bcrypt-wasi

Usage

import { WASI } from "@cloudflare/workers-wasi";
import bcrypt from './bcrypt-wasi.wasm';
export async function invoke(args: string[]) {
 const stdout = new TransformStream();
 const stderr = new TransformStream();
 const wasi = new WASI({
 args: ["bcrypt-wasi.wasm", ...args],
 stdout: stdout.writable,
 stderr: stderr.writable,
 });
 const instance = new WebAssembly.Instance(bcrypt, {
 wasi_snapshot_preview1: wasi.wasiImport,
 });
 await wasi.start(instance);
 const errors = await stderr.readable.getReader().read();
 const errorsValue = new TextDecoder().decode(errors.value);
 if (errorsValue) {
 console.error('[invoke] stderr: ', errorsValue);
 throw new Error(errorsValue);
 }
 const ret = await stdout.readable.getReader().read();
 const retValue = new TextDecoder().decode(ret.value);
 return retValue.trim();
}
export async function bcryptHash(password: string, rounds: number = 9): Promise<string> {
 return await invoke(["hash", password, rounds.toString()]);
}
export async function bcryptVerify(password: string, hash: string): Promise<boolean> {
 return await invoke(["verify", password, hash]) === "true";
}

License