82 lines
2.4 KiB
Markdown
82 lines
2.4 KiB
Markdown
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# Bluecrypt SSH Fingerprint (for Browsers)
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A minimal library to read an SSH public key (`id_rsa.pub`)
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and generate its fingerprint.
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Works for RSA and ECDSA public keys.
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# Features
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< 150 lines of code | 1.1kb gzipped | 2.4kb minified | 4.1kb with comments
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* [x] SSH Public Key SHA256 Fingerprints
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* RSA (2048-bit, 3072-bit, 4096-bit)
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* EC / ECDSA
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* P-256 (prime256v1, secp256r1)
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* P-384 (secp384r1)
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* [x] Node.js version
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* [Greenlock SSH Fingerprint](https://git.coolaj86.com/coolaj86/greenlock-ssh-fingerprint.js)
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### Need SSH Private Keys?
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SSH private keys (`id_rsa`) are just normal PEM files,
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so you can use Eckles or Rasha, as mentioned above.
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# Web Demo
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<https://coolaj86.com/demos/ssh-fingerprint/>
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<img border="1" src="https://git.coolaj86.com/coolaj86/ssh-fingerprint.js/raw/branch/master/screenshot.png" />
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```bash
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git clone https://git.coolaj86.com/coolaj86/bluecrypt-ssh-fingerprint.js
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pushd bluecrypt-ssh-fingerprint.js/
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```
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```bash
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open index.html
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```
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# Install
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You can use it as a plain-old javascript library:
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```html
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<script src="https://git.coolaj86.com/coolaj86/bluecrypt-ssh-fingerprint.js/raw/branch/master/ssh-fingerprint.js"></script>
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```
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It's also on npm:
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```bash
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npm install bluecrypt-ssh-fingerprint
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```
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# Usage
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Very simple:
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```js
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var pub = 'ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCba21UHE+VbDTpmYYFZUOV+OQ8AngOCdjROsPC0KiEfMvEaEM3NQl58u6QL7G7QsErKViiNPm9OTFo6HF5JijfWzK7haHFuRMEsgI4VwIYyhvqlJDfw/wt0AiVvSmoMfEQn1p1aiaO4V/RJSE3Vw/uz2bxiT22uSkSqOyShyfYE6dMHnuoBkzr4jvSifT+INmbv6Nyo4+AAMCZtYeHLrsFeSTjLL9jMPjI4ZkVdlw2n3Xn9NbltF3/8Ao8dQfElqw+LIQWqU0oFHYNIP4ttfl5ObMKHaKSvBMyNruZR0El/ZsrcHLkAHRCLj07KRQJ81l5CUTPtQ02P1Eamz/nT4I3 rsa@localhost';
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SSH.fingerprint({ pub: pub }).then(function (fing) {
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console.info('The key fingerprint is:');
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console.info(fing.fingerprint);
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});
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```
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# Other Tools in the Bluecrypt Suite
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* [Browser JWK to SSH](https://git.coolaj86.com/coolaj86/bluecrypt-jwk-to-ssh.js)
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* [Browser SSH to JWK](https://git.coolaj86.com/coolaj86/bluecrypt-ssh-to-jwk.js)
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* [Browser ASN.1 parser](https://git.coolaj86.com/coolaj86/asn1-parser.js) (for x509, etc)
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* [Browser ASN.1 packer](https://git.coolaj86.com/coolaj86/asn1-packer.js) (for x509, etc)
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# Legal
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[ssh-fingerprint.js](https://git.coolaj86.com/coolaj86/bluecrypt-ssh-fingerprint.js) |
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MPL-2.0 |
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[Terms of Use](https://therootcompany.com/legal/#terms) |
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[Privacy Policy](https://therootcompany.com/legal/#privacy)
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Bluecrypt™ is owned by AJ ONeal
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