mirror of
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83 lines
2.3 KiB
C++
83 lines
2.3 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/AesKeyAlgorithm.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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JSObject*
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AesKeyAlgorithm::WrapObject(JSContext* aCx)
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{
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return AesKeyAlgorithmBinding::Wrap(aCx, this);
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}
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nsString
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AesKeyAlgorithm::ToJwkAlg() const
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{
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_CBC)) {
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switch (mLength) {
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case 128: return NS_LITERAL_STRING(JWK_ALG_A128CBC);
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case 192: return NS_LITERAL_STRING(JWK_ALG_A192CBC);
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case 256: return NS_LITERAL_STRING(JWK_ALG_A256CBC);
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}
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}
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_CTR)) {
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switch (mLength) {
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case 128: return NS_LITERAL_STRING(JWK_ALG_A128CTR);
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case 192: return NS_LITERAL_STRING(JWK_ALG_A192CTR);
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case 256: return NS_LITERAL_STRING(JWK_ALG_A256CTR);
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}
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}
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_GCM)) {
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switch (mLength) {
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case 128: return NS_LITERAL_STRING(JWK_ALG_A128GCM);
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case 192: return NS_LITERAL_STRING(JWK_ALG_A192GCM);
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case 256: return NS_LITERAL_STRING(JWK_ALG_A256GCM);
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}
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}
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_KW)) {
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switch (mLength) {
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case 128: return NS_LITERAL_STRING(JWK_ALG_A128KW);
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case 192: return NS_LITERAL_STRING(JWK_ALG_A192KW);
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case 256: return NS_LITERAL_STRING(JWK_ALG_A256KW);
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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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AesKeyAlgorithm::WriteStructuredClone(JSStructuredCloneWriter* aWriter) const
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{
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return JS_WriteUint32Pair(aWriter, SCTAG_AESKEYALG, 0) &&
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JS_WriteUint32Pair(aWriter, mLength, 0) &&
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WriteString(aWriter, mName);
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}
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KeyAlgorithm*
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AesKeyAlgorithm::Create(nsIGlobalObject* aGlobal, JSStructuredCloneReader* aReader)
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{
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uint32_t length, zero;
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nsString name;
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bool read = JS_ReadUint32Pair(aReader, &length, &zero) &&
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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 AesKeyAlgorithm(aGlobal, name, length);
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}
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} // namespace dom
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} // namespace mozilla
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