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refactor: convert to native esm #261

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refactor: convert to native esm #261

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154 changes: 8 additions & 146 deletions .eslintrc
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Original file line number Diff line number Diff line change
@@ -1,150 +1,12 @@
{
'env': { // https://eslint.org/docs/user-guide/configuring.html#specifying-environments
'node': true,
'browser': true,
'shared-node-browser': true
"env": {
"browser": true,
"es2022": true,
"node": true
},
'globals': {
'Uint8Array': true,
'Uint16Array': true,
'Uint32Array': true,
'Int32Array': true,
'Float64Array': true
},
'rules': {
/**
* Strict mode
*/
'strict': 0, // https://eslint.org/docs/rules/strict

/**
* Variables
*/
'no-shadow': 2, // https://eslint.org/docs/rules/no-shadow
'no-shadow-restricted-names': 2, // https://eslint.org/docs/rules/no-shadow-restricted-names
'no-undef': 2, // https://eslint.org/docs/rules/no-undef
'no-unused-vars': [2, { // https://eslint.org/docs/rules/no-unused-vars
'vars': 'local',
'args': 'after-used'
}],
'no-use-before-define': 2, // https://eslint.org/docs/rules/no-use-before-define

/**
* Possible errors
*/
'comma-dangle': [2, 'never'], // https://eslint.org/docs/rules/comma-dangle
'no-cond-assign': 0, // https://eslint.org/docs/rules/no-cond-assign
'no-console': 0, // https://eslint.org/docs/rules/no-console
'no-debugger': 1, // https://eslint.org/docs/rules/no-debugger
'no-alert': 1, // https://eslint.org/docs/rules/no-alert
'no-constant-condition': 1, // https://eslint.org/docs/rules/no-constant-condition
'no-dupe-keys': 2, // https://eslint.org/docs/rules/no-dupe-keys
'no-duplicate-case': 2, // https://eslint.org/docs/rules/no-duplicate-case
'no-empty': 2, // https://eslint.org/docs/rules/no-empty
'no-ex-assign': 2, // https://eslint.org/docs/rules/no-ex-assign
'no-extra-boolean-cast': 0, // https://eslint.org/docs/rules/no-extra-boolean-cast
'no-extra-semi': 2, // https://eslint.org/docs/rules/no-extra-semi
'no-func-assign': 2, // https://eslint.org/docs/rules/no-func-assign
'no-inner-declarations': 2, // https://eslint.org/docs/rules/no-inner-declarations
'no-invalid-regexp': 2, // https://eslint.org/docs/rules/no-invalid-regexp
'no-irregular-whitespace': 2, // https://eslint.org/docs/rules/no-irregular-whitespace
'no-obj-calls': 2, // https://eslint.org/docs/rules/no-obj-calls
'no-sparse-arrays': 2, // https://eslint.org/docs/rules/no-sparse-arrays
'no-unreachable': 2, // https://eslint.org/docs/rules/no-unreachable
'use-isnan': 2, // https://eslint.org/docs/rules/use-isnan
'block-scoped-var': 2, // https://eslint.org/docs/rules/block-scoped-var

