Commit 9f6795e7 authored by Pascal Cuoq's avatar Pascal Cuoq Committed by Kurt Roeckx
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BN_usub: Don't copy when r and a the same 



Signed-off-by: default avatarKurt Roeckx <kurt@roeckx.be>
Reviewed-by: default avatarRich Salz <rsalz@akamai.com>

RT #4100, MR #1264
parent 1786086b

crypto/bn/bn_add.c

+1 −1
Original line number Diff line number Diff line
@@ -222,7 +222,7 @@ int BN_usub(BIGNUM *r, const BIGNUM *a, const BIGNUM *b) 
                break;

        }

    }

    if (dif)

    if (dif && ap != rp)

        memcpy(rp, ap, sizeof(*rp) * dif);



    r->top = max;