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authorlloyd <[email protected]>2008-11-11 19:20:32 +0000
committerlloyd <[email protected]>2008-11-11 19:20:32 +0000
commit2af6c4499013911d7b01ce3ce1acc5aa8fef15ab (patch)
tree894612d39bbcd50187334c1bedf197c4475c7393 /src/engine/def_engine/lookup_hash.cpp
parent25d7b7aa9e9896df45f12fa59db4c44411bc21f0 (diff)
Move most of the remaining libstate code to pk_engine.cpp, move engines
back to the toplevel since most othe dependencies have been removed now (except get_cipher which still needs changes)
Diffstat (limited to 'src/engine/def_engine/lookup_hash.cpp')
-rw-r--r--src/engine/def_engine/lookup_hash.cpp188
1 files changed, 188 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..48ed8bc04
--- /dev/null
+++ b/src/engine/def_engine/lookup_hash.cpp
@@ -0,0 +1,188 @@
+/*************************************************
+* Hash Algorithms Lookup *
+* (C) 1999-2007 Jack Lloyd *
+*************************************************/
+
+#include <botan/def_eng.h>
+#include <botan/scan_name.h>
+#include <botan/algo_factory.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_MD5)
+ #include <botan/md5.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_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 {
+
+/*************************************************
+* Look for an algorithm with this name *
+*************************************************/
+HashFunction*
+Default_Engine::find_hash(const SCAN_Name& request,
+ Algorithm_Factory& af) const
+ {
+#if defined(BOTAN_HAS_ADLER32)
+ if(request.algo_name() == "Adler32")
+ return new Adler32;
+#endif
+
+#if defined(BOTAN_HAS_CRC24)
+ if(request.algo_name() == "CRC24")
+ return new CRC24;
+#endif
+
+#if defined(BOTAN_HAS_CRC32)
+ if(request.algo_name() == "CRC32")
+ return new CRC32;
+#endif
+
+#if defined(BOTAN_HAS_FORK_256)
+ if(request.algo_name() == "FORK-256")
+ return new FORK_256;
+#endif
+
+#if defined(BOTAN_HAS_HAS_160)
+ if(request.algo_name() == "HAS-160")
+ return new HAS_160;
+#endif
+
+#if defined(BOTAN_HAS_MD2)
+ if(request.algo_name() == "MD2")
+ return new MD2;
+#endif
+
+#if defined(BOTAN_HAS_MD4)
+ if(request.algo_name() == "MD4")
+ return new MD4;
+#endif
+
+#if defined(BOTAN_HAS_MD5)
+ if(request.algo_name() == "MD5")
+ return new MD5;
+#endif
+
+#if defined(BOTAN_HAS_RIPEMD_128)
+ if(request.algo_name() == "RIPEMD-128")
+ return new RIPEMD_128;
+#endif
+
+#if defined(BOTAN_HAS_RIPEMD_160)
+ if(request.algo_name() == "RIPEMD-160")
+ return new RIPEMD_160;
+#endif
+
+#if defined(BOTAN_HAS_SHA1)
+ if(request.algo_name() == "SHA-160")
+ return new SHA_160;
+#endif
+
+#if defined(BOTAN_HAS_SHA2)
+ if(request.algo_name() == "SHA-224")
+ return new SHA_224;
+ if(request.algo_name() == "SHA-256")
+ return new SHA_256;
+ if(request.algo_name() == "SHA-384")
+ return new SHA_384;
+ if(request.algo_name() == "SHA-512")
+ return new SHA_512;
+#endif
+
+#if defined(BOTAN_HAS_TIGER)
+ if(request.algo_name() == "Tiger")
+ return new Tiger(request.arg_as_u32bit(0, 24), // hash output
+ request.arg_as_u32bit(1, 3)); // # passes
+#endif
+
+#if defined(BOTAN_HAS_WHIRLPOOL)
+ if(request.algo_name() == "Whirlpool")
+ return new Whirlpool;
+#endif
+
+#if defined(BOTAN_HAS_PARALLEL_HASH)
+
+ if(request.algo_name() == "Parallel")
+ {
+ std::vector<const HashFunction*> hash_prototypes;
+
+ /* First pass, just get the prototypes (no memory allocation). Then
+ if all were found, replace each prototype with a newly created clone
+ */
+ for(size_t i = 0; i != request.arg_count(); ++i)
+ {
+ const HashFunction* hash = af.prototype_hash_function(request.arg(i));
+ if(!hash)
+ return 0;
+
+ hash_prototypes.push_back(hash);
+ }
+
+ std::vector<HashFunction*> hashes;
+ for(size_t i = 0; i != hash_prototypes.size(); ++i)
+ hashes.push_back(hash_prototypes[i]->clone());
+
+ return new Parallel(hashes);
+ }
+
+#endif
+
+ return 0;
+ }
+
+}