| 67 | } |
| 68 | |
| 69 | bool VerifyBlindAssetProof(const uint256& asset, const std::vector<unsigned char>& proof, const CConfidentialAsset& conf_asset) |
| 70 | { |
| 71 | if (conf_asset.vchCommitment.size() != CConfidentialAsset::nCommittedSize || proof.empty()) { |
| 72 | return false; |
| 73 | } |
| 74 | secp256k1_surjectionproof surj_proof; |
| 75 | if (secp256k1_surjectionproof_parse(secp256k1_blind_context, &surj_proof, proof.data(), proof.size()) == 0) { |
| 76 | return false; |
| 77 | } |
| 78 | secp256k1_generator blinded_asset_gen; |
| 79 | if (secp256k1_generator_parse(secp256k1_blind_context, &blinded_asset_gen, conf_asset.vchCommitment.data()) == 0) { |
| 80 | return false; |
| 81 | } |
| 82 | secp256k1_generator asset_gen; |
| 83 | if (secp256k1_generator_generate(secp256k1_blind_context, &asset_gen, asset.data()) == 0) { |
| 84 | return false; |
| 85 | } |
| 86 | |
| 87 | return secp256k1_surjectionproof_verify(secp256k1_blind_context, &surj_proof, &asset_gen, 1, &blinded_asset_gen); |
| 88 | } |
| 89 | |
| 90 | uint256 GenerateRangeproofECDHKey(CPubKey& ephemeral_pubkey, const CPubKey blinding_pubkey) |
| 91 | { |
no test coverage detected