node-opcua/node-opcua-crypto

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

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    it("should read a V3 X509 certificate  signed by ta CA (with extensions)", () => {
        const filename = path.join(__dirname, "../test-fixtures/certsChain/1000.pem");
        fs.existsSync(filename).should.equal(true);

        const certificate = readCertificate(filename);

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

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    it("should read a V3 X509 self-certificate (with extensions)", () => {
        const filename = path.join(__dirname, "../test-fixtures/certs/demo_certificate.pem");
        fs.existsSync(filename).should.equal(true);

        const certificate = readCertificate(filename);

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File crypto_explore_certificate.ts has 472 lines of code (exceeds 250 allowed). Consider refactoring.

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/**
 * @module node_opcua_crypto
 */
// ---------------------------------------------------------------------------------------------------------------------
// node-opcua-crypto

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

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        it("should sign with a private key and verify with the certificate (DER) - " + algorithm, function () {
            const alice_private_key = readPrivateKey(alice_private_key_filename);
            const options1 = {
                algorithm,
                signatureLength,

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

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        it("should sign with a other private key and verify with a OUT OF DATE certificate (ASCII) - " + algorithm, function () {
            const privateKey = readPrivateKey(bob_private_key_filename);
            const options1 = {
                algorithm,
                signatureLength,

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

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async function buildPublicKey(privateKey: CryptoKey): Promise<CryptoKey> {
    const crypto = getCrypto();
    // export private key to JWK
    const jwk = await crypto.subtle.exportKey("jwk", privateKey);
    // remove private data from JWK

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

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export async function buildPublicKey(privateKey: CryptoKey): Promise<CryptoKey> {
    const crypto = getCrypto();

    // export private key to JWK
    const jwk = await crypto.subtle.exportKey("jwk", privateKey);

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

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export function decryptBufferWithDerivedKeys(buffer: Buffer, derivedKeys: DerivedKeys): Buffer {
    const algorithm = derivedKeys_algorithm(derivedKeys);
    const key = derivedKeys.encryptingKey;
    const initVector = derivedKeys.initializationVector;
    const cipher = createDecipheriv(algorithm, key, initVector);

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

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export function encryptBufferWithDerivedKeys(buffer: Buffer, derivedKeys: DerivedKeys): Buffer {
    const algorithm = derivedKeys_algorithm(derivedKeys);
    const key = derivedKeys.encryptingKey;
    const initVector = derivedKeys.initializationVector;
    const cipher = createCipheriv(algorithm, key, initVector);

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File test_crypto.ts has 391 lines of code (exceeds 250 allowed). Consider refactoring.

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// ---------------------------------------------------------------------------------------------------------------------
// node-opcua-crypto
// ---------------------------------------------------------------------------------------------------------------------
// Copyright (c) 2014-2022 - Etienne Rossignon - etienne.rossignon (at) gadz.org
// Copyright (c) 2022-2024 - Sterfive.com

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

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export async function generateKeyPair(modulusLength: 1024 | 2048 | 3072 | 4096 = 2048): Promise<CryptoKeyPair> {
    const crypto = getCrypto();

    const alg: RsaHashedKeyGenParams = {
        name: "RSASSA-PKCS1-v1_5",

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

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async function generateKeyPair(modulusLength: 1024 | 2048 | 3072 | 4096 = 2048): Promise<CryptoKeyPair> {
    const crypto = getCrypto();
    const alg: RsaHashedKeyGenParams = {
        name: "RSASSA-PKCS1-v1_5",
        hash: { name: "SHA-256" },

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

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        if (blocks[4] && blocks[4].tag < 0x80) {
            const list = readStruct(buffer, blocks[4]);
            for (const r of list) {
                // sometime blocks[5] doesn't exits .. in this case
                const rr = readStruct(buffer, r);

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

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        if (blocks[5] && blocks[5].tag < 0x80) {
            const list = readStruct(buffer, blocks[5]);
            for (const r of list) {
                // sometime blocks[5] doesn't exits .. in this case
                const rr = readStruct(buffer, r);

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File test_peculiar_edge_case.ts has 336 lines of code (exceeds 250 allowed). Consider refactoring.

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import path from "node:path";
import fs from "node:fs";
import { tmpdir } from "node:os";
import { Crypto as PeculiarWebCrypto } from "@peculiar/webcrypto";
import * as x509 from "@peculiar/x509";

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        console.log(
            blocks.map((b) => ({
                tag: TagType[b.tag] + " 0x" + b.tag.toString(16),
                l: b.length,
                p: b.position,

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

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        console.log(
            blocks1.map((b) => ({
                tag: TagType[b.tag] + " 0x" + b.tag.toString(16),
                l: b.length,
                p: b.position,

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

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export async function generatePrivateKeyFileAlternate(privateKeyFilename: string, modulusLength: 2048 | 3072 | 4096) {
    
    const kp = jsrsasign.KEYUTIL.generateKeypair("RSA", modulusLength);
    const prv = kp.prvKeyObj;
    const pub = kp.pubKeyObj;

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

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async function generatePrivateKeyFileJSRSA(privateKeyFilename: string, modulusLength: 2048 | 3072 | 4096) {
    const kp = jsrsasign.KEYUTIL.generateKeypair("RSA", modulusLength);
    const prv = kp.prvKeyObj;
    const pub = kp.pubKeyObj;
    const prvpem = jsrsasign.KEYUTIL.getPEM(prv, "PKCS8PRV");

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Function make_suite has 95 lines of code (exceeds 25 allowed). Consider refactoring.

Open

    function make_suite(algorithm: string, signatureLength: number) {
        it("should sign with a private key and verify with the public key - " + algorithm, function () {
            const alice_private_key = readPrivateKey(alice_private_key_filename);
            const options1 = {
                algorithm,