chat_ws/verify.js

'use strict'

// import ecc from 'eosjs-ecc'
// or
const ecc = require('eosjs-ecc')

// 公钥 EOS7Ncm9F6jq25HrTgnJ9hNo5QtdMuPRcPv8QvbmnHVJEnZHFwV7E
// 秘钥 5K48UvhALZVd7hrq4CzrNL3GCvTAZ7s1dnMs9rLjbot8XNm9B1P
// 密文 SIG_K1_KWp84G79nTuw4C11BXVoydCh6q9tFGP5y4UuCgqLB5WNA1p7MF3fJ6W155ggCLWjrxYwntym1kch3yAE9DxRsKzyG1XxJu

// pk, $msg, $encoded_msg
let data = process.argv[2];
let pubkey = process.argv[3];
let sign = process.argv[4];
if (!data || !pubkey || !sign) {
    console.error('param is not valid.');
    return;
}

let flag = ecc.verify(sign, data, pubkey);
console.log(flag);