parse-asn1

Parsing ASN.1 DER

This feature allows you to parse ASN.1 DER (Distinguished Encoding Rules) encoded data. The code sample reads a DER-encoded file (e.g., a certificate) from the filesystem and uses parse-asn1 to parse it into a JavaScript object.

const parseAsn1 = require('parse-asn1');
const fs = require('fs');

const der = fs.readFileSync('certificate.der');
const certificate = parseAsn1(der);
console.log(certificate);

Extracting Public Key

This feature is used to extract a public key from a DER-encoded file. The code sample demonstrates how to read the DER file and parse it to obtain the public key information.

const parseAsn1 = require('parse-asn1');
const fs = require('fs');

const der = fs.readFileSync('publicKey.der');
const publicKey = parseAsn1(der);
console.log(publicKey);

Parsing Private Key

This feature enables the parsing of a private key from a DER-encoded file. The code sample shows how to read the DER file and use parse-asn1 to parse the private key.

const parseAsn1 = require('parse-asn1');
const fs = require('fs');

const der = fs.readFileSync('privateKey.der');
const privateKey = parseAsn1(der);
console.log(privateKey);