[gnutls-devel] GnuTLS | tls13/psk_ext_parser: simplify the iterator interface (!736)

[Development of GNU's TLS library]

Nikos Mavrogiannopoulos started a new discussion on lib/ext/pre_shared_key.c:

>  		}
>  	}
>  
> -	if (psk_index < 0)
> -		return 0;
> -
> -	ret = _gnutls13_psk_ext_parser_find_binder(&psk_parser, psk_index,
> -						   &binder_recvd);
> -	if (ret < 0) {
> -		gnutls_assert();
> -		goto fail;
> +	_gnutls13_psk_ext_iter_init(&psk_iter, &psk_parser);
> +	for (i = 0; i <= psk_index; i++) {

Seeing that code, I think a corner test case that is interesting is having a PSK structure which has 3 identities, and 2 binders while the 3rd identity is selected.

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