andr3/ComputerSecurity
Archived
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 2 Wiki Activity

Fixed protocol
All checks were successful
continuous-integration/drone/push Build is passing
Details

Browse Source
This commit is contained in:
Andre Henriques 2023-12-11 18:18:47 +00:00
parent 6911a16ab1
commit c3149da051
2 changed files with 122 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
secondcw/ag01598_6644818_1_3.spdl
View File

@ -9,7 +9,7 @@ hashfunction H1;
protocol protocolPI(Network, Application, Phone) { protocol protocolPI(Network, Application, Phone) {
/* Role R - Phone /* Role R - Phone
* *
* has keys k(N,R) * has keys k(N,R)
* *
@ -19,25 +19,19 @@ protocol protocolPI(Network, Application, Phone) {
var SesK: SessionKey; var SesK: SessionKey;
var tl: Timestamp; var tl: Timestamp;
var TApp: Ticket; recv_keysPhone(Network,Phone, {H1(SesK, tl, Application)}k(Network, Phone), {SesK, tl, Application}k(Network, Phone));
recv_keysPhone(Network,Phone, {H1(SesK, tl)}k(Network, Phone), {SesK, tl}k(Network, Phone), TApp);
var mApp: String; var mApp: String;
var temp: Ticket; var temp: Ticket;
recv_1(Application,Phone, {mApp, {Network, Application, Phone, tl}k(Network, Phone), Application, Phone }SesK); recv_1(Application,Phone, {mApp, Application, Phone }SesK);
fresh mPhone: String; fresh mPhone: String;
claim_phone1(Phone, Running, Application, mApp); claim_phone1(Phone, Running, Application, mApp);
fresh nApp3: Nonce; send_2(Phone,Application, {mApp, mPhone}SesK);
send_2(Phone,Application, {mApp, mPhone, TApp, nApp3}SesK);
recv_3(Application,Phone, {nApp3}SesK);
claim_phone2(Phone, Secret, SesK); claim_phone2(Phone, Secret, SesK);
claim_application1(Phone, Commit, Application, mApp); claim_application1(Phone, Commit, Application, mApp);
@ -60,22 +54,16 @@ protocol protocolPI(Network, Application, Phone) {
var SesK: SessionKey; var SesK: SessionKey;
var tl: Timestamp; var tl: Timestamp;
var TPhone: Ticket; recv_keysApp(Network,Application, {H1(SesK, tl, nApp, Phone)}k(Network, Application), {SesK, tl, nApp, Phone}k(Network, Application));
recv_keysApp(Network,Application, {H1(SesK, tl)}k(Network, Application), {SesK, tl, nApp}k(Network, Application), TPhone);
fresh mApp: String; fresh mApp: String;
var mPhone: String; var mPhone: String;
claim_application1(Application, Running, Phone, mApp); claim_application1(Application, Running, Phone, mApp);
send_1(Application,Phone, {mApp, TPhone, Application, Phone}SesK); send_1(Application,Phone, {mApp, Application, Phone}SesK);
var nApp3: Nonce; recv_2(Phone,Application, {mApp, mPhone}SesK);
recv_2(Phone,Application, {mApp, mPhone, {Network, Application, Phone, tl}k(Network, Application), nApp3}SesK);
send_3(Application,Phone, {nApp3}SesK);
claim_application2(Application, Secret, SesK); claim_application2(Application, Secret, SesK);
claim_phone1(Application, Commit, Phone, mApp); claim_phone1(Application, Commit, Phone, mApp);
@ -100,10 +88,10 @@ protocol protocolPI(Network, Application, Phone) {
claim_netwrok1(Network, Running, Application, SesK, tl); claim_netwrok1(Network, Running, Application, SesK, tl);
send_keysApp(Network,Application, {H1(SesK, tl)}k(Network, Application), {SesK, tl, nApp}k(Network, Application), {Network, Application, Phone, tl}k(Network, Phone)); send_keysApp(Network,Application, { H1(SesK, tl, nApp, Phone) }k(Network, Application) , {SesK, tl, nApp, Phone}k(Network, Application));
claim_network2(Network, Running, Phone, SesK, tl); claim_network2(Network, Running, Phone, SesK, tl);
send_keysPhone(Network,Phone, {H1(SesK, tl)}k(Network, Phone), {SesK, tl}k(Network, Phone), {Network, Application, Phone, tl}k(Network, Application)); send_keysPhone(Network,Phone, {H1(SesK, tl, Application)}k(Network, Phone), {SesK, tl, Application}k(Network, Phone));
claim_network3(Network, Secret, SesK); claim_network3(Network, Secret, SesK);
} }

