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isabelle-ofmc/examples/AnB/Bilateral-Key_Exchange.AnB

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Protocol: BilateralKeyExchange
Types: Agent A,B;
Number NA,NB;
Symmetric_key K;
Function pk,f
Knowledge: A: A,B,pk(A),pk(B),inv(pk(A)),f;
B: A,B,pk(A),pk(B),inv(pk(B)),pk,f
Actions:
B->A: B,{NB,B}pk(A)
A->B: {f(NB),NA,A,K}pk(B)
B->A: {|f(NA)|}K
Goals:
A *->* B: K