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Automatically load SIMD binary for argon2 (#4921)

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This commit is contained in:
Bernd Schoolmann
2023-06-12 20:59:59 +02:00
committed by GitHub
parent 0ab982038c
commit cd85a4c039
4 changed files with 264 additions and 15 deletions
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63
patches/argon2-browser+1.18.0.patch Normal file
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@@ -0,0 +1,63 @@
diff --git a/node_modules/argon2-browser/lib/argon2.js b/node_modules/argon2-browser/lib/argon2.js
index ffa77a5..b498e2d 100644
--- a/node_modules/argon2-browser/lib/argon2.js
+++ b/node_modules/argon2-browser/lib/argon2.js
@@ -78,16 +78,27 @@
if (global.loadArgon2WasmBinary) {
return global.loadArgon2WasmBinary();
}
+
+ const simd = checkIfSIMDSupported();
+
if (typeof require === 'function') {
- return Promise.resolve(require('../dist/argon2.wasm')).then(
- (wasmModule) => {
- return decodeWasmBinary(wasmModule);
- }
- );
+ if (simd) {
+ return Promise.resolve(require('../dist/argon2-simd.wasm')).then(
+ (wasmModule) => {
+ return decodeWasmBinary(wasmModule);
+ }
+ );
+ } else {
+ return Promise.resolve(require('../dist/argon2.wasm')).then(
+ (wasmModule) => {
+ return decodeWasmBinary(wasmModule);
+ }
+ );
+ }
}
const wasmPath =
global.argon2WasmPath ||
- 'node_modules/argon2-browser/dist/argon2.wasm';
+ 'node_modules/argon2-browser/dist/argon2' + (simd? "-simd" : "") + '.wasm';
return fetch(wasmPath)
.then((response) => response.arrayBuffer())
.then((ab) => new Uint8Array(ab));
@@ -354,6 +365,24 @@
}
}
+ // ref: https://stackoverflow.com/a/47880734/1090359
+ // ref: https://github.com/GoogleChromeLabs/wasm-feature-detect/blob/main/src/detectors/simd/module.wat (translated with wat2wasm)
+ function checkIfSIMDSupported() {
+ try {
+ if (typeof WebAssembly === "object" && typeof WebAssembly.instantiate === "function") {
+ const module = new WebAssembly.Module(
+ Uint8Array.of(0x00, 0x61, 0x73, 0x6d, 0x01, 0x00, 0x00, 0x00, 0x01, 0x05, 0x01, 0x60, 0x00, 0x01, 0x7b, 0x03, 0x02, 0x01, 0x00, 0x0a, 0x0a, 0x01, 0x08, 0x00, 0x41, 0x00, 0xfd, 0x0f, 0xfd, 0x62, 0x0b)
+ );
+ if (module instanceof WebAssembly.Module) {
+ return new WebAssembly.Instance(module) instanceof WebAssembly.Instance;
+ }
+ }
+ } catch {
+ return false;
+ }
+ return false;
+ }
+
return {
ArgonType,
hash: argon2Hash,