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Diffstat (limited to 'NK_C_API.h')
| -rw-r--r-- | NK_C_API.h | 482 |
1 files changed, 482 insertions, 0 deletions
diff --git a/NK_C_API.h b/NK_C_API.h new file mode 100644 index 0000000..3742b43 --- /dev/null +++ b/NK_C_API.h @@ -0,0 +1,482 @@ +#ifndef LIBNITROKEY_NK_C_API_H +#define LIBNITROKEY_NK_C_API_H + +#include <stdint.h> + +#ifdef _MSC_VER +#define NK_C_API __declspec(dllexport) +#else +#define NK_C_API +#endif + +#ifdef __cplusplus +extern "C" { +#endif + /** + * Set debug level of messages written on stderr + * @param state state=True - most messages, state=False - only errors level + */ + NK_C_API void NK_set_debug(bool state); + + /** + * Set debug level of messages written on stderr + * @param level (int) 0-lowest verbosity, 5-highest verbosity + */ + NK_C_API void NK_set_debug_level(const int level); + + /** + * Connect to device of given model. Currently library can be connected only to one device at once. + * @param device_model char 'S': Nitrokey Storage, 'P': Nitrokey Pro + * @return 1 if connected, 0 if wrong model or cannot connect + */ + NK_C_API int NK_login(const char *device_model); + + /** + * Connect to first available device, starting checking from Pro 1st to Storage 2nd. + * @return 1 if connected, 0 if wrong model or cannot connect + */ + NK_C_API int NK_login_auto(); + + /** + * Disconnect from the device. + * @return command processing error code + */ + NK_C_API int NK_logout(); + + /** + * Return the debug status string. Debug purposes. + * @return command processing error code + */ + NK_C_API const char * NK_status(); + + /** + * Return the device's serial number string in hex. + * @return string device's serial number in hex + */ + NK_C_API const char * NK_device_serial_number(); + + /** + * Get last command processing status. Useful for commands which returns the results of their own and could not return + * an error code. + * @return previous command processing error code + */ + NK_C_API uint8_t NK_get_last_command_status(); + + /** + * Lock device - cancel any user device unlocking. + * @return command processing error code + */ + NK_C_API int NK_lock_device(); + + /** + * Authenticates the user on USER privilages with user_password and sets user's temporary password on device to user_temporary_password. + * @param user_password char[25](Pro) current user password + * @param user_temporary_password char[25](Pro) user temporary password to be set on device for further communication (authentication command) + * @return command processing error code + */ + NK_C_API int NK_user_authenticate(const char* user_password, const char* user_temporary_password); + + /** + * Authenticates the user on ADMIN privilages with admin_password and sets user's temporary password on device to admin_temporary_password. + * @param admin_password char[25](Pro) current administrator PIN + * @param admin_temporary_password char[25](Pro) admin temporary password to be set on device for further communication (authentication command) + * @return command processing error code + */ + NK_C_API int NK_first_authenticate(const char* admin_password, const char* admin_temporary_password); + + /** + * Execute a factory reset. + * @param admin_password char[20](Pro) current administrator PIN + * @return command processing error code + */ + NK_C_API int NK_factory_reset(const char* admin_password); + + /** + * Generates AES key on the device + * @param admin_password char[20](Pro) current administrator PIN + * @return command processing error code + */ + NK_C_API int NK_build_aes_key(const char* admin_password); + + /** + * Unlock user PIN locked after 3 incorrect codes tries. + * @param admin_password char[20](Pro) current administrator PIN + * @return command processing error code + */ + NK_C_API int NK_unlock_user_password(const char *admin_password, const char *new_user_password); + + /** + * Write general config to the device + * @param numlock set value in range [0-1] to send HOTP code from slot 'numlock' after double pressing numlock + * or outside the range to disable this function + * @param capslock similar to numlock but with capslock + * @param scrolllock similar