Add supporting javascript files for pgp and hoba.
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src/assets/js/hoba-pgp.js
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src/assets/js/hoba-pgp.js
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import {hobaResult, hobaToSign} from "./hoba.js";
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const alg = '969';
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export async function signChallenge(challenge, realm, origin, keyStore) {
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const fingerprint = keyStore.fingerprint();
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const nonce_array = new Uint8Array(32);
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crypto.getRandomValues(nonce_array);
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const kid_array = fingerprint;
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const a_kid = btoa(String.fromCharCode.apply(null, kid_array));
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const a_nonce = btoa(String.fromCharCode.apply(null, nonce_array));
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const a_challenge = btoa(challenge);
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const message = hobaToSign(a_nonce, a_kid, a_challenge, realm, origin, alg);
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console.debug('message to sign', challenge, realm, origin, message);
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const signature = await keyStore.sign(message);
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const a_signature = btoa(signature);
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const result = hobaResult(a_nonce, a_kid, a_challenge, a_signature);
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console.debug('result', result);
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return result;
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}
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src/assets/js/hoba.js
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src/assets/js/hoba.js
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export function hobaResult(nonce, kid, challenge, signature) {
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return nonce + '.' + kid + '.' + challenge + '.' + signature;
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}
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export function hobaToSign(nonce, kid, challenge, realm, origin, alg) {
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var s = '';
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var params = [nonce, alg, origin, realm, kid, challenge];
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for (var i = 0; i < params.length; i++) {
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s += params[i].length + ':' + params[i];
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}
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return s
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}
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export function hobaParseChallengeHeader(s) {
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const auth_parts = s.split(" ");
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const auth_pairs = auth_parts[1].split(",");
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let auth_values = {}
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for (var i = 0; i < auth_pairs.length; i++) {
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var auth_kv = auth_pairs[i].split(/^([^=]+)="(.+)"/);
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auth_values[auth_kv[1]] = auth_kv[2];
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}
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console.debug('challenge b64', auth_values['challenge']);
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const challenge_bytes = atob(auth_values['challenge']);
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console.debug('challenge bytes', challenge_bytes);
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return {
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challenge: challenge_bytes,
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realm: auth_values['realm'],
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};
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}
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src/assets/js/openpgp.min.js
vendored
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2
src/assets/js/openpgp.min.js
vendored
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