diff options
Diffstat (limited to 'windows-x86_64/include/openssl/bn.h')
| -rw-r--r-- | windows-x86_64/include/openssl/bn.h | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/windows-x86_64/include/openssl/bn.h b/windows-x86_64/include/openssl/bn.h index 47d8c71..633d1b1 100644 --- a/windows-x86_64/include/openssl/bn.h +++ b/windows-x86_64/include/openssl/bn.h @@ -125,6 +125,7 @@ #ifndef HEADER_BN_H # define HEADER_BN_H +# include <limits.h> # include <openssl/e_os2.h> # ifndef OPENSSL_NO_FP_API # include <stdio.h> /* FILE */ @@ -256,24 +257,6 @@ extern "C" { # define BN_HEX_FMT2 "%08X" # endif -/* - * 2011-02-22 SMS. In various places, a size_t variable or a type cast to - * size_t was used to perform integer-only operations on pointers. This - * failed on VMS with 64-bit pointers (CC /POINTER_SIZE = 64) because size_t - * is still only 32 bits. What's needed in these cases is an integer type - * with the same size as a pointer, which size_t is not certain to be. The - * only fix here is VMS-specific. - */ -# if defined(OPENSSL_SYS_VMS) -# if __INITIAL_POINTER_SIZE == 64 -# define PTR_SIZE_INT long long -# else /* __INITIAL_POINTER_SIZE == 64 */ -# define PTR_SIZE_INT int -# endif /* __INITIAL_POINTER_SIZE == 64 [else] */ -# else /* defined(OPENSSL_SYS_VMS) */ -# define PTR_SIZE_INT size_t -# endif /* defined(OPENSSL_SYS_VMS) [else] */ - # define BN_DEFAULT_BITS 1280 # define BN_FLG_MALLOCED 0x01 @@ -739,8 +722,17 @@ const BIGNUM *BN_get0_nist_prime_521(void); /* library internal functions */ -# define bn_expand(a,bits) ((((((bits+BN_BITS2-1))/BN_BITS2)) <= (a)->dmax)?\ - (a):bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2)) +# define bn_expand(a,bits) \ + ( \ + bits > (INT_MAX - BN_BITS2 + 1) ? \ + NULL \ + : \ + (((bits+BN_BITS2-1)/BN_BITS2) <= (a)->dmax) ? \ + (a) \ + : \ + bn_expand2((a),(bits+BN_BITS2-1)/BN_BITS2) \ + ) + # define bn_wexpand(a,words) (((words) <= (a)->dmax)?(a):bn_expand2((a),(words))) BIGNUM *bn_expand2(BIGNUM *a, int words); # ifndef OPENSSL_NO_DEPRECATED @@ -850,6 +842,8 @@ int RAND_pseudo_bytes(unsigned char *buf, int num); if (*(ftl--)) break; \ (a)->top = tmp_top; \ } \ + if ((a)->top == 0) \ + (a)->neg = 0; \ bn_pollute(a); \ } |