Loading engines/e_padlock.c +91 −29 Original line number Diff line number Diff line Loading @@ -533,34 +533,96 @@ PADLOCK_XCRYPT_ASM(padlock_xcrypt_ecb, 0xc8) static int __fastcall padlock_xstore(void *outp, unsigned int code) { _asm mov edi,ecx _asm _emit 0x0f _asm _emit 0xa7 _asm _emit 0xc0} _asm _emit 0x0f _asm _emit 0xa7 _asm _emit 0xc0 } static void __fastcall padlock_reload_key(void) { _asm pushfd _asm popfd} _asm pushfd _asm popfd } static void __fastcall padlock_verify_context(void *cdata) { _asm { pushfd bt DWORD PTR[esp], 30 jnc skip cmp ecx, padlock_saved_context je skip popfd sub esp, 4 skip:add esp, 4 mov padlock_saved_context, ecx}} static int padlock_available(void) pushfd bt DWORD PTR[esp],30 jnc skip cmp ecx,padlock_saved_context je skip popfd sub esp,4 skip: add esp,4 mov padlock_saved_context,ecx } } static int padlock_available(void) { _asm { pushfd pop eax mov ecx, eax xor eax, 1 << 21 push eax popfd pushfd pop eax xor eax, ecx bt eax, 21 jnc noluck mov eax, 0 cpuid xor eax, eax cmp ebx, 'tneC' jne noluck cmp edx, 'Hrua' jne noluck cmp ecx, 'slua' jne noluck mov eax, 0xC0000000 cpuid mov edx, eax xor eax, eax cmp edx, 0xC0000001 jb noluck mov eax, 0xC0000001 cpuid xor eax, eax bt edx, 6 jnc skip_a bt edx, 7 jnc skip_a mov padlock_use_ace, 1 inc eax skip_a:bt edx, 2 jnc skip_r bt edx, 3 jnc skip_r mov padlock_use_rng, 1 inc eax skip_r:noluck:}} static void __fastcall padlock_bswapl(void *key) pushfd pop eax mov ecx,eax xor eax,1<<21 push eax popfd pushfd pop eax xor eax,ecx bt eax,21 jnc noluck mov eax,0 cpuid xor eax,eax cmp ebx,'tneC' jne noluck cmp edx,'Hrua' jne noluck cmp ecx,'slua' jne noluck mov eax,0xC0000000 cpuid mov edx,eax xor eax,eax cmp edx,0xC0000001 jb noluck mov eax,0xC0000001 cpuid xor eax,eax bt edx,6 jnc skip_a bt edx,7 jnc skip_a mov padlock_use_ace,1 inc eax skip_a: bt edx,2 jnc skip_r bt edx,3 jnc skip_r mov padlock_use_rng,1 inc eax skip_r: noluck: } } static void __fastcall padlock_bswapl(void *key) { _asm { pushfd cld mov esi, ecx mov edi, ecx mov ecx, 60 up:lodsd bswap eax stosd loop up popfd}} pushfd cld mov esi,ecx mov edi,ecx mov ecx,60 up: lodsd bswap eax stosd loop up popfd } } /* * MS actually specifies status of Direction Flag and compiler even manages * to compile following as 'rep movsd' all by itself... Loading Loading
engines/e_padlock.c +91 −29 Original line number Diff line number Diff line Loading @@ -533,34 +533,96 @@ PADLOCK_XCRYPT_ASM(padlock_xcrypt_ecb, 0xc8) static int __fastcall padlock_xstore(void *outp, unsigned int code) { _asm mov edi,ecx _asm _emit 0x0f _asm _emit 0xa7 _asm _emit 0xc0} _asm _emit 0x0f _asm _emit 0xa7 _asm _emit 0xc0 } static void __fastcall padlock_reload_key(void) { _asm pushfd _asm popfd} _asm pushfd _asm popfd } static void __fastcall padlock_verify_context(void *cdata) { _asm { pushfd bt DWORD PTR[esp], 30 jnc skip cmp ecx, padlock_saved_context je skip popfd sub esp, 4 skip:add esp, 4 mov padlock_saved_context, ecx}} static int padlock_available(void) pushfd bt DWORD PTR[esp],30 jnc skip cmp ecx,padlock_saved_context je skip popfd sub esp,4 skip: add esp,4 mov padlock_saved_context,ecx } } static int padlock_available(void) { _asm { pushfd pop eax mov ecx, eax xor eax, 1 << 21 push eax popfd pushfd pop eax xor eax, ecx bt eax, 21 jnc noluck mov eax, 0 cpuid xor eax, eax cmp ebx, 'tneC' jne noluck cmp edx, 'Hrua' jne noluck cmp ecx, 'slua' jne noluck mov eax, 0xC0000000 cpuid mov edx, eax xor eax, eax cmp edx, 0xC0000001 jb noluck mov eax, 0xC0000001 cpuid xor eax, eax bt edx, 6 jnc skip_a bt edx, 7 jnc skip_a mov padlock_use_ace, 1 inc eax skip_a:bt edx, 2 jnc skip_r bt edx, 3 jnc skip_r mov padlock_use_rng, 1 inc eax skip_r:noluck:}} static void __fastcall padlock_bswapl(void *key) pushfd pop eax mov ecx,eax xor eax,1<<21 push eax popfd pushfd pop eax xor eax,ecx bt eax,21 jnc noluck mov eax,0 cpuid xor eax,eax cmp ebx,'tneC' jne noluck cmp edx,'Hrua' jne noluck cmp ecx,'slua' jne noluck mov eax,0xC0000000 cpuid mov edx,eax xor eax,eax cmp edx,0xC0000001 jb noluck mov eax,0xC0000001 cpuid xor eax,eax bt edx,6 jnc skip_a bt edx,7 jnc skip_a mov padlock_use_ace,1 inc eax skip_a: bt edx,2 jnc skip_r bt edx,3 jnc skip_r mov padlock_use_rng,1 inc eax skip_r: noluck: } } static void __fastcall padlock_bswapl(void *key) { _asm { pushfd cld mov esi, ecx mov edi, ecx mov ecx, 60 up:lodsd bswap eax stosd loop up popfd}} pushfd cld mov esi,ecx mov edi,ecx mov ecx,60 up: lodsd bswap eax stosd loop up popfd } } /* * MS actually specifies status of Direction Flag and compiler even manages * to compile following as 'rep movsd' all by itself... Loading