aes-test.js

const example_key = {
  pub: "-----BEGIN PUBLIC KEY-----\n" +
  "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9kDZw/3AtZ2FSY1byp9A\n" +
  "0kkJ1DJdX2iKDmE5YAaloWA92FNxQ9txd5ircSyjciv6RJ+CYF1k9G/0p6B2oV2i\n" +
  "hSXHbiH5Bby7K6KSogD0toevhrLJovMegLrnrGUzzK1fBsYwjTFlsQPji6Nhbx5l\n" +
  "woSbA4Ddz7VlLKUnnDA2gG3+FNSFSPCiY7e1+D/SIzBKynv2xp6Q2a1d1lT2uYpy\n" +
  "NykYHH6VYVle544mL48RUR3JP9n0tgq27GQeotCIgMFia6Us811WVXz1/145u4d2\n" +
  "GGtN5NRWxs5OC4NyKF28nkfj3ZB0/F2CWCv02Aogeziw/9eX9FoUlyDoD2/FUeVD\n" +
  "HQIDAQAB\n" +
  "-----END PUBLIC KEY-----\n",
  priv: "-----BEGIN RSA PRIVATE KEY-----\n" +
  "MIIEpQIBAAKCAQEA9kDZw/3AtZ2FSY1byp9A0kkJ1DJdX2iKDmE5YAaloWA92FNx\n" +
  "Q9txd5ircSyjciv6RJ+CYF1k9G/0p6B2oV2ihSXHbiH5Bby7K6KSogD0toevhrLJ\n" +
  "ovMegLrnrGUzzK1fBsYwjTFlsQPji6Nhbx5lwoSbA4Ddz7VlLKUnnDA2gG3+FNSF\n" +
  "SPCiY7e1+D/SIzBKynv2xp6Q2a1d1lT2uYpyNykYHH6VYVle544mL48RUR3JP9n0\n" +
  "tgq27GQeotCIgMFia6Us811WVXz1/145u4d2GGtN5NRWxs5OC4NyKF28nkfj3ZB0\n" +
  "/F2CWCv02Aogeziw/9eX9FoUlyDoD2/FUeVDHQIDAQABAoIBAQDuloym+Q+ip1kB\n" +
  "l4VM/xll5MAyKQ4Qp4/DOO3HHQmTHlUtaENAdLguIOxSveYqc3OK02UViseKkYJg\n" +
  "evcVh0w0ZxMfoKjOpzpNn7kkX3q58yLchhMY3yc5oF1gybjzYTLFtHZMBoU5icQI\n" +
  "giaf67q6SZKLRWsjmOPK6sVC7e+QY5sRmhaz/RlvU49BsU0TSSo6n7d7U5qLSHS8\n" +
  "suitKpo/USD/YvwT/cjmcC2DIGeu3REliMofVzbg/IK1LohunTAuS6c7yVI75x9D\n" +
  "2bK7amGJpvuO8VWvq/s/iYv1rR6VnhRoJu7C48NwqfrT+lmwNEne+H94JXvxw6x4\n" +
  "CWc/+50BAoGBAP0RzWPfsIVrcQu2ziPdBPGfut8SB8ursP39MsajDKmnFmhAXqiB\n" +
  "wQCHYwMNHwxs+mH7VBgrHsLWsmnNhLOAbC7wSbmJFLzZFm2UtuP4nSQ6+wsRkLPR\n" +
  "ARBitDoULhQkbZjr9vvHwC/tgJ3ahq2/iWeZvAAAComsw7Uak1RVrWldAoGBAPka\n" +
  "16byxq5b2cRQwRDLR01Mb2kDJFjzEA+hC9CDLCHO+17VPiD5maGJ41lnYTcsW+EU\n" +
  "IHU43ADS9cprikKeRIG4BMaH2IChM0gJ6+ppylcz642eC98sYlAS9eatnqdGjgyn\n" +
  "O9Je+z4m1aBNeisoCEgn8yVa5rTR4Ivicus6euTBAoGBAKZ33WmDLXS2NkiEWZlR\n" +
  "u/zNG3m9PI+HQwfwVERB4QSAOscdAKdLow+b/090hCYCUbm+P5UeWD/GRto+LLp/\n" +
  "EarWuUhomdGX4571olDXq1a3zYd8aHlAVLjYlMFXoO/y/n0HSxJYVV2xl1c+9jS4\n" +
  "t8QEZpyBam0hziMFdkCVk1qpAoGALI0hbolTAVIKE3NB5EgG24tFDanzMTlfcPwj\n" +
  "ico79Vv4VxCaSPl7AYoQsCeuGlkDobCg0XY22qrgLLCpDJsTs4N+zybykKbD7ilg\n" +
  "GQ+MkaYGhdBzXRmqB5osgnIgwtf6hcbPCyPTmV0GreHNbLR/LrB+avrj8gjrOPlq\n" +
  "BinyWsECgYEA4f3CxXZ/TFiOPJgf4jLwIFVd5r6swBu43sk/7DDJFcD26ptyNUqi\n" +
  "iJXxsTlCqLlDW2H0CHE3/8JmO+oFMesuaH7QaLeAWIHNiie5GdVaMgiTEty1bXmv\n" +
  "alRh1eIWthuhykgmSCQESKZTi82Jh93YO1nUbbkVaJ8jol1DKllgsKM=\n" +
  "-----END RSA PRIVATE KEY-----\n"
};

const sshpk = require('sshpk');
const REPEAT = 1000;

const someData = JSON.stringify(example_key);

function verify(data, sign) {
  const keyInfo = sshpk.parseKey(example_key.pub);
  return keyInfo
    .createVerify('sha256')
    .update(new Buffer(data, 'utf8'))
    .verify(sign, 'base64');
}

function sign(data) {
  const privateRSA = sshpk.parsePrivateKey(example_key.priv);
  return privateRSA.createSign('sha256').update(data).sign().toString();
}

for (let i = 0; i < 100; ++i) verify(someData + i, sign(someData + i));
console.log()

const someDataSigned = [];

console.time(`sign message ${REPEAT} times`)
for (let i = 1; i <= REPEAT; ++i) {
  someDataSigned[i] = sign(i + someData + i);
}
console.timeEnd(`sign message ${REPEAT} times`)

console.time(`verify message ${REPEAT} times`)
for (let i = 1; i <= REPEAT; ++i) {
  verify(i + someData + i, someDataSigned[i]);
}
console.timeEnd(`verify message ${REPEAT} times`);

On my PC the results are:

sign message 1000 times: 1393.250ms
verify message 1000 times: 135.105ms