unleashed-firmware/lib/nfc/helpers/crypto1.h
Astra 27e61eb808
Move crypto1 to helpers, add it to the public API (#3567)
* Move crypto1 to helpers, add it to the public API
* F18 API version bump

Co-authored-by: あく <alleteam@gmail.com>
2024-04-07 23:47:48 +09:00

46 lines
953 B
C

#pragma once
#include <toolbox/bit_buffer.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uint32_t odd;
uint32_t even;
} Crypto1;
Crypto1* crypto1_alloc(void);
void crypto1_free(Crypto1* instance);
void crypto1_reset(Crypto1* crypto1);
void crypto1_init(Crypto1* crypto1, uint64_t key);
uint8_t crypto1_bit(Crypto1* crypto1, uint8_t in, int is_encrypted);
uint8_t crypto1_byte(Crypto1* crypto1, uint8_t in, int is_encrypted);
uint32_t crypto1_word(Crypto1* crypto1, uint32_t in, int is_encrypted);
void crypto1_decrypt(Crypto1* crypto, const BitBuffer* buff, BitBuffer* out);
void crypto1_encrypt(Crypto1* crypto, uint8_t* keystream, const BitBuffer* buff, BitBuffer* out);
void crypto1_encrypt_reader_nonce(
Crypto1* crypto,
uint64_t key,
uint32_t cuid,
uint8_t* nt,
uint8_t* nr,
BitBuffer* out,
bool is_nested);
uint32_t prng_successor(uint32_t x, uint32_t n);
#ifdef __cplusplus
}
#endif