Node 加密解密

使用 Node 自带的 crypto 模块进行加密和解密

1. 加密

   /**

• @description:加密
• @param algorithm 加密算法
• @param key 秘钥
• @param iv 偏移量
• @return:字符串
  */
  function genSign(algorithm, key, iv) {
  let sign = “”;
  const cipher = crypto.createCipheriv(“aes-128-cbc”, key, iv);
  sign += cipher.update(algorithm, “utf8”, “hex”);
  sign += cipher.final(“hex”);
  return sign;
  }

2. 解密

/**

• @description:
• @param sign:加密后的字符串，buffer.toString()
• @param key 秘钥
• @param iv 偏移量
• @return:
  */
  function deSign(sign, key, iv) {
  let src = “”;
  const cipher = crypto.createDecipheriv(“aes-128-cbc”, key, iv);
  src += cipher.update(sign, “hex”, “utf8”);
  src += cipher.final(“utf8”);
  return src;
  }