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#ifndef HASH_METHOD_HH
#define HASH_METHOD_HH

#include <memory>
#include <string>

class HashMethod {
public:
  virtual ~HashMethod() = default;

  static std::unique_ptr<HashMethod> sha256();

  virtual void update(void const* data, size_t count) = 0;

  virtual std::string finish() = 0;

protected:
  HashMethod() = default;

  std::string to_string(uint8_t const* data, size_t len);
};

#endif  // HASH_METHOD_HH