@jzp113
2017-07-28T08:52:03.000000Z
字数 2507
阅读 1206
api
安装逆向
1.获取栏目略
2.获取文章
{"type":1,"chnlid":"ff80b5b5576f937501576fa7d0130000","newid":"2465668"}
替换栏目值,然后MD5上述字符串(大写)。
加密字符串,代码案例给出
请求地址:http://app.chinajilin.com.cn/App/mobile/api
请求内容:
{
"body": "z\/L84RA1\/EP7fMmAja7zqBs0Lr+H7pfD5+Ht4pmy+rSBbK84ypFqqoRUUdla SZxc697DIVd7tIrV5m4cXW8WUHvN6krb84SQg55OT+dswi8=",
"header": {
"length": "72",
"md5": "44AB67E805202CE4F9A126881E5D7940",
"num": "AE1002",
"token": "71E61F81A057493F96CBFCDF7DFF8532",
"cc": "1",
"encrypt": "true",
"version": "2.0.0"
}
}
在此输入正文
<?php
$key=bin2hex('u7ysDglRTDWu65CF_aWsDA==');
$key = pack('H48',$key);//取48字节24个字符
$iv='12345678';
$msg = 'z\/L84RA1\/EP7fMmAja7zqBs0Lr+H7pfD5+Ht4pmy+rSBbK84ypFqqoRUUdla SZxc697DIVd7tIrV5m4cXW8WUHvN6krb84SQg55OT+dswi8=';
$des = new STD3Des(base64_encode($key),base64_encode($iv));//mode:cbc
$rs1 = $des->decrypt($msg);
echo 'md5:'.strtoupper(md5($rs1)) ;
echo '加密:'.$des->encrypt($rs1);
echo '解密:'.($rs1) ;
class STD3Des {
private $key = "";
private $iv = "";
private $mode = MCRYPT_MODE_CBC;
/**
* 构造,传递二个已经进行base64_encode的KEY与IV
*
* @param string $key
* @param string $iv
*/
function __construct($key, $iv = null) {
if (empty($key)) {
echo 'key is not valid';
exit();
}
if ($iv == null) {
$iv = $key;
$this->mode = MCRYPT_MODE_ECB;
}
$this->key = $key;
$this->iv = $iv;
}
/**
* 加密
* @param <type> $value
* @return <type>
*/
public function encrypt($value) {
$td = mcrypt_module_open(MCRYPT_3DES, '', $this->mode, '');
$iv = $this->mode == MCRYPT_MODE_CBC ? base64_decode($this->iv) : mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
$value = $this->PaddingPKCS7($value);
$key = base64_decode($this->key);
mcrypt_generic_init($td, $key, $iv);
$dec = mcrypt_generic($td, $value);
$ret = base64_encode($dec);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return $ret;
}
/**
* 解密
* @param <type> $value
* @return <type>
*/
public function decrypt($value) {
$td = mcrypt_module_open(MCRYPT_3DES, '', $this->mode, '');
$iv = $this->mode == MCRYPT_MODE_CBC ? base64_decode($this->iv) : mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
$key = base64_decode($this->key);
mcrypt_generic_init($td, $key, $iv);
$ret = trim(mdecrypt_generic($td, base64_decode($value)));
$ret = $this->UnPaddingPKCS7($ret);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return $ret;
}
private function PaddingPKCS7($data) {
$block_size = mcrypt_get_block_size('tripledes', $this->mode);
$padding_char = $block_size - (strlen($data) % $block_size);
$data .= str_repeat(chr($padding_char), $padding_char);
return $data;
}
private function UnPaddingPKCS7($text) {
$pad = ord($text{strlen($text) - 1});
if ($pad > strlen($text)) {
return false;
}
if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) {
return false;
}
return substr($text, 0, -1 * $pad);
}
}