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1 @node Developer manual
2 @unnumbered Developer manual
3
4 Pay attention how to get @ref{Development source code}.
5
6 @table @asis
7 @item Nonce and identity encryption
8 @url{http://143.53.36.235:8080/tea.htm, XTEA}.
9 @item Data encryption
10 @url{http://cr.yp.to/snuffle.html, Salsa20}.
11 @item Message authentication
12 @url{http://cr.yp.to/mac.html, Poly1305}.
13 @item Password authenticated key agreement
14 DH-A-EKE powered by @url{http://cr.yp.to/ecdh.html, Curve25519}
15 and @url{http://ed25519.cr.yp.to/, Ed25519}.
16 @item DH elliptic-curve point encoding for public keys
17 @url{http://elligator.cr.yp.to/, Elligator}.
18 @item Key derivation function for verifier generation
19 @url{https://en.wikipedia.org/wiki/PBKDF2, PBKDF2} based on
20 @url{https://en.wikipedia.org/wiki/SHA-2, SHA-512}.
21 @item Packet overhead
22 26 bytes per packet.
23 @item Handshake overhead
24 4 UDP (2 from client, 2 from server) packets, 264 bytes total payload.
25 @item Entropy required
26 832 bits in average on client, 832 bits in average on server side per
27 handshake.
28 @end table
29
30 @menu
31 * Verifier structure::
32 * Transport protocol::
33 * Handshake protocol::
34 @end menu
35
36 @include verifierstruct.texi
37 @include transport.texi
38 @include handshake.texi