2 Zcash uses SHA256Compress as a PRF for various components
3 within the zkSNARK circuit.
12 uint256 PRF_addr_a_pk(const uint252& a_sk);
13 uint256 PRF_addr_sk_enc(const uint252& a_sk);
14 uint256 PRF_nf(const uint252& a_sk, const uint256& rho);
15 uint256 PRF_pk(const uint252& a_sk, size_t i0, const uint256& h_sig);
16 uint256 PRF_rho(const uint252& phi, size_t i0, const uint256& h_sig);