unleashed-firmware/applications/external/mifare_nested/lib/crypto1/crypto1.h

39 lines
1.0 KiB
C

#include "../../lib/parity/parity.h"
#include <lib/nfc/protocols/mifare_classic.h>
#include <lib/nfc/protocols/crypto1.h>
#include "stddef.h"
#define LF_POLY_ODD (0x29CE5C)
#define LF_POLY_EVEN (0x870804)
#define SWAPENDIAN(x) \
((x) = ((x) >> 8 & 0xff00ff) | ((x)&0xff00ff) << 8, (x) = (x) >> 16 | (x) << 16)
#define BEBIT(x, n) FURI_BIT(x, (n) ^ 24)
void crypto1_reset(Crypto1* crypto1);
void crypto1_init(Crypto1* crypto1, uint64_t key);
uint32_t crypto1_filter(uint32_t in);
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);
uint32_t prng_successor(uint32_t x, uint32_t n);
void crypto1_decrypt(
Crypto1* crypto,
uint8_t* encrypted_data,
uint16_t encrypted_data_bits,
uint8_t* decrypted_data);
void crypto1_encrypt(
Crypto1* crypto,
uint8_t* keystream,
uint8_t* plain_data,
uint16_t plain_data_bits,
uint8_t* encrypted_data,
uint8_t* encrypted_parity);