0.18.0 • Published 7 years ago
ec-pem v0.18.0
ec_pem
Enables crypto.sign
and crypto.verify
using crypto.createECDH
generated keys
Use
const crypto = require('crypto');
const ec_pem = require('ec-pem');
let alice_pem_private, alice_pem_public;
{
let curve = 'secp521r1'
let alice = crypto.createECDH(curve);
alice.generateKeys();
alice = ec_pem(alice, curve);
alice_pem_private = alice.encodePrivateKey();
// console.log(alice_pem_private);
alice_pem_public = alice.encodePublicKey();
// console.log(alice_pem_public);
}
const data = Buffer.from('a message to sign');
let signature;
{
const sign = crypto.createSign('sha256');
sign.update(data);
signature = sign.sign(alice_pem_private);
// console.log({signature})
}
{
const verify = crypto.createVerify('sha256');
verify.update(data);
const matched = verify.verify(alice_pem_public, signature);
// console.log({matched})
if (!matched)
throw new Error("Verification failed");
}
Use ec_pem/cert
const https = require('https');
const ec_pem = require('ec-pem');
const ec_cert = require('ec-pem/cert');
const tls_options = ec_cert.createSelfSignedCertificate('example.com',
{ ec: ec_pem.generate('prime256v1'),
days: 30, altNames: ['example.com', 'www.example.com', '1.234.56.255'] })
demo_https_server(tls_options)
function demo_https_server(tls_options) {
let svr = tls_options
.then(options => https.createServer(options) )
.then(svr => {
svr.on('secureConnection', sock => console.log("New secure connection"));
svr.on('request', (req,res) => {
res.writeHead(200);
res.end('hello world\n');
});
return svr })
.then(svr => new Promise((resolve, reject) =>
svr.listen(8443, '127.0.0.1',
(err) => err ? reject(err) : resolve(svr))))
svr.then(() =>
https.get(
{hostname: '127.0.0.1', port:8443, pathname:'/', rejectUnauthorized: false},
res => { console.log(res.statusCode) }))
}
Use ec_pem/local_cert
const https = require('https');
const ec_localcert = require('ec-pem/local_cert');
const tls_options = ec_localcert('tls_local.json')
demo_https_server(tls_options)
or
const https = require('https');
const ec_localcert = require('ec-pem/local_cert');
const tls_options = ec_localcert('tls_local.json', ({ec_cert, ec_pem}) =>
ec_cert.createSelfSignedCertificate('localhost.dev', {
ec: ec_pem.generate('prime256v1'),
days: 3660, // 10 years
altNames: ['localhost.dev', 'localhost', '127.0.0.1'],
}))
demo_https_server(tls_options)
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