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-rw-r--r--crypto/bn/bn_lcl.h625
1 files changed, 310 insertions, 315 deletions
diff --git a/crypto/bn/bn_lcl.h b/crypto/bn/bn_lcl.h
index 817c773b6590..1059d1d4b5c8 100644
--- a/crypto/bn/bn_lcl.h
+++ b/crypto/bn/bn_lcl.h
@@ -5,21 +5,21 @@
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
- *
+ *
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
+ *
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -34,10 +34,10 @@
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
+ * 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
+ *
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- *
+ *
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
@@ -63,7 +63,7 @@
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
@@ -110,16 +110,15 @@
*/
#ifndef HEADER_BN_LCL_H
-#define HEADER_BN_LCL_H
+# define HEADER_BN_LCL_H
-#include <openssl/bn.h>
+# include <openssl/bn.h>
#ifdef __cplusplus
extern "C" {
#endif
-
-/*
+/*-
* BN_window_bits_for_exponent_size -- macro for sliding window mod_exp functions
*
*
@@ -144,73 +143,68 @@ extern "C" {
* (with draws in between). Very small exponents are often selected
* with low Hamming weight, so we use w = 1 for b <= 23.
*/
-#if 1
-#define BN_window_bits_for_exponent_size(b) \
- ((b) > 671 ? 6 : \
- (b) > 239 ? 5 : \
- (b) > 79 ? 4 : \
- (b) > 23 ? 3 : 1)
-#else
-/* Old SSLeay/OpenSSL table.
- * Maximum window size was 5, so this table differs for b==1024;
- * but it coincides for other interesting values (b==160, b==512).
+# if 1
+# define BN_window_bits_for_exponent_size(b) \
+ ((b) > 671 ? 6 : \
+ (b) > 239 ? 5 : \
+ (b) > 79 ? 4 : \
+ (b) > 23 ? 3 : 1)
+# else
+/*
+ * Old SSLeay/OpenSSL table. Maximum window size was 5, so this table differs
+ * for b==1024; but it coincides for other interesting values (b==160,
+ * b==512).
*/
-#define BN_window_bits_for_exponent_size(b) \
- ((b) > 255 ? 5 : \
- (b) > 127 ? 4 : \
- (b) > 17 ? 3 : 1)
-#endif
-
-
+# define BN_window_bits_for_exponent_size(b) \
+ ((b) > 255 ? 5 : \
+ (b) > 127 ? 4 : \
+ (b) > 17 ? 3 : 1)
+# endif
-/* BN_mod_exp_mont_conttime is based on the assumption that the
- * L1 data cache line width of the target processor is at least
- * the following value.
+/*
+ * BN_mod_exp_mont_conttime is based on the assumption that the L1 data cache
+ * line width of the target processor is at least the following value.
*/
-#define MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH ( 64 )
-#define MOD_EXP_CTIME_MIN_CACHE_LINE_MASK (MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH - 1)
+# define MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH ( 64 )
+# define MOD_EXP_CTIME_MIN_CACHE_LINE_MASK (MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH - 1)
-/* Window sizes optimized for fixed window size modular exponentiation
- * algorithm (BN_mod_exp_mont_consttime).
- *
- * To achieve the security goals of BN_mode_exp_mont_consttime, the
- * maximum size of the window must not exceed
- * log_2(MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH).
- *
- * Window size thresholds are defined for cache line sizes of 32 and 64,
- * cache line sizes where log_2(32)=5 and log_2(64)=6 respectively. A
- * window size of 7 should only be used on processors that have a 128
- * byte or greater cache line size.
+/*
+ * Window sizes optimized for fixed window size modular exponentiation
+ * algorithm (BN_mod_exp_mont_consttime). To achieve the security goals of
+ * BN_mode_exp_mont_consttime, the maximum size of the window must not exceed
+ * log_2(MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH). Window size thresholds are
+ * defined for cache line sizes of 32 and 64, cache line sizes where
+ * log_2(32)=5 and log_2(64)=6 respectively. A window size of 7 should only be
+ * used on processors that have a 128 byte or greater cache line size.
