bun.sh/test/js/third_party/jsonwebtoken/rsa-public-key.test.js

const PS_SUPPORTED = true;
import { describe, expect, it } from "bun:test";
import { generateKeyPairSync } from "crypto";
import jwt from "jsonwebtoken";

describe("public key start with BEGIN RSA PUBLIC KEY", function () {
  it("should work for RS family of algorithms", function (done) {
    var fs = require("fs");
    var cert_pub = fs.readFileSync(__dirname + "/rsa-public-key.pem");
    var cert_priv = fs.readFileSync(__dirname + "/rsa-private.pem");

    var token = jwt.sign({ foo: "bar" }, cert_priv, { algorithm: "RS256" });

    jwt.verify(token, cert_pub, done);
  });

  it("should not work for RS algorithms when modulus length is less than 2048 when allowInsecureKeySizes is false or not set", function (done) {
    const { privateKey } = generateKeyPairSync("rsa", { modulusLength: 1024 });

    expect(function () {
      jwt.sign({ foo: "bar" }, privateKey, { algorithm: "RS256" });
    }).toThrow("minimum key size");

    done();
  });

  it("should work for RS algorithms when modulus length is less than 2048 when allowInsecureKeySizes is true", function (done) {
    const { privateKey } = generateKeyPairSync("rsa", { modulusLength: 1024 });

    jwt.sign({ foo: "bar" }, privateKey, { algorithm: "RS256", allowInsecureKeySizes: true }, done);
  });

  if (PS_SUPPORTED) {
    it("should work for PS family of algorithms", function (done) {
      var fs = require("fs");
      var cert_pub = fs.readFileSync(__dirname + "/rsa-public-key.pem");
      var cert_priv = fs.readFileSync(__dirname + "/rsa-private.pem");

      var token = jwt.sign({ foo: "bar" }, cert_priv, { algorithm: "PS256" });

      jwt.verify(token, cert_pub, done);
    });
  }
});