diff libtomcrypt/src/headers/tomcrypt_macros.h @ 285:1b9e69c058d2

propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 13:23:58 +0000
parents
children 0cbe8f6dbf9e
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libtomcrypt/src/headers/tomcrypt_macros.h	Wed Mar 08 13:23:58 2006 +0000
@@ -0,0 +1,377 @@
+/* fix for MSVC ...evil! */
+#ifdef _MSC_VER
+   #define CONST64(n) n ## ui64
+   typedef unsigned __int64 ulong64;
+#else
+   #define CONST64(n) n ## ULL
+   typedef unsigned long long ulong64;
+#endif
+
+/* this is the "32-bit at least" data type 
+ * Re-define it to suit your platform but it must be at least 32-bits 
+ */
+#if defined(__x86_64__)
+   typedef unsigned ulong32;
+#else
+   typedef unsigned long ulong32;
+#endif
+
+/* ---- HELPER MACROS ---- */
+#ifdef ENDIAN_NEUTRAL
+
+#define STORE32L(x, y)                                                                     \
+     { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD32L(x, y)                            \
+     { x = ((unsigned long)((y)[3] & 255)<<24) | \
+           ((unsigned long)((y)[2] & 255)<<16) | \
+           ((unsigned long)((y)[1] & 255)<<8)  | \
+           ((unsigned long)((y)[0] & 255)); }
+
+#define STORE64L(x, y)                                                                     \
+     { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255);   \
+       (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255);   \
+       (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD64L(x, y)                                                       \
+     { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \
+           (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \
+           (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \
+           (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
+
+#define STORE32H(x, y)                                                                     \
+     { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255);   \
+       (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }
+
+#define LOAD32H(x, y)                            \
+     { x = ((unsigned long)((y)[0] & 255)<<24) | \
+           ((unsigned long)((y)[1] & 255)<<16) | \
+           ((unsigned long)((y)[2] & 255)<<8)  | \
+           ((unsigned long)((y)[3] & 255)); }
+
+#define STORE64H(x, y)                                                                     \
+   { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255);     \
+     (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255);     \
+     (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255);     \
+     (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
+
+#define LOAD64H(x, y)                                                      \
+   { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \
+         (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \
+         (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \
+         (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }
+
+#endif /* ENDIAN_NEUTRAL */
+
+#ifdef ENDIAN_LITTLE
+
+#if !defined(LTC_NO_BSWAP) && (defined(INTEL_CC) || (defined(__GNUC__) && (defined(__DJGPP__) || defined(__CYGWIN__) || defined(__MINGW32__) || defined(__i386__) || defined(__x86_64__))))
+
+#define STORE32H(x, y)           \
+asm __volatile__ (               \
+   "bswapl %0     \n\t"          \
+   "movl   %0,(%2)\n\t"          \
+   "bswapl %0     \n\t"          \
+      :"=r"(x):"0"(x), "r"(y));
+
+#define LOAD32H(x, y)          \
+asm __volatile__ (             \
+   "movl (%2),%0\n\t"          \
+   "bswapl %0\n\t"             \
+   :"=r"(x): "0"(x), "r"(y));
+
+#else
+
+#define STORE32H(x, y)                                                                     \
+     { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255);   \
+       (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }
+
+#define LOAD32H(x, y)                            \
+     { x = ((unsigned long)((y)[0] & 255)<<24) | \
+           ((unsigned long)((y)[1] & 255)<<16) | \
+           ((unsigned long)((y)[2] & 255)<<8)  | \
+           ((unsigned long)((y)[3] & 255)); }
+
+#endif
+
+
+/* x86_64 processor */
+#if !defined(LTC_NO_BSWAP) && (defined(__GNUC__) && defined(__x86_64__))