*/
-#if MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH == 64
+# if MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH == 64
# define BN_window_bits_for_ctime_exponent_size(b) \
- ((b) > 937 ? 6 : \
- (b) > 306 ? 5 : \
- (b) > 89 ? 4 : \
- (b) > 22 ? 3 : 1)
-# define BN_MAX_WINDOW_BITS_FOR_CTIME_EXPONENT_SIZE (6)
+ ((b) > 937 ? 6 : \
+ (b) > 306 ? 5 : \
+ (b) > 89 ? 4 : \
+ (b) > 22 ? 3 : 1)
+# define BN_MAX_WINDOW_BITS_FOR_CTIME_EXPONENT_SIZE (6)
-#elif MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH == 32
+# elif MOD_EXP_CTIME_MIN_CACHE_LINE_WIDTH == 32
# define BN_window_bits_for_ctime_exponent_size(b) \
- ((b) > 306 ? 5 : \
- (b) > 89 ? 4 : \
- (b) > 22 ? 3 : 1)
-# define BN_MAX_WINDOW_BITS_FOR_CTIME_EXPONENT_SIZE (5)
-
-#endif
+ ((b) > 306 ? 5 : \
+ (b) > 89 ? 4 : \
+ (b) > 22 ? 3 : 1)
+# define BN_MAX_WINDOW_BITS_FOR_CTIME_EXPONENT_SIZE (5)
+# endif
/* Pentium pro 16,16,16,32,64 */
/* Alpha 16,16,16,16.64 */
-#define BN_MULL_SIZE_NORMAL (16) /* 32 */
-#define BN_MUL_RECURSIVE_SIZE_NORMAL (16) /* 32 less than */
-#define BN_SQR_RECURSIVE_SIZE_NORMAL (16) /* 32 */
-#define BN_MUL_LOW_RECURSIVE_SIZE_NORMAL (32) /* 32 */
-#define BN_MONT_CTX_SET_SIZE_WORD (64) /* 32 */
+# define BN_MULL_SIZE_NORMAL (16)/* 32 */
+# define BN_MUL_RECURSIVE_SIZE_NORMAL (16)/* 32 less than */
+# define BN_SQR_RECURSIVE_SIZE_NORMAL (16)/* 32 */
+# define BN_MUL_LOW_RECURSIVE_SIZE_NORMAL (32)/* 32 */
+# define BN_MONT_CTX_SET_SIZE_WORD (64)/* 32 */
-#if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
+# if !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM) && !defined(PEDANTIC)
/*
* BN_UMULT_HIGH section.
*
@@ -232,281 +226,282 @@ extern "C" {
* exhibiting "native" performance in C. That's what BN_UMULT_HIGH
* macro is about:-)
*
- * <appro@fy.chalmers.se>
+ * <appro@fy.chalmers.se>
*/
-# if defined(__alpha) && (defined(SIXTY_FOUR_BIT_LONG) || defined(SIXTY_FOUR_BIT))
-# if defined(__DECC)
-# include <c_asm.h>
-# define BN_UMULT_HIGH(a,b) (BN_ULONG)asm("umulh %a0,%a1,%v0",(a),(b))
-# elif defined(__GNUC__) && __GNUC__>=2
-# define BN_UMULT_HIGH(a,b) ({ \
- register BN_ULONG ret; \
- asm ("umulh %1,%2,%0" \
- : "=r"(ret) \
- : "r"(a), "r"(b)); \
- ret; })
-# endif /* compiler */
-# elif defined(_ARCH_PPC) && defined(__64BIT__) && defined(SIXTY_FOUR_BIT_LONG)
-# if defined(__GNUC__) && __GNUC__>=2
-# define BN_UMULT_HIGH(a,b) ({ \
- register BN_ULONG ret; \
- asm ("mulhdu %0,%1,%2" \
- : "=r"(ret) \
- : "r"(a), "r"(b)); \
- ret; })
-# endif /* compiler */
-# elif (defined(__x86_64) || defined(__x86_64__)) && \
+# if defined(__alpha) && (defined(SIXTY_FOUR_BIT_LONG) || defined(SIXTY_FOUR_BIT))
