gm-sm/src/sm2/index.js

sm2

const {CryptoJS} = require('./core');
const {SM2Cipher} = require('./sm2');
const {BigInteger} = require('./jsbn');

function doEncrypt(msg,publickey,cipherMode = 1){
    var msgData = CryptoJS.enc.Utf8.parse(msg); 
    var pubkeyHex = publickey;
            if (pubkeyHex.length > 130) {
                pubkeyHex = pubkeyHex.substr(pubkeyHex.length - 130);
            }

            var cipher = new SM2Cipher(cipherMode);
            var userKey = cipher.CreatePoint(pubkeyHex);

            msgData = cipher.str2Bytes(msgData.toString());

            var encryptData = cipher.Encrypt(userKey, msgData);
            return encryptData;
}

function doDecrypt(encryptData,prvkey,cipherMode = 1) {
    var privateKey = new BigInteger(prvkey, 16);
    var cipher = new SM2Cipher(cipherMode);
    var data = cipher.Decrypt(privateKey, encryptData);

   return data;
}

module.exports = {
    doEncrypt,
    doDecrypt
};