diff options
Diffstat (limited to 'crypto/openssl/crypto/bn/bn_div.c')
| -rw-r--r-- | crypto/openssl/crypto/bn/bn_div.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/openssl/crypto/bn/bn_div.c b/crypto/openssl/crypto/bn/bn_div.c index 1e8e576..7c35545 100644 --- a/crypto/openssl/crypto/bn/bn_div.c +++ b/crypto/openssl/crypto/bn/bn_div.c @@ -102,7 +102,7 @@ int BN_div(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m, const BIGNUM *d, /* The next 2 are needed so we can do a dv->d[0]|=1 later * since BN_lshift1 will only work once there is a value :-) */ BN_zero(dv); - bn_wexpand(dv,1); + if(bn_wexpand(dv,1) == NULL) goto end; dv->top=1; if (!BN_lshift(D,D,nm-nd)) goto end; @@ -229,7 +229,8 @@ int BN_div(BIGNUM *dv, BIGNUM *rm, const BIGNUM *num, const BIGNUM *divisor, if (dv == NULL) res=BN_CTX_get(ctx); else res=dv; - if (sdiv == NULL || res == NULL) goto err; + if (sdiv == NULL || res == NULL || tmp == NULL || snum == NULL) + goto err; /* First we normalise the numbers */ norm_shift=BN_BITS2-((BN_num_bits(divisor))%BN_BITS2); |