+# if defined(__DECC)
+# include <c_asm.h>
+# define BN_UMULT_HIGH(a,b) (BN_ULONG)asm("umulh %a0,%a1,%v0",(a),(b))
+# elif defined(__GNUC__) && __GNUC__>=2
+# define BN_UMULT_HIGH(a,b) ({ \
+ register BN_ULONG ret; \
+ asm ("umulh %1,%2,%0" \
+ : "=r"(ret) \
+ : "r"(a), "r"(b)); \
+ ret; })
+# endif /* compiler */
+# elif defined(_ARCH_PPC) && defined(__64BIT__) && defined(SIXTY_FOUR_BIT_LONG)
+# if defined(__GNUC__) && __GNUC__>=2
+# define BN_UMULT_HIGH(a,b) ({ \
+ register BN_ULONG ret; \
+ asm ("mulhdu %0,%1,%2" \
+ : "=r"(ret) \
+ : "r"(a), "r"(b)); \
+ ret; })
+# endif /* compiler */
+# elif (defined(__x86_64) || defined(__x86_64__)) && \
(defined(SIXTY_FOUR_BIT_LONG) || defined(SIXTY_FOUR_BIT))
-# if defined(__GNUC__) && __GNUC__>=2
-# define BN_UMULT_HIGH(a,b) ({ \
- register BN_ULONG ret,discard; \
- asm ("mulq %3" \
- : "=a"(discard),"=d"(ret) \
- : "a"(a), "g"(b) \
- : "cc"); \
- ret; })
-# define BN_UMULT_LOHI(low,high,a,b) \
- asm ("mulq %3" \
- : "=a"(low),"=d"(high) \
- : "a"(a),"g"(b) \
- : "cc");
-# endif
-# elif (defined(_M_AMD64) || defined(_M_X64)) && defined(SIXTY_FOUR_BIT)
-# if defined(_MSC_VER) && _MSC_VER>=1400
- unsigned __int64 __umulh (unsigned __int64 a,unsigned __int64 b);
- unsigned __int64 _umul128 (unsigned __int64 a,unsigned __int64 b,
- unsigned __int64 *h);
-# pragma intrinsic(__umulh,_umul128)
-# define BN_UMULT_HIGH(a,b) __umulh((a),(b))
-# define BN_UMULT_LOHI(low,high,a,b) ((low)=_umul128((a),(b),&(high)))
-# endif
-# elif defined(__mips) && (defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG))
-# if defined(__GNUC__) && __GNUC__>=2
-# if __GNUC__>=4 && __GNUC_MINOR__>=4 /* "h" constraint is no more since 4.4 */
-# define BN_UMULT_HIGH(a,b) (((__uint128_t)(a)*(b))>>64)
-# define BN_UMULT_LOHI(low,high,a,b) ({ \
- __uint128_t ret=(__uint128_t)(a)*(b); \
- (high)=ret>>64; (low)=ret; })
-# else
-# define BN_UMULT_HIGH(a,b) ({ \
- register BN_ULONG ret; \
- asm ("dmultu %1,%2" \
- : "=h"(ret) \
- : "r"(a), "r"(b) : "l"); \
- ret; })
+# if defined(__GNUC__) && __GNUC__>=2
+# define BN_UMULT_HIGH(a,b) ({ \
+ register BN_ULONG ret,discard; \
+ asm ("mulq %3" \
+ : "=a"(discard),"=d"(ret) \
+ : "a"(a), "g"(b) \
+ : "cc"); \
+ ret; })
+# define BN_UMULT_LOHI(low,high,a,b) \
+ asm ("mulq %3" \
+ : "=a"(low),"=d"(high) \
+ : "a"(a),"g"(b) \
+ : "cc");
+# endif
+# elif (defined(_M_AMD64) || defined(_M_X64)) && defined(SIXTY_FOUR_BIT)
+# if defined(_MSC_VER) && _MSC_VER>=1400
+unsigned __int64 __umulh(unsigned __int64 a, unsigned __int64 b);
+unsigned __int64 _umul128(unsigned __int64 a, unsigned __int64 b,
+ unsigned __int64 *h);
