54 lines
1.0 KiB
C++
54 lines
1.0 KiB
C++
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/** HEADDOC
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* @protocol Just Fast Keying
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* @reference Aiello et al., Just Fast Keying: Key Agreement In A Hostile
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* Internet
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* @description
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* @variant Core cryptographic protocol of JFKi
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**/
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/** MACRO DEFINITIONS
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* Needs preprocessing by cpp before fed to scyther
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**/
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#define __JFK_CORE__
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#ifndef __ORACLE__
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#include "common.h"
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#endif
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protocol jfki-core(I, R)
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{
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role I {
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fresh i, Ni: Nonce;
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var Nr: Nonce;
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var Gr: Ticket;
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send_1( I, R, Ni, I, g(i) );
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recv_2( R, I, Nr, Ni, R, Gr, {Nr, Ni, Gr, g(i), I}sk(R) );
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send_3( I, R, Nr, Ni, {Nr, Ni, Gr, g(i), R}sk(I) );
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/* SECURITY CLAIMS */
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claim( I, SKR, SKi );
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claim( I, Alive );
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claim( I, Weakagree );
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}
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role R {
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fresh r, Nr: Nonce;
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var Ni: Nonce;
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var Gi: Ticket;
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recv_1( I, R, Ni, I, Gi );
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send_2( R, I, Nr, Ni, R, g(r), {Nr, Ni, g(r), Gi, I}sk(R) );
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recv_3( I, R, Nr, Ni, {Nr, Ni, g(r), Gi, R}sk(I) );
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/* SECURITY CLAIMS */
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claim( R, SKR, SKr );
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claim( R, Alive );
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claim( R, Weakagree );
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}
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}
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