andr3/scyther
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- Add names to WMF messages so that the system property described in SPORE

Browse Source 
(agents will not accepted messages they have created them selves) can be
  modelled.
This commit is contained in:
gijs 2005-07-04 13:29:49 +00:00
parent 12b5d96ddb
commit 92356a2d43
1 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
spdl/SPORE/wmf.spdl
View File

@ -3,6 +3,10 @@
# Modelled after the description in the SPORE library
# http://www.lsv.ens-cachan.fr/spore/wideMouthedFrog.html
#
# Note
# The name of the party that has generated a message was added in order
# to model the property described in SPORE that an agent can identify
# its own messages and will reject them.
usertype SessionKey;
usertype TimeStamp;
@ -22,8 +26,8 @@ protocol wmfSessionKeyCompromise(C)
var I,R,S: Agent;
read_C1(C,C, I,R,S);
send_C2(C,C, I, {Ti,R,Kir}k(I,S),
{Ts,I,Kir}k(R,S),
send_C2(C,C, I, {I,Ti,R,Kir}k(I,S),
{S,Ts,I,Kir}k(R,S),
Kir
);
claim_C3(C,Empty, (Compromised,Kir));
@ -38,7 +42,7 @@ protocol wmf(I,R,S)
const Ti: TimeStamp;
var Kr: SessionKey;
send_1(I,S, I, {Ti, R, Kir}k(I,S));
send_1(I,S, I, {I, Ti, R, Kir}k(I,S));
claim_I1(I,Secret,Kir);
claim_I2(I,Empty,(Fresh,Kir));
@ -49,7 +53,7 @@ protocol wmf(I,R,S)
var Ts: TimeStamp;
var Kir: SessionKey;
read_2(S,R, {Ts, I, Kir}k(R,S) );
read_2(S,R, {S, Ts, I, Kir}k(R,S) );
claim_R1(R,Secret,Kir);
claim_R2(R,Nisynch);
@ -62,8 +66,8 @@ protocol wmf(I,R,S)
const Ts: TimeStamp;
var Ti: TimeStamp;
read_1(I,S, I,{Ti, R, Kir}k(I,S) );
send_2(S,R, {Ts, I, Kir}k(R,S));
read_1(I,S, I,{I, Ti, R, Kir}k(I,S) );
send_2(S,R, {S, Ts, I, Kir}k(R,S));
}
}