+# pragma intrinsic(__umulh,_umul128)
+# define BN_UMULT_HIGH(a,b) __umulh((a),(b))
+# define BN_UMULT_LOHI(low,high,a,b) ((low)=_umul128((a),(b),&(high)))
+# endif
+# elif defined(__mips) && (defined(SIXTY_FOUR_BIT) || defined(SIXTY_FOUR_BIT_LONG))
+# if defined(__GNUC__) && __GNUC__>=2
+# if __GNUC__>=4 && __GNUC_MINOR__>=4
+ /* "h" constraint is no more since 4.4 */
+# define BN_UMULT_HIGH(a,b) (((__uint128_t)(a)*(b))>>64)
+# define BN_UMULT_LOHI(low,high,a,b) ({ \
+ __uint128_t ret=(__uint128_t)(a)*(b); \
+ (high)=ret>>64; (low)=ret; })
+# else
+# define BN_UMULT_HIGH(a,b) ({ \
+ register BN_ULONG ret; \
+ asm ("dmultu %1,%2" \
+ : "=h"(ret) \
+ : "r"(a), "r"(b) : "l"); \
+ ret; })
# define BN_UMULT_LOHI(low,high,a,b)\
- asm ("dmultu %2,%3" \
- : "=l"(low),"=h"(high) \
- : "r"(a), "r"(b));
+ asm ("dmultu %2,%3" \
+ : "=l"(low),"=h"(high) \
+ : "r"(a), "r"(b));
# endif
-# endif
-# endif /* cpu */
-#endif /* OPENSSL_NO_ASM */
+# endif
+# endif /* cpu */
+# endif /* OPENSSL_NO_ASM */
/*************************************************************
* Using the long long type
*/
-#define Lw(t) (((BN_ULONG)(t))&BN_MASK2)
-#define Hw(t) (((BN_ULONG)((t)>>BN_BITS2))&BN_MASK2)
-
-#ifdef BN_DEBUG_RAND
-#define bn_clear_top2max(a) \
- { \
- int ind = (a)->dmax - (a)->top; \
- BN_ULONG *ftl = &(a)->d[(a)->top-1]; \
- for (; ind != 0; ind--) \
- *(++ftl) = 0x0; \
- }
-#else
-#define bn_clear_top2max(a)
-#endif
-
-#ifdef BN_LLONG
-#define mul_add(r,a,w,c) { \
- BN_ULLONG t; \
- t=(BN_ULLONG)w * (a) + (r) + (c); \
- (r)= Lw(t); \
- (c)= Hw(t); \
- }
-
-#define mul(r,a,w,c) { \
- BN_ULLONG t; \
- t=(BN_ULLONG)w * (a) + (c); \
- (r)= Lw(t); \
- (c)= Hw(t); \
- }
-
-#define sqr(r0,r1,a) { \
- BN_ULLONG t; \
- t=(BN_ULLONG)(a)*(a); \
- (r0)=Lw(t); \
- (r1)=Hw(t); \
- }
-
-#elif defined(BN_UMULT_LOHI)
-#define mul_add(r,a,w,c) { \
- BN_ULONG high,low,ret,tmp=(a); \
- ret = (r); \
- BN_UMULT_LOHI(low,high,w,tmp); \
- ret += (c); \
- (c) = (ret<(c))?1:0; \
- (c) += high; \
- ret += low; \
- (c) += (ret<low)?1:0; \
- (r) = ret; \
- }
-
-#define mul(r,a,w,c) { \
- BN_ULONG high,low,ret,ta=(a); \
- BN_UMULT_LOHI(low,high,w,ta); \
- ret = low + (c); \
- (c) = high; \
- (c) += (ret<low)?1:0; \
- (r) = ret; \
- }
-
-#define sqr(r0,r1,a) { \
- BN_ULONG tmp=(a); \
- BN_UMULT_LOHI(r0,r1,tmp,tmp); \
- }
-
-#elif defined(BN_UMULT_HIGH)
-#define mul_add(r,a,w,c) { \
- BN_ULONG high,low,ret,tmp=(a); \
- ret = (r); \
- high= BN_UMULT_HIGH(w,tmp); \
- ret += (c); \
- low = (w) * tmp; \
- (c) = (ret<(c))?1:0; \
- (c) += high; \
- ret += low; \
- (c) += (ret<low)?1:0; \
- (r) = ret; \
- }
-
-#define mul(r,a,w,c) { \
