session_cipher.h

#ifndef SESSION_CIPHER_H
#define SESSION_CIPHER_H

#include <stdint.h>
#include <stddef.h>
#include "signal_protocol_types.h"

#ifdef __cplusplus
extern "C" {
#endif

int session_cipher_create(session_cipher **cipher,
        signal_protocol_store_context *store, const signal_protocol_address *remote_address,
        signal_context *global_context);

void session_cipher_set_user_data(session_cipher *cipher, void *user_data);

void *session_cipher_get_user_data(session_cipher *cipher);

void session_cipher_set_decryption_callback(session_cipher *cipher,
        int (*callback)(session_cipher *cipher, signal_buffer *plaintext, void *decrypt_context));

int session_cipher_encrypt(session_cipher *cipher,
        const uint8_t *padded_message, size_t padded_message_len,
        ciphertext_message **encrypted_message);

int session_cipher_decrypt_pre_key_signal_message(session_cipher *cipher,
        pre_key_signal_message *ciphertext, void *decrypt_context,
        signal_buffer **plaintext);

int session_cipher_decrypt_signal_message(session_cipher *cipher,
        signal_message *ciphertext, void *decrypt_context,
        signal_buffer **plaintext);

int session_cipher_get_remote_registration_id(session_cipher *cipher, uint32_t *remote_id);

int session_cipher_get_session_version(session_cipher *cipher, uint32_t *version);

void session_cipher_free(session_cipher *cipher);

#ifdef __cplusplus
}
#endif

#endif /* SESSION_CIPHER_H */