diff options
Diffstat (limited to 'crypto/bn/bn_local.h')
| -rw-r--r-- | crypto/bn/bn_local.h | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/crypto/bn/bn_local.h b/crypto/bn/bn_local.h index d9e9977..3c8534e 100644 --- a/crypto/bn/bn_local.h +++ b/crypto/bn/bn_local.h @@ -28,14 +28,19 @@ /* * These preprocessor symbols control various aspects of the bignum headers * and library code. They're not defined by any "normal" configuration, as - * they are intended for development and testing purposes. NB: defining all - * three can be useful for debugging application code as well as openssl + * they are intended for development and testing purposes. NB: defining + * them can be useful for debugging application code as well as openssl * itself. BN_DEBUG - turn on various debugging alterations to the bignum - * code BN_DEBUG_RAND - uses random poisoning of unused words to trip up - * mismanagement of bignum internals. You must also define BN_DEBUG. + * code BN_RAND_DEBUG - uses random poisoning of unused words to trip up + * mismanagement of bignum internals. Enable BN_RAND_DEBUG is known to + * break some of the OpenSSL tests. */ -/* #define BN_DEBUG */ -/* #define BN_DEBUG_RAND */ +# if defined(BN_RAND_DEBUG) && !defined(BN_DEBUG) +# define BN_DEBUG +# endif +# if defined(BN_RAND_DEBUG) +# include <openssl/rand.h> +# endif # ifndef OPENSSL_SMALL_FOOTPRINT # define BN_MUL_COMBA @@ -127,7 +132,7 @@ * bn_check_top() is as before. * - if BN_DEBUG *is* defined; * - bn_check_top() tries to pollute unused words even if the bignum 'top' is - * consistent. (ed: only if BN_DEBUG_RAND is defined) + * consistent. (ed: only if BN_RAND_DEBUG is defined) * - bn_fix_top() maps to bn_check_top() rather than "fixing" anything. * The idea is to have debug builds flag up inconsistent bignums when they * occur. If that occurs in a bn_fix_top(), we examine the code in question; if @@ -153,7 +158,7 @@ * all operations manipulating the bit in question in non-BN_DEBUG build. */ # define BN_FLG_FIXED_TOP 0x10000 -# ifdef BN_DEBUG_RAND +# ifdef BN_RAND_DEBUG # define bn_pollute(a) \ do { \ const BIGNUM *_bnum1 = (a); \ @@ -164,7 +169,7 @@ * wouldn't be constructed with top!=dmax. */ \ BN_ULONG *_not_const; \ memcpy(&_not_const, &_bnum1->d, sizeof(_not_const)); \ - RAND_bytes(&_tmp_char, 1); /* Debug only - safe to ignore error return */\ + (void)RAND_bytes(&_tmp_char, 1); /* Debug only - safe to ignore error return */\ memset(_not_const + _bnum1->top, _tmp_char, \ sizeof(*_not_const) * (_bnum1->dmax - _bnum1->top)); \ } \ @@ -451,7 +456,7 @@ unsigned __int64 _umul128(unsigned __int64 a, unsigned __int64 b, # endif /* cpu */ # endif /* OPENSSL_NO_ASM */ -# ifdef BN_DEBUG_RAND +# ifdef BN_RAND_DEBUG # define bn_clear_top2max(a) \ { \ int ind = (a)->dmax - (a)->top; \ |