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import { assertEquals } from "../testing/asserts.ts";
import { create, decode } from "./mod.ts";
import {
convertHexToBase64url,
create as createSignature,
verify as verifySignature,
} from "./_signature.ts";
const algorithm = "HS256";
const key = "m$y-key";
Deno.test("[jwt] create signature", async function () {
// https://www.freeformatter.com/hmac-generator.html
const computedHmacInHex =
"2b9e6619fa7f2c8d8b3565c88365376b75b1b0e5d87e41218066fd1986f2c056";
assertEquals(
await createSignature(algorithm, key, "thisTextWillBeEncrypted"),
convertHexToBase64url(computedHmacInHex),
);
const anotherVerifiedSignatureInBase64Url =
"p2KneqJhji8T0PDlVxcG4DROyzTgWXbDhz_mcTVojXo";
assertEquals(
await createSignature(
algorithm,
key,
"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ",
),
anotherVerifiedSignatureInBase64Url,
);
});
Deno.test("[jwt] verify signature", async function () {
const jwt = await create({}, key);
const { header, signature } = decode(jwt);
const validSignature = await verifySignature({
signature,
key,
algorithm: header.alg,
signingInput: jwt.slice(0, jwt.lastIndexOf(".")),
});
assertEquals(validSignature, true);
});
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