日期:2014-05-17 浏览次数:20663 次
/**
* 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());
}
function encrypt($input)
{
$size = mcrypt_get_block_size('des', 'ecb');
$input = $this->pkcs5_pad($input, $size);
$key = $this->key;
$td = mcrypt_module_open('des', '', 'ecb', '');
$iv = @mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
@mcrypt_generic_init($td, $key, $iv);
$data = mcrypt_generic($td, $input);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$data = base64_encode($data);
return $data;
}
function pkcs5_pad ($text, $blocksize) {
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
}