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