to numlock but with scrolllock + * @param enable_user_password set True to enable OTP PIN protection (request PIN each OTP code request) + * @param delete_user_password set True to disable OTP PIN protection (request PIN each OTP code request) + * @param admin_temporary_password current admin temporary password + * @return command processing error code + */ + NK_C_API int NK_write_config(uint8_t numlock, uint8_t capslock, uint8_t scrolllock, + bool enable_user_password, bool delete_user_password, const char *admin_temporary_password); + + /** + * Get currently set config - status of function Numlock/Capslock/Scrollock OTP sending and is enabled PIN protected OTP + * @see NK_write_config + * @return uint8_t general_config[5]: + * uint8_t numlock; + uint8_t capslock; + uint8_t scrolllock; + uint8_t enable_user_password; + uint8_t delete_user_password; + + */ + NK_C_API uint8_t* NK_read_config(); + + //OTP + + /** + * Get name of given TOTP slot + * @param slot_number TOTP slot number, slot_number<15 + * @return char[20](Pro) the name of the slot + */ + NK_C_API const char * NK_get_totp_slot_name(uint8_t slot_number); + + /** + * + * @param slot_number HOTP slot number, slot_number<3 + * @return char[20](Pro) the name of the slot + */ + NK_C_API const char * NK_get_hotp_slot_name(uint8_t slot_number); + + /** + * Erase HOTP slot data from the device + * @param slot_number HOTP slot number, slot_number<3 + * @param temporary_password admin temporary password + * @return command processing error code + */ + NK_C_API int NK_erase_hotp_slot(uint8_t slot_number, const char *temporary_password); + + /** + * Erase TOTP slot data from the device + * @param slot_number TOTP slot number, slot_number<15 + * @param temporary_password admin temporary password + * @return command processing error code + */ + NK_C_API int NK_erase_totp_slot(uint8_t slot_number, const char *temporary_password); + + /** + * Write HOTP slot data to the device + * @param slot_number HOTP slot number, slot_number<3 + * @param slot_name char[15](Pro) desired slot name + * @param secret char[20](Pro) 160-bit secret + * @param hotp_counter uint32_t starting value of HOTP counter + * @param use_8_digits should returned codes be 6 (false) or 8 digits (true) + * @param use_enter press ENTER key after sending OTP code using double-pressed scroll/num/capslock + * @param use_tokenID @see token_ID + * @param token_ID @see https://openauthentication.org/token-specs/, 'Class A' section + * @param temporary_password char[25](Pro) admin temporary password + * @return command processing error code + */ + NK_C_API int NK_write_hotp_slot(uint8_t slot_number, const char *slot_name, const char *secret, uint64_t hotp_counter, + bool use_8_digits, bool use_enter, bool use_tokenID, const char *token_ID, + const char *temporary_password); + + /** + * Write TOTP slot data to the device + * @param slot_number TOTP slot number, slot_number<15 + * @param slot_name char[15](Pro) desired slot name + * @param secret char[20](Pro) 160-bit secret + * @param time_window uint16_t time window for this TOTP + * @param use_8_digits should returned codes be 6 (false) or 8 digits (true) + * @param use_enter press ENTER key after sending OTP code using double-pressed scroll/num/capslock + * @param use_tokenID @see token_ID + * @param token_ID @see https://openauthentication.org/token-specs/, 'Class A' section + * @param temporary_password char[20](Pro) admin temporary password + * @return command processing error code + */ + NK_C_API int NK_write_totp_slot(uint8_t slot_number, const char *slot_name, const char *secret, uint16_t time_window, + bool use_8_digits, bool use_enter, bool use_tokenID, const char *token_ID, + const char *temporary_password); + + /** + * Get HOTP code from the device + * @param slot_number HOTP slot number, slot_number<3 + * @return HOTP code + */ + NK_C_API const char * NK_get_hotp_code(uint8_t slot_number); + + /** + * Get HOTP code from the device (PIN protected) + * @param slot_number HOTP slot number, slot_number<3 + * @param user_temporary_password char[25](Pro) user temporary password if PIN protected OTP codes are enabled, + * otherwise should be set to empty string - '' + * @return HOTP code + */ + NK_C_API const char * NK_get_hotp_code_PIN(uint8_t slot_number, const char *user_temporary_password); + + /** + * Get TOTP code from the device + * @param slot_number TOTP slot number, slot_number<15 + * @param challenge TOTP challenge + * @param last_totp_time last time + * @param last_interval last interval + * @return TOTP code + */ + NK_C_API const char * NK_get_totp_code(uint8_t slot_number, uint64_t challenge, uint64_t last_totp_time, + uint8_t last_interval); + + /** + * Get TOTP code from the device (PIN protected) + * @param slot_number TOTP slot number, slot_number<15 + * @param challenge TOTP challenge + * @param last_totp_time last time + * @param last_interval last interval + * @param user_temporary_password char[25](Pro) user temporary password if PIN protected OTP codes are enabled, + * otherwise should be set to empty string - '' + * @return TOTP code + */ + NK_C_API const char * NK_get_totp_code_PIN(uint8_t slot_number, uint64_t challenge, + uint64_t last_totp_time, uint8_t last_interval, + const char *user_temporary_password); + + /** + * Set time on the device (for TOTP requests) + * @param time seconds in unix epoch (from 01.01.1970) + * @return command processing error code + */ + NK_C_API int NK_totp_set_time(uint64_t time); + + NK_C_API int NK_totp_get_time(); + //passwords + /** + * Change administrator PIN + * @param current_PIN char[25](Pro) current PIN + * @param new_PIN char[25](Pro) new PIN + * @return command processing error code + */ + NK_C_API int NK_change_admin_PIN(const char *current_PIN, const char *new_PIN); + + /** + * Change user PIN + * @param current_PIN char[25](Pro) current PIN + * @param new_PIN char[25](Pro) new PIN + * @return command processing error code + */ + NK_C_API int NK_change_user_PIN(const char *current_PIN, const char *new_PIN); + + + /** + * Get retry count of user PIN + * @return user PIN retry count + */ + NK_C_API uint8_t NK_get_user_retry_count(); + + /** + * Get retry count of admin PIN + * @return admin PIN retry count + */ + NK_C_API uint8_t NK_get_admin_retry_count(); + //password safe + + /** + * Enable password safe access + * @param user_pin char[30](Pro) current user PIN + * @return command processing error code + */ + NK_C_API int NK_enable_password_safe(const char *user_pin); + + /** + * Get password safe slots' status + * @return uint8_t[16] slot statuses - each byte represents one slot with 0 (not programmed) and 1 (programmed) + */ + NK_C_API uint8_t * NK_get_password_safe_slot_status(); + + /** + * Get password safe slot name + * @param slot_number password safe slot number, slot_number<16 + * @return slot name + */ + NK_C_API const char *NK_get_password_safe_slot_name(uint8_t slot_number); + + /** + * Get password safe slot login + * @param slot_number password safe slot number, slot_number<16 + * @return login from the PWS slot + */ + NK_C_API const char *NK_get_password_safe_slot_login(uint8_t slot_number); + + /** + * Get the password safe slot password + * @param slot_number password safe slot number, slot_number<16 + * @return password from the PWS slot + */ + NK_C_API const char *NK_get_password_safe_slot_password(uint8_t slot_number); + + /** + * Write password safe data to the slot + * @param slot_number password safe slot number, slot_number<16 + * @param slot_name char[11](Pro) name of the slot + * @param slot_login char[32](Pro) login string + * @param slot_password char[20](Pro) password string + * @return command processing error code + */ + NK_C_API int NK_write_password_safe_slot(uint8_t slot_number, const char *slot_name, + const char *slot_login, const char *slot_password); + + /** + * Erase the password safe slot from the device + * @param slot_number password safe slot number, slot_number<16 + * @return command processing error code + */ + NK_C_API int NK_erase_password_safe_slot(uint8_t slot_number); + + /** + * Check whether AES is supported by the device + * @return 0 for no and 1 for yes + */ + NK_C_API int NK_is_AES_supported(const char *user_password); + + /** + * Get device's major firmware version + * @return 7,8 for Pro and major for Storage + */ + NK_C_API int