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35
node_modules/futoin-hkdf/CHANGELOG.txt
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35
node_modules/futoin-hkdf/CHANGELOG.txt
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|
||||
=== 1.3.1 (2020-01-10) ===
|
||||
FIXED: clarified hash parameter for advanced usage
|
||||
|
||||
=== 1.3.0 (2019-12-24) ===
|
||||
CHANGED: fixed TypeScript definitions
|
||||
CHANGED: updated deps
|
||||
|
||||
=== 1.2.1 (2019-09-27) ===
|
||||
CHANGED: deps maintenance
|
||||
|
||||
=== 1.2.0 (2019-08-01) ===
|
||||
NEW: TypeScript bindings
|
||||
|
||||
=== 1.1.0 (2019-07-14) ===
|
||||
CHANGED: dependency maintenance
|
||||
CHANGED: dropped Node v6 support
|
||||
NEW: hardcoded SHA3 lengths and length caching for unknown algos
|
||||
|
||||
=== 1.0.3 (2019-01-11) ===
|
||||
CHANGED: dependency maintenance
|
||||
|
||||
=== 1.0.2 (2018-08-11) ===
|
||||
CHANGED: dependency maintenance
|
||||
|
||||
=== 1.0.1 (2018-04-23) ===
|
||||
FIXED: to allow maximum length of 255 steps for ORM
|
||||
- Thanks to https://github.com/davidjludwig
|
||||
for reporting https://github.com/futoin/util-js-hkdf/issues/1
|
||||
and providing a fix.
|
||||
|
||||
=== 1.0.0 (2018-01-12) ===
|
||||
No changes. Going final.
|
||||
|
||||
=== 0.9.0 (2018-01-12) ===
|
||||
Initial version
|
||||
202
node_modules/futoin-hkdf/LICENSE
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202
node_modules/futoin-hkdf/LICENSE
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||||
|
||||
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169
node_modules/futoin-hkdf/README.md
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169
node_modules/futoin-hkdf/README.md
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||||
|
||||
[](https://www.npmjs.com/package/futoin-hkdf)
|
||||
[](https://www.npmjs.com/package/futoin-hkdf)
|
||||
[](https://travis-ci.org/futoin/util-js-hkdf)
|
||||
[](https://www.npmjs.com/package/futoin-hkdf)
|
||||
|
||||
[](https://nodei.co/npm/futoin-hkdf/)
|
||||
|
||||
|
||||
# About
|
||||
|
||||
Node.js implementation of [RFC5869: HMAC-based Extract-and-Expand Key Derivation Function (HKDF)](https://tools.ietf.org/html/rfc5869).
|
||||
|
||||
The implementation is fully compliant with test vectors provided in the RFC.
|
||||
|
||||
There are alternative modules, but they are:
|
||||
* much less performing and/or
|
||||
* have quite poor code quality at the moment and/or
|
||||
* are not compliant with RFC (e.g. work only with string parameters) and/or
|
||||
* not working with current Node.js versions and/or
|
||||
* do not support arbitrary hash functions and/or
|
||||
* not reliable dependency for FutoIn Security concept in general.
|
||||
|
||||
Standalone HKDF `extract()` and `expand()` actions are also available for advanced usage.
|
||||
|
||||
**Documentation** --> [FutoIn Guide](https://futoin.org/docs/miscjs/hkdf/)
|
||||
|
||||
Author: [Andrey Galkin](mailto:andrey@futoin.org)
|
||||
|
||||
# Performance comparison
|
||||
|
||||
The figures in "derived keys per second".
