PHP code example of life2016 / guomi

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

life2016 / guomi example snippets

function __construct($formatSign='hex', $randFixed = true) {
    // 注意： 这个randFixed尽量取false, 如需要固定，请重新生成$foreignkey密码对
    $this->adapter = RtEccFactory::getAdapter();
    $this->generator = RtEccFactory::getSmCurves()->generatorSm2();
    if(in_array($formatSign,$this->arrFormat)){
        $this->formatSign = $formatSign;
    } else {
        $this->formatSign = 'hex';
    }
    if(!$randFixed){
        $this->useDerandomizedSignatures = false;
        $this->useDerandomizedEncrypt = false;
    }
}

private function  Reset() //注意，加密使用无符号的数组转换，以便与硬件相一致
{
    $this->sm3keybase = new SM3Digest();
    $this->sm3c3 = new SM3Digest();

    $p = array();

    $gmp_x = $this->p2->GetX();
    $this->sm3keybase->BlockUpdate(array(4), 0, 1); // 添加： 这里添加个04
    $x = Hex2ByteBuf::ConvertGmp2ByteArray($gmp_x);
    $this->sm3keybase->BlockUpdate($x, 0, sizeof($x));
    if($x[0]>127){ // >7F
        $this->sm3c3->BlockUpdate(array(0), 0, 1);   // 这里做了个判定，补00
    }
    $this->sm3c3->BlockUpdate($x, 0, sizeof($x));

    $gmp_y = $this->p2->GetY();
    $y = Hex2ByteBuf::ConvertGmp2ByteArray($gmp_y);
    $this->sm3keybase->BlockUpdate($y, 0, sizeof($y));

    $this->ct = 1;
    $this->NextKey();
}
    
public function  Dofinal()
{
    $c3 = array();
    $gmp_p = $this->p2->GetY();

    $p = Hex2ByteBuf::ConvertGmp2ByteArray($gmp_p);
   ///========以下添加的======
    if($p[0]>127){ // >7F
        $this->sm3c3->BlockUpdate(array(0), 0, 1);   // 这里做了个判定，补00
    }
  ///========以上添加的======
    $this->sm3c3->BlockUpdate($p, 0, sizeof($p));
    $this->sm3c3->DoFinal($c3, 0);
    $this->Reset(); 
    return $c3;
}