gecko-dev/dom/crypto/KeyAlgorithm.h

80 строки
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_KeyAlgorithm_h
#define mozilla_dom_KeyAlgorithm_h
#include "nsCycleCollectionParticipant.h"
#include "nsIGlobalObject.h"
#include "nsWrapperCache.h"
#include "pk11pub.h"
#include "mozilla/dom/CryptoBuffer.h"
#include "js/StructuredClone.h"
#include "js/TypeDecls.h"
namespace mozilla {
namespace dom {
class CryptoKey;
class KeyAlgorithm;
enum KeyAlgorithmStructuredCloneTags {
SCTAG_KEYALG,
SCTAG_AESKEYALG,
SCTAG_HMACKEYALG,
SCTAG_RSAKEYALG,
SCTAG_RSAHASHEDKEYALG
};
}
namespace dom {
class KeyAlgorithm : public nsISupports,
public nsWrapperCache
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(KeyAlgorithm)
public:
KeyAlgorithm(nsIGlobalObject* aGlobal, const nsString& aName);
nsIGlobalObject* GetParentObject() const
{
return mGlobal;
}
virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
void GetName(nsString& aRetVal) const;
virtual nsString ToJwkAlg() const;
// Structured clone support methods
virtual bool WriteStructuredClone(JSStructuredCloneWriter* aWriter) const;
static KeyAlgorithm* Create(nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader);
// Helper method to look up NSS methods
// Sub-classes should assign mMechanism on constructor
CK_MECHANISM_TYPE Mechanism() const {
return mMechanism;
}
protected:
virtual ~KeyAlgorithm();
nsRefPtr<nsIGlobalObject> mGlobal;
nsString mName;
CK_MECHANISM_TYPE mMechanism;
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_KeyAlgorithm_h