diff options
Diffstat (limited to 'extra/yassl/taocrypt/src/aes.cpp')
| -rw-r--r-- | extra/yassl/taocrypt/src/aes.cpp | 85 |
1 files changed, 55 insertions, 30 deletions
diff --git a/extra/yassl/taocrypt/src/aes.cpp b/extra/yassl/taocrypt/src/aes.cpp index f976650e028..b49001f0a95 100644 --- a/extra/yassl/taocrypt/src/aes.cpp +++ b/extra/yassl/taocrypt/src/aes.cpp @@ -51,9 +51,8 @@ void AES::Process(byte* out, const byte* in, word32 sz) out += BLOCK_SIZE; in += BLOCK_SIZE; } - else if (mode_ == CBC) - { - if (dir_ == ENCRYPTION) + else if (mode_ == CBC) { + if (dir_ == ENCRYPTION) { while (blocks--) { r_[0] ^= *(word32*)in; r_[1] ^= *(word32*)(in + 4); @@ -66,7 +65,8 @@ void AES::Process(byte* out, const byte* in, word32 sz) out += BLOCK_SIZE; in += BLOCK_SIZE; } - else + } + else { while (blocks--) { AsmDecrypt(in, out, (void*)Td0); @@ -79,6 +79,7 @@ void AES::Process(byte* out, const byte* in, word32 sz) out += BLOCK_SIZE; in += BLOCK_SIZE; } + } } } @@ -453,27 +454,31 @@ void AES::decrypt(const byte* inBlock, const byte* xorBlock, #if defined(DO_AES_ASM) #ifdef __GNUC__ - #define AS1(x) asm(#x); - #define AS2(x, y) asm(#x ", " #y); + #define AS1(x) #x ";" + #define AS2(x, y) #x ", " #y ";" #define PROLOG() \ - asm(".intel_syntax noprefix"); \ - AS2( movd mm3, edi ) \ - AS2( movd mm4, ebx ) \ - AS2( sub esp, 4 ) \ - AS2( movd mm7, ebp ) \ - AS2( mov [ebp - 4], esi ) \ - AS2( mov ecx, DWORD PTR [ebp + 8] ) \ - AS2( mov esi, DWORD PTR [ebp + 12] ) \ - AS2( mov ebp, DWORD PTR [ebp + 20] ) + __asm__ __volatile__ \ + ( \ + ".intel_syntax noprefix;" \ + "push ebx;" \ + "push ebp;" \ + "movd mm7, ebp;" \ + "movd mm4, eax;" \ + "mov ebp, edx;" \ + "sub esp, 4;" #define EPILOG() \ - AS2( mov esi, [ebp - 4] ) \ - AS2( mov esp, ebp ) \ - AS2( movd ebx, mm4 ) \ - AS2( movd edi, mm3 ) \ - AS1( emms ) \ - asm(".att_syntax"); + "add esp, 4;" \ + "pop ebp;" \ + "pop ebx;" \ + "emms;" \ + ".att_syntax;" \ + : \ + : "c" (this), "S" (inBlock), "d" (boxes), "a" (outBlock) \ + : "%edi", "memory", "cc" \ + ); + #else #define AS1(x) __asm x #define AS2(x, y) __asm x, y @@ -505,6 +510,8 @@ void AES::decrypt(const byte* inBlock, const byte* xorBlock, #ifdef _MSC_VER __declspec(naked) +#else + __attribute__ ((noinline)) #endif void AES::AsmEncrypt(const byte* inBlock, byte* outBlock, void* boxes) const { @@ -538,7 +545,11 @@ void AES::AsmEncrypt(const byte* inBlock, byte* outBlock, void* boxes) const AS2( xor ecx, DWORD PTR [edi + 8] ) // s2 AS2( xor edx, DWORD PTR [edi + 12] ) // s3 - AS1(loop1: ) +#ifdef _MSC_VER + AS1( loop1: ) // loop1 +#else + AS1(1: ) // loop1 +#endif /* Put0 (mm0) = Te0[get0,rs 24] ^ Te1[get1,rs 16] ^ @@ -653,7 +664,11 @@ void AES::AsmEncrypt(const byte* inBlock, byte* outBlock, void* boxes) const AS1( dec edi ) AS2( movd mm5, edi ) - AS1( jnz loop1 ) +#ifdef _MSC_VER + AS1( jnz loop1) // loop1 +#else + AS1( jnz 1b ) // loop1 +#endif // last round /* @@ -800,9 +815,9 @@ void AES::AsmEncrypt(const byte* inBlock, byte* outBlock, void* boxes) const // store #ifdef __GNUC__ - AS2( mov esi, DWORD PTR [ebp + 16] ) // outBlock + AS2( movd esi, mm4 ) // outBlock #else - AS2( mov esi, DWORD PTR [ebp + 12] ) // outBlock + AS2( mov esi, DWORD PTR [ebp + 12] ) // outBlock #endif AS1( bswap ecx ) @@ -819,7 +834,9 @@ void AES::AsmEncrypt(const byte* inBlock, byte* outBlock, void* boxes) const #ifdef _MSC_VER - __declspec(naked) + __declspec(naked) +#else + __attribute__ ((noinline)) #endif void AES::AsmDecrypt(const byte* inBlock, byte* outBlock, void* boxes) const { @@ -854,7 +871,11 @@ void AES::AsmDecrypt(const byte* inBlock, byte* outBlock, void* boxes) const AS2( xor edx, DWORD PTR [edi + 12] ) // s3 - AS1(loop2: ) +#ifdef _MSC_VER + AS1( loop2: ) // loop2 +#else + AS1(2: ) // loop2 +#endif /* Put0 (mm0) = Td0[GETBYTE(get0, rs24)] ^ Td1[GETBYTE(get3, rs16)] ^ @@ -965,7 +986,11 @@ void AES::AsmDecrypt(const byte* inBlock, byte* outBlock, void* boxes) const AS1( dec edi ) AS2( movd mm5, edi ) - AS1( jnz loop2 ) +#ifdef _MSC_VER + AS1( jnz loop2) // loop2 +#else + AS1( jnz 2b ) // loop2 +#endif // last round /* @@ -1115,9 +1140,9 @@ void AES::AsmDecrypt(const byte* inBlock, byte* outBlock, void* boxes) const // store #ifdef __GNUC__ - AS2( mov esi, DWORD PTR [ebp + 16] ) // outBlock + AS2( movd esi, mm4 ) // outBlock #else - AS2( mov esi, DWORD PTR [ebp + 12] ) // outBlock + AS2( mov esi, DWORD PTR [ebp + 12] ) // outBlock #endif AS2( mov DWORD PTR [esi], eax ) AS2( mov DWORD PTR [esi + 4], ebx ) |