113
secondcw/ag01598_6644818_1_3_complex_solution.spdl Normal file
View File

@ -0,0 +1,113 @@
/*
* Coursework 2 PI protocol
*/
usertype String;
usertype Timestamp;
usertype Sessionkey;
hashfunction H1;
protocol protocolPI(Network, Application, Phone) {
/* Role R - Phone
*
* has keys k(N,R)
*
*/
role Phone {
var SesK: SessionKey;
var tl: Timestamp;
var TApp: Ticket;
recv_keysPhone(Network,Phone, {H1(SesK, tl)}k(Network, Phone), {SesK, tl}k(Network, Phone), TApp);
var mApp: String;
var temp: Ticket;
recv_1(Application,Phone, {mApp, {Network, Application, Phone, tl}k(Network, Phone), Application, Phone }SesK);
fresh mPhone: String;
claim_phone1(Phone, Running, Application, mApp);
fresh nApp3: Nonce;
send_2(Phone,Application, {mApp, mPhone, TApp, nApp3}SesK);
recv_3(Application,Phone, {nApp3}SesK);
claim_phone2(Phone, Secret, SesK);
claim_application1(Phone, Commit, Application, mApp);
claim_network2(Phone, Commit, Network, SesK, tl);
claim_phone3(Phone, Nisynch);
}
/* Role S - Application
*
* has keys k(N,S)
*
*/
role Application {
fresh nApp: Nonce;
send_refreshKeys(Application,Network, Application, Phone, nApp);
var SesK: SessionKey;
var tl: Timestamp;
var TPhone: Ticket;
recv_keysApp(Network,Application, {H1(SesK, tl)}k(Network, Application), {SesK, tl, nApp}k(Network, Application), TPhone);
fresh mApp: String;
var mPhone: String;
claim_application1(Application, Running, Phone, mApp);
send_1(Application,Phone, {mApp, TPhone, Application, Phone}SesK);
var nApp3: Nonce;
recv_2(Phone,Application, {mApp, mPhone, {Network, Application, Phone, tl}k(Network, Application), nApp3}SesK);
send_3(Application,Phone, {nApp3}SesK);
claim_application2(Application, Secret, SesK);
claim_phone1(Application, Commit, Phone, mApp);
claim_network1(Application, Commit, Network, SesK, tl);
claim_application3(Application, Nisynch);
}
/* Role N - Network
*
* has keys k(N,R) and k(N,S)
*
*/
role Network {
var nApp: Nonce;
recv_refreshKeys(Application,Network, Application, Phone, nApp);
fresh SesK: SessionKey;
fresh tl: Timestamp;
claim_netwrok1(Network, Running, Application, SesK, tl);
send_keysApp(Network,Application, { H1(SesK, tl) }k(Network, Application) , {SesK, tl, nApp}k(Network, Application), {Network, Application, Phone, tl}k(Network, Phone));
claim_network2(Network, Running, Phone, SesK, tl);
send_keysPhone(Network,Phone, {H1(SesK, tl)}k(Network, Phone), {SesK, tl}k(Network, Phone), {Network, Application, Phone, tl}k(Network, Application));
claim_network3(Network, Secret, SesK);
}
}