diff options
| -rw-r--r-- | crypto/bn/bn_kron.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/crypto/bn/bn_kron.c b/crypto/bn/bn_kron.c index 49f75594ae..740359b752 100644 --- a/crypto/bn/bn_kron.c +++ b/crypto/bn/bn_kron.c @@ -53,9 +53,9 @@ * */ +#include "cryptlib.h" #include "bn_lcl.h" - /* least significant word */ #define BN_lsw(n) (((n)->top == 0) ? (BN_ULONG) 0 : (n)->d[0]) @@ -74,6 +74,9 @@ int BN_kronecker(const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) */ static const int tab[8] = {0, 1, 0, -1, 0, -1, 0, 1}; + bn_check_top(a); + bn_check_top(b); + BN_CTX_start(ctx); A = BN_CTX_get(ctx); B = BN_CTX_get(ctx); @@ -172,8 +175,7 @@ int BN_kronecker(const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) tmp = A; A = B; B = tmp; tmp->neg = 0; } - - end: +end: BN_CTX_end(ctx); if (err) return -2; |