X-Git-Url: https://git.distorted.org.uk/~mdw/secnet/blobdiff_plain/291906b8bcb96b70936f6b2a93b2bd49b3b167e0..2ad8dd37d1b9c4815539fa05a0839f07713d5e38:/NOTES

diff --git a/NOTES b/NOTES
index f827d80..884ae30 100644
--- a/NOTES
+++ b/NOTES
@@ -225,10 +225,13 @@ original CBCMAC-based transform, and bit 9 for the new EAX transform;
 bits 10 to 15 are reserved for future expansion.  The the low eight bits
 are reserved for local use, e.g., to allow migration from one set of
 parameters for a particular transform to a different, incompatible set
-of parameters for the same transform.  The high 16 bits have not yet
-been assigned a purpose.
+of parameters for the same transform.  Bit 31, if advertised by both
+ends, indicates that a mobile end gets priority in case of crossed MSG1.
+The remaining bits have not yet been assigned a purpose.
 
-No early capability bits are currently defined.
+Whether a capability number is early depends on its meaning, rather than
+being a static property of its number.  That said, the mobile-end-gets
+priority bit (31) is always sent as an `early' capability bit.
 
 
 MTU handling