nobleCurves, serve file for cryptography in the browser

This commit is contained in:
Sam Hadow 2025-02-19 20:48:16 +01:00
parent 295513f83b
commit da4f74b60c
10 changed files with 90 additions and 86 deletions

2
.gitignore vendored
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@ -4,3 +4,5 @@
# node.js
node_modules/
package-lock.json
# nobleCurves
src/public/noble-curves.*

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@ -1,5 +1,5 @@
run: test clean build
run: ./src/public/noble-curves.js test clean build
podman pod create --name=e2ee -p 3333:3333
podman run -d --pod=e2ee -e POSTGRES_PASSWORD="password" -e POSTGRES_DB="e2ee" -e POSTGRES_USER="e2ee" -e POSTGRES_INITDB_ARGS="--encoding=UTF-8 --lc-collate=C --lc-ctype=C" --name=e2ee-db docker.io/library/postgres:15
podman run -d --pod=e2ee -e POSTGRES_PASSWORD="password" -e POSTGRES_DB="e2ee" -e POSTGRES_USER="e2ee" -e SHARED_SECRET="toto" --name=e2ee-app e2ee-messaging-service:latest
@ -9,3 +9,7 @@ test:
npm test
clean:
podman pod rm -f e2ee
./src/public/noble-curves.js:
$(eval URL := $(shell wget -q -O - https://api.github.com/repos/paulmillr/noble-curves/releases/latest | jq -r '.assets[] | select(.name | contains("noble-curves.js")) | .browser_download_url'))
wget -O ./src/public/noble-curves.js $(URL)

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@ -1 +1,11 @@
module.exports = {presets: ['@babel/preset-env']}
module.exports = {
presets: [
['@babel/preset-env', {
targets: { node: 'current' },
modules: 'auto'
}]
],
plugins: [
'@babel/plugin-syntax-bigint',
]
};

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@ -21,6 +21,7 @@
"socket.io-client": "^4.8.1"
},
"devDependencies": {
"@babel/plugin-syntax-bigint": "^7.8.3",
"@babel/preset-env": "^7.26.8",
"jest": "^29.7.0"
}

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@ -35,6 +35,8 @@ app.use(sessionMiddleware);
app.use("/", routes);
// bootstrap
app.use('/css', express.static(__dirname + '/node_modules/bootstrap/dist/css'));
// scripts
app.use('/', express.static(__dirname + '/public'));
// socket.io
io.engine.use(sessionMiddleware);

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@ -7,33 +7,33 @@ const mainController = {
let isLoggedIn = typeof pubKey !== 'undefined';
res.render('index', {isLoggedIn, pubKey});
},
style: (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/style.css'));
},
script: (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/script.js'));
},
ecc: (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/ecc.js'));
},
ecdh: (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/ecdh.js'));
},
popups: (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/popups.js'));
},
chat : (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/chat.js'));
},
register : (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/register.js'));
},
pubkey : (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/pubkey.js'));
},
registertext : (req, res) => {
res.sendFile(path.resolve(__dirname + '/../public/registertext.js'));
}
// style: (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/style.css'));
// },
// script: (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/script.js'));
// },
// ecc: (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/ecc.js'));
// },
// ecdh: (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/ecdh.js'));
// },
// popups: (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/popups.js'));
// },
// chat : (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/chat.js'));
// },
// register : (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/register.js'));
// },
// pubkey : (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/pubkey.js'));
// },
// registertext : (req, res) => {
// res.sendFile(path.resolve(__dirname + '/../public/registertext.js'));
// }
};
module.exports = mainController;

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@ -1,9 +1,9 @@
// X25519 aka ECDH on Curve25519 from [RFC7748](https://www.rfc-editor.org/rfc/rfc7748)
import { x25519 } from '@noble/curves/ed25519';
// X25519
// aka ECDH on Curve25519 from [RFC7748](https://www.rfc-editor.org/rfc/rfc7748)
export function genKeys() {
const priv = x25519.utils.randomPrivateKey();
const pub = x25519.getPublicKey(priv);
const priv = nobleCurves.x25519.utils.randomPrivateKey();
const pub = nobleCurves.x25519.getPublicKey(priv);
return {
privkey: priv,
pubkey: pub
@ -11,5 +11,5 @@ export function genKeys() {
}
export function sharedKey(priv, pub) {
return x25519.getSharedSecret(priv, pub);
return nobleCurves.x25519.getSharedSecret(priv, pub);
}

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@ -6,40 +6,40 @@ router
.route("/")
.get(mainController.root);
router
.route("/style.css")
.get(mainController.style);
router
.route("/script.js")
.get(mainController.script);
router
.route("/ecc.js")
.get(mainController.ecc);
router
.route("/ecdh.js")
.get(mainController.ecdh);
router
.route("/popups.js")
.get(mainController.popups);
router
.route("/chat.js")
.get(mainController.chat);
router
.route("/register.js")
.get(mainController.register);
router
.route("/pubkey.js")
.get(mainController.pubkey);
router
.route("/registertext.js")
.get(mainController.registertext);
// router
// .route("/style.css")
// .get(mainController.style);
//
// router
// .route("/script.js")
// .get(mainController.script);
//
// router
// .route("/ecc.js")
// .get(mainController.ecc);
//
// router
// .route("/ecdh.js")
// .get(mainController.ecdh);
//
// router
// .route("/popups.js")
// .get(mainController.popups);
//
// router
// .route("/chat.js")
// .get(mainController.chat);
//
// router
// .route("/register.js")
// .get(mainController.register);
//
// router
// .route("/pubkey.js")
// .get(mainController.pubkey);
//
// router
// .route("/registertext.js")
// .get(mainController.registertext);
module.exports = router;

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@ -10,8 +10,9 @@ html(lang="en-US")
script(type="module", src="/ecc.js", defer)
if isLoggedIn
script(src="/chat.js", defer)
script(src="/ecdh.js", defer)
script(src="/pubkey.js", defer)
script(src="/noble-curves.js", defer)
script(type="module", src="/ecdh.js", defer)
else
script(type="module", src="/popups.js", defer)
script(type="module", src="/register.js", defer)

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@ -1,16 +0,0 @@
import { genKeys, sharedKey } from '../src/public/ecdh.js';
import { arrayToHex } from '../src/stringutils.js';
describe('ecdh.js functions', () => {
it('key exchange test', () => {
const keysA= genKeys();
const keysB = genKeys();
const sharedA = sharedKey(keysA.privkey, keysB.pubkey);
const sharedB = sharedKey(keysB.privkey, keysA.pubkey);
const sharedAhex = arrayToHex(sharedA);
const sharedBhex = arrayToHex(sharedB);
expect(sharedAhex).toBe(sharedBhex);
});
});