<!-- Utilities for manipulating ABVs -->
<script src="util.js"></script>
<!-- A simple wrapper around IndexedDB -->
<script src="simpledb.js"></script>
<!-- Test vectors drawn from the literature -->
<script src="./test-vectors.js"></script>
<!-- General testing framework -->
<script src="./test-array.js"></script>
<script>/* <![CDATA[*/ "use strict";
// -----------------------------------------------------------------------------
TestArray.addTest( "Send a CryptoKey to a Worker and use it to encrypt data",
function() { var worker = new Worker(`data:text/plain,
onmessage = ({data: {key, data, nonce}}) => { var alg = { name: "AES-GCM", iv: nonce };
crypto.subtle.encrypt(alg, key, data).then(postMessage);
};
`);
var data = crypto.getRandomValues(new Uint8Array(128)); var nonce = crypto.getRandomValues(new Uint8Array(16)); var alg = { name: "AES-GCM", length: 128 }; var that = this;
// Generate a new AES key.
crypto.subtle.generateKey(alg, false, ["encrypt", "decrypt"]).then(key => {
// Wait for ciphertext, check and decrypt.
worker.addEventListener("message", ({data: ciphertext}) => {
crypto.subtle.decrypt({ name: "AES-GCM", iv: nonce }, key, ciphertext)
.then(memcmp_complete(that, data), error(that));
});
// Send it to the worker.
worker.postMessage({key, data, nonce});
});
}
);
// -----------------------------------------------------------------------------
TestArray.addTest( "Get a CryptoKey from a Worker and encrypt/decrypt data",
function() { var worker = new Worker(`data:text/plain, var alg = { name: "AES-GCM", length: 128 };
crypto.subtle.generateKey(alg, false, ["encrypt", "decrypt"])
.then(postMessage);
`);
var data = crypto.getRandomValues(new Uint8Array(128)); var nonce = crypto.getRandomValues(new Uint8Array(16)); var alg = { name: "AES-GCM", iv: nonce }; var that = this;
// Wait for the key from the worker.
worker.addEventListener("message", ({data: key}) => {
// Encrypt some data with the key.
crypto.subtle.encrypt(alg, key, data).then(ciphertext => {
// Verify and decrypt.
crypto.subtle.decrypt(alg, key, ciphertext)
.then(memcmp_complete(that, data), error(that));
});
});
}
);
var data = crypto.getRandomValues(new Uint8Array(128)); var nonce = crypto.getRandomValues(new Uint8Array(16)); var alg = { name: "AES-GCM", length: 128 }; var that = this;
// Generate a new AES key.
crypto.subtle.generateKey(alg, false, ["encrypt", "decrypt"]).then(key => {
worker.addEventListener("message", ({data: msg}) => {
if (msg === "started") {
// Terminate the worker while its busy doing crypto work
worker.terminate();
worker = null;
// Just end the test immediate since we can't receive any
// more messages from the worker after calling terminate().
// If we haven't crashed, then the test is a success.
that.complete(true);
}
});
// Send it to the worker.
worker.postMessage({key, data, nonce});
});
}
);
/* ]]>*/</script>
</head>
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