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This commit is contained in:
Emily 2018-07-06 15:49:50 -07:00
parent 62ed0a411f
commit f98bc0878c
14 changed files with 136 additions and 201 deletions
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30
app/keychain.js
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@ -9,14 +9,14 @@ export default class Keychain {
if (ivB64) {
this.iv = b64ToArray(ivB64);
} else {
this.iv = window.crypto.getRandomValues(new Uint8Array(12));
this.iv = crypto.getRandomValues(new Uint8Array(12));
}
if (secretKeyB64) {
this.rawSecret = b64ToArray(secretKeyB64);
} else {
this.rawSecret = window.crypto.getRandomValues(new Uint8Array(16));
this.rawSecret = crypto.getRandomValues(new Uint8Array(16));
}
this.secretKeyPromise = window.crypto.subtle.importKey(
this.secretKeyPromise = crypto.subtle.importKey(
'raw',
this.rawSecret,
'HKDF',
@ -24,7 +24,7 @@ export default class Keychain {
['deriveKey']
);
this.encryptKeyPromise = this.secretKeyPromise.then(function(secretKey) {
return window.crypto.subtle.deriveKey(
return crypto.subtle.deriveKey(
{
name: 'HKDF',
salt: new Uint8Array(),
@ -41,7 +41,7 @@ export default class Keychain {
);
});
this.metaKeyPromise = this.secretKeyPromise.then(function(secretKey) {
return window.crypto.subtle.deriveKey(
return crypto.subtle.deriveKey(
{
name: 'HKDF',
salt: new Uint8Array(),
@ -58,7 +58,7 @@ export default class Keychain {
);
});
this.authKeyPromise = this.secretKeyPromise.then(function(secretKey) {
return window.crypto.subtle.deriveKey(
return crypto.subtle.deriveKey(
{
name: 'HKDF',
salt: new Uint8Array(),
@ -91,12 +91,12 @@ export default class Keychain {
}
setPassword(password, shareUrl) {
this.authKeyPromise = window.crypto.subtle
this.authKeyPromise = crypto.subtle
.importKey('raw', encoder.encode(password), { name: 'PBKDF2' }, false, [
'deriveKey'
])
.then(passwordKey =>
window.crypto.subtle.deriveKey(
crypto.subtle.deriveKey(
{
name: 'PBKDF2',
salt: encoder.encode(shareUrl),
@ -115,7 +115,7 @@ export default class Keychain {
}
setAuthKey(authKeyB64) {
this.authKeyPromise = window.crypto.subtle.importKey(
this.authKeyPromise = crypto.subtle.importKey(
'raw',
b64ToArray(authKeyB64),
{
@ -129,13 +129,13 @@ export default class Keychain {
async authKeyB64() {
const authKey = await this.authKeyPromise;
const rawAuth = await window.crypto.subtle.exportKey('raw', authKey);
const rawAuth = await crypto.subtle.exportKey('raw', authKey);
return arrayToB64(new Uint8Array(rawAuth));
}
async authHeader() {
const authKey = await this.authKeyPromise;
const sig = await window.crypto.subtle.sign(
const sig = await crypto.subtle.sign(
{
name: 'HMAC'
},
@ -147,7 +147,7 @@ export default class Keychain {
async encryptFile(plaintext) {
const encryptKey = await this.encryptKeyPromise;
const ciphertext = await window.crypto.subtle.encrypt(
const ciphertext = await crypto.subtle.encrypt(
{
name: 'AES-GCM',
iv: this.iv,
@ -161,7 +161,7 @@ export default class Keychain {
async encryptMetadata(metadata) {
const metaKey = await this.metaKeyPromise;
const ciphertext = await window.crypto.subtle.encrypt(
const ciphertext = await crypto.subtle.encrypt(
{
name: 'AES-GCM',
iv: new Uint8Array(12),
@ -194,7 +194,7 @@ export default class Keychain {
async decryptFile(ciphertext) {
const encryptKey = await this.encryptKeyPromise;
const plaintext = await window.crypto.subtle.decrypt(
const plaintext = await crypto.subtle.decrypt(
{
name: 'AES-GCM',
iv: this.iv,
@ -208,7 +208,7 @@ export default class Keychain {
async decryptMetadata(ciphertext) {
const metaKey = await this.metaKeyPromise;
const plaintext = await window.crypto.subtle.decrypt(
const plaintext = await crypto.subtle.decrypt(
{
name: 'AES-GCM',
iv: new Uint8Array(12),