diff options
| author | lloyd <[email protected]> | 2009-09-25 11:51:55 +0000 |
|---|---|---|
| committer | lloyd <[email protected]> | 2009-09-25 11:51:55 +0000 |
| commit | 03f41b6ceb6e9dcfbe4b134239431de43afd7e6b (patch) | |
| tree | 9ca56356954b58ac1aeffeca147f770db1c03956 /src/engine | |
| parent | 7e839d037119055b572f40ce0cd882f85583db2e (diff) | |
Add runtime cpuid support. Check in the SSE2 engine that SSE2 is actually
existing on the current CPU before returning an object.
Diffstat (limited to 'src/engine')
| -rw-r--r-- | src/engine/sse2_eng/eng_sse2.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/engine/sse2_eng/eng_sse2.cpp b/src/engine/sse2_eng/eng_sse2.cpp index 9f68a070e..07c625c7c 100644 --- a/src/engine/sse2_eng/eng_sse2.cpp +++ b/src/engine/sse2_eng/eng_sse2.cpp @@ -6,6 +6,7 @@ */ #include <botan/eng_sse2.h> +#include <botan/cpuid.h> #if defined(BOTAN_HAS_SHA1_SSE2) #include <botan/sha1_sse2.h> @@ -21,6 +22,9 @@ BlockCipher* SSE2_Assembler_Engine::find_block_cipher(const SCAN_Name& request, Algorithm_Factory&) const { + if(!CPUID::has_sse2()) + return 0; + #if defined(BOTAN_HAS_SERPENT_SSE2) if(request.algo_name() == "Serpent") return new Serpent_SSE2; @@ -33,6 +37,9 @@ HashFunction* SSE2_Assembler_Engine::find_hash(const SCAN_Name& request, Algorithm_Factory&) const { + if(!CPUID::has_sse2()) + return 0; + #if defined(BOTAN_HAS_SHA1_SSE2) if(request.algo_name() == "SHA-160") return new SHA_160_SSE2; |