<?php

namespace app\util\sm\cmb;

use app\util\sm\Exec;

class Sm extends Exec
{

    /**
     * sm4 加密
     * @param string $key
     * @param string $plaintext
     * @return string
     */
    public static function sm4Encrypt(string $key, string $plaintext): string
    {
        $content = base64_encode($plaintext);
        $cmd = self::dirPath() . 'sm cmblife encrypt --input="' . $content . '" --sopPublicKey="' . $key . '" 2>&1';
        return self::exec2($cmd);
    }

    /**
     * sm4 解密
     * @param string $key
     * @param string $plaintext
     * @return string
     */
    public static function sm4decrypt(string $key, string $plaintext): string
    {
        $content = base64_encode($plaintext);
        $cmd = self::dirPath() . 'sm cmblife decrypt --input="' . $content . '" --priKey="' . $key . '" 2>&1';
        return self::exec2($cmd);
    }


    /**
     * sm2 签名
     * @param string $prk
     * @param string $plaintext
     * @return string
     */
    public static function sign(string $prk, string $plaintext): string
    {
        $content = base64_encode($plaintext);
        $cmd = self::dirPath() . 'sm cmblife sign --input="' . $content . '" --priKey="' . $prk . '" 2>&1';
        return self::exec2($cmd);
    }

    /**
     * 验证签名
     * @param string $puk
     * @param string $signStr
     * @param string $plaintext
     * @return bool
     */
    public static function verify(string $puk, string $signStr, string $plaintext): bool
    {
        $content = base64_encode($plaintext);
        $cmd = self::dirPath() . 'sm cmblife verify --input="' . $content . '" --sopPublicKey="' . $puk . '" --sign="' . $signStr . '" 2>&1';
        return self::exec2($cmd) == 'ok';
    }
}