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/**
* @file furi-hal-crypto.h
* Cryptography HAL API
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
/** FuriHalCryptoKey Type */
typedef enum {
FuriHalCryptoKeyTypeMaster, /**< Master key */
FuriHalCryptoKeyTypeSimple, /**< Simple enencrypted key */
FuriHalCryptoKeyTypeEncrypted, /**< Encrypted with Master key */
} FuriHalCryptoKeyType;
/** FuriHalCryptoKey Size in bits */
typedef enum {
FuriHalCryptoKeySize128,
FuriHalCryptoKeySize256,
} FuriHalCryptoKeySize;
/** FuriHalCryptoKey */
typedef struct {
FuriHalCryptoKeyType type;
FuriHalCryptoKeySize size;
uint8_t* data;
} FuriHalCryptoKey;
/** Initialize cryptography layer This includes AES engines, PKA and RNG
*/
void furi_hal_crypto_init();
/** Store key in crypto storage
*
* @param key FuriHalCryptoKey to store. Only Master, Simple or
* Encrypted
* @param slot pinter to int where store slot number will be saved
*
* @return true on success
*/
bool furi_hal_crypto_store_add_key(FuriHalCryptoKey* key, uint8_t* slot);
/** Init AES engine and load key from crypto store
*
* @param slot store slot number
* @param[in] iv pointer to 16 bytes Initialization Vector data
*
* @return true on success
*/
bool furi_hal_crypto_store_load_key(uint8_t slot, const uint8_t* iv);
/** Unload key engine and deinit AES engine
*
* @param slot store slot number
*
* @return true on success
*/
bool furi_hal_crypto_store_unload_key(uint8_t slot);
/** Encrypt data
*
* @param input pointer to input data
* @param output pointer to output data
* @param size input/output buffer size in bytes
*
* @return true on success
*/
bool furi_hal_crypto_encrypt(const uint8_t* input, uint8_t* output, size_t size);
/** Decrypt data
*
* @param input pointer to input data
* @param output pointer to output data
* @param size input/output buffer size in bytes
*
* @return true on success
*/
bool furi_hal_crypto_decrypt(const uint8_t* input, uint8_t* output, size_t size);
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