fix(ext/crypto): take a copy of keyData bytes (#11666)

This commit is contained in:
Divy Srivastava 2021-08-13 14:57:56 +05:30 committed by GitHub
parent 8481377500
commit c1f97056f4
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 33 additions and 0 deletions

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@ -1,5 +1,26 @@
import { assert, assertEquals, unitTest } from "./test_util.ts";
// https://github.com/denoland/deno/issues/11664
unitTest(async function testImportArrayBufferKey() {
const subtle = window.crypto.subtle;
assert(subtle);
// deno-fmt-ignore
const key = new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);
const cryptoKey = await subtle.importKey(
"raw",
key.buffer,
{ name: "HMAC", hash: "SHA-1" },
true,
["sign"],
);
assert(cryptoKey);
// Test key usage
await subtle.sign({ name: "HMAC" }, cryptoKey, new Uint8Array(8));
});
// TODO(@littledivy): Remove this when we enable WPT for sign_verify
unitTest(async function testSignVerify() {
const subtle = window.crypto.subtle;

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@ -463,6 +463,18 @@
context: "Argument 5",
});
// 2.
if (ArrayBufferIsView(keyData)) {
keyData = new Uint8Array(
keyData.buffer,
keyData.byteOffset,
keyData.byteLength,
);
} else {
keyData = new Uint8Array(keyData);
}
keyData = TypedArrayPrototypeSlice(keyData);
const normalizedAlgorithm = normalizeAlgorithm(algorithm, "importKey");
if (