serenity/Tests/LibWeb/Text/input/Crypto/SubtleCrypto-exportKey.html

<script src="../include.js"></script>
<script>
    function bufferToHex(buffer) {
        return [...new Uint8Array(buffer)].map(b => b.toString(16).padStart(2, "0")).join("");
    }

    asyncTest(async done => {
        let algorithm = {
            name: "RSA-OAEP",
            modulusLength: 512,
            publicExponent: new Uint8Array([1, 0, 1]),
            hash: "SHA-256",
        };

        println("exportKey with RSA-OAEP algorithm");

        let key = await window.crypto.subtle.generateKey(algorithm, true, [
            "encrypt",
            "decrypt",
            "wrapKey",
            "unwrapKey",
        ]);

        // FIXME: Create a roundtrip test that starts with a key object and imports it, then exports it.

        let exportedPublicKey = await window.crypto.subtle.exportKey("jwk", key.publicKey);
        println(`exportedPublicKey kwt: ${exportedPublicKey.kty}`);
        println(`exportedPublicKey alg: ${exportedPublicKey.alg}`);
        println(`exportedPublicKey exponent: ${exportedPublicKey.e}`);
        println(`exportedPublicKey key_ops: ${exportedPublicKey.key_ops}`);
        println(`exportedPublicKey ext: ${exportedPublicKey.ext}`);

        let exportedPrivateKey = await window.crypto.subtle.exportKey("jwk", key.privateKey);
        println(`exportedPrivateKey kwt: ${exportedPrivateKey.kty}`);
        println(`exportedPrivateKey alg: ${exportedPrivateKey.alg}`);
        println(`exportedPrivateKey exponent: ${exportedPrivateKey.e}`);
        println(`exportedPrivateKey key_ops: ${exportedPrivateKey.key_ops}`);
        println(`exportedPrivateKey ext: ${exportedPrivateKey.ext}`);

        let exportedPublicKey2 = await window.crypto.subtle.exportKey("spki", key.publicKey);
        println(`FIXME: exportedPublicKey2: ${bufferToHex(exportedPublicKey2)}`);

        try {
            let exportedPrivateKey2 = await window.crypto.subtle.exportKey("spki", key.privateKey);
            println("FAIL: Shouldn't be able to export private key as spki");
        } catch (e) {
            println(`exportKey spki private key: ${e.name} ${e.message}`);
        }

        done();
    });
</script>