in scripts/security_harness.js [12:25]
function getHashForFilepath(filePath) {
return new Promise(resolve => {
const shasum = crypto.createHash('sha256');
const s = ReadStream(filePath);
s.on('data', d => {
shasum.update(d);
});
s.on('end', () => {
const hash = shasum.digest('hex');
resolve(hash);
});
});
}