diff options
Diffstat (limited to 'link/link-protocol.c')
| -rw-r--r-- | link/link-protocol.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/link/link-protocol.c b/link/link-protocol.c index 94a965b..c8b5118 100644 --- a/link/link-protocol.c +++ b/link/link-protocol.c @@ -656,16 +656,25 @@ PureLinkSender *pure_link_sender(const char *source, const char *input, uint32_t return l; } -bool pure_link_sender_peer(PureLinkSender *l, const unsigned char peer[PURE_SEAL_KEY]) { +/* The receiver's key, with the secret made (or given) into l->secret: the + * keys of packets to it. */ +static bool keyed(PureLinkSender *l, const unsigned char peer[PURE_SEAL_KEY], const unsigned char *secret) { memcpy(l->peer, peer, PURE_SEAL_KEY); l->peer_id = key_id(peer); pure_aead_free(l->out); pure_aead_free(l->in); l->out = l->in = NULL; - return l->own && pure_link_secret(l->own, l->peer, l->secret) && + if (secret) memcpy(l->secret, secret, 32); + return (secret || (l->own && pure_link_secret(l->own, l->peer, l->secret))) && (l->out = aead_of(l->secret, l->own_public, l->peer, l->run, 0, l->out_base)); } +bool pure_link_sender_peer(PureLinkSender *l, const unsigned char peer[PURE_SEAL_KEY]) { return keyed(l, peer, NULL); } + +bool pure_link_sender_shared(PureLinkSender *l, const unsigned char peer[PURE_SEAL_KEY], const unsigned char secret[32]) { + return keyed(l, peer, secret); +} + uint64_t pure_link_sender_queued(const PureLinkSender *l) { return l->queued; } uint64_t pure_link_sender_stored(const PureLinkSender *l) { return l->stored; } |