| 37 | |
| 38 | public: |
| 39 | CSignatureCache() |
| 40 | { |
| 41 | uint256 nonce = GetRandHash(); |
| 42 | // We want the nonce to be 64 bytes long to force the hasher to process |
| 43 | // this chunk, which makes later hash computations more efficient. We |
| 44 | // just write our 32-byte entropy, and then pad with 'E' for ECDSA and |
| 45 | // 'S' for Schnorr (followed by 0 bytes). |
| 46 | static constexpr unsigned char PADDING_ECDSA[32] = {'E'}; |
| 47 | static constexpr unsigned char PADDING_SCHNORR[32] = {'S'}; |
| 48 | static constexpr unsigned char PADDING_RANGE_PROOF[32] = {'r'}; |
| 49 | static constexpr unsigned char PADDING_SURJECTION_PROOF[32] = {'s'}; |
| 50 | m_salted_hasher_ecdsa.Write(nonce.begin(), 32); |
| 51 | m_salted_hasher_ecdsa.Write(PADDING_ECDSA, 32); |
| 52 | m_salted_hasher_schnorr.Write(nonce.begin(), 32); |
| 53 | m_salted_hasher_schnorr.Write(PADDING_SCHNORR, 32); |
| 54 | m_salted_hasher_range_proof.Write(nonce.begin(), 32); |
| 55 | m_salted_hasher_range_proof.Write(PADDING_RANGE_PROOF, 32); |
| 56 | m_salted_hasher_surjection_proof.Write(nonce.begin(), 32); |
| 57 | m_salted_hasher_surjection_proof.Write(PADDING_SURJECTION_PROOF, 32); |
| 58 | } |
| 59 | |
| 60 | void |
| 61 | ComputeEntryECDSA(uint256& entry, const uint256 &hash, const std::vector<unsigned char>& vchSig, const CPubKey& pubkey) const |
nothing calls this directly
no test coverage detected