anastasis

commit 047035bf58e4fec5d5c9f6b3f449d8e36e724ebb
parent 9d36faaae6a8b1bcecc36686bbbacaedd532172c
Author: Christian Grothoff <christian@grothoff.org>
Date:   Wed, 29 Jul 2026 18:54:39 +0200

bump the protocol version for the key derivation flag day

Diffstat:
M
src/backend/anastasis-httpd_config.c
 | 
5
++++-
M
src/restclient/anastasis_api_config.c
 | 
7
++++++-

2 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/src/backend/anastasis-httpd_config.c b/src/backend/anastasis-httpd_config.c
@@ -104,8 +104,11 @@ AH_handler_config (struct AH_RequestHandler *rh,
     response = TALER_MHD_MAKE_JSON_PACK (
       GNUNET_JSON_pack_string ("name",
                                "anastasis"),
+      /* Deliberately incompatible with 0:x:x: the key derivation was fixed to
+         use the full context string, so every key derived by an older client
+         differs and backups made with one cannot be recovered by the other. */
       GNUNET_JSON_pack_string ("version",
-                               "0:3:0"),
+                               "1:0:0"),
       GNUNET_JSON_pack_string ("implementation",
                                "urn:net:taler:specs:anastasis:c-reference"),
       GNUNET_JSON_pack_string ("business_name",
diff --git a/src/restclient/anastasis_api_config.c b/src/restclient/anastasis_api_config.c
@@ -32,8 +32,13 @@
 /**
  * Which version of the Taler protocol is implemented
  * by this library?  Used to determine compatibility.
+ *
+ * Raised to 1 when the key derivation was fixed to use the full context
+ * string: every key derived by a 0:x:x client differs, so backups written by
+ * one side cannot be recovered by the other.  The age stays 0 because there
+ * is no compatibility to keep.
  */
-#define ANASTASIS_PROTOCOL_CURRENT 0
+#define ANASTASIS_PROTOCOL_CURRENT 1
 
 /**
  * How many versions are we backwards compatible with?