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#ifndef AXOLOTL_ACCOUNT_HH_
#define AXOLOTL_ACCOUNT_HH_
#include "axolotl/list.hh"
#include "axolotl/crypto.hh"
#include "axolotl/error.hh"
#include <cstdint>
namespace axolotl {
struct LocalKey {
std::uint32_t id;
Curve25519KeyPair key;
};
struct SignedKey : LocalKey {
std::uint8_t signature[64];
};
static std::size_t const MAX_ONE_TIME_KEYS = 100;
struct Account {
LocalKey identity_key;
LocalKey last_resort_one_time_key;
List<LocalKey, MAX_ONE_TIME_KEYS> one_time_keys;
ErrorCode last_error;
/** Number of random bytes needed to create a new account */
std::size_t new_account_random_length();
/** Create a new account. Returns NOT_ENOUGH_RANDOM if the number of random
* bytes is too small. */
std::size_t new_account(
uint8_t const * random, std::size_t random_length
);
LocalKey const * lookup_key(
std::uint32_t id
);
/** The number of bytes needed to persist this account. */
std::size_t pickle_length();
/** Persists an account as a sequence of bytes
* Returns the number of output bytes used. */
std::size_t pickle(
std::uint8_t * output, std::size_t output_length
);
/** Loads an account from a sequence of bytes.
* Returns 0 on success, or std::size_t(-1) on failure. */
std::size_t unpickle(
std::uint8_t * input, std::size_t input_length
);
};
} // namespace axolotl
#endif /* AXOLOTL_ACCOUNT_HH_ */
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