25 lines
821 B
Rust
25 lines
821 B
Rust
extern crate bn;
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extern crate rand;
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use bn::{Group, Fr, G1, G2, pairing};
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fn main() {
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let rng = &mut rand::thread_rng();
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// Generate private keys
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let alice_sk = Fr::random(rng);
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let bob_sk = Fr::random(rng);
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let carol_sk = Fr::random(rng);
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// Generate public keys in G1 and G2
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let (alice_pk1, alice_pk2) = (G1::one() * alice_sk, G2::one() * alice_sk);
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let (bob_pk1, bob_pk2) = (G1::one() * bob_sk, G2::one() * bob_sk);
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let (carol_pk1, carol_pk2) = (G1::one() * carol_sk, G2::one() * carol_sk);
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// Each party computes the shared secret
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let alice_ss = pairing(bob_pk1, carol_pk2).pow(alice_sk);
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let bob_ss = pairing(carol_pk1, alice_pk2).pow(bob_sk);
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let carol_ss = pairing(alice_pk1, bob_pk2).pow(carol_sk);
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assert!(alice_ss == bob_ss && bob_ss == carol_ss);
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}
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