- BN_ULONG high,low,ret,ta=(a); \
- low = (w) * ta; \
- high= BN_UMULT_HIGH(w,ta); \
- ret = low + (c); \
- (c) = high; \
- (c) += (ret<low)?1:0; \
- (r) = ret; \
- }
-
-#define sqr(r0,r1,a) { \
- BN_ULONG tmp=(a); \
- (r0) = tmp * tmp; \
- (r1) = BN_UMULT_HIGH(tmp,tmp); \
- }
-
-#else
+# define Lw(t) (((BN_ULONG)(t))&BN_MASK2)
+# define Hw(t) (((BN_ULONG)((t)>>BN_BITS2))&BN_MASK2)
+
+# ifdef BN_DEBUG_RAND
+# define bn_clear_top2max(a) \
+ { \
+ int ind = (a)->dmax - (a)->top; \
+ BN_ULONG *ftl = &(a)->d[(a)->top-1]; \
+ for (; ind != 0; ind--) \
+ *(++ftl) = 0x0; \
+ }
+# else
+# define bn_clear_top2max(a)
+# endif
+
+# ifdef BN_LLONG
+# define mul_add(r,a,w,c) { \
+ BN_ULLONG t; \
+ t=(BN_ULLONG)w * (a) + (r) + (c); \
+ (r)= Lw(t); \
+ (c)= Hw(t); \
+ }
+
+# define mul(r,a,w,c) { \
+ BN_ULLONG t; \
+ t=(BN_ULLONG)w * (a) + (c); \
+ (r)= Lw(t); \
+ (c)= Hw(t); \
+ }
+
+# define sqr(r0,r1,a) { \
+ BN_ULLONG t; \
+ t=(BN_ULLONG)(a)*(a); \
+ (r0)=Lw(t); \
+ (r1)=Hw(t); \
+ }
+
+# elif defined(BN_UMULT_LOHI)
+# define mul_add(r,a,w,c) { \
+ BN_ULONG high,low,ret,tmp=(a); \
+ ret = (r); \
+ BN_UMULT_LOHI(low,high,w,tmp); \
+ ret += (c); \
+ (c) = (ret<(c))?1:0; \
+ (c) += high; \
+ ret += low; \
+ (c) += (ret<low)?1:0; \
+ (r) = ret; \
+ }
+
+# define mul(r,a,w,c) { \
+ BN_ULONG high,low,ret,ta=(a); \
+ BN_UMULT_LOHI(low,high,w,ta); \
+ ret = low + (c); \
+ (c) = high; \
+ (c) += (ret<low)?1:0; \
+ (r) = ret; \
+ }
+
+# define sqr(r0,r1,a) { \
+ BN_ULONG tmp=(a); \
+ BN_UMULT_LOHI(r0,r1,tmp,tmp); \
+ }
+
+# elif defined(BN_UMULT_HIGH)
+# define mul_add(r,a,w,c) { \
+ BN_ULONG high,low,ret,tmp=(a); \
+ ret = (r); \
+ high= BN_UMULT_HIGH(w,tmp); \
+ ret += (c); \
+ low = (w) * tmp; \
+ (c) = (ret<(c))?1:0; \
+ (c) += high; \
+ ret += low; \
+ (c) += (ret<low)?1:0; \
+ (r) = ret; \
+ }
+
+# define mul(r,a,w,c) { \
+ BN_ULONG high,low,ret,ta=(a); \
+ low = (w) * ta; \
+ high= BN_UMULT_HIGH(w,ta); \
+ ret = low + (c); \
+ (c) = high; \
+ (c) += (ret<low)?1:0; \
+ (r) = ret; \
+ }
+
+# define sqr(r0,r1,a) { \
+ BN_ULONG tmp=(a); \
+ (r0) = tmp * tmp; \
+ (r1) = BN_UMULT_HIGH(tmp,tmp); \
+ }
+
+# else
/*************************************************************
* No long long type
*/
-#define LBITS(a) ((a)&BN_MASK2l)
-#define HBITS(a) (((a)>>BN_BITS4)&BN_MASK2l)
-#define L2HBITS(a) (((a)<<BN_BITS4)&BN_MASK2)
+# define LBITS(a) ((a)&BN_MASK2l)
+# define HBITS(a) (((a)>>BN_BITS4)&BN_MASK2l)
+# define L2HBITS(a) (((a)<<BN_BITS4)&BN_MASK2)
-#define LLBITS(a) ((a)&BN_MASKl)
-#define LHBITS(a) (((a)>>BN_BITS2)&BN_MASKl)
-#define LL2HBITS(a) ((BN_ULLONG)((a)&BN_MASKl)<<BN_BITS2)
+# define LLBITS(a) ((a)&BN_MASKl)
