crypto_ecdh.h

#ifndef SOURCEMETA_CORE_CRYPTO_ECDH_H_
#define SOURCEMETA_CORE_CRYPTO_ECDH_H_
 
#ifndef SOURCEMETA_CORE_CRYPTO_EXPORT
#include <sourcemeta/core/crypto_export.h>
#endif
 
#include <sourcemeta/core/crypto_sign.h>
#include <sourcemeta/core/crypto_verify.h>
 
#include <cstddef>     // std::size_t
#include <optional>    // std::optional
#include <string>      // std::string
#include <string_view> // std::string_view
 
namespace sourcemeta::core {

auto SOURCEMETA_CORE_CRYPTO_EXPORT ecdh_derive(const PrivateKey &private_key,
                                               const PublicKey &public_key)
    -> std::optional<std::string>;

auto SOURCEMETA_CORE_CRYPTO_EXPORT kdf_concat(
    const std::string_view shared_secret, const std::string_view algorithm_id,
    const std::string_view party_u_info, const std::string_view party_v_info,
    const std::size_t derived_key_bytes) -> std::optional<std::string>;
 
} // namespace sourcemeta::core
 
#endif