[gnutls-devel] GnuTLS | Workaround for SChannel limitations (!1138)

Development of GNU's TLS library gnutls-devel at lists.gnutls.org
Thu Dec 26 20:17:23 CET 2019




Nikos Mavrogiannopoulos started a new discussion on tests/tls12-server-kx-neg.c: https://gitlab.com/gnutls/gnutls/merge_requests/1138#note_265171492

>  		.server_prio = "NORMAL:-KX-ALL:+VKO-GOST-12:+GROUP-GOST-ALL:+GOST28147-TC26Z-CNT:+GOST28147-TC26Z-IMIT:+SIGN-GOSTR341012-512:+SIGN-GOSTR341012-256:+SIGN-GOSTR341001:-VERS-ALL:+VERS-TLS1.2",
>  		.client_prio = "NORMAL:-KX-ALL:+VKO-GOST-12:+GROUP-GOST-ALL:+GOST28147-TC26Z-CNT:+GOST28147-TC26Z-IMIT:+SIGN-GOSTR341012-512:+SIGN-GOSTR341012-256:+SIGN-GOSTR341001:-VERS-ALL:+VERS-TLS1.2"
>  	},
> +	{
> +		.name = "TLS 1.2 VKO-GOST-12 with cred and GOST12-256 cert lacking signature algs",
> +		.server_ret = 0,
> +		.client_ret = 0,
> +		.have_cert_cred = 1,
> +		.have_gost12_256_cert = 1,
> +		.not_on_fips = 1,
> +		.server_prio = "NORMAL:-KX-ALL:+VKO-GOST-12:+GROUP-GOST-ALL:+GOST28147-TC26Z-CNT:+GOST28147-TC26Z-IMIT:+SIGN-GOSTR341012-512:+SIGN-GOSTR341012-256:+SIGN-GOSTR341001:-VERS-ALL:+VERS-TLS1.2",
> +		.client_prio = "NORMAL:-KX-ALL:+VKO-GOST-12:+GROUP-GOST-ALL:+GOST28147-TC26Z-CNT:+GOST28147-TC26Z-IMIT:+SIGN-GOSTR341012-512:+SIGN-GOSTR341012-256:+SIGN-GOSTR341001:-VERS-ALL:+VERS-TLS1.2:-SIGN-ALL:+SIGN-RSA-SHA256"

Is it needed to have the GOST sigs added and then removed with -SIGN-ALL? If not it may be easier to read without it.

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