[OpenWrt-Devel] [PATCH] netifd: wireless: Add support for GCMP cipher

Rosen Penev rosenp at gmail.com
Thu Mar 14 18:58:28 PDT 2019


On Thu, Mar 14, 2019 at 7:11 AM Robert Marko <robimarko at gmail.com> wrote:
>
> On Thu, 14 Mar 2019 at 12:31, txt.file <txt.file at txtfile.eu> wrote:
> >
> > Which other drivers implement this cipher? Is this cipher in the IEEE 802.11 documents standardized?
> Most of them as 802.11ac introduced it as optional cipher as its more
> efficient than CCMP and as Lucian Cristian
> mentioned its also part of WPA3.
> >
> > On March 14, 2019 10:03:16 AM UTC, Robert Marko <robimarko at gmail.com> wrote:
> > >This patch will add support for using GCMP as cipher suite.
> > >This is not a strong cipher but is only one supported by
> > >wil6210 driver in order to have encrypted traffic.
The cipher is the same. AES-128. GCMP has similar security properties
to CCMP. It's just faster and less widely supported.
> > >
> > >Signed-off-by: Robert Marko <robimarko at gmail.com>
> > >---
> > > scripts/netifd-wireless.sh | 1 +
> > > 1 file changed, 1 insertion(+)
> > >
> > >diff --git a/scripts/netifd-wireless.sh b/scripts/netifd-wireless.sh
> > >index 424b3ad..6bc48c6 100644
> > >--- a/scripts/netifd-wireless.sh
> > >+++ b/scripts/netifd-wireless.sh
> > >@@ -200,6 +200,7 @@ wireless_vif_parse_encryption() {
> > >               *tkip+aes|*tkip+ccmp|*aes+tkip|*ccmp+tkip) wpa_cipher="CCMP TKIP";;
> > >               *aes|*ccmp) wpa_cipher="CCMP";;
> > >               *tkip) wpa_cipher="TKIP";;
> > >+              *gcmp) wpa_cipher="GCMP";;
> > >       esac
> > >
> > >       # 802.11n requires CCMP for WPA
>
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