|
||||
|
||||
* **futoin-hkdf** - **74 642**
|
||||
- fully compliant
|
||||
* `node-hdkf`/`hdkf` modules - *57 707* (~22% slower)
|
||||
- seems to be broken by design
|
||||
- **produces wrong results with RFC test vectors**
|
||||
* `ctrlpanel-hdkf` - *52 181* (~30% slower)
|
||||
- seems to be compliant
|
||||
* `@stablelib/hkdf` - *39 808* (~46% slower)
|
||||
- seems to be compliant
|
||||
|
||||
# Installation for Node.js
|
||||
|
||||
Command line:
|
||||
```sh
|
||||
$ npm install futoin-hkdf --save
|
||||
```
|
||||
or:
|
||||
|
||||
```sh
|
||||
$ yarn add futoin-hkdf --save
|
||||
```
|
||||
|
||||
# Examples
|
||||
|
||||
```javascript
|
||||
const hkdf = require('futoin-hkdf');
|
||||
|
||||
// Parameter overview
|
||||
//-------------------
|
||||
// initial keying material
|
||||
const ikm = 'string-or-buffer';
|
||||
// required output length in bytes
|
||||
const length = 16;
|
||||
// can be empty string or false equivalent
|
||||
const salt = 'strongly-encouraged';
|
||||
// optional parameter
|
||||
const info = 'optional-context';
|
||||
// HMAC hashing algorithm to use
|
||||
const hash = 'SHA-256';
|
||||
|
||||
// Generic derivation
|
||||
//-------------------
|
||||
hkdf(ikm, length, {salt, info, hash}); // Buffer(length) - derived key
|
||||
hkdf(ikm, length, {salt, info, hash}).toString('hex'); // String(2*length)
|
||||
|
||||
// NOTE: all optional paramaters are passed in object
|
||||
|
||||
// With some parameters omitted
|
||||
//-------------------
|
||||
hkdf(ikm, length, {salt});
|
||||
hkdf(ikm, length, {info});
|
||||
hkdf(ikm, length, {hash});
|
||||
hkdf(ikm, length);
|
||||
|
||||
// Advanced usage (only if you know what you are doing)
|
||||
//-------------------
|
||||
|
||||
// As in underlying Node.js crypto library
|
||||
const lhash = hash.toLowerCase().replace( '-', '' ); // 'sha256'
|
||||
|
||||
hkdf.hash_length(lhash); // get hash_len
|
||||
hkdf.extract(lhash, hash_len, ikm, salt); // run only step #1
|
||||
hkdf.expand(lhash, hash_len. prk, length, info); // run only step #2
|
||||
```
|
||||
|
||||
# API documentation
|
||||
|
||||
<a name="hkdf"></a>
|
||||
|
||||
## hkdf(ikm, length, salt, info, hash) ⇒ <code>Buffer</code>
|
||||
HMAC-based Extract-and-Expand Key Derivation Function (HKDF)
|
||||
|
||||
**Kind**: global function
|
||||
**Returns**: <code>Buffer</code> - Raw buffer with derived key of @p length bytes
|
||||
|
||||
| Param | Type | Default | Description |
|
||||
| --- | --- | --- | --- |
|
||||
| ikm | <code>Buffer</code> \| <code>string</code> | | Initial Keying Material |
|
||||
| length | <code>integer</code> | | Required byte length of output |
|
||||
| salt | <code>Buffer</code> \| <code>string</code> | <code>''</code> | Optional salt (recommended) |
|
||||
| info | <code>Buffer</code> \| <code>string</code> | <code>''</code> | Optional context (safe to skip) |
|
||||
| hash | <code>string</code> | <code>"'SHA-256'"</code> | HMAC hash function to use |
|
||||
|
||||
|
||||
* [hkdf(ikm, length, salt, info, hash)](#hkdf) ⇒ <code>Buffer</code>
|
||||
* [.hash_length(hash)](#hkdf.hash_length) ⇒ <code>integer</code>
|
||||
* [.extract(hash, hash_len, ikm, salt)](#hkdf.extract) ⇒ <code>Buffer</code>
|
||||
* [.expand(hash, hash_len, prk, length, info)](#hkdf.expand) ⇒ <code>Buffer</code>
|
||||
|
||||
<a name="hkdf.hash_length"></a>
|
||||
|
||||
### hkdf.hash\_length(hash) ⇒ <code>integer</code>
|
||||
Get expected hash length.
|
||||
|
||||
**Kind**: static method of [<code>hkdf</code>](#hkdf)
|
||||
**Returns**: <code>integer</code> - hash digest byte length
|
||||
**Note**: Values are hardcoded with fallback for unknown algorithms.
|
||||
|
||||
| Param | Type | Description |
|
||||
| --- | --- | --- |
|
||||
| hash | <code>string</code> | Hash algorithm (as in underlying Node.js crypto library) |
|
||||
|
||||
<a name="hkdf.extract"></a>
|
||||
|
||||
### hkdf.extract(hash, hash_len, ikm, salt) ⇒ <code>Buffer</code>
|
||||
HKDF extract action.
