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19 lines
551 B
Plaintext
19 lines
551 B
Plaintext
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//
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pragma circom 2.1.9;
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include "poseidon2_sponge.circom";
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//------------------------------------------------------------------------------
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// Hash `n` field elements into 1, with approximately 254 bits of preimage security (?)
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// (assuming bn128 scalar field. We use capacity=2, rate=1, t=3).
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template Poseidon2_hash(n) {
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signal input inp[n];
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signal output out;
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component sponge = PoseidonSponge(3,2,n,1);
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sponge.inp <== inp;
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sponge.out[0] ==> out;
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}
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//------------------------------------------------------------------------------
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