unleashed-firmware/lib/nfc/protocols/mf_classic/crypto1.h
gornekich d92b0a82cc
NFC refactoring (#3050)
"A long time ago in a galaxy far, far away...." we started NFC subsystem refactoring.

Starring:

- @gornekich - NFC refactoring project lead, architect, senior developer
- @gsurkov - architect, senior developer
- @RebornedBrain - senior developer

Supporting roles:

- @skotopes, @DrZlo13, @hedger - general architecture advisors, code review
- @Astrrra, @doomwastaken, @Hellitron, @ImagineVagon333 - quality assurance

Special thanks:

@bettse, @pcunning, @nxv, @noproto, @AloneLiberty and everyone else who has been helping us all this time and contributing valuable knowledges, ideas and source code.
2023-10-24 12:08:09 +09:00

45 lines
929 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 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);
uint32_t prng_successor(uint32_t x, uint32_t n);
#ifdef __cplusplus
}
#endif