[gnutls-devel] GnuTLS | resumption: keep persistent session identifiers (!721)

[Development of GNU's TLS library]

Nikos Mavrogiannopoulos commented on a discussion on lib/session.c:

> - * resumed.  That is because resumed sessions share the same session ID
> - * with the original session.
> - *
> - * The session ID is selected by the server, that identify the
> - * current session.  In all supported TLS protocols, the session id
> - * is less than %GNUTLS_MAX_SESSION_ID_SIZE.
> - *
> - * The TLS session ID cannot be relied for uniquely identifying sessions.
> - * It should not be used by new applications, nor be assumed
> - * that it will remain the same on resumption. The session ID changes
> - * even on resumed sessions under session tickets, and has no defined meaning
> - * under TLS 1.3.
> + * Returns the TLS session identifier. The session ID is selected by the
> + * server, and in older versions of TLS was a unique identifier shared
> + * between client and server which was persistent across resumption.
> + * In the latest version of TLS (1.3) or TLS 1.2 with session tickets, the

Rephrased.

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