X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=doc%2Fhandshake.texi;h=75a65085f712082136675d6b34dc54860db1cd54;hb=0e482169576b59168f44e509863e6b6acbca6f6d;hp=3efe97d636b470fd05632db271fc73164707d588;hpb=1fea06143f0580f3d40a9ddbb1425ab613910155;p=govpn.git

diff --git a/doc/handshake.texi b/doc/handshake.texi
index 3efe97d..75a6508 100644
--- a/doc/handshake.texi
+++ b/doc/handshake.texi
@@ -1,27 +1,12 @@
 @node Handshake
-@cindex Handshake
-@cindex Handshake protocol
-@cindex Diffie-Hellman
-@cindex ed25519
-@cindex curve25519
-@cindex Elligator
-@cindex Perfect Forward Secrecy
-@cindex PFS
-@cindex IDtag
-@cindex Shared key
-@cindex DH-EKE
-@cindex DH
-@cindex EKE
-@cindex A-EKE
-@cindex DH-A-EKE
 @section Handshake protocol
 
 @verbatiminclude handshake.utxt
 
-Each handshake message ends with so called @code{IDtag}: it is an XTEA
-encrypted first 64 bits of each message with client's @ref{Identity} as
-a key. It is used to transmit identity and to mark packet as handshake
-message.
+Each handshake message ends with so called @code{IDtag}: it is
+BLAKE2b-MAC of the first 64 bits of the handshake message, with client's
+@ref{Identity} used as a key. It is used to transmit identity and to
+mark packet as handshake message.
 
 If @ref{Noise, noise} is enabled, then data is padded to fill up packet
 to MTU's size.