diff options
Diffstat (limited to 'crypto/bn/bn_gf2m.c')
| -rw-r--r-- | crypto/bn/bn_gf2m.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/crypto/bn/bn_gf2m.c b/crypto/bn/bn_gf2m.c index cfa1c7c..2c61da1 100644 --- a/crypto/bn/bn_gf2m.c +++ b/crypto/bn/bn_gf2m.c @@ -575,7 +575,7 @@ int BN_GF2m_mod_sqr_arr(BIGNUM *r, const BIGNUM *a, const int p[], bn_check_top(a); BN_CTX_start(ctx); if ((s = BN_CTX_get(ctx)) == NULL) - return 0; + goto err; if (!bn_wexpand(s, 2 * a->top)) goto err; @@ -699,18 +699,21 @@ int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) int top = p->top; BN_ULONG *udp, *bdp, *vdp, *cdp; - bn_wexpand(u, top); + if (!bn_wexpand(u, top)) + goto err; udp = u->d; for (i = u->top; i < top; i++) udp[i] = 0; u->top = top; - bn_wexpand(b, top); + if (!bn_wexpand(b, top)) + goto err; bdp = b->d; bdp[0] = 1; for (i = 1; i < top; i++) bdp[i] = 0; b->top = top; - bn_wexpand(c, top); + if (!bn_wexpand(c, top)) + goto err; cdp = c->d; for (i = 0; i < top; i++) cdp[i] = 0; |