#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);