зеркало из https://github.com/mozilla/gecko-dev.git
81 строка
2.7 KiB
C++
81 строка
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:set ts=2 sw=2 sts=2 et cindent: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/RsaHashedKeyAlgorithm.h"
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#include "mozilla/dom/SubtleCryptoBinding.h"
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#include "mozilla/dom/WebCryptoCommon.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_INHERITED(RsaHashedKeyAlgorithm, RsaKeyAlgorithm, mHash)
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NS_IMPL_ADDREF_INHERITED(RsaHashedKeyAlgorithm, RsaKeyAlgorithm)
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NS_IMPL_RELEASE_INHERITED(RsaHashedKeyAlgorithm, RsaKeyAlgorithm)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(RsaHashedKeyAlgorithm)
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NS_INTERFACE_MAP_END_INHERITING(RsaKeyAlgorithm)
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JSObject*
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RsaHashedKeyAlgorithm::WrapObject(JSContext* aCx)
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{
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return RsaHashedKeyAlgorithmBinding::Wrap(aCx, this);
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}
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nsString
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RsaHashedKeyAlgorithm::ToJwkAlg() const
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{
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_RSASSA_PKCS1)) {
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switch (mHash->Mechanism()) {
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case CKM_SHA_1: return NS_LITERAL_STRING(JWK_ALG_RS1);
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case CKM_SHA256: return NS_LITERAL_STRING(JWK_ALG_RS256);
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case CKM_SHA384: return NS_LITERAL_STRING(JWK_ALG_RS384);
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case CKM_SHA512: return NS_LITERAL_STRING(JWK_ALG_RS512);
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}
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}
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_RSA_OAEP)) {
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switch(mHash->Mechanism()) {
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case CKM_SHA_1: return NS_LITERAL_STRING(JWK_ALG_RSA_OAEP);
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case CKM_SHA256: return NS_LITERAL_STRING(JWK_ALG_RSA_OAEP_256);
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case CKM_SHA384: return NS_LITERAL_STRING(JWK_ALG_RSA_OAEP_256);
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case CKM_SHA512: return NS_LITERAL_STRING(JWK_ALG_RSA_OAEP_512);
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}
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}
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return nsString();
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}
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bool
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RsaHashedKeyAlgorithm::WriteStructuredClone(JSStructuredCloneWriter* aWriter) const
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{
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nsString hashName;
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mHash->GetName(hashName);
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return JS_WriteUint32Pair(aWriter, SCTAG_RSAHASHEDKEYALG, 0) &&
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JS_WriteUint32Pair(aWriter, mModulusLength, 0) &&
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WriteBuffer(aWriter, mPublicExponent) &&
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WriteString(aWriter, hashName) &&
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WriteString(aWriter, mName);
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}
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KeyAlgorithm*
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RsaHashedKeyAlgorithm::Create(nsIGlobalObject* aGlobal, JSStructuredCloneReader* aReader) {
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uint32_t modulusLength, zero;
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CryptoBuffer publicExponent;
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nsString name, hash;
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bool read = JS_ReadUint32Pair(aReader, &modulusLength, &zero) &&
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ReadBuffer(aReader, publicExponent) &&
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ReadString(aReader, hash) &&
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ReadString(aReader, name);
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if (!read) {
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return nullptr;
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}
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return new RsaHashedKeyAlgorithm(aGlobal, name, modulusLength, publicExponent, hash);
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}
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} // namespace dom
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} // namespace mozilla
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