+# define LHBITS(a) (((a)>>BN_BITS2)&BN_MASKl)
+# define LL2HBITS(a) ((BN_ULLONG)((a)&BN_MASKl)<<BN_BITS2)
-#define mul64(l,h,bl,bh) \
- { \
- BN_ULONG m,m1,lt,ht; \
+# define mul64(l,h,bl,bh) \
+ { \
+ BN_ULONG m,m1,lt,ht; \
\
- lt=l; \
- ht=h; \
- m =(bh)*(lt); \
- lt=(bl)*(lt); \
- m1=(bl)*(ht); \
- ht =(bh)*(ht); \
- m=(m+m1)&BN_MASK2; if (m < m1) ht+=L2HBITS((BN_ULONG)1); \
- ht+=HBITS(m); \
- m1=L2HBITS(m); \
- lt=(lt+m1)&BN_MASK2; if (lt < m1) ht++; \
- (l)=lt; \
- (h)=ht; \
- }
-
-#define sqr64(lo,ho,in) \
- { \
- BN_ULONG l,h,m; \
+ lt=l; \
+ ht=h; \
+ m =(bh)*(lt); \
+ lt=(bl)*(lt); \
+ m1=(bl)*(ht); \
+ ht =(bh)*(ht); \
+ m=(m+m1)&BN_MASK2; if (m < m1) ht+=L2HBITS((BN_ULONG)1); \
+ ht+=HBITS(m); \
+ m1=L2HBITS(m); \
+ lt=(lt+m1)&BN_MASK2; if (lt < m1) ht++; \
+ (l)=lt; \
+ (h)=ht; \
+ }
+
+# define sqr64(lo,ho,in) \
+ { \
+ BN_ULONG l,h,m; \
\
- h=(in); \
- l=LBITS(h); \
- h=HBITS(h); \
- m =(l)*(h); \
- l*=l; \
- h*=h; \
- h+=(m&BN_MASK2h1)>>(BN_BITS4-1); \
- m =(m&BN_MASK2l)<<(BN_BITS4+1); \
- l=(l+m)&BN_MASK2; if (l < m) h++; \
- (lo)=l; \
- (ho)=h; \
- }
-
-#define mul_add(r,a,bl,bh,c) { \
- BN_ULONG l,h; \
+ h=(in); \
+ l=LBITS(h); \
+ h=HBITS(h); \
+ m =(l)*(h); \
+ l*=l; \
+ h*=h; \
+ h+=(m&BN_MASK2h1)>>(BN_BITS4-1); \
+ m =(m&BN_MASK2l)<<(BN_BITS4+1); \
+ l=(l+m)&BN_MASK2; if (l < m) h++; \
+ (lo)=l; \
+ (ho)=h; \
+ }
+
+# define mul_add(r,a,bl,bh,c) { \
+ BN_ULONG l,h; \
\
- h= (a); \
- l=LBITS(h); \
- h=HBITS(h); \
- mul64(l,h,(bl),(bh)); \
+ h= (a); \
+ l=LBITS(h); \
+ h=HBITS(h); \
+ mul64(l,h,(bl),(bh)); \
\
- /* non-multiply part */ \
- l=(l+(c))&BN_MASK2; if (l < (c)) h++; \
- (c)=(r); \
- l=(l+(c))&BN_MASK2; if (l < (c)) h++; \
- (c)=h&BN_MASK2; \
- (r)=l; \
- }
-
-#define mul(r,a,bl,bh,c) { \
- BN_ULONG l,h; \
+ /* non-multiply part */ \
+ l=(l+(c))&BN_MASK2; if (l < (c)) h++; \
+ (c)=(r); \
+ l=(l+(c))&BN_MASK2; if (l < (c)) h++; \
+ (c)=h&BN_MASK2; \
+ (r)=l; \
+ }
+
+# define mul(r,a,bl,bh,c) { \
+ BN_ULONG l,h; \
\
- h= (a); \
- l=LBITS(h); \
- h=HBITS(h); \
- mul64(l,h,(bl),(bh)); \
+ h= (a); \
+ l=LBITS(h); \
+ h=HBITS(h); \
+ mul64(l,h,(bl),(bh)); \
\
- /* non-multiply part */ \
- l+=(c); if ((l&BN_MASK2) < (c)) h++; \
- (c)=h&BN_MASK2; \
- (r)=l&BN_MASK2; \
- }
-#endif /* !BN_LLONG */
-
-#if defined(OPENSSL_DOING_MAKEDEPEND) && defined(OPENSSL_FIPS)
-#undef bn_div_words
-#endif
-
-void bn_mul_normal(BN_ULONG *r,BN_ULONG *a,int na,BN_ULONG *b,int nb);
-void bn_mul_comba8(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b);
-void bn_mul_comba4(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b);
+ /* non-multiply part */ \
+ l+=(c); if ((l&BN_MASK2) < (c)) h++; \