+
+#define STORE64H(x, y)           \
+asm __volatile__ (               \
+   "bswapq %0     \n\t"          \
+   "movq   %0,(%2)\n\t"          \
+   "bswapq %0     \n\t"          \
+      :"=r"(x):"0"(x), "r"(y):"0");
+
+#define LOAD64H(x, y)          \
+asm __volatile__ (             \
+   "movq (%2),%0\n\t"          \
+   "bswapq %0\n\t"             \
+   :"=r"(x): "0"(x), "r"(y));
+
+#else
+
+#define STORE64H(x, y)                                                                     \
+   { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255);     \
+     (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255);     \
+     (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255);     \
+     (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }
+
+#define LOAD64H(x, y)                                                      \
+   { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48) | \
+         (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32) | \
+         (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16) | \
+         (((ulong64)((y)[6] & 255))<<8)|(((ulong64)((y)[7] & 255))); }
+
+#endif
+
+#ifdef ENDIAN_32BITWORD 
+
+#define STORE32L(x, y)        \
+     { ulong32  __t = (x); memcpy(y, &__t, 4); }
+
+#define LOAD32L(x, y)         \
+     memcpy(&(x), y, 4);
+
+#define STORE64L(x, y)                                                                     \
+     { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255);   \
+       (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255);   \
+       (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD64L(x, y)                                                       \
+     { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48)| \
+           (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32)| \
+           (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16)| \
+           (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
+
+#else /* 64-bit words then  */
+
+#define STORE32L(x, y)        \
+     { ulong32 __t = (x); memcpy(y, &__t, 4); }
+
+#define LOAD32L(x, y)         \
+     { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }
+
+#define STORE64L(x, y)        \
+     { ulong64 __t = (x); memcpy(y, &__t, 8); }
+
+#define LOAD64L(x, y)         \
+    { memcpy(&(x), y, 8); }
+
+#endif /* ENDIAN_64BITWORD */
+
+#endif /* ENDIAN_LITTLE */
+
+#ifdef ENDIAN_BIG
+#define STORE32L(x, y)                                                                     \
+     { (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);   \
+       (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD32L(x, y)                            \
+     { x = ((unsigned long)((y)[3] & 255)<<24) | \
+           ((unsigned long)((y)[2] & 255)<<16) | \
+           ((unsigned long)((y)[1] & 255)<<8)  | \
+           ((unsigned long)((y)[0] & 255)); }
+
+#define STORE64L(x, y)                                                                     \
+   { (y)[7] = (unsigned char)(((x)>>56)&255); (y)[6] = (unsigned char)(((x)>>48)&255);     \
+     (y)[5] = (unsigned char)(((x)>>40)&255); (y)[4] = (unsigned char)(((x)>>32)&255);     \
+     (y)[3] = (unsigned char)(((x)>>24)&255); (y)[2] = (unsigned char)(((x)>>16)&255);     \
+     (y)[1] = (unsigned char)(((x)>>8)&255); (y)[0] = (unsigned char)((x)&255); }
+
+#define LOAD64L(x, y)                                                      \
+   { x = (((ulong64)((y)[7] & 255))<<56)|(((ulong64)((y)[6] & 255))<<48) | \
+         (((ulong64)((y)[5] & 255))<<40)|(((ulong64)((y)[4] & 255))<<32) | \
+         (((ulong64)((y)[3] & 255))<<24)|(((ulong64)((y)[2] & 255))<<16) | \
+         (((ulong64)((y)[1] & 255))<<8)|(((ulong64)((y)[0] & 255))); }
+
+#ifdef ENDIAN_32BITWORD 
+
+#define STORE32H(x, y)        \
+     { ulong32 __t = (x); memcpy(y, &__t, 4); }
+
+#define LOAD32H(x, y)         \
+     memcpy(&(x), y, 4);
+
+#define STORE64H(x, y)                                                                     \
+     { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255);   \
+       (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255);   \
+       (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255);   \
+       (y)[6] = (unsigned char)(((x)>>8)&255);  (y)[7] = (unsigned char)((x)&255); }
