certainly-something

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certainly-something

(★ 94)

WebExtension that shows certificate chains in an aesthetically pleasing manner.

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최종 버전 다운로드 (.zip)

- webpack.config.js
- - consumer.js
  - entry.js
  - handlers.js
  - icon.js
  - state.js
- - entry.js
  - notification.css
  - notification.js
- - strings.js
- - broken.afdesign
  - broken.svg
  - critical.afdesign
  - critical.svg
  - http.afdesign
  - http.svg
  - insecure.afdesign
  - insecure.svg
  - secure.afdesign
  - secure.svg
- - ctlognames.py
- - error.html
  - index.handlebars
  - index.html
  - upload.html
- manifest.json
.eslintrc
.gitignore
LICENSE.md
package.json
README.md

// repository documentation

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> **Note:** Certainly Something has been integrated into Firefox 72, and is no longer necessary for viewing certificates.

Certainly Something (Certificate Viewer)
========================================

Uses the new TLS Info API in Firefox to view information about the current state of your HTTPS connection.

It currently requires at least Firefox 62.

## Developing and Installing Locally

It is recommend that developers use [web-ext](https://github.com/mozilla/web-ext) for installation and testing.  It provides a number of useful features, such as automated installation and autoreload upon source changes.

Install web-ext using the following command:

````bash
$ npm install --global web-ext
````
For testing and development, run the following commands in two separate terminal windows:

```bash
$ npm run-script watch
$ web-ext run --browser-console -s build --start-url 'https://badssl.com/'
```

If you are simply looking to give it a single run, you can compile it by running:

```bash
$ npm install
$ npm run-script compile
```

And then in Firefox, go to -> Add-ons -> Extensions -> (Gear Icon) -> Debug Add-ons -> Load Temporary Add-on

Navigate to `build/manifest.json` and it should start running immediately.

## Supported Functionality

* Handshake information (TLS version, cipher suite, signature scheme)
* Subject and issuer information (common name, organization, etc.)
* Validity date ranges
* Subject alternative names
* Subject public key information (SPKI)
* Certificate downloading
* Key usage
* Serial numbers
* Fingerprints
* Extensions, including
  * Basic constraints
  * Extended key usage
  * Certificate revocation list (CRL) endpoints
  * Authority information access (AIA)
  * Certificate policies (most common policies)
  * Subject key identifiers
  * Authority key identifiers
  * OCSP stapling
  * [Embedded SCTs](https://www.certificate-transparency.org/), including CT log names

## Kudos

Thanks so much to Ryan Hurst and Yury Strozhevsky for doing the painful work in [PKI.js](https://pkijs.org/) and [ASN1.js](https://asn1js.org/), without which this project could not have been accomplished.

certainly-something

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