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js-encoding-utils

Miscellaneous Encoding Utilities for Crypto-related Objects in JavaScript

0.7.3

MIT

TypeScript

1.58 kB

3,173,196 4.8

Installations

npm install js-encoding-utils

Developer Guide

BETA

Typescript

Yes

Module System

CommonJS, ESM

Node Version

20.5.1

NPM Version

9.8.0 Score

98.1

Supply Chain

93.9

Quality

76.2

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

1

Total

1,406

Closed

4

Merged

1,401

Issues

Open

1

Total

2

Closed

1

Releases

Unable to fetch releases

Contributors

Unable to fetch Contributors

View all 2 contributors

Languages

TypeScript

JavaScript

TypeScript (80.64%)

JavaScript (19.36%)

Developer

junkurihara

Download Statistics

Total Downloads

3,173,196

Last Day

6,016

Last Week

28,612

Last Month

172,711

Last Year

1,197,343

GitHub Statistics

2 Stars

1,782 Commits

4 Watching

5 Branches

2 Contributors

Bundle Size

5.27 kB

Minified

1.58 kB

Minified + Gzipped

Bundlephobia

Maintainers

Package Meta Information

Latest Version

0.7.3

Package Id

js-encoding-utils@0.7.3

Unpacked Size

35.43 kB

Size

7.81 kB

File Count

NPM Version

9.8.0

Node Version

20.5.1

Publised On

02 Sept 2023

Total Downloads

Cumulative downloads

Total Downloads

3,173,196

Last day

-2%

6,016

Compared to previous day

Last week

-33.6%

28,612

Compared to previous week

Last month

0.5%

172,711

Compared to previous month

Last year

67.9%

1,197,343

Compared to previous year

Daily Downloads

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dev Dependencies

@custom-elements-manifest/analyzer @open-wc/testing @types/chai @types/mocha @typescript-eslint/eslint-plugin @typescript-eslint/parser @web/test-runner chai eslint mocha nyc ts-loader ts-node typescript webpack webpack-cli can-npm-publish

Versions

Miscellaneous Encoding Utilities for Crypto-related Objects in JavaScript

WARNING: At this time this solution should be considered suitable for research and experimentation, further code and security review is needed before utilization in a production application.

Introduction and Overview

This library is being developed to handle cryptographic data objects, e.g., PEM-formatted X.509 certificate, in JavaScript. Note that this library provides no cryptographic functions like encryption, but provides encoders, decoders and formatters of data formats related to cryptographic data objects. In particular, this introduces Base64(Url)-ArrayBuffer en/decoder, HexString-ArrayBuffer en/decoder and PEM-Binary formatter at this point. Moreover, this library is designed to be 'universal', i.e., it works both on most browsers and on Node.js just by importing from npm/source code.

Installation

At your project directory, do either one of the following.

From npm/yarn:

1$ npm install --save js-encoding-utils // npm
2$ yarn add js-encoding-utils // yarn

From GitHub:

1$ git clone https://github.com/junkurihara/jseu.git

Then you should import the package as follows.

1import jseu from 'js-encoding-utils'; // for npm
2import jseu from 'jseu/dist/index.js'; // for github

Usage

Base64 <-> Binary

1// msg is an ArrayBuffer or Typed Array
2const encoded = jseu.encoder.encodeBase64(msg);
3// now you get Base64 string
4
5const decoded = jseu.encoder.decodeBase64(encoded);
6// now you get the original message in Uint8Array

Base64Url <-> Binary

1// msg is an ArrayBuffer or Typed Array
2const encoded = jseu.encoder.encodeBase64Url(msg);
3// now you get Base64Url string
4
5const decoded = jseu.encoder.decodeBase64Url(encoded);
6// now you get the original message in Uint8Array

HexString <-> Binary

1// msg is an ArrayBuffer or Typed Array
2const encoded = jseu.encoder.arrayBufferToHexString(msg);
3// now you get the hex-stringified message string
4
5const decoded = jseu.encoder.hexStringToArrayBuffer(encoded);
6// now you get the original message in Uint8Array

PEM <-> Binary (usually DER encoding)

1// X.509 formatted certificate
2const certPEM ='-----BEGIN CERTIFICATE-----...';
3
4const binCert = jseu.formatter.pemToBin(certPEM);
5// now you get the DER encoded certificate in Uint8Array
6
7const pemCert = jseu.formatter.binToPem(binCert, 'certificate');
8// now you get the original certificate.

License

Licensed under the MIT license, see LICENSE file.

SAST

Determines if the project uses static code analysis.

Score

4.8

/10

Last Scanned on 2025-01-27

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

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