@hazae41/x509/dist/esm/mods/keys/rsa/public.mjs

Zero-copy X.509 certificates in pure modern TypeScript

import { Sequence, Integer } from '@hazae41/asn1';
import { OIDs } from '../../oids/oids.mjs';

class RsaPublicKey {
    publicExponent;
    modulus;
    static oid = OIDs.keys.rsaEncryption;
    constructor(publicExponent, modulus) {
        this.publicExponent = publicExponent;
        this.modulus = modulus;
    }
    toDER() {
        return Sequence.DER.create(undefined, [
            this.publicExponent,
            this.modulus
        ]).toDER();
    }
    toJSON() {
        const publicExponent = this.publicExponent.value.toString(16);
        const modulus = this.modulus.value.toString(16);
        return { publicExponent, modulus };
    }
    static fromJSON(json) {
        const publicExponent = Integer.create(undefined, BigInt("0x" + json.publicExponent));
        const modulus = Integer.create(undefined, BigInt("0x" + json.modulus));
        return new this(publicExponent, modulus);
    }
    static resolveOrThrow(parent) {
        const cursor = parent.subAsOrThrow(Sequence.DER);
        const publicExponent = cursor.readAsOrThrow(Integer.DER);
        const modulus = cursor.readAsOrThrow(Integer.DER);
        return new RsaPublicKey(publicExponent, modulus);
    }
}

export { RsaPublicKey };
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