Simplify transport packet padding scheme, save 1 byte

[govpn.git] / doc / developer.texi

diff --git a/doc/developer.texi b/doc/developer.texi
index 0ced2864f90400ee16539b44a35c878047aea6bc..d9136eb11518d2afc4179c35bd555bf06fa36236 100644 (file)
--- a/doc/developer.texi
+++ b/doc/developer.texi
@@ -1,6 +1,8 @@
-@node Developer manual
+@node Developer
 @unnumbered Developer manual
 
+Pay attention how to get @ref{Sources, development source code}.
+
 @table @asis
 @item Nonce and identity encryption
 @url{http://143.53.36.235:8080/tea.htm, XTEA}.
@@ -13,21 +15,22 @@ DH-A-EKE powered by @url{http://cr.yp.to/ecdh.html, Curve25519}
 and @url{http://ed25519.cr.yp.to/, Ed25519}.
 @item DH elliptic-curve point encoding for public keys
 @url{http://elligator.cr.yp.to/, Elligator}.
-@item Key derivation function for verifier generation
-@url{https://en.wikipedia.org/wiki/PBKDF2, PBKDF2} based on
-@url{https://en.wikipedia.org/wiki/SHA-2, SHA-512}.
+@item Verifier password hashing algorithm
+@url{https://password-hashing.net/#argon2, Argon2d}.
 @item Packet overhead
-26 bytes per packet.
+25 bytes per packet.
 @item Handshake overhead
-4 UDP (2 from client, 2 from server) packets, 264 bytes total payload.
+4 UDP (2 from client, 2 from server) packets (round-trips for TCP),
+264 bytes total payload.
 @item Entropy required
-832 bits on client side, 832 bits on server side per handshake.
+832 bits in average on client, 832 bits in average on server side per
+handshake.
 @end table
 
 @menu
 * Verifier structure::
-* Transport protocol::
-* Handshake protocol::
+* Transport protocol: Transport.
+* Handshake protocol: Handshake.
 @end menu
 
 @include verifierstruct.texi