diff options
Diffstat (limited to 'src/libstate/eng_base.cpp')
| -rw-r--r-- | src/libstate/eng_base.cpp | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/src/libstate/eng_base.cpp b/src/libstate/eng_base.cpp deleted file mode 100644 index aaaf46723..000000000 --- a/src/libstate/eng_base.cpp +++ /dev/null @@ -1,252 +0,0 @@ -/************************************************* -* Basic No-Op Engine Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ - -#include <botan/engine.h> -#include <botan/libstate.h> -#include <botan/stl_util.h> -#include <botan/lookup.h> - -namespace Botan { - -namespace { - -/************************************************* -* Algorithm Cache * -*************************************************/ -template<typename T> -class Algorithm_Cache_Impl : public Engine::Algorithm_Cache<T> - { - public: - T* get(const std::string& name) const - { - Mutex_Holder lock(mutex); - return search_map(mappings, name); - } - - void add(T* algo, const std::string& index_name = "") const - { - if(!algo) - return; - - Mutex_Holder lock(mutex); - - const std::string name = - (index_name != "" ? index_name : algo->name()); - - if(mappings.find(name) != mappings.end()) - delete mappings[name]; - mappings[name] = algo; - } - - Algorithm_Cache_Impl() - { - mutex = global_state().get_mutex(); - } - - ~Algorithm_Cache_Impl() - { - typename std::map<std::string, T*>::iterator i = mappings.begin(); - - while(i != mappings.end()) - { - delete i->second; - ++i; - } - delete mutex; - } - private: - Mutex* mutex; - mutable std::map<std::string, T*> mappings; - }; - -} - -/************************************************* -* Acquire a BlockCipher * -*************************************************/ -const BlockCipher* Engine::block_cipher(const std::string& name) const - { - return lookup_algo(cache_of_bc, global_state().deref_alias(name), - this, &Engine::find_block_cipher); - } - -/************************************************* -* Acquire a StreamCipher * -*************************************************/ -const StreamCipher* Engine::stream_cipher(const std::string& name) const - { - return lookup_algo(cache_of_sc, global_state().deref_alias(name), - this, &Engine::find_stream_cipher); - } - -/************************************************* -* Acquire a HashFunction * -*************************************************/ -const HashFunction* Engine::hash(const std::string& name) const - { - return lookup_algo(cache_of_hf, global_state().deref_alias(name), - this, &Engine::find_hash); - } - -/************************************************* -* Acquire a MessageAuthenticationCode * -*************************************************/ -const MessageAuthenticationCode* Engine::mac(const std::string& name) const - { - return lookup_algo(cache_of_mac, global_state().deref_alias(name), - this, &Engine::find_mac); - } - -/************************************************* -* Acquire a S2K object * -*************************************************/ -const S2K* Engine::s2k(const std::string& name) const - { - return lookup_algo(cache_of_s2k, global_state().deref_alias(name), - this, &Engine::find_s2k); - } - -/************************************************* -* Acquire a cipher padding object * -*************************************************/ -const BlockCipherModePaddingMethod* -Engine::bc_pad(const std::string& name) const - { - return lookup_algo(cache_of_bc_pad, global_state().deref_alias(name), - this, &Engine::find_bc_pad); - } - -/************************************************* -* Add a block cipher to the lookup table * -*************************************************/ -void Engine::add_algorithm(BlockCipher* algo) const - { - cache_of_bc->add(algo); - } - -/************************************************* -* Add a stream cipher to the lookup table * -*************************************************/ -void Engine::add_algorithm(StreamCipher* algo) const - { - cache_of_sc->add(algo); - } - -/************************************************* -* Add a hash function to the lookup table * -*************************************************/ -void Engine::add_algorithm(HashFunction* algo) const - { - cache_of_hf->add(algo); - } - -/************************************************* -* Add a MAC to the lookup table * -*************************************************/ -void Engine::add_algorithm(MessageAuthenticationCode* algo) const - { - cache_of_mac->add(algo); - } - -/************************************************* -* Add a S2K to the lookup table * -*************************************************/ -void Engine::add_algorithm(S2K* algo) const - { - cache_of_s2k->add(algo); - } - -/************************************************* -* Add a cipher pad method to the lookup table * -*************************************************/ -void Engine::add_algorithm(BlockCipherModePaddingMethod* algo) const - { - cache_of_bc_pad->add(algo); - } - -/************************************************* -* Create an Engine * -*************************************************/ -Engine::Engine() - { - cache_of_bc = new Algorithm_Cache_Impl<BlockCipher>(); - cache_of_sc = new Algorithm_Cache_Impl<StreamCipher>(); - cache_of_hf = new Algorithm_Cache_Impl<HashFunction>(); - cache_of_mac = new Algorithm_Cache_Impl<MessageAuthenticationCode>(); - cache_of_s2k = new Algorithm_Cache_Impl<S2K>(); - cache_of_bc_pad = - new Algorithm_Cache_Impl<BlockCipherModePaddingMethod>(); - } - -/************************************************* -* Destroy an Engine * -*************************************************/ -Engine::~Engine() - { - delete cache_of_bc; - delete cache_of_sc; - delete cache_of_hf; - delete cache_of_mac; - delete cache_of_s2k; - delete cache_of_bc_pad; - } - -/************************************************* -* Basic No-Op Engine Implementation * -*************************************************/ -BlockCipher* Engine::find_block_cipher(const std::string&) const - { - return 0; - } - -/************************************************* -* Basic No-Op Engine Implementation * -*************************************************/ -StreamCipher* Engine::find_stream_cipher(const std::string&) const - { - return 0; - } - -/************************************************* -* Basic No-Op Engine Implementation * -*************************************************/ -HashFunction* Engine::find_hash(const std::string&) const - { - return 0; - } - -/************************************************* -* Basic No-Op Engine Implementation * -*************************************************/ -MessageAuthenticationCode* Engine::find_mac(const std::string&) const - { - return 0; - } - -/************************************************* -* Basic No-Op Engine Implementation * -*************************************************/ -S2K* Engine::find_s2k(const std::string&) const - { - return 0; - } - -/************************************************* -* Basic No-Op Engine Implementation * -*************************************************/ -BlockCipherModePaddingMethod* Engine::find_bc_pad(const std::string&) const - { - return 0; - } - -/************************************************* -* Basic No-Op Engine Implementation * -*************************************************/ -Keyed_Filter* Engine::get_cipher(const std::string&, Cipher_Dir) - { - return 0; - } - -} |