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<script src="../../resources/js-test-pre.js"></script>
<script src="../resources/common.js"></script>
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<body>
<p id="description"></p>
<div id="console"></div>

<script>
description("Test decrypting using AES-GCM with an imported 128bit key and tagLengths");

jsTestIsAsync = true;

var extractable = false;
var expectedPlainText = "Hello, World!";
var iv = asciiToUint8Array("jnOw99oOZFLIEPMr")
var rawKey = asciiToUint8Array("jnOw99oOZFLIEPMr");
var cipherText32 = hexStringToUint8Array("f9ba1161a16c9fcc726a4531c1b520925e");
var cipherText64 = hexStringToUint8Array("f9ba1161a16c9fcc726a4531c1b520925e4ba35f8b");
var cipherText96 = hexStringToUint8Array("f9ba1161a16c9fcc726a4531c1b520925e4ba35f8b534c62f3");
var cipherText104 = hexStringToUint8Array("f9ba1161a16c9fcc726a4531c1b520925e4ba35f8b534c62f34e");
var cipherText112 = hexStringToUint8Array("f9ba1161a16c9fcc726a4531c1b520925e4ba35f8b534c62f34e1f");
var cipherText120 = hexStringToUint8Array("f9ba1161a16c9fcc726a4531c1b520925e4ba35f8b534c62f34e1f3b");
var cipherText128 = hexStringToUint8Array("f9ba1161a16c9fcc726a4531c1b520925e4ba35f8b534c62f34e1f3ba1");

crypto.subtle.importKey("raw", rawKey, "aes-gcm", extractable, ["decrypt"]).then(function(result) {
    key = result;

    return crypto.subtle.decrypt({ name: "aes-gcm", iv: iv, tagLength: 32 }, key, cipherText32);
}).then(function(result) {
    plainText = result;
    shouldBe("bytesToASCIIString(plainText)", "expectedPlainText");

    return crypto.subtle.decrypt({ name: "aes-gcm", iv: iv, tagLength: 64 }, key, cipherText64);
}).then(function(result) {
    plainText = result;
    shouldBe("bytesToASCIIString(plainText)", "expectedPlainText");

    return crypto.subtle.decrypt({ name: "aes-gcm", iv: iv, tagLength: 96 }, key, cipherText96);
}).then(function(result) {
    plainText = result;
    shouldBe("bytesToASCIIString(plainText)", "expectedPlainText");

    return crypto.subtle.decrypt({ name: "aes-gcm", iv: iv, tagLength: 104 }, key, cipherText104);
}).then(function(result) {
    plainText = result;
    shouldBe("bytesToASCIIString(plainText)", "expectedPlainText");

    return crypto.subtle.decrypt({ name: "aes-gcm", iv: iv, tagLength: 112 }, key, cipherText112);
}).then(function(result) {
    plainText = result;
    shouldBe("bytesToASCIIString(plainText)", "expectedPlainText");

    return crypto.subtle.decrypt({ name: "aes-gcm", iv: iv, tagLength: 120 }, key, cipherText120);
}).then(function(result) {
    plainText = result;
    shouldBe("bytesToASCIIString(plainText)", "expectedPlainText");

    return crypto.subtle.decrypt({ name: "aes-gcm", iv: iv, tagLength: 128 }, key, cipherText128);
}).then(function(result) {
    plainText = result;
    shouldBe("bytesToASCIIString(plainText)", "expectedPlainText");

    finishJSTest();
});

</script>

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