|
||||
|
||||
**Kind**: static method of [<code>hkdf</code>](#hkdf)
|
||||
**Returns**: <code>Buffer</code> - A buffer with pseudorandom key
|
||||
**Note**: Values are hardcoded with fallback for unknown algorithms.
|
||||
|
||||
| Param | Type | Description |
|
||||
| --- | --- | --- |
|
||||
| hash | <code>string</code> | Hash algorithm (as in underlying Node.js crypto library) |
|
||||
| hash_len | <code>integer</code> | Hash digest length |
|
||||
| ikm | <code>Buffer</code> \| <code>string</code> | Initial Keying Material |
|
||||
| salt | <code>Buffer</code> \| <code>string</code> | Optional salt (recommended) |
|
||||
|
||||
<a name="hkdf.expand"></a>
|
||||
|
||||
### hkdf.expand(hash, hash_len, prk, length, info) ⇒ <code>Buffer</code>
|
||||
HKDF expand action.
|
||||
|
||||
**Kind**: static method of [<code>hkdf</code>](#hkdf)
|
||||
**Returns**: <code>Buffer</code> - A buffer with output keying material
|
||||
**Note**: Values are hardcoded with fallback for unknown algorithms.
|
||||
|
||||
| Param | Type | Description |
|
||||
| --- | --- | --- |
|
||||
| hash | <code>string</code> | Hash algorithm (as in underlying Node.js crypto library) |
|
||||
| hash_len | <code>integer</code> | Hash digest length |
|
||||
| prk | <code>Buffer</code> \| <code>string</code> | A buffer with pseudorandom key |
|
||||
| length | <code>integer</code> | length of output keying material in octets |
|
||||
| info | <code>Buffer</code> \| <code>string</code> | Optional context (safe to skip) |
|
||||
|
||||
|
||||
20
node_modules/futoin-hkdf/futoin.json
generated
vendored
Normal file
20
node_modules/futoin-hkdf/futoin.json
generated
vendored
Normal file
@@ -0,0 +1,20 @@
|
||||
{
|
||||
"name": "futoin-hkdf",
|
||||
"version": "1.3.1",
|
||||
"vcs": "git",
|
||||
"rms": "npm",
|
||||
"rmsRepo": "ignored",
|
||||
"plugins": {
|
||||
"release": "futoin.cid.misc.releasetool"
|
||||
},
|
||||
"actions": {
|
||||
"test": [
|
||||
"@cid tool envexec node -- sh -c \"test $NODE_ENV != production\"",
|
||||
"@cte grunt test"
|
||||
],
|
||||
"upgrade-deps": [
|
||||
"@cid tool update",
|
||||
"@cte yarn upgrade --latest"
|
||||
]
|
||||
}
|
||||
}
|
||||
29
node_modules/futoin-hkdf/hkdf.d.ts
generated
vendored
Normal file
29
node_modules/futoin-hkdf/hkdf.d.ts
generated
vendored
Normal file
@@ -0,0 +1,29 @@
|
||||
declare function hkdf(
|
||||
ikm: Buffer | string,
|
||||
length: number,
|
||||
option?: hkdf.Options
|
||||
): Buffer;
|
||||
|
||||
declare namespace hkdf {
|
||||
interface Options {
|
||||
salt?: Buffer | string;
|
||||
info?: Buffer | string;
|
||||
hash?: string;
|
||||
}
|
||||
export function hash_length(hash: string): number;
|
||||
export function extract(
|
||||
hash: string,
|
||||
hash_len: number,
|
||||
ikm: Buffer | string,
|
||||
salt: Buffer | string
|
||||
): Buffer;
|
||||
export function expand(
|
||||
hash: string,
|
||||
hash_len: number,
|
||||
prk: Buffer | string,
|
||||
length: number,
|
||||
info: Buffer | string
|
||||
): Buffer;
|
||||
}
|
||||
|
||||
export = hkdf;
|
||||
174
node_modules/futoin-hkdf/hkdf.js
generated
vendored
Normal file
174
node_modules/futoin-hkdf/hkdf.js
generated
vendored
Normal file
@@ -0,0 +1,174 @@
|
||||
'use strict';
|
||||
|
||||
/**
|
||||
* @file
|
||||
*
|
||||
* Copyright 2018 FutoIn Project (https://futoin.org)
|
||||
* Copyright 2018 Andrey Galkin <andrey@futoin.org>
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
const { createHash, createHmac } = require( 'crypto' );
|
||||
|
||||
const g_digestLenCache = {};
|
||||
|
||||
/**
|
||||
* Get expected hash length.
