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import { spawnSync } from "bun";
import { describe, expect, it } from "bun:test";
import { bunEnv, bunExe } from "harness";
describe("Web Crypto", () => {
// https://github.com/oven-sh/bun/issues/3795
it("keeps event loop alive", () => {
const { stdout, exitCode } = spawnSync({
cmd: [bunExe(), import.meta.resolveSync("./keeps-alive-fixture.js")],
env: bunEnv,
});
const lines = stdout.toString().trim().split("\n").sort();
const results = [
"2ef7bde608ce5404e97d5f042f95f89f1c232871",
"6b3e626d70787e3dc3f0bca509a7e1e5f6802643fde54a18d4353aa9b24ccb2fb874bbc8a70ff587df2bd6ed41471f82",
"7dc2af5ef620a4b1c8871371526b664512b82193",
"7f83b1657ff1fc53b92dc18148a1d65dfc2d4b1fa3d677284addd200126d9069",
"861844d6704e8573fec34d967e20bcfef3d424cf48be04e6dc08f2bd58c729743371015ead891cc3cf1c9d34b49264b510751b1ff9e537937bc46b5d6ff4ecc8",
"bf6873609ce720ec489bb2f5ae116716058c06cda7dc9a7e1dadee90da98e71aee22519505af61adbecd5b94bbefa855c2ede623e8b383bb179b150e25861441",
"bfd76c0ebbd006fee583410547c1887b0292be76d582d96c242d2a792723e3fd6fd061f9d5cfd13b8f961358e6adba4a",
"e1061f7858d68c3818ec9967ea1f7bf8e3c65f5603af95004bdfcb64b9ea4148",
];
expect(exitCode).toBe(0);
expect(lines).toStrictEqual(results);
});
it("has globals", () => {
expect(crypto.subtle !== undefined).toBe(true);
expect(CryptoKey.name).toBe("CryptoKey");
expect(SubtleCrypto.name).toBe("SubtleCrypto");
});
it("should encrypt and decrypt", async () => {
const key = await crypto.subtle.generateKey(
{
name: "AES-GCM",
length: 256,
},
true,
["encrypt", "decrypt"],
);
const iv = crypto.getRandomValues(new Uint8Array(12));
const data = new TextEncoder().encode("Hello World!");
const encrypted = await crypto.subtle.encrypt(
{
name: "AES-GCM",
iv,
},
key,
data,
);
const decrypted = await crypto.subtle.decrypt(
{
name: "AES-GCM",
iv,
},
key,
encrypted,
);
expect(new TextDecoder().decode(decrypted)).toBe("Hello World!");
});
it("should verify and sign", async () => {
async function importKey(secret: string) {
return await crypto.subtle.importKey(
"raw",
new TextEncoder().encode(secret),
{ name: "HMAC", hash: "SHA-256" },
false,
["sign", "verify"],
);
}
async function signResponse(message: string, secret: string) {
const key = await importKey(secret);
const signature = await crypto.subtle.sign("HMAC", key, new TextEncoder().encode(message));
// Convert ArrayBuffer to Base64
return btoa(String.fromCharCode(...new Uint8Array(signature)));
}
async function verifySignature(message: string, signature: string, secret: string) {
const key = await importKey(secret);
// Convert Base64 to Uint8Array
const sigBuf = Uint8Array.from(atob(signature), c => c.charCodeAt(0));
return await crypto.subtle.verify("HMAC", key, sigBuf, new TextEncoder().encode(message));
}
const msg = `hello world`;
const SECRET = "secret";
const signature = await signResponse(msg, SECRET);
const isSigValid = await verifySignature(msg, signature, SECRET);
expect(isSigValid).toBe(true);
});
});
describe("Ed25519", () => {
describe("generateKey", () => {
it("should return CryptoKeys without namedCurve in algorithm field", async () => {
const { publicKey, privateKey } = (await crypto.subtle.generateKey("Ed25519", true, [
"sign",
"verify",
])) as CryptoKeyPair;
expect(publicKey.algorithm!.name).toBe("Ed25519");
// @ts-ignore
expect(publicKey.algorithm!.namedCurve).toBe(undefined);
expect(privateKey.algorithm!.name).toBe("Ed25519");
// @ts-ignore
expect(privateKey.algorithm!.namedCurve).toBe(undefined);
});
});
});
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