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add aesni intel asm syntax for aesni, abstract cpuid and asm linkage better for msvc

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toddouska
2014-05-19 13:55:42 -07:00
parent 6e5f800555
commit b9d9371aed
4 changed files with 882 additions and 20 deletions
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41
ctaocrypt/src/aes.c
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@@ -1551,31 +1551,34 @@ static const word32 Td[5][256] = {
#ifdef CYASSL_AESNI
/* Each platform needs to query info type 1 from cpuid to see if aesni is
* supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
*/
#ifndef _MSC_VER
#define cpuid(func,ax,bx,cx,dx)\
#define cpuid(reg, func)\
__asm__ __volatile__ ("cpuid":\
"=a" (ax), "=b" (bx), "=c" (cx), "=d" (dx) : "a" (func));
"=a" (reg[0]), "=b" (reg[1]), "=c" (reg[2]), "=d" (reg[3]) :\
"a" (func));
#define XASM_LINK(f) asm(f)
#else
#define cpuid(func,ax,bx,cx,dx)\
__asm mov eax, func \
__asm cpuid \
__asm mov ax, eax \
__asm mov bx, ebx \
__asm mov cx, ecx \
__asm mov dx, edx
#include <intrin.h>
#define cpuid(a,b) __cpuid(a,b)
#define XASM_LINK(f)
#endif /* _MSC_VER */
static int Check_CPU_support_AES(void)
{
unsigned int a,b,c,d;
cpuid(1,a,b,c,d);
unsigned int reg[4]; /* put a,b,c,d into 0,1,2,3 */
cpuid(reg, 1); /* query info 1 */
if (c & 0x2000000)
if (reg[2] & 0x2000000)
return 1;
return 0;
@@ -1590,34 +1593,34 @@ static int haveAESNI = 0;
void AES_CBC_encrypt(const unsigned char* in, unsigned char* out,
unsigned char* ivec, unsigned long length,
const unsigned char* KS, int nr)
asm ("AES_CBC_encrypt");
XASM_LINK("AES_CBC_encrypt");
void AES_CBC_decrypt(const unsigned char* in, unsigned char* out,
unsigned char* ivec, unsigned long length,
const unsigned char* KS, int nr)
asm ("AES_CBC_decrypt");
XASM_LINK("AES_CBC_decrypt");
void AES_ECB_encrypt(const unsigned char* in, unsigned char* out,
unsigned long length, const unsigned char* KS, int nr)
asm ("AES_ECB_encrypt");
XASM_LINK("AES_ECB_encrypt");
void AES_ECB_decrypt(const unsigned char* in, unsigned char* out,
unsigned long length, const unsigned char* KS, int nr)
asm ("AES_ECB_decrypt");
XASM_LINK("AES_ECB_decrypt");
void AES_128_Key_Expansion(const unsigned char* userkey,
unsigned char* key_schedule)
asm ("AES_128_Key_Expansion");
XASM_LINK("AES_128_Key_Expansion");
void AES_192_Key_Expansion(const unsigned char* userkey,
unsigned char* key_schedule)
asm ("AES_192_Key_Expansion");
XASM_LINK("AES_192_Key_Expansion");
void AES_256_Key_Expansion(const unsigned char* userkey,
unsigned char* key_schedule)
asm ("AES_256_Key_Expansion");
XASM_LINK("AES_256_Key_Expansion");
static int AES_set_encrypt_key(const unsigned char *userKey, const int bits,