[tor-commits] [tor/master] Accessor functions to get a node's ID keys.

[nickm@xxxxxxxxxxxxxx]

commit 8406677a5e6db74bd593a7d43868054b54b147df
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Wed Sep 14 14:28:11 2016 -0400

    Accessor functions to get a node's ID keys.
---
 src/or/nodelist.c | 33 +++++++++++++++++++++++++++++++++
 src/or/nodelist.h |  2 ++
 2 files changed, 35 insertions(+)

diff --git a/src/or/nodelist.c b/src/or/nodelist.c
index 2802d5b..9486224 100644
--- a/src/or/nodelist.c
+++ b/src/or/nodelist.c
@@ -53,6 +53,7 @@
 #include "router.h"
 #include "routerlist.h"
 #include "routerset.h"
+#include "torcert.h"
 
 #include <string.h>
 
@@ -646,6 +647,38 @@ node_get_by_nickname,(const char *nickname, int warn_if_unnamed))
   }
 }
 
+/** Return the Ed25519 identity key for the provided node, or NULL if it
+ * doesn't have one. */
+const ed25519_public_key_t *
+node_get_ed25519_id(const node_t *node)
+{
+  if (node->ri) {
+    if (node->ri->cache_info.signing_key_cert) {
+      const ed25519_public_key_t *pk =
+        &node->ri->cache_info.signing_key_cert->signing_key;
+      if (BUG(ed25519_public_key_is_zero(pk)))
+        goto try_the_md;
+      return pk;
+    }
+  }
+ try_the_md:
+  if (node->md) {
+    if (node->md->ed25519_identity_pkey) {
+      return node->md->ed25519_identity_pkey;
+    }
+  }
+  return NULL;
+}
+
+/** Return the RSA ID key's SHA1 digest for the provided node. */
+const uint8_t *
+node_get_rsa_id_digest(const node_t *node)
+{
+  tor_assert(node);
+  return (const uint8_t*)node->identity;
+}
+
+
 /** Return the nickname of <b>node</b>, or NULL if we can't find one. */
 const char *
 node_get_nickname(const node_t *node)
diff --git a/src/or/nodelist.h b/src/or/nodelist.h
index 71a91e1..2cdcdce 100644
--- a/src/or/nodelist.h
+++ b/src/or/nodelist.h
@@ -55,6 +55,8 @@ void node_get_address_string(const node_t *node, char *cp, size_t len);
 long node_get_declared_uptime(const node_t *node);
 time_t node_get_published_on(const node_t *node);
 const smartlist_t *node_get_declared_family(const node_t *node);
+const ed25519_public_key_t *node_get_ed25519_id(const node_t *node);
+const uint8_t *node_get_rsa_id_digest(const node_t *node);
 
 int node_has_ipv6_addr(const node_t *node);
 int node_has_ipv6_orport(const node_t *node);



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