/**
* Best practices
*/
'consistent-return': 2, // https://eslint.org/docs/rules/consistent-return
'curly': 0, // https://eslint.org/docs/rules/curly
'default-case': 2, // https://eslint.org/docs/rules/default-case
'dot-notation': [2, { // https://eslint.org/docs/rules/dot-notation
'allowKeywords': true
}],
'eqeqeq': 2, // https://eslint.org/docs/rules/eqeqeq
'guard-for-in': 2, // https://eslint.org/docs/rules/guard-for-in
'no-caller': 2, // https://eslint.org/docs/rules/no-caller
'no-else-return': 0, // https://eslint.org/docs/rules/no-else-return
'no-eq-null': 2, // https://eslint.org/docs/rules/no-eq-null
'no-eval': 2, // https://eslint.org/docs/rules/no-eval
'no-extend-native': 2, // https://eslint.org/docs/rules/no-extend-native
'no-extra-bind': 2, // https://eslint.org/docs/rules/no-extra-bind
'no-fallthrough': 2, // https://eslint.org/docs/rules/no-fallthrough
'no-floating-decimal': 2, // https://eslint.org/docs/rules/no-floating-decimal
'no-implied-eval': 2, // https://eslint.org/docs/rules/no-implied-eval
'no-lone-blocks': 2, // https://eslint.org/docs/rules/no-lone-blocks
'no-loop-func': 2, // https://eslint.org/docs/rules/no-loop-func
'no-multi-str': 2, // https://eslint.org/docs/rules/no-multi-str
'no-native-reassign': 2, // https://eslint.org/docs/rules/no-native-reassign
'no-new': 2, // https://eslint.org/docs/rules/no-new
'no-new-func': 2, // https://eslint.org/docs/rules/no-new-func
'no-new-wrappers': 2, // https://eslint.org/docs/rules/no-new-wrappers
'no-octal': 2, // https://eslint.org/docs/rules/no-octal
'no-octal-escape': 2, // https://eslint.org/docs/rules/no-octal-escape
'no-param-reassign': 0, // https://eslint.org/docs/rules/no-param-reassign
'no-proto': 2, // https://eslint.org/docs/rules/no-proto
'no-redeclare': 2, // https://eslint.org/docs/rules/no-redeclare
'no-return-assign': 2, // https://eslint.org/docs/rules/no-return-assign
'no-script-url': 2, // https://eslint.org/docs/rules/no-script-url
'no-self-compare': 2, // https://eslint.org/docs/rules/no-self-compare
'no-sequences': 2, // https://eslint.org/docs/rules/no-sequences
'no-throw-literal': 2, // https://eslint.org/docs/rules/no-throw-literal
'no-with': 2, // https://eslint.org/docs/rules/no-with
'radix': 2, // https://eslint.org/docs/rules/radix
'vars-on-top': 0, // https://eslint.org/docs/rules/vars-on-top
'wrap-iife': [2, 'any'], // https://eslint.org/docs/rules/wrap-iife
'yoda': 2, // https://eslint.org/docs/rules/yoda

/**
* Style
*/
'indent': 0, // https://eslint.org/docs/rules/indent
'brace-style': [
2, // https://eslint.org/docs/rules/brace-style
'1tbs', {
'allowSingleLine': true
}
],
'quotes': [
2, 'single', 'avoid-escape' // https://eslint.org/docs/rules/quotes
],
'camelcase': 0,
'comma-spacing': 0,
'comma-style': [2, 'last'], // https://eslint.org/docs/rules/comma-style
'eol-last': 2, // https://eslint.org/docs/rules/eol-last
'func-names': 0, // https://eslint.org/docs/rules/func-names
'key-spacing': [2, { // https://eslint.org/docs/rules/key-spacing
'beforeColon': false,
'afterColon': true
}],
'new-cap': [0, { // https://eslint.org/docs/rules/new-cap
'newIsCap': true
}],
'no-multiple-empty-lines': [2, { // https://eslint.org/docs/rules/no-multiple-empty-lines
'max': 2
}],
'no-nested-ternary': 2, // https://eslint.org/docs/rules/no-nested-ternary
'no-new-object': 2, // https://eslint.org/docs/rules/no-new-object
'no-spaced-func': 2, // https://eslint.org/docs/rules/no-spaced-func
'no-trailing-spaces': 2, // https://eslint.org/docs/rules/no-trailing-spaces
'no-extra-parens': [2, 'functions'], // https://eslint.org/docs/rules/no-extra-parens
'no-underscore-dangle': 0, // https://eslint.org/docs/rules/no-underscore-dangle
'one-var': 0, // https://eslint.org/docs/rules/one-var
'padded-blocks': 0, // https://eslint.org/docs/rules/padded-blocks
'semi': [2, 'always'], // https://eslint.org/docs/rules/semi
'semi-spacing': [2, { // https://eslint.org/docs/rules/semi-spacing
'before': false,
'after': true
}],
'space-after-keywords': 0, // https://eslint.org/docs/rules/space-after-keywords
'space-before-blocks': 2, // https://eslint.org/docs/rules/space-before-blocks
'space-before-function-paren': [2, 'never'], // https://eslint.org/docs/rules/space-before-function-paren
'space-infix-ops': 0, // https://eslint.org/docs/rules/space-infix-ops
'spaced-comment': [2, 'always', {// https://eslint.org/docs/rules/spaced-comment
'exceptions': ['-', '+'],
'markers': ['=', '!', 'global', 'TODO', 'XXX', 'BUG'] // space here to support sprockets directives
}],
"extends": "eslint:recommended",
"parserOptions": {
"sourceType": "module",
"ecmaVersion": 2022
}
}
56 changes: 56 additions & 0 deletions lib/box.js
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import {checkArrayTypes} from './utils.js';
import {
crypto_box_BEFORENMBYTES,
crypto_box_NONCEBYTES,
crypto_box_PUBLICKEYBYTES,
crypto_box_SECRETKEYBYTES
} from './constants.js';
import {crypto_box_beforenm, crypto_box_keypair, crypto_scalarmult_base} from './crypto.js';
import {secretbox} from './secretbox.js';
function checkBoxLengths(pk, sk) {
if (pk.length !== crypto_box_PUBLICKEYBYTES) throw new Error('bad public key size');
if (sk.length !== crypto_box_SECRETKEYBYTES) throw new Error('bad secret key size');
}
export function box(msg, nonce, publicKey, secretKey) {
const k = box.before(publicKey, secretKey);
return secretbox(msg, nonce, k);
}

