Files
Momentum-Firmware/applications/external/esubghz_chat/crypto_wrapper.h
T
2023-08-11 22:48:35 +02:00

39 lines
1000 B
C

#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#define RUN_ID_BYTES (sizeof(uint64_t))
#define COUNTER_BYTES (sizeof(uint32_t))
#define KEY_BITS 256
#define IV_BYTES 12
#define TAG_BYTES 16
#define MSG_OVERHEAD (RUN_ID_BYTES + COUNTER_BYTES + IV_BYTES + TAG_BYTES)
typedef struct ESugGhzChatCryptoCtx ESubGhzChatCryptoCtx;
void crypto_init(void);
/* Function to clear sensitive memory. */
void crypto_explicit_bzero(void *s, size_t len);
ESubGhzChatCryptoCtx *crypto_ctx_alloc(void);
void crypto_ctx_free(ESubGhzChatCryptoCtx *ctx);
void crypto_ctx_clear(ESubGhzChatCryptoCtx *ctx);
bool crypto_ctx_set_key(ESubGhzChatCryptoCtx *ctx, const uint8_t *key,
FuriString *flipper_name, uint32_t tick);
void crypto_ctx_get_key(ESubGhzChatCryptoCtx *ctx, uint8_t *key);
bool crypto_ctx_decrypt(ESubGhzChatCryptoCtx *ctx, uint8_t *in, size_t in_len,
uint8_t *out);
bool crypto_ctx_encrypt(ESubGhzChatCryptoCtx *ctx, uint8_t *in, size_t in_len,
uint8_t *out);
#ifdef __cplusplus
}
#endif