blob: 2d62b1a3359c5743c8dbd017fef6d328885db1de [file] [log] [blame]
// Copyright 2015 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "trunks/hmac_session_impl.h"
#include <string>
#include <base/logging.h>
#include <base/macros.h>
#include <base/stl_util.h>
#include <openssl/rand.h>
namespace trunks {
HmacSessionImpl::HmacSessionImpl(const TrunksFactory& factory)
: factory_(factory) {
session_manager_ = factory_.GetSessionManager();
HmacSessionImpl::~HmacSessionImpl() {
AuthorizationDelegate* HmacSessionImpl::GetDelegate() {
if (session_manager_->GetSessionHandle() == kUninitializedHandle) {
return nullptr;
return &hmac_delegate_;
TPM_RC HmacSessionImpl::StartBoundSession(
TPMI_DH_ENTITY bind_entity,
const std::string& bind_authorization_value,
bool salted,
bool enable_encryption) {
return session_manager_->StartSession(TPM_SE_HMAC, bind_entity,
bind_authorization_value, salted,
enable_encryption, &hmac_delegate_);
TPM_RC HmacSessionImpl::StartUnboundSession(bool salted,
bool enable_encryption) {
// Starting an unbound session is the same as starting a session bound to
// TPM_RH_NULL. In this case, the authorization is the zero length buffer.
// We can therefore simply call StartBoundSession with TPM_RH_NULL as the
// binding entity, and the empty string as the authorization.
return StartBoundSession(TPM_RH_NULL, "", salted, enable_encryption);
void HmacSessionImpl::SetEntityAuthorizationValue(const std::string& value) {
void HmacSessionImpl::SetFutureAuthorizationValue(const std::string& value) {
} // namespace trunks