import { SM4 } from 'gm-crypto';

var SM4SECRET_KEY = "64D5490DA2E9A727D9E8A4D0E4FB197D"
var SM4SECRET_IV = "54D3832198EA5940DE4F106AFBBECC8D"
function encryptSm4(text) {
    const msg = typeof text === 'string' ? text : JSON.stringify(text);
    const sm4Encrypt = SM4.encrypt(msg, SM4SECRET_KEY, {
      iv: SM4SECRET_IV,
      mode: SM4.constants.CBC,
      inputEncoding: 'utf8',
      outputEncoding: 'base64',
    });
    return sm4Encrypt;
  }
  // 国密4解密（密文）
  function decryptSm4(text) {
    // CBC
    const sm4Decrypt = SM4.decrypt(text, SM4SECRET_KEY, {
      iv: SM4SECRET_IV,
      mode: SM4.constants.CBC,
      inputEncoding: 'base64',
      outputEncoding: 'utf8',
    });
    return sm4Decrypt;
  }

var SM4Util = function(key, iv){
    SM4SECRET_KEY = key
    SM4SECRET_IV = iv
    this.encryptSm4 = encryptSm4;
    this.decryptSm4 = decryptSm4;
}
window.SM4Util = SM4Util;
export { SM4Util };