Support ECDH key exchange.

[tinc] / src / node.h

diff --git a/src/node.h b/src/node.h
index 2f08186..05d751c 100644 (file)
--- a/src/node.h
+++ b/src/node.h
@@ -25,6 +25,7 @@
 #include "cipher.h"
 #include "connection.h"
 #include "digest.h"
+#include "ecdh.h"
 #include "subnet.h"
 
 typedef struct node_status_t {
@@ -34,7 +35,8 @@ typedef struct node_status_t {
        unsigned int visited:1;                 /* 1 if this node has been visited by one of the graph algorithms */
        unsigned int reachable:1;               /* 1 if this node is reachable in the graph */
        unsigned int indirect:1;                /* 1 if this node is not directly reachable by us */
-       unsigned int unused:26;
+       unsigned int ecdh:1;                    /* 1 if this node supports ECDH key exchange */
+       unsigned int unused:25;
 } node_status_t;
 
 typedef struct node_t {
@@ -47,6 +49,8 @@ typedef struct node_t {
        node_status_t status;
        time_t last_req_key;
 
+       ecdh_t ecdh;                            /* State for ECDH key exchange */
+
        cipher_t incipher;                        /* Cipher for UDP packets */
        digest_t indigest;                        /* Digest for UDP packets */