Argon2 WebAssembly

Argon2 (with Argon2u support) run as WebAssembly.

Install

npm install --save argon2-wasm

Usage

import argon2 from 'argon2-wasm';
argon2.hash({pass: 'password', salt: 'somesalt', distPath: 'dist'}).then(console.log);
/* Logs:
{ hash:
   Uint8Array [ ... ],
  hashHex:
   'f38afe1266d247cf1f6f836ffdbb0ab946c0a7edbcb4ba6e7324b32b9050441e',
  encoded:
   '$argon2d$v=19$m=1024,t=10,p=1$c29tZXNhbHQ$84r+EmbSR88fb4Nv/bsKuUbAp+28tLpucySzK5BQRB4' }
*/

The input object has the following parameters and defaults:

{string}  pass                password string
{string}  salt                salt string
{float}   time        (1)     the number of iterations
{float}   mem         (1024)  used memory, in KiB
{float}   hashLen     (24)    desired hash length
{float}   parallelism (1)     desired parallelism (will be computed in parallel only for PNaCl)
{number}  type        (argon2.types.Argon2d)   hash type: argon2.ArgonType.Argon2d, .Argon2i, .Argon2id or .Argon2u
{string}  distPath    ('.')   asm.js script location, without trailing slash

Building

Prerequisites:

• emscripten with WebAssembly support (howto)
• CMake

Use the provided build script:

./build.sh

You can also use npm run-script build, which will call that directly.

License

MIT