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- Added two versions of the kao-chow protocol.

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- Improved the testing scripts.
This commit is contained in:
ccremers
2005-03-08 14:07:36 +00:00
parent 560acb220d
commit 61b3aba459
6 changed files with 166 additions and 16 deletions
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67
spdl/kaochow-v2.spdl Normal file
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@@ -0,0 +1,67 @@
usertype Sessionkey;
usertype Ticket;
secret k: Function;
protocol kaochow2(I,R,S)
{
role I
{
const ni: Nonce;
var nr: Nonce;
var kir,kt: Sessionkey;
send_1 (I,S, I,R,ni);
read_3 (R,I, R, {I,R,ni,kir,kt}k(I,S), {ni, kir}kt, nr );
send_4 (I,R, {nr,kir}kt );
claim_5 (I, Nisynch);
claim_6 (I, Niagree);
claim_7 (I, Secret, kir);
}
role R
{
var ni: Nonce;
const nr: Nonce;
var kir,kt: Sessionkey;
var T: Ticket;
read_2 (S,R, T, { I,R,ni,kir,kt }k(R,S) );
send_3 (R,I, R, T, {ni, kir}kt, nr );
read_4 (I,R, {nr,kir}kt );
claim_8 (R, Nisynch);
claim_9 (R, Niagree);
claim_10 (R, Secret, kir);
}
role S
{
var ni: Nonce;
const kir, kt: Sessionkey;
read_1 (I,S, I,R,ni);
send_2 (S,R, {I,R,ni,kir,kt}k(I,S), { I,R,ni,kir,kt }k(R,S) );
}
}
const Alice,Bob,Simon,Eve: Agent;
untrusted Eve;
const ne: Nonce;
const te: Ticket;
const ke: Sessionkey;
compromised k(Eve,Eve);
compromised k(Eve,Alice);
compromised k(Eve,Bob);
compromised k(Eve,Simon);
compromised k(Alice,Eve);
compromised k(Bob,Eve);
compromised k(Simon,Eve);
run kaochow2.I(Agent,Agent,Simon);
run kaochow2.R(Agent,Agent,Simon);
run kaochow2.S(Agent,Agent,Simon);
run kaochow2.I(Agent,Agent,Simon);
run kaochow2.R(Agent,Agent,Simon);
run kaochow2.S(Agent,Agent,Simon);

70
spdl/kaochow-v3.spdl Normal file
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@@ -0,0 +1,70 @@
usertype Sessionkey;
usertype Ticket;
usertype Timestamp;
secret k: Function;
protocol kaochow3(I,R,S)
{
role I
{
const ni: Nonce;
var nr: Nonce;
var kir,kt: Sessionkey;
var T2: Ticket;
send_1 (I,S, I,R,ni);
read_3 (R,I, R, {I,R,ni,kir,kt}k(I,S), {ni, kir}kt, nr, T2 );
send_4 (I,R, {nr,kir}kt, T2 );
claim_5 (I, Nisynch);
claim_6 (I, Niagree);
claim_7 (I, Secret, kir);
}
role R
{
var ni: Nonce;
const nr: Nonce;
var kir,kt: Sessionkey;
var T: Ticket;
const tr: Timestamp;
read_2 (S,R, T, { I,R,ni,kir,kt }k(R,S) );
send_3 (R,I, R, T, {ni, kir}kt, nr, {I,R,tr,kir}k(R,S) );
read_4 (I,R, {nr,kir}kt, {I,R,tr,kir}k(R,S) );
claim_8 (R, Nisynch);
claim_9 (R, Niagree);
claim_10 (R, Secret, kir);
}
role S
{
var ni: Nonce;
const kir, kt: Sessionkey;
read_1 (I,S, I,R,ni);
send_2 (S,R, {I,R,ni,kir,kt}k(I,S), { I,R,ni,kir,kt }k(R,S) );
}
}
const Alice,Bob,Simon,Eve: Agent;
untrusted Eve;
const ne: Nonce;
const te: Ticket;
const ke: Sessionkey;
compromised k(Eve,Eve);
compromised k(Eve,Alice);
compromised k(Eve,Bob);
compromised k(Eve,Simon);
compromised k(Alice,Eve);
compromised k(Bob,Eve);
compromised k(Simon,Eve);
run kaochow3.I(Agent,Agent,Simon);
run kaochow3.R(Agent,Agent,Simon);
run kaochow3.S(Agent,Agent,Simon);
run kaochow3.I(Agent,Agent,Simon);
run kaochow3.R(Agent,Agent,Simon);
run kaochow3.S(Agent,Agent,Simon);

2
spdl/kaochow.spdl
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@@ -26,7 +26,7 @@ protocol kaochow(I,R,S)
var kir: Sessionkey;
var T;
read_2 (S,R, { T, { I,R,ni,kir }k(R,S) }k(R,S) );
read_2 (S,R, T, { I,R,ni,kir }k(R,S) );
send_3 (R,I, T, {ni}kir, nr );
read_4 (I,R, {nr}kir );