web/cryptpad
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

export a constant for the number of required bytes at login time

Browse Source 
allocate bytes for blockSeed when changing passwords
This commit is contained in:
ansuz
2018-06-22 11:37:48 +02:00
parent da35d94f73
commit 85bcaa51f7
2 changed files with 14 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
customize.dist/login.js
View File

@@ -21,10 +21,13 @@ define([
Feedback, LocalStore, Messages, nThen, Block) {
var Exports = {
Cred: Cred,
// this is depended on by non-customizable files
// be careful when modifying login.js
requiredBytes: 192,
};
var Nacl = window.nacl;
var allocateBytes = function (bytes) {
var allocateBytes = Exports.allocateBytes = function (bytes) {
var dispense = Cred.dispenser(bytes);
var opt = {};
@@ -44,10 +47,7 @@ define([
var edSeed = opt.edSeed = dispense(32);
// 32 more bytes to seed an additional signing key
opt.blockSignSeed = dispense(32);
// 32 more bytes for a symmetric key for block encryption
opt.blockSymmetric = dispense(32);
opt.blockSeed = dispense(64);
// derive a private key from the ed seed
var signingKeypair = Nacl.sign.keyPair.fromSeed(new Uint8Array(edSeed));
@@ -121,7 +121,7 @@ define([
var RT;
nThen(function (waitFor) {
Cred.deriveFromPassphrase(uname, passwd, 192, waitFor(function (bytes) {
Cred.deriveFromPassphrase(uname, passwd, Exports.requiredBytes, waitFor(function (bytes) {
// run scrypt to derive the user's keys
res.opt = allocateBytes(bytes);
}));