29 lines
722 B
C++
29 lines
722 B
C++
/*
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Zcash uses SHA256Compress as a PRF for various components
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within the zkSNARK circuit.
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*/
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#ifndef ZC_PRF_H_
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#define ZC_PRF_H_
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#include "uint256.h"
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#include "uint252.h"
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#include <array>
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//! Sprout functions
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uint256 PRF_addr_a_pk(const uint252& a_sk);
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uint256 PRF_addr_sk_enc(const uint252& a_sk);
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uint256 PRF_nf(const uint252& a_sk, const uint256& rho);
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uint256 PRF_pk(const uint252& a_sk, size_t i0, const uint256& h_sig);
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uint256 PRF_rho(const uint252& phi, size_t i0, const uint256& h_sig);
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//! Sapling functions
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uint256 PRF_ask(const uint256& sk);
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uint256 PRF_nsk(const uint256& sk);
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uint256 PRF_ovk(const uint256& sk);
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std::array<unsigned char, 11> default_diversifier(const uint256& sk);
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#endif // ZC_PRF_H_
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