path: root/src/crypto/wallet/crypto.h

// Copyright (c) 2020, The Monero Project
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
//    of conditions and the following disclaimer in the documentation and/or other
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#pragma once

#include <cstddef>
#include "crypto/wallet/ops.h"

namespace crypto {
  namespace wallet {
// if C functions defined from external/supercop - cmake generates crypto/wallet/ops.h
#if defined(monero_crypto_generate_key_derivation)
      inline
      bool generate_key_derivation(const public_key &tx_pub, const secret_key &view_sec, key_derivation &out)
      {
        return monero_crypto_generate_key_derivation(out.data, tx_pub.data, view_sec.data) == 0;
      }

      inline
      bool derive_subaddress_public_key(const public_key &output_pub, const key_derivation &d, std::size_t index, public_key &out)
      {
        ec_scalar scalar;
        derivation_to_scalar(d, index, scalar);
        return monero_crypto_generate_subaddress_public_key(out.data, output_pub.data, scalar.data) == 0;
      }
#else
    using ::crypto::generate_key_derivation;
    using ::crypto::derive_subaddress_public_key;
#endif
  }
}