mirror of
https://github.com/classilla/tenfourfox.git
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229 lines
6.6 KiB
C++
229 lines
6.6 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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/KeyAlgorithmProxy.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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bool
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KeyAlgorithmProxy::WriteStructuredClone(JSStructuredCloneWriter* aWriter) const
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{
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if (!WriteString(aWriter, mName) ||
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!JS_WriteUint32Pair(aWriter, mType, KEY_ALGORITHM_SC_VERSION)) {
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return false;
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}
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switch (mType) {
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case AES:
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return JS_WriteUint32Pair(aWriter, mAes.mLength, 0);
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case HMAC:
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return JS_WriteUint32Pair(aWriter, mHmac.mLength, 0) &&
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WriteString(aWriter, mHmac.mHash.mName);
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case RSA: {
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return JS_WriteUint32Pair(aWriter, mRsa.mModulusLength, 0) &&
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WriteBuffer(aWriter, mRsa.mPublicExponent) &&
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WriteString(aWriter, mRsa.mHash.mName);
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}
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case EC:
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return WriteString(aWriter, mEc.mNamedCurve);
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case DH: {
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return WriteBuffer(aWriter, mDh.mPrime) &&
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WriteBuffer(aWriter, mDh.mGenerator);
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}
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}
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return false;
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}
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bool
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KeyAlgorithmProxy::ReadStructuredClone(JSStructuredCloneReader* aReader)
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{
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uint32_t type, version, dummy;
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if (!ReadString(aReader, mName) ||
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!JS_ReadUint32Pair(aReader, &type, &version)) {
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return false;
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}
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if (version != KEY_ALGORITHM_SC_VERSION) {
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return false;
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}
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mType = (KeyAlgorithmType) type;
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switch (mType) {
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case AES: {
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uint32_t length;
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if (!JS_ReadUint32Pair(aReader, &length, &dummy)) {
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return false;
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}
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mAes.mLength = length;
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mAes.mName = mName;
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return true;
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}
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case HMAC: {
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if (!JS_ReadUint32Pair(aReader, &mHmac.mLength, &dummy) ||
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!ReadString(aReader, mHmac.mHash.mName)) {
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return false;
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}
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mHmac.mName = mName;
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return true;
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}
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case RSA: {
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uint32_t modulusLength;
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nsString hashName;
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if (!JS_ReadUint32Pair(aReader, &modulusLength, &dummy) ||
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!ReadBuffer(aReader, mRsa.mPublicExponent) ||
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!ReadString(aReader, mRsa.mHash.mName)) {
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return false;
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}
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mRsa.mModulusLength = modulusLength;
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mRsa.mName = mName;
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return true;
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}
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case EC: {
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nsString namedCurve;
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if (!ReadString(aReader, mEc.mNamedCurve)) {
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return false;
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}
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mEc.mName = mName;
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return true;
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}
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case DH: {
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if (!ReadBuffer(aReader, mDh.mPrime) ||
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!ReadBuffer(aReader, mDh.mGenerator)) {
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return false;
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}
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mDh.mName = mName;
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return true;
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}
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}
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return false;
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}
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CK_MECHANISM_TYPE
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KeyAlgorithmProxy::Mechanism() const
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{
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if (mType == HMAC) {
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return GetMechanism(mHmac);
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}
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return MapAlgorithmNameToMechanism(mName);
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}
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nsString
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KeyAlgorithmProxy::JwkAlg() const
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{
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_AES_CBC)) {
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switch (mAes.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 (mAes.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 (mAes.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 (mAes.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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if (mName.EqualsLiteral(WEBCRYPTO_ALG_HMAC)) {
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nsString hashName = mHmac.mHash.mName;
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if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
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return NS_LITERAL_STRING(JWK_ALG_HS1);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
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return NS_LITERAL_STRING(JWK_ALG_HS256);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
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return NS_LITERAL_STRING(JWK_ALG_HS384);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
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return NS_LITERAL_STRING(JWK_ALG_HS512);
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}
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}
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if (mName.EqualsLiteral(WEBCRYPTO_ALG_RSASSA_PKCS1)) {
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nsString hashName = mRsa.mHash.mName;
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if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
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return NS_LITERAL_STRING(JWK_ALG_RS1);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
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return NS_LITERAL_STRING(JWK_ALG_RS256);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
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return NS_LITERAL_STRING(JWK_ALG_RS384);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
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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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nsString hashName = mRsa.mHash.mName;
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if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA1)) {
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return NS_LITERAL_STRING(JWK_ALG_RSA_OAEP);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA256)) {
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return NS_LITERAL_STRING(JWK_ALG_RSA_OAEP_256);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA384)) {
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return NS_LITERAL_STRING(JWK_ALG_RSA_OAEP_384);
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} else if (hashName.EqualsLiteral(WEBCRYPTO_ALG_SHA512)) {
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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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CK_MECHANISM_TYPE
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KeyAlgorithmProxy::GetMechanism(const KeyAlgorithm& aAlgorithm)
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{
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// For everything but HMAC, the name determines the mechanism
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// HMAC is handled by the specialization below
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return MapAlgorithmNameToMechanism(aAlgorithm.mName);
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}
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CK_MECHANISM_TYPE
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KeyAlgorithmProxy::GetMechanism(const HmacKeyAlgorithm& aAlgorithm)
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{
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// The use of HmacKeyAlgorithm doesn't completely prevent this
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// method from being called with dictionaries that don't really
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// represent HMAC key algorithms.
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MOZ_ASSERT(aAlgorithm.mName.EqualsLiteral(WEBCRYPTO_ALG_HMAC));
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CK_MECHANISM_TYPE hashMech;
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hashMech = MapAlgorithmNameToMechanism(aAlgorithm.mHash.mName);
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switch (hashMech) {
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case CKM_SHA_1: return CKM_SHA_1_HMAC;
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case CKM_SHA256: return CKM_SHA256_HMAC;
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case CKM_SHA384: return CKM_SHA384_HMAC;
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case CKM_SHA512: return CKM_SHA512_HMAC;
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}
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return UNKNOWN_CK_MECHANISM;
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}
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} // namespace dom
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} // namespace mozilla
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