NK_get_major_firmware_version(); + + + + /** + * This command is typically run to initiate + * communication with the device (altough not required). + * It sets time on device and returns its current status + * - a combination of set_time and get_status_storage commands + * Storage only + * @param seconds_from_epoch date and time expressed in seconds + */ + NK_C_API int NK_send_startup(uint64_t seconds_from_epoch); + + /** + * Unlock encrypted volume. + * Storage only + * @param user_pin user pin 20 characters + * @return command processing error code + */ + NK_C_API int NK_unlock_encrypted_volume(const char* user_pin); + + /** + * Locks encrypted volume + * @return command processing error code + */ + NK_C_API int NK_lock_encrypted_volume(); + + /** + * Unlock hidden volume and lock encrypted volume. + * Requires encrypted volume to be unlocked. + * Storage only + * @param hidden_volume_password 20 characters + * @return command processing error code + */ + NK_C_API int NK_unlock_hidden_volume(const char* hidden_volume_password); + + /** + * Locks hidden volume + * @return command processing error code + */ + NK_C_API int NK_lock_hidden_volume(); + + /** + * Create hidden volume. + * Requires encrypted volume to be unlocked. + * Storage only + * @param slot_nr slot number in range 0-3 + * @param start_percent volume begin expressed in percent of total available storage, int in range 0-99 + * @param end_percent volume end expressed in percent of total available storage, int in range 1-100 + * @param hidden_volume_password 20 characters + * @return command processing error code + */ + NK_C_API int NK_create_hidden_volume(uint8_t slot_nr, uint8_t start_percent, uint8_t end_percent, + const char *hidden_volume_password); + + /** + * Make unencrypted volume read-only. + * Device hides unencrypted volume for a second therefore make sure + * buffers are flushed before running. + * Storage only + * @param user_pin 20 characters + * @return command processing error code + */ + NK_C_API int NK_set_unencrypted_read_only(const char* user_pin); + + /** + * Make unencrypted volume read-write. + * Device hides unencrypted volume for a second therefore make sure + * buffers are flushed before running. + * Storage only + * @param user_pin 20 characters + * @return command processing error code + */ + NK_C_API int NK_set_unencrypted_read_write(const char* user_pin); + + /** + * Exports device's firmware to unencrypted volume. + * Storage only + * @param admin_pin 20 characters + * @return command processing error code + */ + NK_C_API int NK_export_firmware(const char* admin_pin); + + /** + * Clear new SD card notification. It is set after factory reset. + * Storage only + * @param admin_pin 20 characters + * @return command processing error code + */ + NK_C_API int NK_clear_new_sd_card_warning(const char* admin_pin); + + /** + * Fill SD card with random data. + * Should be done on first stick initialization after creating keys. + * Storage only + * @param admin_pin 20 characters + * @return command processing error code + */ + NK_C_API int NK_fill_SD_card_with_random_data(const char* admin_pin); + + /** + * Change update password. + * Update password is used for entering update mode, where firmware + * could be uploaded using dfu-programmer or other means. + * Storage only + * @param current_update_password 20 characters + * @param new_update_password 20 characters + * @return command processing error code + */ + NK_C_API int NK_change_update_password(const char* current_update_password, + const char* new_update_password); + + /** + * Get Storage stick status as string. + * Storage only + * @return string with devices attributes + */ + NK_C_API const char* NK_get_status_storage_as_string(); + + /** + * Get SD card usage attributes as string. + * Usable during hidden volumes creation. + * Storage only + * @return string with SD card usage attributes + */ + NK_C_API const char* NK_get_SD_usage_data_as_string(); + + /** + * Get progress value of current long operation. + * Storage only + * @return int in range 0-100 or -1 if device is not busy + */ + NK_C_API int NK_get_progress_bar_value(); + +#ifdef __cplusplus +} +#endif + +#endif //LIBNITROKEY_NK_C_API_H |