crypto_hmac_sha256.h

#ifndef SOURCEMETA_CORE_CRYPTO_HMAC_SHA256_H_
#define SOURCEMETA_CORE_CRYPTO_HMAC_SHA256_H_
 
#ifndef SOURCEMETA_CORE_CRYPTO_EXPORT
#include <sourcemeta/core/crypto_export.h>
#endif
 
#include <array>       // std::array
#include <cstdint>     // std::uint8_t
#include <ostream>     // std::ostream
#include <span>        // std::span
#include <string>      // std::string
#include <string_view> // std::string_view
 
namespace sourcemeta::core {

auto SOURCEMETA_CORE_CRYPTO_EXPORT hmac_sha256(const std::string_view key,
                                               const std::string_view message,
                                               std::ostream &output) -> void;

auto SOURCEMETA_CORE_CRYPTO_EXPORT hmac_sha256(const std::string_view key,
                                               const std::string_view message)
    -> std::string;

auto SOURCEMETA_CORE_CRYPTO_EXPORT
hmac_sha256_digest(const std::string_view key, const std::string_view message)
    -> std::array<std::uint8_t, 32>;

auto SOURCEMETA_CORE_CRYPTO_EXPORT hmac_sha256_digest(
    const std::string_view key, std::span<const std::string_view> message)
    -> std::array<std::uint8_t, 32>;
 
} // namespace sourcemeta::core
 
#endif