+ (c)=h&BN_MASK2; \
+ (r)=l&BN_MASK2; \
+ }
+# endif /* !BN_LLONG */
+
+# if defined(OPENSSL_DOING_MAKEDEPEND) && defined(OPENSSL_FIPS)
+# undef bn_div_words
+# endif
+
+void bn_mul_normal(BN_ULONG *r, BN_ULONG *a, int na, BN_ULONG *b, int nb);
+void bn_mul_comba8(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b);
+void bn_mul_comba4(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b);
void bn_sqr_normal(BN_ULONG *r, const BN_ULONG *a, int n, BN_ULONG *tmp);
-void bn_sqr_comba8(BN_ULONG *r,const BN_ULONG *a);
-void bn_sqr_comba4(BN_ULONG *r,const BN_ULONG *a);
-int bn_cmp_words(const BN_ULONG *a,const BN_ULONG *b,int n);
-int bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b,
- int cl, int dl);
-void bn_mul_recursive(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b,int n2,
- int dna,int dnb,BN_ULONG *t);
-void bn_mul_part_recursive(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b,
- int n,int tna,int tnb,BN_ULONG *t);
-void bn_sqr_recursive(BN_ULONG *r,const BN_ULONG *a, int n2, BN_ULONG *t);
-void bn_mul_low_normal(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b, int n);
-void bn_mul_low_recursive(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b,int n2,
- BN_ULONG *t);
-void bn_mul_high(BN_ULONG *r,BN_ULONG *a,BN_ULONG *b,BN_ULONG *l,int n2,
- BN_ULONG *t);
+void bn_sqr_comba8(BN_ULONG *r, const BN_ULONG *a);
+void bn_sqr_comba4(BN_ULONG *r, const BN_ULONG *a);
+int bn_cmp_words(const BN_ULONG *a, const BN_ULONG *b, int n);
+int bn_cmp_part_words(const BN_ULONG *a, const BN_ULONG *b, int cl, int dl);
+void bn_mul_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2,
+ int dna, int dnb, BN_ULONG *t);
+void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b,
+ int n, int tna, int tnb, BN_ULONG *t);
+void bn_sqr_recursive(BN_ULONG *r, const BN_ULONG *a, int n2, BN_ULONG *t);
+void bn_mul_low_normal(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n);
+void bn_mul_low_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n2,
+ BN_ULONG *t);
+void bn_mul_high(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, BN_ULONG *l, int n2,
+ BN_ULONG *t);
BN_ULONG bn_add_part_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b,
- int cl, int dl);
+ int cl, int dl);
BN_ULONG bn_sub_part_words(BN_ULONG *r, const BN_ULONG *a, const BN_ULONG *b,
- int cl, int dl);
-int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp, const BN_ULONG *np,const BN_ULONG *n0, int num);
+ int cl, int dl);
+int bn_mul_mont(BN_ULONG *rp, const BN_ULONG *ap, const BN_ULONG *bp,
+ const BN_ULONG *np, const BN_ULONG *n0, int num);
#ifdef __cplusplus
}