|
||||
*
|
||||
* @func
|
||||
* @alias hkdf.hash_length
|
||||
* @param {string} hash - Hash algorithm (as in underlying Node.js crypto library)
|
||||
* @returns {integer} hash digest byte length
|
||||
*
|
||||
* @note Values are hardcoded with fallback for unknown algorithms.
|
||||
*/
|
||||
const hash_length = ( hash ) => {
|
||||
switch ( hash ) {
|
||||
case 'sha256': return 32;
|
||||
case 'sha512': return 64;
|
||||
case 'sha224': return 28;
|
||||
case 'sha384': return 48;
|
||||
case 'sha3-256': return 32;
|
||||
case 'sha3-512': return 64;
|
||||
case 'sha3-224': return 28;
|
||||
case 'sha3-384': return 48;
|
||||
case 'blake2s256': return 32;
|
||||
case 'blake2b512': return 64;
|
||||
case 'sha1': return 20;
|
||||
case 'md5': return 16;
|
||||
default: {
|
||||
let len = g_digestLenCache[hash];
|
||||
|
||||
if ( len === undefined ) {
|
||||
len = createHash( hash ).digest().length;
|
||||
g_digestLenCache[hash] = len;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* HKDF extract action.
|
||||
*
|
||||
* @func
|
||||
* @alias hkdf.extract
|
||||
* @param {string} hash - Hash algorithm (as in underlying Node.js crypto library)
|
||||
* @param {integer} hash_len - Hash digest length
|
||||
* @param {Buffer|string} ikm - Initial Keying Material
|
||||
* @param {Buffer|string} salt - Optional salt (recommended)
|
||||
* @returns {Buffer} A buffer with pseudorandom key
|
||||
*
|
||||
* @note Values are hardcoded with fallback for unknown algorithms.
|
||||
*/
|
||||
const hkdf_extract = ( hash, hash_len, ikm, salt ) => {
|
||||
const b_ikm = Buffer.isBuffer( ikm ) ? ikm : Buffer.from( ikm );
|
||||
const b_salt = ( salt && salt.length ) ? Buffer.from( salt ) : Buffer.alloc( hash_len, 0 );
|
||||
|
||||
return createHmac( hash, b_salt ).update( b_ikm ).digest();
|
||||
};
|
||||
|
||||
/**
|
||||
* HKDF expand action.
|
||||
*
|
||||
* @func
|
||||
* @alias hkdf.expand
|
||||
* @param {string} hash - Hash algorithm (as in underlying Node.js crypto library)
|
||||
* @param {integer} hash_len - Hash digest length
|
||||
* @param {Buffer|string} prk - A buffer with pseudorandom key
|
||||
* @param {integer} length - length of output keying material in octets
|
||||
* @param {Buffer|string} info - Optional context (safe to skip)
|
||||
* @returns {Buffer} A buffer with output keying material
|
||||
*
|
||||
* @note Values are hardcoded with fallback for unknown algorithms.
|
||||
*/
|
||||
const hkdf_expand = ( hash, hash_len, prk, length, info ) => {
|
||||
const b_info = Buffer.from( info || '' );
|
||||
const info_len = b_info.length;
|
||||
|
||||
const steps = Math.ceil( length / hash_len );
|
||||
|
||||
if ( steps > 0xFF ) {
|
||||
throw new Error( `OKM length ${length} is too long for ${hash} hash` );
|
||||
}
|
||||
|
||||
// use single buffer with unnecessary create/copy/move operations
|
||||
const t = Buffer.alloc( hash_len * steps + info_len + 1 );
|
||||
|
||||
for ( let c = 1, start = 0, end = 0; c <= steps; ++c ) {
|
||||
// add info
|
||||
b_info.copy( t, end );
|
||||
// add counter
|
||||
t[ end + info_len ] = c;
|
||||
|
||||
createHmac( hash, prk )
|
||||
// use view: T(C) = T(C-1) | info | C
|
||||
.update( t.slice( start, end + info_len + 1 ) )
|
||||
.digest()
|
||||
// put back to the same buffer
|
||||
