Initial LisgloSIPS V2 implementation

2026-06-22 10:56:38 +08:00
commit 5fa1bd35e9
303 changed files with 35644 additions and 0 deletions
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+import argon2id from "./argon2id.js";
+
+let isSIMDSupported;
+async function wasmLoader(memory, getSIMD, getNonSIMD) {
+  const importObject = { env: { memory } };
+  if (isSIMDSupported === undefined) {
+    try {
+      const loaded = await getSIMD(importObject);
+      isSIMDSupported = true;
+      return loaded;
+    } catch(e) {
+      isSIMDSupported = false;
+    }
+  }
+
+  const loader = isSIMDSupported ? getSIMD : getNonSIMD;
+  return loader(importObject);
+}
+
+export default async function setupWasm(getSIMD, getNonSIMD) {
+  const memory = new WebAssembly.Memory({
+    // in pages of 64KiB each
+    // these values need to be compatible with those declared when building in `build-wasm`
+    initial: 1040,  // 65MB
+    maximum: 65536, // 4GB
+  });
+  const wasmModule = await wasmLoader(memory, getSIMD, getNonSIMD);
+
+  /**
+   * Argon2id hash function
+   * @callback computeHash
+   * @param {Object} params
+   * @param {Uint8Array} params.password - password
+   * @param {Uint8Array} params.salt - salt
+   * @param {Integer} params.parallelism
+   * @param {Integer} params.passes
+   * @param {Integer} params.memorySize - in kibibytes
+   * @param {Integer} params.tagLength - output tag length
+   * @param {Uint8Array} [params.ad] - associated data (optional)
+   * @param {Uint8Array} [params.secret] - secret data (optional)
+   * @return {Uint8Array} argon2id hash
+   */
+  const computeHash = (params) => argon2id(params, { instance: wasmModule.instance, memory });
+
+  return computeHash;
+}