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- Adding Yahalom and variants

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This commit is contained in:
gijs 2005-05-23 12:33:03 +00:00
parent b86c60240c
commit b05843d690
4 changed files with 249 additions and 0 deletions
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63
spdl/SPORE/yahalom-ban.spdl Normal file
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# BAN simplified version of Yahalom
#
# Modelled after the description in the SPORE library
# http://www.lsv.ens-cachan.fr/spore/yahalomBAN.html
#
# Note:
# This protocol uses a ticket so scyther will only be able to verify
# the protocol using the ARACHNE engine (-a) and type 2 matching (-m2)
#
secret k : Function;
usertype Ticket, Key;
protocol yahalomBAN(I,R,S)
{
role I
{
const Ni: Nonce;
var Nr: Nonce;
var T: Ticket;
var Kir: Key;
send_1(I,R, I,Ni);
read_3(S,I, Nr, {R,Kir,Ni}k(I,S), T );
send_4(I,R, T, {Nr}Kir );
claim_I1(I, Secret,Kir);
claim_I2(I, Nisynch);
}
role R
{
const Nr: Nonce;
var Ni: Nonce;
var T: Ticket;
var Kir: Key;
read_1(I,R, I,Ni);
send_2(R,S, R, Nr, {I,Ni}k(R,S) );
read_4(I,R, {I,Kir,Nr}k(R,S) , {Nr}Kir );
claim_R1(R, Secret,Kir);
claim_R2(R, Nisynch);
}
role S
{
const Kir: Key;
var Ni,Nr: Nonce;
read_2(R,S, R, {I,Ni,Nr}k(R,S) );
send_3(S,I, {R,Kir,Ni,Nr}k(I,S), {I,Kir}k(R,S) );
}
}
const Alice,Bob,Simon : Agent;
run yahalomBAN.I(Agent,Agent,s);
run yahalomBAN.I(Agent,Agent,s);
run yahalomBAN.R(Agent,Agent,s);

60
spdl/SPORE/yahalom-lowe.spdl Normal file
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# Lowe's modified version of Yahalom
#
# Modelled after the description in the SPORE library
# http://www.lsv.ens-cachan.fr/spore/yahalomLowe.html
#
#
secret k : Function;
usertype Key;
protocol yahalomLowe(I,R,S)
{
role I
{
const Ni: Nonce;
var Nr: Nonce;
var Kir: Key;
send_1(I,R, I,Ni);
read_3(S,I, {R,Kir,Ni,Nr}k(I,S) );
send_5(I,R, {I, R, S, Nr}Kir );
claim_I1(I, Secret,Kir);
claim_I2(I, Nisynch);
}
role R
{
const Nr: Nonce;
var Ni: Nonce;
var Kir: Key;
read_1(I,R, I,Ni);
send_2(R,S, {I,Ni,Nr}k(R,S) );
read_4(S,R, {I,Kir}k(R,S));
read_5(I,R, {I, R, S, Nr}Kir);
claim_R1(R, Secret,Kir);
claim_R2(R, Nisynch);
}
role S
{
const Kir: Key;
var Ni,Nr: Nonce;
read_2(R,S, {I,Ni,Nr}k(R,S) );
send_3(S,I, {R,Kir,Ni,Nr}k(I,S));
send_4(S,R, {I,Kir}k(R,S));
}
}
const Alice,Bob,Simon : Agent;
run yahalomLowe.I(Agent,Agent,s);
run yahalomLowe.I(Agent,Agent,s);
run yahalomLowe.R(Agent,Agent,s);

63
spdl/SPORE/yahalom-paulson.spdl Normal file
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# Paulson's strengthened version of Yahalom
#
# Modelled after the description in the SPORE library
# http://www.lsv.ens-cachan.fr/spore/yahalomPaulson.html
#
# Note:
# This protocol uses a ticket so scyther will only be able to verify
# the protocol using the ARACHNE engine (-a) and type 2 matching (-m2)
#
secret k : Function;
usertype Ticket, Key;
protocol yahalomPaulson(I,R,S)
{
role I
{
const Ni: Nonce;
var Nr: Nonce;
var T: Ticket;
var Kir: Key;
send_1(I,R, I,Ni);
read_3(S,I, Nr, {R,Kir,Ni}k(I,S), T );
send_4(I,R, T, {Nr}Kir );
claim_I1(I, Secret,Kir);
claim_I2(I, Nisynch);
}
role R
{
const Nr: Nonce;
var Ni: Nonce;
var T: Ticket;
var Kir: Key;
read_1(I,R, I,Ni);
send_2(R,S, R, Nr, {I,Ni}k(R,S) );
read_4(I,R, {I,R, Kir, Nr}k(R,S) , {Nr}Kir );
claim_R1(R, Secret,Kir);
claim_R2(R, Nisynch);
}
role S
{
const Kir: Key;
var Ni,Nr: Nonce;
read_2(R,S, R, Nr, {I,Ni}k(R,S) );
send_3(S,I, Nr, {R,Kir,Ni}k(I,S), {I,R,Kir,Nr}k(R,S) );
}
}
const Alice,Bob,Simon : Agent;
run yahalomPaulson.I(Agent,Agent,s);
run yahalomPaulson.I(Agent,Agent,s);
run yahalomPaulson.R(Agent,Agent,s);

63
spdl/SPORE/yahalom.spdl Normal file
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# Yahalom
#
# Modelled after the description in the SPORE library
# http://www.lsv.ens-cachan.fr/spore/yahalom.html
#
# Note:
# This protocol uses a ticket so scyther will only be able to verify
# the protocol using the ARACHNE engine (-a) and type 2 matching (-m2)
#
secret k : Function;
usertype Ticket, Key;
protocol yahalom(I,R,S)
{
role I
{
const Ni: Nonce;
var Nr: Nonce;
var T: Ticket;
var Kir: Key;
send_1(I,R, I,Ni);
read_3(S,I, {R,Kir,Ni,Nr}k(I,S), T );
send_4(I,R, T, {Nr}Kir );
claim_I1(I, Secret,Kir);
claim_I2(I, Nisynch);
}
role R
{
const Nr: Nonce;
var Ni: Nonce;
var T: Ticket;
var Kir: Key;
read_1(I,R, I,Ni);
send_2(R,S, R, {I,Ni,Nr}k(R,S) );
read_4(I,R, {I,Kir}k(R,S) , {Nr}Kir );
claim_R1(R, Secret,Kir);
claim_R2(R, Nisynch);
}
role S
{
const Kir: Key;
var Ni,Nr: Nonce;
read_2(R,S, R, {I,Ni,Nr}k(R,S) );
send_3(S,I, {R,Kir,Ni,Nr}k(I,S), {I,Kir}k(R,S) );
}
}
const Alice,Bob,Simon : Agent;
run yahalom.I(Agent,Agent,s);
run yahalom.I(Agent,Agent,s);
run yahalom.R(Agent,Agent,s);