@li0ard/tsemrtd/dist/dg15.js

simple library for eMRTD. supports browsers, node, bun and more!

import { TLV } from "@li0ard/tinytlv";
import { Enums } from "./index";
import { SubjectPublicKeyInfo } from "@peculiar/asn1-x509";
import { AsnConvert } from "@peculiar/asn1-schema";
/**
 * Class for working with DG15 (Active authentication info)
*/
export class DG15 {
    /**
     * Get active authentication public key
     * @param data Data of EF.DG15 file
     */
    static load(data) {
        let tlv = TLV.parse(data);
        if (parseInt(tlv.tag, 16) != Enums.TAGS.DG15)
            throw new Error(`Invalid DG15 tag "0x${tlv.tag}", expected 0x${Enums.TAGS.DG15.toString(16)}`);
        return AsnConvert.parse(tlv.byteValue, SubjectPublicKeyInfo);
    }
}