@nordicsemiconductor/asset-tracker-cloud-aws/dist/cli/jitp/fingerprint.js

A reference implementation of a serverless backend for an IoT product developed using AWS CDK in TypeScript.

import { execSync } from 'child_process';
export var fingerprint = function(pem) {
    return execSync('openssl x509 -noout -fingerprint -sha1 -inform pem', {
        input: Buffer.from(pem)
    }).toString().replace(/^sha1 Fingerprint=/, '').replace(/:/g, '').trim();
};