account.hh 1.2 KB
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#ifndef AXOLOTL_ACCOUNT_HH_
#define AXOLOTL_ACCOUNT_HH_

#include "axolotl/list.hh"
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#include "axolotl/crypto.hh"
#include "axolotl/error.hh"
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#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;
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    ErrorCode last_error;
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    /** 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. */
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    std::size_t new_account(
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        uint8_t const * random, std::size_t random_length
    );

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    LocalKey const * lookup_key(
        std::uint32_t id
    );
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};
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std::size_t pickle_length(
    Account const & value
);
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std::uint8_t * pickle(
    std::uint8_t * pos,
    Account const & value
);


std::uint8_t const * unpickle(
    std::uint8_t const * pos, std::uint8_t const * end,
    Account & value
);
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} // namespace axolotl

#endif /* AXOLOTL_ACCOUNT_HH_ */