rsa.hh

#ifndef __VEREIGN_NCRYPT_RSA_HH
#define __VEREIGN_NCRYPT_RSA_HH

#include <vereign/ncrypt/unique_ptr.hh>
#include <vereign/bytes/buffer.hh>

#include <windows.h>
#include <ncrypt.h>
#include <string>
#include <optional>

namespace vereign::ncrypt::rsa {

struct KeyUIPolicy {
  std::string_view CreationTitle;
  std::string_view Description;
  std::string_view FriendlyName;
};

auto OpenStorageProvider() -> UniquePtr;
auto LoadKey(NCRYPT_PROV_HANDLE provider, const std::string& key_name) -> UniquePtr;
auto CreateKey(
  NCRYPT_PROV_HANDLE provider,
  int bits,
  const std::string& key_name,
  std::optional<KeyUIPolicy> ui_policy
) -> UniquePtr;
void DeleteKey(NCRYPT_KEY_HANDLE key);

void PublicKeyEncrypt(NCRYPT_KEY_HANDLE key, bytes::View src, bytes::Buffer& encrypted);
void PrivateKeyDecrypt(NCRYPT_KEY_HANDLE key, bytes::View src, bytes::Buffer& decrypted);

} // vereign::ncrypt::rsa

#endif // __VEREIGN_NCRYPT_RSA_HH