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LibWeb: Refactor SubtleCrypto to allow adding more algorithms easier

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This patch throws away some of the spec suggestions for how to implement
the normalize_algorithm AO and uses a new pattern that we can actually
extend in our C++.

Also update CryptoKey to store the key data.
This commit is contained in:
Andrew Kaster 2024-03-06 16:53:50 -07:00 • committed by Andrew Kaster
parent 644e764620
commit 2d59d6c98c
9 changed files with 294 additions and 136 deletions
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16
Userland/Libraries/LibWeb/Crypto/CryptoKey.cpp
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@ -1,28 +1,36 @@
/*
* Copyright (c) 2023, stelar7 <dudedbz@gmail.com>
* Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Memory.h>
#include <LibWeb/Crypto/CryptoKey.h>
namespace Web::Crypto {
JS_DEFINE_ALLOCATOR(CryptoKey);
JS::NonnullGCPtr<CryptoKey> CryptoKey::create(JS::Realm& realm)
JS::NonnullGCPtr<CryptoKey> CryptoKey::create(JS::Realm& realm, InternalKeyData key_data)
{
return realm.heap().allocate<CryptoKey>(realm, realm);
return realm.heap().allocate<CryptoKey>(realm, realm, move(key_data));
}
CryptoKey::CryptoKey(JS::Realm& realm)
CryptoKey::CryptoKey(JS::Realm& realm, InternalKeyData key_data)
: PlatformObject(realm)
, m_algorithm(Object::create(realm, nullptr))
, m_usages(Object::create(realm, nullptr))
, m_key_data(move(key_data))
{
}
CryptoKey::~CryptoKey() = default;
CryptoKey::~CryptoKey()
{
m_key_data.visit(
[](ByteBuffer& data) { secure_zero(data.data(), data.size()); },
[](auto& data) { secure_zero(reinterpret_cast<u8*>(&data), sizeof(data)); });
}
void CryptoKey::initialize(JS::Realm& realm)
{