X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=g10%2Fkeydb.h;h=cc99241f53958da18c3c14316350e8501dff3bc7;hb=7a22f5e8cd3e5a40c2a3a8e87a95bd98a64e7cb2;hp=73937683822144be0d2bc3c1b272eab4185562b5;hpb=435d1f5256782583b8b427cd7b07f71dca58b6bd;p=platform%2Fupstream%2Fgpg2.git

diff --git a/g10/keydb.h b/g10/keydb.h
index 7393768..cc99241 100644
--- a/g10/keydb.h
+++ b/g10/keydb.h
@@ -26,13 +26,16 @@
 #include "../common/util.h"
 #include "packet.h"
 
-/* What qualifies as a certification (rather than a signature?) */
+/* What qualifies as a certification (key-signature in contrast to a
+ * data signature)?  Note that a back signature is special and can be
+ * made by key and data signatures capable subkeys.) */
 #define IS_CERT(s)       (IS_KEY_SIG(s) || IS_UID_SIG(s) || IS_SUBKEY_SIG(s) \
                          || IS_KEY_REV(s) || IS_UID_REV(s) || IS_SUBKEY_REV(s))
 #define IS_SIG(s)        (!IS_CERT(s))
 #define IS_KEY_SIG(s)    ((s)->sig_class == 0x1f)
 #define IS_UID_SIG(s)    (((s)->sig_class & ~3) == 0x10)
 #define IS_SUBKEY_SIG(s) ((s)->sig_class == 0x18)
+#define IS_BACK_SIG(s)   ((s)->sig_class == 0x19)
 #define IS_KEY_REV(s)    ((s)->sig_class == 0x20)
 #define IS_UID_REV(s)    ((s)->sig_class == 0x30)
 #define IS_SUBKEY_REV(s) ((s)->sig_class == 0x28)