Commit dfb109c5 authored by Richard Levitte's avatar Richard Levitte
Browse files

bn: fix occurance of negative zero in BN_rshift1() 



Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
(cherry picked from commit 0a2dcb69)
parent 12ac28e0

crypto/bn/bn_shift.c

+2 −0
Original line number Diff line number Diff line
@@ -74,6 +74,8 @@ int BN_rshift1(BIGNUM *r, const BIGNUM *a) 
        c = (t & 1) ? BN_TBIT : 0;

    }

    r->top = j;

    if (!r->top)

        r->neg = 0; /* don't allow negative zero */

    bn_check_top(r);

    return (1);

}