box.before = function(publicKey, secretKey) {
checkArrayTypes(publicKey, secretKey);
checkBoxLengths(publicKey, secretKey);
const k = new Uint8Array(crypto_box_BEFORENMBYTES);
crypto_box_beforenm(k, publicKey, secretKey);
return k;
};

box.after = secretbox;

box.open = function(msg, nonce, publicKey, secretKey) {
const k = box.before(publicKey, secretKey);
return secretbox.open(msg, nonce, k);
};

box.open.after = secretbox.open;

box.keyPair = function() {
const pk = new Uint8Array(crypto_box_PUBLICKEYBYTES);
const sk = new Uint8Array(crypto_box_SECRETKEYBYTES);
crypto_box_keypair(pk, sk);
return {publicKey: pk, secretKey: sk};
};

box.keyPair.fromSecretKey = function(secretKey) {
checkArrayTypes(secretKey);
if (secretKey.length !== crypto_box_SECRETKEYBYTES)
throw new Error('bad secret key size');
const pk = new Uint8Array(crypto_box_PUBLICKEYBYTES);
crypto_scalarmult_base(pk, secretKey);
return {publicKey: pk, secretKey: new Uint8Array(secretKey)};
};

box.publicKeyLength = crypto_box_PUBLICKEYBYTES;
box.secretKeyLength = crypto_box_SECRETKEYBYTES;
box.sharedKeyLength = crypto_box_BEFORENMBYTES;
box.nonceLength = crypto_box_NONCEBYTES;
box.overheadLength = secretbox.overheadLength;
17 changes: 17 additions & 0 deletions lib/constants.js
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export const crypto_secretbox_KEYBYTES = 32,
crypto_secretbox_NONCEBYTES = 24,
crypto_secretbox_ZEROBYTES = 32,
crypto_secretbox_BOXZEROBYTES = 16,
crypto_scalarmult_BYTES = 32,
crypto_scalarmult_SCALARBYTES = 32,
crypto_box_PUBLICKEYBYTES = 32,
crypto_box_SECRETKEYBYTES = 32,
crypto_box_BEFORENMBYTES = 32,
crypto_box_NONCEBYTES = crypto_secretbox_NONCEBYTES,
crypto_box_ZEROBYTES = crypto_secretbox_ZEROBYTES,
crypto_box_BOXZEROBYTES = crypto_secretbox_BOXZEROBYTES,
crypto_sign_BYTES = 64,
crypto_sign_PUBLICKEYBYTES = 32,
crypto_sign_SECRETKEYBYTES = 64,
crypto_sign_SEEDBYTES = 32,
crypto_hash_BYTES = 64;
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