X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/secnet/blobdiff_plain/94c61b9cd7bf02f4cebfe0fb580db61e6e8bf636..07e4774c32915eeb1d480854a4a10ec91160b57d:/secnet.h

diff --git a/secnet.h b/secnet.h
index 5f8e43b..b276798 100644
--- a/secnet.h
+++ b/secnet.h
@@ -389,7 +389,11 @@ typedef struct transform_inst_if *transform_createinstance_fn(void *st);
 typedef bool_t transform_setkey_fn(void *st, uint8_t *key, int32_t keylen);
 typedef void transform_delkey_fn(void *st);
 typedef void transform_destroyinstance_fn(void *st);
-/* Returns 0 for 'all is well', any other value for a problem */
+/* Returns:
+ *   0: all is well
+ *   1: for any other problem
+ *   2: message decrypted but sequence number was out of range
+ */
 typedef uint32_t transform_apply_fn(void *st, struct buffer_if *buf,
 				    const char **errmsg);