diff options
Diffstat (limited to 'SoftHSMv2/src/lib/data_mgr/SecureMemoryRegistry.h')
-rw-r--r-- | SoftHSMv2/src/lib/data_mgr/SecureMemoryRegistry.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/data_mgr/SecureMemoryRegistry.h b/SoftHSMv2/src/lib/data_mgr/SecureMemoryRegistry.h new file mode 100644 index 0000000..6c73369 --- /dev/null +++ b/SoftHSMv2/src/lib/data_mgr/SecureMemoryRegistry.h @@ -0,0 +1,73 @@ +/* + * Copyright (c) 2010 SURFnet bv + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/***************************************************************************** + SecureMemoryRegistry.h + + Implements a singleton class that keeps track of all securely allocated + memory. This registry can be used to wipe securely allocated memory in case + of a fatal exception + *****************************************************************************/ + +#ifndef _SOFTHSM_V2_SECUREMEMORYREGISTRY_H +#define _SOFTHSM_V2_SECUREMEMORYREGISTRY_H + +#include <stdlib.h> +#include <map> +#include <memory> +#include "MutexFactory.h" + +class SecureMemoryRegistry +{ +public: + SecureMemoryRegistry(); + + virtual ~SecureMemoryRegistry(); + + static SecureMemoryRegistry* i(); + + static void reset(); + + void add(void* pointer, size_t blocksize); + + size_t remove(void* pointer); + + void wipe(); + +private: +#ifdef HAVE_CXX11 + static std::unique_ptr<SecureMemoryRegistry> instance; +#else + static std::auto_ptr<SecureMemoryRegistry> instance; +#endif + + std::map<void*, size_t> registry; + + Mutex* SecMemRegistryMutex; +}; + +#endif // !_SOFTHSM_V2_SECUREMEMORYREGISTRY_H + |