mirror of https://github.com/keeweb/keeweb.git
support more memory in argon2
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5e6cb5fc4a
commit
32dcb31085
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@ -10,7 +10,7 @@ const KdbxwebInit = {
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argon2(password, salt, memory, iterations, length, parallelism, type, version) {
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const args = { password, salt, memory, iterations, length, parallelism, type, version };
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return this.loadRuntime().then(runtime => {
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return this.loadRuntime(memory).then(runtime => {
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const ts = logger.ts();
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return runtime.hash(args).then(hash => {
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logger.debug('Hash computed', logger.ts(ts));
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@ -19,7 +19,7 @@ const KdbxwebInit = {
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});
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},
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loadRuntime() {
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loadRuntime(requiredMemory) {
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if (this.runtimeModule) {
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return Promise.resolve(this.runtimeModule);
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}
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@ -32,15 +32,27 @@ const KdbxwebInit = {
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const ts = logger.ts();
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const argon2LoaderCode = require('argon2');
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const wasmBinaryBase64 = require('argon2-wasm');
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const moduleDecl = '{' +
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const KB = 1024 * 1024;
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const MB = 1024 * KB;
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const GB = 1024 * MB;
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const WASM_PAGE_SIZE = 64 * 1024;
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const totalMemory = (2 * GB - 64 * KB) / 1024 / WASM_PAGE_SIZE;
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const initialMemory = Math.min(Math.max(Math.ceil(requiredMemory * 1024 / WASM_PAGE_SIZE), 256) + 256, totalMemory);
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const memoryDecl = `var wasmMemory=new WebAssembly.Memory({initial:${initialMemory},maximum:${totalMemory}});`;
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const moduleDecl = 'var Module={' +
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'wasmJSMethod: "native-wasm",' +
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'wasmBinary: Uint8Array.from(atob("' + wasmBinaryBase64 + '"), c => c.charCodeAt(0)),' +
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'print(...args) { postMessage({op:"log",args}) },' +
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'printErr(...args) { postMessage({op:"log",args}) },' +
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'postRun:' + this.workerPostRun.toString() + ',' +
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'calcHash:' + this.calcHash.toString() + ',' +
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'wasmMemory:wasmMemory,' +
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'buffer:wasmMemory.buffer,' +
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'TOTAL_MEMORY:' + initialMemory * WASM_PAGE_SIZE +
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'}';
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const script = argon2LoaderCode.replace('var Module', 'var Module=' + moduleDecl);
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const script = argon2LoaderCode.replace('var Module', memoryDecl + moduleDecl);
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const blob = new Blob([script], {type: 'application/javascript'});
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const objectUrl = URL.createObjectURL(blob);
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const worker = new Worker(objectUrl);
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@ -60,6 +72,8 @@ const KdbxwebInit = {
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worker.postMessage(args);
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const onHashMessage = e => {
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worker.removeEventListener('message', onHashMessage);
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worker.terminate();
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KdbxwebInit.runtimeModule = null;
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if (!e.data || e.data.error || !e.data.hash) {
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const ex = e.data && e.data.error || 'unexpected error';
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logger.error('Worker error', ex);
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@ -32,6 +32,6 @@
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"FileSaver.js": "eligrey/FileSaver.js",
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"jquery": "3.1.1",
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"jsqrcode": "antelle/jsqrcode#0.1.3",
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"argon2-browser": "1.0.0"
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"argon2-browser": "1.2.0"
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}
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}
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