PHP国密SM2\SM4对接Java SM2SignWithSM3 (招商银行云直联)

添加composer 包：

composer require lpilp/guomi

SM2签名

<?php

use Mdanter\Ecc\Crypto\Key\PrivateKey;
use Mdanter\Ecc\Crypto\Signature\Signature;
use Mdanter\Ecc\Serializer\Signature\DerSignatureSerializer;
use Rtgm\ecc\RtEccFactory;
use Rtgm\sm\RtSm2;

require 'vendor/autoload.php';

$data = '{"request":{"body":{"TEST":"中文","TEST2":"!@#$%^&*()","TEST3":12345,"TEST4":[{"arrItem1":"qaz","arrItem2":123,"arrItem3":true,"arrItem4":"中文"}],"buscod":"N02030"},"head":{"funcode":"DCLISMOD","userid":"N003261207"}},"signature":{"sigdat":"__signature_sigdat__"}}';
$key = 'NBtl7WnuUtA2v5FaebEkU0/Jj1IodLGT6lQqwkzmd2E=';
$key = bin2hex(base64_decode($key));//转为16进制
$sm2 = new RtSm2('base64');
$userid = 'N003261207' . "0000000000000000";
$userid = substr($userid, 0, 16);
//签名
$sign = $sm2->doSign($data, $key, $userid);
$sign = base64_decode($sign);
$a = \FG\ASN1\ASNObject::fromBinary($sign)->getChildren();

$aa = formatHex($a[0]->getContent());
$bb = formatHex($a[1]->getContent());
$sign = $aa. $bb;
$sign = base64_encode(hex2bin($sign));
var_dump($sign);
//验签

$signHex = bin2hex(base64_decode($sign));
var_dump($signHex);
$r = substr($signHex, 0, 64);
$s = substr($signHex, 64, 64);
var_dump($r, $s);
$r = gmp_init($r, 16);
$s = gmp_init($s, 16);
/*$r = gmp_init('90416529259334433398865842692135340273188180784859666141339740103133164395295', 10);
$s = gmp_init('51927610271972364114244381230895889971736075490328811928131691394657016568041', 10);*/
$signature = new Signature( $r, $s );
$serializer = new DerSignatureSerializer();
$serializedSig = $serializer->serialize($signature);

$sign = base64_encode($serializedSig);
var_dump($sign);
$adapter = RtEccFactory::getAdapter();
$generator = RtEccFactory::getSmCurves()->generatorSm2();
$secret = gmp_init($key, 16);
$key = new PrivateKey($adapter, $generator, $secret);
$pubkey = $key->getPublicKey()->getPoint();
$x = $pubkey->getX();
$y = $pubkey->getY();
$pub = gmp_strval($x, 16);
$pub .= gmp_strval($y, 16);
var_dump($pub);
$b = $sm2->verifySign($data, $sign, $pub, $userid);
var_dump($b);


function formatHex($dec)
{

    $hex = gmp_strval(gmp_init($dec, 10), 16);
    $len = strlen($hex);
    if ($len == 64) {
        return $hex;
    }
    if ($len < 64){
        $hex = str_pad($hex, 64, "0", STR_PAD_LEFT);
    }else {
        $hex = substr($hex, $len - 64, 64);
    }

    return $hex;
}

　　

 

SM4加密

$userid = 'N003261207' . "0000000000000000";
$userid = substr($userid, 0, 16);
$sm4 = new RtSm4($key);
$sign = $sm4->encrypt($data,'sm4',$userid ,'base64');

SM4解密

$userid = 'N003261207' . "0000000000000000";
$userid = substr($userid, 0, 16);
$sm4 = new RtSm4($key);
$data = $sm4->decrypt($sign,'sm4-cbc',$userid ,'base64');