PR: 2062

Submitted by: Julia Lawall <julia@diku.dk>
Approved by: steve@openssl.org

Correct BN_rand error handling in bntest.c

crypto/bn/bntest.c

@@ -1029,7 +1029,7 @@ int test_exp(BIO *bp, BN_CTX *ctx)
 		BN_bntest_rand(a,20+i*5,0,0); /**/
 		BN_bntest_rand(b,2+i,0,0); /**/
 
-		if (!BN_exp(d,a,b,ctx))
+		if (BN_exp(d,a,b,ctx) <= 0)
 			return(0);
 
 		if (bp != NULL)