KeyGenerator keyGenerator = KeyGenerator.getInstance(DES);
SecretKey secretKey = keyGenerator.generateKey();
return secretKey.getEncoded();
} catch (GeneralSecurityException e) {
throw convertRuntimeException(e);
}
} /**
* 生成符合DES要求的Hex编码密钥, 长度为16字符.
*/
public static String generateDesHexKey() {
return EncodeUtils.hexEncode(generateDesKey());
} private static IllegalStateException convertRuntimeException(GeneralSecurityException e) {
return new IllegalStateException("Security exception", e);
}
}