зеркало из https://github.com/mozilla/gecko-dev.git
136 строки
3.9 KiB
C++
136 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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_KeyAlgorithmProxy_h
|
|
#define mozilla_dom_KeyAlgorithmProxy_h
|
|
|
|
#include <cstdint>
|
|
#include <utility>
|
|
#include "js/RootingAPI.h"
|
|
#include "mozilla/dom/CryptoBuffer.h"
|
|
#include "mozilla/dom/KeyAlgorithmBinding.h"
|
|
#include "mozilla/dom/TypedArray.h"
|
|
#include "mozilla/dom/WebCryptoCommon.h"
|
|
#include "nsLiteralString.h"
|
|
#include "nsStringFwd.h"
|
|
#include "pkcs11t.h"
|
|
|
|
class JSObject;
|
|
struct JSContext;
|
|
struct JSStructuredCloneReader;
|
|
struct JSStructuredCloneWriter;
|
|
|
|
#define KEY_ALGORITHM_SC_VERSION 0x00000001
|
|
|
|
namespace mozilla::dom {
|
|
|
|
// A heap-safe variant of RsaHashedKeyAlgorithm
|
|
// The only difference is that it uses CryptoBuffer instead of Uint8Array
|
|
struct RsaHashedKeyAlgorithmStorage {
|
|
nsString mName;
|
|
KeyAlgorithm mHash;
|
|
uint16_t mModulusLength;
|
|
CryptoBuffer mPublicExponent;
|
|
|
|
bool ToKeyAlgorithm(JSContext* aCx, RsaHashedKeyAlgorithm& aRsa,
|
|
ErrorResult& aError) const {
|
|
JS::Rooted<JSObject*> exponent(aCx,
|
|
mPublicExponent.ToUint8Array(aCx, aError));
|
|
if (aError.Failed()) {
|
|
return false;
|
|
}
|
|
|
|
aRsa.mName = mName;
|
|
aRsa.mModulusLength = mModulusLength;
|
|
aRsa.mHash.mName = mHash.mName;
|
|
aRsa.mPublicExponent.Init(exponent);
|
|
|
|
return true;
|
|
}
|
|
};
|
|
|
|
// This class encapuslates a KeyAlgorithm object, and adds several
|
|
// methods that make WebCrypto operations simpler.
|
|
struct KeyAlgorithmProxy {
|
|
enum KeyAlgorithmType { AES, HMAC, RSA, EC, KDF, OKP };
|
|
KeyAlgorithmType mType;
|
|
|
|
// Plain is always populated with the algorithm name
|
|
// Others are only populated for the corresponding key type
|
|
nsString mName;
|
|
AesKeyAlgorithm mAes;
|
|
HmacKeyAlgorithm mHmac;
|
|
RsaHashedKeyAlgorithmStorage mRsa;
|
|
EcKeyAlgorithm mEc;
|
|
KeyAlgorithm mKDF;
|
|
KeyAlgorithm mEd;
|
|
|
|
// Structured clone
|
|
bool WriteStructuredClone(JSStructuredCloneWriter* aWriter) const;
|
|
bool ReadStructuredClone(JSStructuredCloneReader* aReader);
|
|
|
|
// Extract various forms of derived information
|
|
CK_MECHANISM_TYPE Mechanism() const;
|
|
nsString JwkAlg() const;
|
|
|
|
// And in static form for calling on raw KeyAlgorithm dictionaries
|
|
static CK_MECHANISM_TYPE GetMechanism(const KeyAlgorithm& aAlgorithm);
|
|
static CK_MECHANISM_TYPE GetMechanism(const HmacKeyAlgorithm& aAlgorithm);
|
|
static nsString GetJwkAlg(const KeyAlgorithm& aAlgorithm);
|
|
|
|
// Construction of the various algorithm types
|
|
void MakeAes(const nsString& aName, uint32_t aLength) {
|
|
mType = AES;
|
|
mName = aName;
|
|
mAes.mName = aName;
|
|
mAes.mLength = aLength;
|
|
}
|
|
|
|
void MakeKDF(const nsString& aName) {
|
|
mType = KDF;
|
|
mName = aName;
|
|
mKDF.mName = aName;
|
|
}
|
|
|
|
void MakeHmac(uint32_t aLength, const nsString& aHashName) {
|
|
mType = HMAC;
|
|
mName = NS_LITERAL_STRING_FROM_CSTRING(WEBCRYPTO_ALG_HMAC);
|
|
mHmac.mName = NS_LITERAL_STRING_FROM_CSTRING(WEBCRYPTO_ALG_HMAC);
|
|
mHmac.mLength = aLength;
|
|
mHmac.mHash.mName = aHashName;
|
|
}
|
|
|
|
bool MakeRsa(const nsString& aName, uint32_t aModulusLength,
|
|
const CryptoBuffer& aPublicExponent, const nsString& aHashName) {
|
|
mType = RSA;
|
|
mName = aName;
|
|
mRsa.mName = aName;
|
|
mRsa.mModulusLength = aModulusLength;
|
|
mRsa.mHash.mName = aHashName;
|
|
if (!mRsa.mPublicExponent.Assign(aPublicExponent)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void MakeEc(const nsString& aName, const nsString& aNamedCurve) {
|
|
mType = EC;
|
|
mName = aName;
|
|
mEc.mName = aName;
|
|
mEc.mNamedCurve = aNamedCurve;
|
|
}
|
|
|
|
void MakeOKP(const nsString& aName) {
|
|
mType = OKP;
|
|
mName = aName;
|
|
mEd.mName = aName;
|
|
}
|
|
};
|
|
|
|
} // namespace mozilla::dom
|
|
|
|
#endif // mozilla_dom_KeyAlgorithmProxy_h
|