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Fall back to asm for CTR and CBC in old Safari

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This commit is contained in:
Daniel Huigens 2018-04-29 19:07:52 +02:00
parent b8191388cd
commit 550b758d57
4 changed files with 9 additions and 9 deletions
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4
src/crypto/cmac.js
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@ -9,7 +9,7 @@
import { AES_CBC } from 'asmcrypto.js/src/aes/cbc/exports';
import util from '../util';
const webCrypto = util.getWebCryptoAll();
const webCrypto = util.getWebCrypto();
const nodeCrypto = util.getNodeCrypto();
const Buffer = util.getNodeBuffer();
@ -75,7 +75,7 @@ export default async function CMAC(key) {
}
async function CBC(key) {
if (util.getWebCryptoAll() && key.length !== 24) { // WebCrypto (no 192 bit support) see: https://www.chromium.org/blink/webcrypto#TOC-AES-support
if (util.getWebCrypto() && key.length !== 24) { // WebCrypto (no 192 bit support) see: https://www.chromium.org/blink/webcrypto#TOC-AES-support
key = await webCrypto.importKey('raw', key, { name: 'AES-CBC', length: key.length * 8 }, false, ['encrypt']);
return async function(pt) {
const ct = await webCrypto.encrypt({ name: 'AES-CBC', iv: zeroBlock, length: blockLength * 8 }, key, pt);

4
src/crypto/eax.js
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@ -28,7 +28,7 @@ import { AES_CTR } from 'asmcrypto.js/src/aes/ctr/exports';
import CMAC from './cmac';
import util from '../util';
const webCrypto = util.getWebCryptoAll();
const webCrypto = util.getWebCrypto();
const nodeCrypto = util.getNodeCrypto();
const Buffer = util.getNodeBuffer();
@ -49,7 +49,7 @@ async function OMAC(key) {
}
async function CTR(key) {
if (util.getWebCryptoAll() && key.length !== 24) { // WebCrypto (no 192 bit support) see: https://www.chromium.org/blink/webcrypto#TOC-AES-support
if (util.getWebCrypto() && key.length !== 24) { // WebCrypto (no 192 bit support) see: https://www.chromium.org/blink/webcrypto#TOC-AES-support
key = await webCrypto.importKey('raw', key, { name: 'AES-CTR', length: key.length * 8 }, false, ['encrypt']);
return async function(pt, iv) {
const ct = await webCrypto.encrypt({ name: 'AES-CTR', counter: iv, length: blockLength * 8 }, key, pt);

6
src/openpgp.js
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@ -585,13 +585,13 @@ function onError(message, error) {
/**
* Check for native AEAD support and configuration by the user. Only
* browsers that implement the current WebCrypto specification support
* native GCM. Native EAX is built on CTR and CBC, which all browsers
* support. OCB and CFB are not natively supported.
* native GCM. Native EAX is built on CTR and CBC, which current
* browsers support. OCB and CFB are not natively supported.
* @returns {Boolean} If authenticated encryption should be used
*/
function nativeAEAD() {
return config.aead_protect && (
((config.aead_protect_version !== 4 || config.aead_mode === enums.aead.experimental_gcm) && util.getWebCrypto()) ||
(config.aead_protect_version === 4 && config.aead_mode === enums.aead.eax && util.getWebCryptoAll())
(config.aead_protect_version === 4 && config.aead_mode === enums.aead.eax && util.getWebCrypto())
);
}

4
test/general/openpgp.js
View File

@ -720,7 +720,7 @@ describe('OpenPGP.js public api tests', function() {
});
tryTests('EAX mode (native)', tests, {
if: openpgp.util.getWebCryptoAll() || openpgp.util.getNodeCrypto(),
if: openpgp.util.getWebCrypto() || openpgp.util.getNodeCrypto(),
beforeEach: function() {
openpgp.config.use_native = true;
openpgp.config.aead_protect = true;
@ -733,7 +733,7 @@ describe('OpenPGP.js public api tests', function() {
});
tryTests('EAX mode (small chunk size)', tests, {
if: openpgp.util.getWebCryptoAll() || openpgp.util.getNodeCrypto(),
if: openpgp.util.getWebCrypto() || openpgp.util.getNodeCrypto(),
beforeEach: function() {
openpgp.config.use_native = true;
openpgp.config.aead_protect = true;