doc: documented hsk_flags "lifetime" and its reset

Signed-off-by: Nikos Mavrogiannopoulos <nmav@gnutls.org>

diff --git a/lib/gnutls_int.h b/lib/gnutls_int.h
index d8de3a5903e73a0eee11651efc1bfe0e5bc13fc6..bb422ddbe94407b6f46e837cbd4595d9b9189d81 100644 (file)
--- a/lib/gnutls_int.h
+++ b/lib/gnutls_int.h
@@ -1169,6 +1169,8 @@ typedef struct {
 #define HSK_FALSE_START_USED (1<<8) /* TLS1.2 only */
 #define HSK_HAVE_FFDHE (1<<9) /* whether the peer has advertized at least an FFDHE group */
 #define HSK_USED_FFDHE (1<<10) /* whether ffdhe was actually negotiated and used */
+       /* The hsk_flags are for use within the ongoing handshake;
+        * they are reset to zero prior to handshake start by gnutls_handshake. */
        unsigned hsk_flags;
        time_t last_key_update;