commit 93e7661feff77c642d7c6f38023e8ab3de0d0269 Author: Nick Mathewson nickm@torproject.org Date: Thu Oct 15 10:20:42 2020 -0400

Add a function to get an ed25519 ID from a routerinfo. --- src/feature/nodelist/routerinfo.c | 16 ++++++++++++++++ src/feature/nodelist/routerinfo.h | 4 ++++ 2 files changed, 20 insertions(+)

diff --git a/src/feature/nodelist/routerinfo.c b/src/feature/nodelist/routerinfo.c index 2a094d7fae..eb8eb74daa 100644 --- a/src/feature/nodelist/routerinfo.c +++ b/src/feature/nodelist/routerinfo.c @@ -13,6 +13,7 @@

#include "feature/nodelist/nodelist.h" #include "feature/nodelist/routerinfo.h" +#include "feature/nodelist/torcert.h"

#include "feature/nodelist/node_st.h" #include "feature/nodelist/routerinfo_st.h" @@ -75,6 +76,21 @@ router_get_all_orports(const routerinfo_t *ri) return node_get_all_orports(&fake_node); }

+/** Return the Ed25519 identity key for this routerinfo, or NULL if it + * doesn't have one. */ +const ed25519_public_key_t * +routerinfo_get_ed25519_id(const routerinfo_t *ri) +{ + if (BUG(! ri)) + return NULL; + + const tor_cert_t *cert = ri->cache_info.signing_key_cert; + if (cert && ! ed25519_public_key_is_zero(&cert->signing_key)) + return &cert->signing_key; + else + return NULL; +} + /** Given a router purpose, convert it to a string. Don't call this on * ROUTER_PURPOSE_UNKNOWN: The whole point of that value is that we don't * know its string representation. */ diff --git a/src/feature/nodelist/routerinfo.h b/src/feature/nodelist/routerinfo.h index 2e12cbeba3..bc78beb402 100644 --- a/src/feature/nodelist/routerinfo.h +++ b/src/feature/nodelist/routerinfo.h @@ -18,6 +18,10 @@ int router_get_orport(const routerinfo_t *router, int router_has_orport(const routerinfo_t *router, const tor_addr_port_t *orport);

+struct ed25519_public_key_t; +const struct ed25519_public_key_t *routerinfo_get_ed25519_id( + const routerinfo_t *ri); + smartlist_t *router_get_all_orports(const routerinfo_t *ri);

const char *router_purpose_to_string(uint8_t p);