init

.eslintrc.js

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+module.exports = {
+  env: {
+    commonjs: true,
+    es6: true,
+    node: true
+  },
+  extends: [
+    '@scode'
+  ],
+  globals: {
+    Atomics: 'readonly',
+    SharedArrayBuffer: 'readonly'
+  },
+  parserOptions: {
+    ecmaVersion: 2018
+  }
+}

.gitignore

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+/node_modules/
+/dist/

.npmrc

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+@scode:registry=https://npm.scode.ovh

index.js

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+/*
+ * Copyright (C) Sapphirecode - All Rights Reserved
+ * Created by Timo Hocker <timo@scode.ovh>, March 2020
+ */
+
+/* eslint-disable no-magic-numbers */
+'use strict';
+
+const argon2 = require('argon2');
+
+const argon_options = {
+  hashLength: 64,
+  saltLength: 32,
+  type:       argon2.argon2id
+};
+
+/**
+ * verify a plain text against an argon2 hash
+ *
+ * @param {string} hash argon hash
+ * @param {string} plain plain text
+ * @returns {Promise<boolean>} true if valid
+ */
+function argon_verify (hash, plain) {
+  return argon2.verify (hash, plain, argon_options);
+}
+
+/**
+ * create an argon2 hash
+ *
+ * @param {string} plain plain text
+ * @returns {Promise<string>} hash
+ */
+function argon_hash (plain) {
+  return argon2.hash (plain, argon_options);
+}
+
+module.exports = {
+  argon_hash,
+  argon_verify
+}

package.json

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+{
+  "name": "@scode/password-helper",
+  "version": "1.0.0",
+  "main": "index.js",
+  "author": "Timo Hocker <t-hocker@web.de>",
+  "license": "MIT",
+  "devDependencies": {
+    "@scode/eslint-config": "^1.2.25",
+    "ava": "^3.5.0",
+    "eslint": "^6.8.0",
+    "nyc": "^15.0.0"
+  },
+  "scripts": {
+    "lint": "eslint .",
+    "test": "nyc ava"
+  },
+  "dependencies": {
+    "argon2": "^0.26.1"
+  }
+}