9e62f08e4d
* U2F implementation prototype * U2F data encryption and store, user confirmation request * remove debug prints * fix notification bug in chrome * split u2f_alloc into u2f_init and u2f_alloc * typo fix, furi-hal-trng -> furi-hal-random * rand/srand redefinition * SubGhz: a little bit of Dante. * u2f_data naming fix Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/**
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* @file furi-hal-crypto.h
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* Cryptography HAL API
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*/
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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/** FuriHalCryptoKey Type */
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typedef enum {
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FuriHalCryptoKeyTypeMaster, /**< Master key */
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FuriHalCryptoKeyTypeSimple, /**< Simple enencrypted key */
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FuriHalCryptoKeyTypeEncrypted, /**< Encrypted with Master key */
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} FuriHalCryptoKeyType;
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/** FuriHalCryptoKey Size in bits */
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typedef enum {
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FuriHalCryptoKeySize128,
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FuriHalCryptoKeySize256,
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} FuriHalCryptoKeySize;
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/** FuriHalCryptoKey */
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typedef struct {
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FuriHalCryptoKeyType type;
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FuriHalCryptoKeySize size;
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uint8_t* data;
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} FuriHalCryptoKey;
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/** Initialize cryptography layer This includes AES engines, PKA and RNG
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*/
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void furi_hal_crypto_init();
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bool furi_hal_crypto_verify_enclave(uint8_t* keys_nb, uint8_t* valid_keys_nb);
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bool furi_hal_crypto_verify_key(uint8_t key_slot);
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/** Store key in crypto storage
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*
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* @param key FuriHalCryptoKey to store. Only Master, Simple or
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* Encrypted
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* @param slot pinter to int where store slot number will be saved
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*
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* @return true on success
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*/
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bool furi_hal_crypto_store_add_key(FuriHalCryptoKey* key, uint8_t* slot);
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/** Init AES engine and load key from crypto store
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*
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* @param slot store slot number
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* @param[in] iv pointer to 16 bytes Initialization Vector data
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*
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* @return true on success
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*/
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bool furi_hal_crypto_store_load_key(uint8_t slot, const uint8_t* iv);
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/** Unload key engine and deinit AES engine
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*
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* @param slot store slot number
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*
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* @return true on success
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*/
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bool furi_hal_crypto_store_unload_key(uint8_t slot);
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/** Encrypt data
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*
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* @param input pointer to input data
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* @param output pointer to output data
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* @param size input/output buffer size in bytes
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*
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* @return true on success
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*/
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bool furi_hal_crypto_encrypt(const uint8_t* input, uint8_t* output, size_t size);
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/** Decrypt data
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*
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* @param input pointer to input data
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* @param output pointer to output data
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* @param size input/output buffer size in bytes
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*
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* @return true on success
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*/
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bool furi_hal_crypto_decrypt(const uint8_t* input, uint8_t* output, size_t size);
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