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Little tweak to the key compromise modelling, model key compromise agent as a

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responder instead of an initiator, remove empty roles from key compromise
protocol.
This commit is contained in:
gijs 2005-06-15 09:17:15 +00:00
parent ba47af0c42
commit f8a91d744d
1 changed files with 8 additions and 11 deletions
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17
spdl/SPORE/key-compromise/needham-schroeder-sk.spdl
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@ -16,15 +16,17 @@ const dec,inc: Function;
inversekeys(dec,inc); inversekeys(dec,inc);
usertype SessionKey; usertype SessionKey;
protocol needhamschroederSessionKeyCompromise(I,R,S) protocol needhamschroederSessionKeyCompromise(C)
{ {
// Disclose an entire session and the corresponding session key // Read the names of 3 agents and disclose a session between them including
// to simulate key compromise // corresponding session key to simulate key compromise
role I { role C {
const Ni,Nr: Nonce; const Ni,Nr: Nonce;
const Kir: SessionKey; const Kir: SessionKey;
var I,R,S: Agent;
send_D1(I,I, (I,R,Ni), read_C1(C,C, I,R,S);
send_C2(C,C, (I,R,Ni),
{Ni,R,Kir,{Kir,I}k(R,S)}k(I,S), {Ni,R,Kir,{Kir,I}k(R,S)}k(I,S),
{Kir,I}k(R,S), {Kir,I}k(R,S),
{Nr}Kir, {Nr}Kir,
@ -32,13 +34,8 @@ protocol needhamschroederSessionKeyCompromise(I,R,S)
Kir Kir
); );
} }
role R {
} }
role S {
}
}
protocol needhamschroedersk(I,R,S) protocol needhamschroedersk(I,R,S)
{ {
role I role I