1 files changed, 43 insertions, 0 deletions
diff --git a/src/or/hs_common.h b/src/or/hs_common.h
new file mode 100644
index 0000000000..e0ab510ea4
--- /dev/null
+++ b/src/or/hs_common.h
@@ -0,0 +1,43 @@
+/* Copyright (c) 2016, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file hs_common.h
+ * \brief Header file containing common data for the whole HS subsytem.
+ **/
+
+#ifndef TOR_HS_COMMON_H
+#define TOR_HS_COMMON_H
+
+#include "or.h"
+
+/* Protocol version 2. Use this instead of hardcoding "2" in the code base,
+ * this adds a clearer semantic to the value when used. */
+#define HS_VERSION_TWO 2
+/* Version 3 of the protocol (prop224). */
+#define HS_VERSION_THREE 3
+
+/* Denotes ed25519 authentication key on ESTABLISH_INTRO cell. */
+#define AUTH_KEY_ED25519 0x02
+
+/* String prefix for the signature of ESTABLISH_INTRO */
+#define ESTABLISH_INTRO_SIG_PREFIX "Tor establish-intro cell v1"
+
+void rend_data_free(rend_data_t *data);
+rend_data_t *rend_data_dup(const rend_data_t *data);
+rend_data_t *rend_data_client_create(const char *onion_address,
+                                     const char *desc_id,
+                                     const char *cookie,
+                                     rend_auth_type_t auth_type);
+rend_data_t *rend_data_service_create(const char *onion_address,
+                                      const char *pk_digest,
+                                      const uint8_t *cookie,
+                                      rend_auth_type_t auth_type);
+const char *rend_data_get_address(const rend_data_t *rend_data);
+const char *rend_data_get_desc_id(const rend_data_t *rend_data,
+                                  uint8_t replica, size_t *len_out);
+const uint8_t *rend_data_get_pk_digest(const rend_data_t *rend_data,
+                                       size_t *len_out);
+
+#endif /* TOR_HS_COMMON_H */
+