.copy( t, end );
|
||||
|
||||
start = end; // used for T(C-1) start
|
||||
end += hash_len; // used for T(C-1) end & overall end
|
||||
}
|
||||
|
||||
return t.slice( 0, length );
|
||||
};
|
||||
|
||||
/**
|
||||
* HMAC-based Extract-and-Expand Key Derivation Function (HKDF)
|
||||
*
|
||||
* @param {Buffer|string} ikm - Initial Keying Material
|
||||
* @param {integer} length - Required byte length of output
|
||||
* @param {Buffer|string} salt='' - Optional salt (recommended)
|
||||
* @param {Buffer|string} info='' - Optional context (safe to skip)
|
||||
* @param {string} hash='SHA-256' - HMAC hash function to use
|
||||
* @returns {Buffer} Raw buffer with derived key of @p length bytes
|
||||
*/
|
||||
function hkdf( ikm, length, { salt='', info='', hash='SHA-256' } = {} ) {
|
||||
hash = hash.toLowerCase().replace( '-', '' );
|
||||
|
||||
// 0. Hash length
|
||||
const hash_len = hash_length( hash );
|
||||
|
||||
// 1. extract
|
||||
const prk = hkdf_extract( hash, hash_len, ikm, salt );
|
||||
|
||||
// 2. expand
|
||||
return hkdf_expand( hash, hash_len, prk, length, info );
|
||||
}
|
||||
|
||||
Object.defineProperties( hkdf, {
|
||||
hash_length : {
|
||||
configurable: false,
|
||||
enumerable: false,
|
||||
writable: false,
|
||||
value: hash_length,
|
||||
},
|
||||
extract : {
|
||||
configurable: false,
|
||||
enumerable: false,
|
||||
writable: false,
|
||||
value: hkdf_extract,
|
||||
},
|
||||
expand : {
|
||||
configurable: false,
|
||||
enumerable: false,
|
||||
writable: false,
|
||||
value: hkdf_expand,
|
||||
},
|
||||
} );
|
||||
|
||||
module.exports = hkdf;
|
||||
53
node_modules/futoin-hkdf/package.json
generated
vendored
Normal file
53
node_modules/futoin-hkdf/package.json
generated
vendored
Normal file
@@ -0,0 +1,53 @@
|
||||
{
|
||||
"name": "futoin-hkdf",
|
||||
"version": "1.3.1",
|
||||
"description": "RFC5869: HMAC-based Extract-and-Expand Key Derivation Function (HKDF)",
|
||||
"main": "hkdf.js",
|
||||
"types": "hkdf.d.ts",
|
||||
"files": [
|
||||
"hkdf.js",
|
||||
"hkdf.d.ts",
|
||||
"futoin.json"
|
||||
],
|
||||
"engines": {
|
||||
"node": ">=8"
|
||||
},
|
||||
"scripts": {
|
||||
"test": "grunt test && tsd"
|
||||
},
|
||||
"repository": {
|
||||
"type": "git",
|
||||
"url": "https://github.com/futoin/util-js-hkdf.git"
|
||||
},
|
||||
"keywords": [
|
||||
"futoin",
|
||||
"crypto",
|
||||
"hkdf",
|
||||
"kdf"
|
||||
],
|
||||
"author": {
|
||||
"name": "Andrey Galkin",
|
||||
"email": "andrey@futoin.org"
|
||||
},
|
||||
"license": "Apache-2.0",
|
||||
"bugs": {
|
||||
"url": "https://github.com/futoin/util-js-hkdf/issues",
|
||||
"email": "support@futoin.org"
|
||||
},
|
||||
"devDependencies": {
|
||||
"benchmark": "^2.1.4",
|
||||
"chai": "^4.2.0",
|
||||
"eslint": "^6.8.0",
|
||||
"grunt": "^1.0.4",
|
||||
"grunt-eslint": "^22.0.0",
|
||||
"grunt-jsdoc-to-markdown": "^5.0.0",
|
||||
"grunt-simple-nyc": "^3.0.1",
|
||||
"grunt-text-replace": "^0.4.0",
|
||||
"mocha": "^7.0.0",
|
||||
"tsd": "^0.11.0"
|
||||
}
|
||||
|
||||
,"_resolved": "https://registry.npmjs.org/futoin-hkdf/-/futoin-hkdf-1.3.1.tgz"
|
||||
,"_integrity": "sha512-k1DvCXIFAIx3hK8CSwApotX3JUDwA2Wb55zxyIgqwQpCBF2ZHgVqfHpyjG8mRpmsjRH7SWS1N/vj8EdSF9zBhw=="
|
||||
,"_from": "futoin-hkdf@1.3.1"
|
||||
}
|
||||
Reference in New Issue
Block a user