+
+#define LOAD64H(x, y)                                                       \
+     { x = (((ulong64)((y)[0] & 255))<<56)|(((ulong64)((y)[1] & 255))<<48)| \
+           (((ulong64)((y)[2] & 255))<<40)|(((ulong64)((y)[3] & 255))<<32)| \
+           (((ulong64)((y)[4] & 255))<<24)|(((ulong64)((y)[5] & 255))<<16)| \
+           (((ulong64)((y)[6] & 255))<<8)| (((ulong64)((y)[7] & 255))); }
+
+#else /* 64-bit words then  */
+
+#define STORE32H(x, y)        \
+     { ulong32 __t = (x); memcpy(y, &__t, 4); }
+
+#define LOAD32H(x, y)         \
+     { memcpy(&(x), y, 4); x &= 0xFFFFFFFF; }
+
+#define STORE64H(x, y)        \
+     { ulong64 __t = (x); memcpy(y, &__t, 8); }
+
+#define LOAD64H(x, y)         \
+    { memcpy(&(x), y, 8); }
+
+#endif /* ENDIAN_64BITWORD */
+#endif /* ENDIAN_BIG */
+
+#define BSWAP(x)  ( ((x>>24)&0x000000FFUL) | ((x<<24)&0xFF000000UL)  | \
+                    ((x>>8)&0x0000FF00UL)  | ((x<<8)&0x00FF0000UL) )
+
+
+/* 32-bit Rotates */
+#if defined(_MSC_VER)
+
+/* instrinsic rotate */
+#include <stdlib.h>
+#pragma intrinsic(_lrotr,_lrotl)
+#define ROR(x,n) _lrotr(x,n)
+#define ROL(x,n) _lrotl(x,n)
+#define RORc(x,n) _lrotr(x,n)
+#define ROLc(x,n) _lrotl(x,n)
+
+#elif defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__)) && !defined(INTEL_CC) && !defined(LTC_NO_ASM)
+
+static inline unsigned ROL(unsigned word, int i)
+{
+   asm ("roll %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+static inline unsigned ROR(unsigned word, int i)
+{
+   asm ("rorl %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+#ifndef LTC_NO_ROLC
+
+static inline unsigned ROLc(unsigned word, const int i)
+{
+   asm ("roll %2,%0"
+      :"=r" (word)
+      :"0" (word),"I" (i));
+   return word;
+}
+
+static inline unsigned RORc(unsigned word, const int i)
+{
+   asm ("rorl %2,%0"
+      :"=r" (word)
+      :"0" (word),"I" (i));
+   return word;
+}
+
+#else
+
+#define ROLc ROL
+#define RORc ROR
+
+#endif
+
+#else
+
+/* rotates the hard way */
+#define ROL(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+#define ROR(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+#define ROLc(x, y) ( (((unsigned long)(x)<<(unsigned long)((y)&31)) | (((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+#define RORc(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)
+
+#endif
+
+
+/* 64-bit Rotates */
+#if defined(__GNUC__) && defined(__x86_64__) && !defined(LTC_NO_ASM)
+
+static inline unsigned long ROL64(unsigned long word, int i)
+{
+   asm("rolq %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+static inline unsigned long ROR64(unsigned long word, int i)
+{
+   asm("rorq %%cl,%0"
+      :"=r" (word)
+      :"0" (word),"c" (i));
+   return word;
+}
+
+#ifndef LTC_NO_ROLC
+
+static inline unsigned long ROL64c(unsigned long word, const int i)
+{
+   asm("rolq %2,%0"
+      :"=r" (word)
+      :"0" (word),"J" (i));
+   return word;
+}
+
+static inline unsigned long ROR64c(unsigned long word, const int i)
+{
+   asm("rorq %2,%0"
+      :"=r" (word)
+      :"0" (word),"J" (i));
+   return word;
+}
+
+#else /* LTC_NO_ROLC */
+
+#define ROL64c ROL64
+#define ROR64c ROR64
+
+#endif
+
+#else /* Not x86_64  */
+
+#define ROL64(x, y) \
+    ( (((x)<<((ulong64)(y)&63)) | \
+      (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#define ROR64(x, y) \
+    ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \
+      ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#define ROL64c(x, y) \
+    ( (((x)<<((ulong64)(y)&63)) | \
+      (((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)64-((y)&63)))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#define ROR64c(x, y) \
+    ( ((((x)&CONST64(0xFFFFFFFFFFFFFFFF))>>((ulong64)(y)&CONST64(63))) | \
+      ((x)<<((ulong64)(64-((y)&CONST64(63)))))) & CONST64(0xFFFFFFFFFFFFFFFF))
+
+#endif
+
+#undef MAX
+#undef MIN
+#define MAX(x, y) ( ((x)>(y))?(x):(y) )
+#define MIN(x, y) ( ((x)<(y))?(x):(y) )
+
+/* extract a byte portably */
+#ifdef _MSC_VER
+   #define byte(x, n) ((unsigned char)((x) >> (8 * (n))))
+#else
+   #define byte(x, n) (((x) >> (8 * (n))) & 255)
+#endif   
+
+/* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_macros.h,v $ */
+/* $Revision: 1.7 $ */
+/* $Date: 2005/05/05 14:35:58 $ */