node-opcua/node-opcua-crypto

Identical blocks of code found in 2 locations. Consider refactoring.

Open

export async function generatePrivateKeyFile(privateKeyFilename: string, modulusLength: 1024 | 2048 | 3072 | 4096) {
    const keys = await generateKeyPair(modulusLength);
    const privateKeyPem = await privateKeyToPEM(keys.privateKey);
    await fs.promises.writeFile(privateKeyFilename, privateKeyPem.privPem, "utf-8");
    privateKeyPem.privPem = "";

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Identical blocks of code found in 2 locations. Consider refactoring.

Open

async function generatePrivateKeyFile(privateKeyFilename: string, modulusLength: 1024 | 2048 | 3072 | 4096) {
    const keys = await generateKeyPair(modulusLength);
    const privateKeyPem = await privateKeyToPEM(keys.privateKey);
    await fs.promises.writeFile(privateKeyFilename, privateKeyPem.privPem, "utf-8");
    privateKeyPem.privPem = "";

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

    it("should explore a 2048 bits RSA certificate", () => {
        const certificate = readCertificate(path.join(__dirname, "../test-fixtures/certs/server_cert_2048.pem"));
        const data = exploreCertificateInfo(certificate);
        data.publicKeyLength.should.eql(256);
        data.notAfter.should.be.instanceOf(Date);

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Similar blocks of code found in 2 locations. Consider refactoring.

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    it("should explore a 1024 bits RSA certificate", () => {
        const certificate = readCertificate(path.join(__dirname, "../test-fixtures/certs/server_cert_1024.pem"));
        const data = exploreCertificateInfo(certificate);
        data.publicKeyLength.should.eql(128);
        data.notAfter.should.be.instanceOf(Date);

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

export async function readCertificateSigningRequest(filename: string): Promise<CertificateSigningRequest> {
    const csr = await fs.promises.readFile(filename);
    if (csr[0] === 0x30 && csr[1] === 0x82) {
        // der format
        return csr as CertificateRevocationList;

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

export async function readCertificateRevocationList(filename: string): Promise<CertificateRevocationList> {
    const crl = await fs.promises.readFile(filename);
    if (crl[0] === 0x30 && crl[1] === 0x82) {
        // der format
        return crl as CertificateRevocationList;

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

function decrypt_buffer(buffer: Buffer, algorithm: string, key: Buffer): Buffer {
    const iv = Buffer.alloc(16, 0); // Initialization vector.
    const decipher = createDecipheriv(algorithm, key, iv);
    const decrypted_chunks: Buffer[] = [];
    decrypted_chunks.push(decipher.update(buffer));

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

function encrypt_buffer(buffer: Buffer, algorithm: string, key: Buffer): Buffer {
    const iv = Buffer.alloc(16, 0); // Initialization vector.
    const cipher = createCipheriv(algorithm, key, iv);
    const encrypted_chunks: Buffer[] = [];
    encrypted_chunks.push(cipher.update(buffer));

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File oid_map.ts has 297 lines of code (exceeds 250 allowed). Consider refactoring.

Open

// https://github.com/lapo-luchini/asn1js/blob/master/oids.js
export const oid_map: { [key: string]: { d: string; c: string; w?: boolean } } = {
    "0.9.2342.19200300.100.1.1": { d: "userID", c: "Some oddball X.500 attribute collection" },
    "0.9.2342.19200300.100.1.3": { d: "rfc822Mailbox", c: "Some oddball X.500 attribute collection" },
    "0.9.2342.19200300.100.1.25": { d: "domainComponent", c: "Men are from Mars, this OID is from Pluto" },

Similar blocks of code found in 2 locations. Consider refactoring.

Open

export function rsaLengthPublicKey(key: PublicKeyPEM | PublicKey): number {
    key = coercePublicKeyPem(key);
    assert(typeof key === "string");
    const a = jsrsasign.KEYUTIL.getKey(key) as any;
    return a.n.toString(16).length / 2;

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

export function rsaLengthRsaPublicKey(key: PublicKeyPEM | PublicKey): number {
    key = coerceRsaPublicKeyPem(key);
    assert(typeof key === "string");
    const a = jsrsasign.KEYUTIL.getKey(key) as any;
    return a.n.toString(16).length / 2;

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Function explorePrivateKey has 69 lines of code (exceeds 25 allowed). Consider refactoring.

Open

export function explorePrivateKey(privateKey2: PrivateKey): PrivateKeyInternals {
    const privateKey1 = privateKey2.hidden;
    const privateKey =
        typeof privateKey1 === "string" ? convertPEMtoDER(privateKey1) : privateKey1.export({ format: "der", type: "pkcs1" });

File asn1.ts has 278 lines of code (exceeds 250 allowed). Consider refactoring.

Open

import assert from "assert";
import { oid_map } from "./oid_map.js";
import { DirectoryName } from "./directory_name.js";
// https://github.com/lapo-luchini/asn1js/blob/master/asn1.js
export enum TagType {

Identical blocks of code found in 2 locations. Consider refactoring.

Open

export interface CreateSelfSignCertificateOptions {
    privateKey: CryptoKey;
    notBefore?: Date;
    notAfter?: Date;
    validity?: number;

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Identical blocks of code found in 2 locations. Consider refactoring.

Open

export interface CreateSelfSignCertificateOptions {
    privateKey: CryptoKey;
    notBefore?: Date;
    notAfter?: Date;
    validity?: number;

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

export async function derToPrivateKey(privDer: ArrayBuffer): Promise<CryptoKey> {
    const crypto = getCrypto();

    return await crypto.subtle.importKey(
        "pkcs8",

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Similar blocks of code found in 2 locations. Consider refactoring.

Open

async function derToPrivateKey(privDer: ArrayBuffer): Promise<CryptoKey> {
    const crypto = getCrypto();

    return await crypto.subtle.importKey(
        "pkcs8",

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Similar blocks of code found in 3 locations. Consider refactoring.

Open

        const { csr } = await createCertificateSigningRequest({
            privateKey,
            notAfter: new Date(2020, 1, 1),
            notBefore: new Date(2019, 1, 1),
            subject: "CN=Test",

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Similar blocks of code found in 3 locations. Consider refactoring.

Open

        const { cert } = await createSelfSignedCertificate({
            privateKey,
            notAfter: new Date(2020, 1, 1),
            notBefore: new Date(2019, 1, 1),
            subject: "/CN=OPCUA-Server/O=COMPANY/L=CITY/ST=REGION/C=FR/DC=company.com",

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Identical blocks of code found in 2 locations. Consider refactoring.

Open

export async function privateKeyToPEM(privateKey: CryptoKey) {
    const crypto = getCrypto();
    const privDer = await crypto.subtle.exportKey("pkcs8", privateKey);
    const privPem = x509.PemConverter.encode(privDer, "PRIVATE KEY");
    return { privPem, privDer };

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