(Node.js) SSH Key Fingerprint

Generates a fingerprint for an SSH key.

Install Chilkat for Node.js and Electron using npm at Chilkat npm packages for Node.js Chilkat npm packages for Electron on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    var key = new chilkat.SshKey();

    var success;

    // Load an SSH key from an encrypted OpenSSH-formatted private key:
    key.Password = "secret";

    var keyStr;
    // First load the PEM into a string:
    keyStr = key.LoadText("privkey_openssh_encrypted.pem");

    // Import into the SSH key object:
    success = key.FromOpenSshPrivateKey(keyStr);
    if (success !== true) {
        console.log(key.LastErrorText);
        return;
    }

    // Generate the fingerprint:
    var fingerprint;
    fingerprint = key.GenFingerprint();

    console.log(fingerprint);

    // A sample fingerpring looks like this:
    // ssh-dss 2048 d0:5f:f7:d6:49:60:7b:50:19:f4:41:59:d4:1f:61:7

}

chilkatExample();