X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=doc%2Fhandshake.txt;h=50b479a56293daefb44b1daccda4e1009485598a;hb=2f3299c343b4036718f254d9c23f147ba1bc0161;hp=d946833876e7a2d052b1367100fe3a2655551eef;hpb=71d699f1c4aa8e2a8537e2d63222faec0a6ea6ca;p=govpn.git

diff --git a/doc/handshake.txt b/doc/handshake.txt
index d946833..50b479a 100644
--- a/doc/handshake.txt
+++ b/doc/handshake.txt
@@ -1,21 +1,35 @@
 @startuml
+hide footbox
 participant Client
 participant Server
 
-Client -> Client : R=rand(64bit)
-Client -> Client : CPrivKey=rand(256bit)
-Client -> Server : R, enc(PSK, R, CPubKey), xtea(ID, R)
-Server -> Server : SPrivKey=rand(256bit)
-Server -> Server : K=DH(SPrivKey, CPubKey)
-Server -> Server : RS=rand(64bit)
-Server -> Server : SS=rand(256bit)
-Server -> Client : enc(PSK, R+1, SPubKey); enc(K, R, RS+SS)
-Client -> Client : K=DH(CPrivKey, SPubKey)
-Client -> Client : RC=rand(64bit); SC=rand(256bit)
-Client -> Server : enc(K, R+1, RS+RC+SC)
-Server -> Server : compare(RS)
-Server -> Server : MasterKey=SS XOR SC
-Server -> Client : enc(K, 0x00, RC)
-Client -> Client : compare(RC)
-Client -> Client : MasterKey=SS XOR SC
+Client -> Server : R, enc(H(DSAPub), R, El(CDHPub))
+note right
+R=rand(64bit)
+CDHPriv=rand(256bit)
+end note
+
+Server -> Client : enc(H(DSAPub), R+1, El(SDHPub))\nenc(K, R, RS+SS)
+note right
+SDHPriv=rand(256bit)
+K=H(DH(SDHPriv, CDHPub))
+RS=rand(64bit)
+SS=rand(256bit)
+end note
+
+Client -> Server : enc(K, R+1, RS+RC+SC+Sign(DSAPriv, K))
+note right
+K=H(DH(CDHPriv, SDHPub))
+RC=rand(64bit)
+SC=rand(256bit)
+end note
+
+Server -> Client : enc(K, R+2, RC)
+note right
+compare(RS)
+compare(RC)
+Verify(DSAPub, Sign(DSAPriv, K), K)
+MasterKey=SS XOR SC
+end note
+
 @enduml