mirror of
https://github.com/Next-Flip/Momentum-Firmware.git
synced 2026-05-10 05:59:08 -07:00
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
#include "../../types/crypto_settings.h"
|
|
#include "common_types.h"
|
|
|
|
/**
|
|
* @brief Checks whether key slot can be used for encryption purposes
|
|
* @param key_slot key slot index
|
|
* @return \c true if key slot can be used for encryption; \c false otherwise
|
|
*/
|
|
bool totp_crypto_check_key_slot(uint8_t key_slot);
|
|
|
|
/**
|
|
* @brief Encrypts plain data using built-in certificate and given initialization vector (IV)
|
|
* @param plain_data plain data to be encrypted
|
|
* @param plain_data_length plain data length
|
|
* @param crypto_settings crypto settings
|
|
* @param[out] encrypted_data_length encrypted data length
|
|
* @return Encrypted data
|
|
*/
|
|
uint8_t* totp_crypto_encrypt(
|
|
const uint8_t* plain_data,
|
|
const size_t plain_data_length,
|
|
const CryptoSettings* crypto_settings,
|
|
size_t* encrypted_data_length);
|
|
|
|
/**
|
|
* @brief Decrypts encrypted data using built-in certificate and given initialization vector (IV)
|
|
* @param encrypted_data encrypted data to be decrypted
|
|
* @param encrypted_data_length encrypted data length
|
|
* @param crypto_settings crypto settings
|
|
* @param[out] decrypted_data_length decrypted data length
|
|
* @return Decrypted data
|
|
*/
|
|
uint8_t* totp_crypto_decrypt(
|
|
const uint8_t* encrypted_data,
|
|
const size_t encrypted_data_length,
|
|
const CryptoSettings* crypto_settings,
|
|
size_t* decrypted_data_length);
|
|
|
|
/**
|
|
* @brief Seed initialization vector (IV) using user's PIN
|
|
* @param crypto_settings crypto settings
|
|
* @param pin user's PIN
|
|
* @param pin_length user's PIN length
|
|
* @return Results of seeding IV
|
|
*/
|
|
CryptoSeedIVResult
|
|
totp_crypto_seed_iv(CryptoSettings* crypto_settings, const uint8_t* pin, uint8_t pin_length);
|
|
|
|
/**
|
|
* @brief Verifies whether cryptographic information (certificate + IV) is valid and can be used for encryption and decryption
|
|
* @param crypto_settings crypto settings
|
|
* @return \c true if cryptographic information is valid; \c false otherwise
|
|
*/
|
|
bool totp_crypto_verify_key(const CryptoSettings* crypto_settings);
|