Check return codes properly.

diff --git a/fips/rand/fips_drbg_ec.c b/fips/rand/fips_drbg_ec.c
index fb5f77c8975f22ef999a5292c7dc80c82218d852..c4d7612d6c43b6467c2919e9760eb5698d5fb0eb 100644 (file)
--- a/fips/rand/fips_drbg_ec.c
+++ b/fips/rand/fips_drbg_ec.c
@@ -218,7 +218,7 @@ static int drbg_ec_mul(DRBG_EC_CTX *ectx, BIGNUM *r, const BIGNUM *s, int use_q)
        if (!EC_POINT_get_affine_coordinates_GFp(ectx->curve, ectx->ptmp, r,
                                                        NULL, ectx->bctx))
                return 0;
-       return 0;
+       return 1;
        }
 
 static int drbg_ec_instantiate(DRBG_CTX *dctx,
@@ -244,7 +244,7 @@ static int drbg_ec_reseed(DRBG_CTX *dctx,
        /* Check if we have a deferred s = s * P */
        if (ectx->sp_defer)
                {
-               if (drbg_ec_mul(ectx, ectx->s, ectx->s, 0))
+               if (!drbg_ec_mul(ectx, ectx->s, ectx->s, 0))
                        return 0;
                ectx->sp_defer = 0;
                }
@@ -281,7 +281,7 @@ static int drbg_ec_generate(DRBG_CTX *dctx,
        /* Check if we have a deferred s = s * P */
        if (ectx->sp_defer)
                {
-               if (drbg_ec_mul(ectx, s, s, 0))
+               if (!drbg_ec_mul(ectx, s, s, 0))
                        goto err;
                ectx->sp_defer = 0;
                }
@@ -323,13 +323,13 @@ static int drbg_ec_generate(DRBG_CTX *dctx,
        for (;;)
                {
                /* Step #6, calculate s = t * P */
-               if (drbg_ec_mul(ectx, s, t, 0))
+               if (!drbg_ec_mul(ectx, s, t, 0))
                        goto err;
 #ifdef EC_DRBG_TRACE
                bnprint(stderr, "s in generate: ", ectx->s);
 #endif
                /* Step #7, calculate r = s * Q */
-               if (drbg_ec_mul(ectx, r, s, 1))
+               if (!drbg_ec_mul(ectx, r, s, 1))
                        goto err;
 #ifdef EC_DRBG_TRACE
        bnprint(stderr, "r in generate is: ", r);