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Change librustzcash dependency hash to work for new Sapling classes

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This commit is contained in:
Jay Graber
2018-05-17 06:13:52 -07:00
parent 11acfe6e9f
commit 84e3a2212f
3 changed files with 13 additions and 9 deletions
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4
src/zcash/prf.cpp
View File

@@ -8,7 +8,7 @@
const unsigned char ZCASH_EXPANDSEED_PERSONALIZATION[crypto_generichash_blake2b_PERSONALBYTES] = {'Z','c','a','s','h','_','E','x','p','a','n','d','S','e','e','d'};
// Sapling
std::array<unsigned char, 64> PRF_expand(const uint256& x, unsigned char t)
std::array<unsigned char, 64> PRF_expand(const uint256& sk, unsigned char t)
{
std::array<unsigned char, 64> res;
unsigned char blob[33];
@@ -65,6 +65,8 @@ std::array<unsigned char, 11> default_diversifier(const uint256& sk)
if (librustzcash_check_diversifier(res.data())) {
break;
} else if (blob[33] > 255) {
throw std::runtime_error("librustzcash_check_diversifier did not return valid diversifier");
}
blob[33] += 1;
}

14
src/zcash/prf.h
View File

@@ -11,16 +11,18 @@ within the zkSNARK circuit.
#include <array>
uint256 PRF_ask(const uint256& sk);
uint256 PRF_nsk(const uint256& sk);
uint256 PRF_ovk(const uint256& sk);
std::array<unsigned char, 11> default_diversifier(const uint256& sk);
//! Sprout functions
uint256 PRF_addr_a_pk(const uint252& a_sk);
uint256 PRF_addr_sk_enc(const uint252& a_sk);
uint256 PRF_nf(const uint252& a_sk, const uint256& rho);
uint256 PRF_pk(const uint252& a_sk, size_t i0, const uint256& h_sig);
uint256 PRF_rho(const uint252& phi, size_t i0, const uint256& h_sig);
//! Sapling functions
uint256 PRF_ask(const uint256& sk);
uint256 PRF_nsk(const uint256& sk);
uint256 PRF_ovk(const uint256& sk);
std::array<unsigned char, 11> default_diversifier(const uint256& sk);
#endif // ZC_PRF_H_