[openssl-dev] [openssl.org #4100] Overlapping memcpy arguments in bn_add.c

[Kurt Roeckx via RT]

On Mon, Oct 19, 2015 at 08:10:01PM +0200, Kurt Roeckx wrote:
> The manpage says that for BN_add(), BN_mul(), BN_sqr(), BN_mod_mul()
> and BN_gcd() r can be one of the other BIGNUMs that got passed, but
> it doesn't say so for BN_sub().

BN_add() can of course already call BN_usub(), and BN_uadd() also
already has the rp != ap check.


Kurt