diff options
author | lloyd <[email protected]> | 2008-11-08 20:58:33 +0000 |
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committer | lloyd <[email protected]> | 2008-11-08 20:58:33 +0000 |
commit | bee2ca1cd5c59318d95d9363d82632aee253b913 (patch) | |
tree | 125a31fdccf62cf6a0fef72509384f4223f35374 /src/engine/def_engine/lookup_hash.cpp | |
parent | de0e6d06a2efa362f9803be6ca5a3535c043ebc8 (diff) |
Move most of the Default_Engine code into engine/def_engine, and the
engine base classes into src/engine
Diffstat (limited to 'src/engine/def_engine/lookup_hash.cpp')
-rw-r--r-- | src/engine/def_engine/lookup_hash.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/src/engine/def_engine/lookup_hash.cpp b/src/engine/def_engine/lookup_hash.cpp new file mode 100644 index 000000000..14ca5a859 --- /dev/null +++ b/src/engine/def_engine/lookup_hash.cpp @@ -0,0 +1,211 @@ +/************************************************* +* Hash Algorithms Lookup * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#include <botan/eng_def.h> +#include <botan/lookup.h> +#include <botan/libstate.h> +#include <botan/parsing.h> +#include <memory> + +#if defined(BOTAN_HAS_ADLER32) + #include <botan/adler32.h> +#endif + +#if defined(BOTAN_HAS_CRC24) + #include <botan/crc24.h> +#endif + +#if defined(BOTAN_HAS_CRC32) + #include <botan/crc32.h> +#endif + +#if defined(BOTAN_HAS_FORK_256) + #include <botan/fork256.h> +#endif + +#if defined(BOTAN_HAS_HAS_160) + #include <botan/has160.h> +#endif + +#if defined(BOTAN_HAS_MD2) + #include <botan/md2.h> +#endif + +#if defined(BOTAN_HAS_MD4) + #include <botan/md4.h> +#endif + +#if defined(BOTAN_HAS_MD4_IA32) + #include <botan/md4_ia32.h> +#endif + +#if defined(BOTAN_HAS_MD5) + #include <botan/md5.h> +#endif + +#if defined(BOTAN_HAS_MD5_IA32) + #include <botan/md5_ia32.h> +#endif + +#if defined(BOTAN_HAS_RIPEMD_128) + #include <botan/rmd128.h> +#endif + +#if defined(BOTAN_HAS_RIPEMD_160) + #include <botan/rmd160.h> +#endif + +#if defined(BOTAN_HAS_SHA1) + #include <botan/sha160.h> +#endif + +#if defined(BOTAN_HAS_SHA1_IA32) + #include <botan/sha1_ia32.h> +#endif + +#if defined(BOTAN_HAS_SHA1_SSE2) + #include <botan/sha1_sse2.h> +#endif + +#if defined(BOTAN_HAS_SHA1_AMD64) + #include <botan/sha1_amd64.h> +#endif + +#if defined(BOTAN_HAS_SHA2) + #include <botan/sha2_32.h> + #include <botan/sha2_64.h> +#endif + +#if defined(BOTAN_HAS_TIGER) + #include <botan/tiger.h> +#endif + +#if defined(BOTAN_HAS_WHIRLPOOL) + #include <botan/whrlpool.h> +#endif + +#if defined(BOTAN_HAS_PARALLEL_HASH) + #include <botan/par_hash.h> +#endif + +namespace Botan { + +/************************************************* +* Some macros to simplify control flow * +*************************************************/ +#define HANDLE_TYPE_NO_ARGS(NAME, TYPE) \ + if(algo_name == NAME) \ + { \ + if(name.size() == 1) \ + return new TYPE; \ + throw Invalid_Algorithm_Name(algo_spec); \ + } + +#define HANDLE_TYPE_TWO_U32BIT(NAME, TYPE, DEFAULT) \ + if(algo_name == NAME) \ + { \ + if(name.size() == 1) \ + return new TYPE(DEFAULT); \ + if(name.size() == 2) \ + return new TYPE(to_u32bit(name[1])); \ + if(name.size() == 3) \ + return new TYPE(to_u32bit(name[1]), to_u32bit(name[2])); \ + throw Invalid_Algorithm_Name(algo_spec); \ + } + +/************************************************* +* Look for an algorithm with this name * +*************************************************/ +HashFunction* +Default_Engine::find_hash(const std::string& algo_spec) const + { + std::vector<std::string> name = parse_algorithm_name(algo_spec); + if(name.empty()) + return 0; + const std::string algo_name = global_state().deref_alias(name[0]); + +#if defined(BOTAN_HAS_ADLER32) + HANDLE_TYPE_NO_ARGS("Adler32", Adler32); +#endif + +#if defined(BOTAN_HAS_CRC24) + HANDLE_TYPE_NO_ARGS("CRC24", CRC24); +#endif + +#if defined(BOTAN_HAS_CRC32) + HANDLE_TYPE_NO_ARGS("CRC32", CRC32); +#endif + +#if defined(BOTAN_HAS_FORK_256) + HANDLE_TYPE_NO_ARGS("FORK-256", FORK_256); +#endif + +#if defined(BOTAN_HAS_HAS_160) + HANDLE_TYPE_NO_ARGS("HAS-160", HAS_160); +#endif + +#if defined(BOTAN_HAS_MD2) + HANDLE_TYPE_NO_ARGS("MD2", MD2); +#endif + +#if defined(BOTAN_HAS_MD4_IA32) + HANDLE_TYPE_NO_ARGS("MD4", MD4_IA32); +#elif defined(BOTAN_HAS_MD4) + HANDLE_TYPE_NO_ARGS("MD4", MD4); +#endif + +#if defined(BOTAN_HAS_MD5_IA32) + HANDLE_TYPE_NO_ARGS("MD5", MD5_IA32); +#elif defined(BOTAN_HAS_MD5) + HANDLE_TYPE_NO_ARGS("MD5", MD5); +#endif + +#if defined(BOTAN_HAS_RIPEMD_128) + HANDLE_TYPE_NO_ARGS("RIPEMD-128", RIPEMD_128); +#endif + +#if defined(BOTAN_HAS_RIPEMD_160) + HANDLE_TYPE_NO_ARGS("RIPEMD-160", RIPEMD_160); +#endif + +#if defined(BOTAN_HAS_SHA1_SSE2) + HANDLE_TYPE_NO_ARGS("SHA-160", SHA_160_SSE2); +#elif defined(BOTAN_HAS_SHA1_AMD64) + HANDLE_TYPE_NO_ARGS("SHA-160", SHA_160_AMD64); +#elif defined(BOTAN_HAS_SHA1_IA32) + HANDLE_TYPE_NO_ARGS("SHA-160", SHA_160_IA32); +#elif defined(BOTAN_HAS_SHA1) + HANDLE_TYPE_NO_ARGS("SHA-160", SHA_160); +#endif + +#if defined(BOTAN_HAS_SHA2) + HANDLE_TYPE_NO_ARGS("SHA-224", SHA_224); + HANDLE_TYPE_NO_ARGS("SHA-256", SHA_256); + HANDLE_TYPE_NO_ARGS("SHA-384", SHA_384); + HANDLE_TYPE_NO_ARGS("SHA-512", SHA_512); +#endif + +#if defined(BOTAN_HAS_TIGER) + HANDLE_TYPE_TWO_U32BIT("Tiger", Tiger, 24); +#endif + +#if defined(BOTAN_HAS_WHIRLPOOL) + HANDLE_TYPE_NO_ARGS("Whirlpool", Whirlpool); +#endif + +#if defined(BOTAN_HAS_PARALLEL_HASH) + if(algo_name == "Parallel") + { + if(name.size() < 2) + throw Invalid_Algorithm_Name(algo_spec); + name.erase(name.begin()); + return new Parallel(name); + } +#endif + + return 0; + } + +} |