mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-11 01:55:38 +08:00
36 lines
1.6 KiB
C
36 lines
1.6 KiB
C
//-----------------------------------------------------------------------------
|
|
// Copyright (C) 2016, 2017 by piwi
|
|
//
|
|
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
|
|
// at your option, any later version. See the LICENSE.txt file for the text of
|
|
// the license.
|
|
//-----------------------------------------------------------------------------
|
|
// Implements a card only attack based on crypto text (encrypted nonces
|
|
// received during a nested authentication) only. Unlike other card only
|
|
// attacks this doesn't rely on implementation errors but only on the
|
|
// inherent weaknesses of the crypto1 cypher. Described in
|
|
// Carlo Meijer, Roel Verdult, "Ciphertext-only Cryptanalysis on Hardened
|
|
// Mifare Classic Cards" in Proceedings of the 22nd ACM SIGSAC Conference on
|
|
// Computer and Communications Security, 2015
|
|
//-----------------------------------------------------------------------------
|
|
|
|
#ifndef HARDNESTED_BRUTEFORCE_H__
|
|
#define HARDNESTED_BRUTEFORCE_H__
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "cmdhfmfhard.h"
|
|
|
|
typedef struct {
|
|
uint32_t *states[2];
|
|
uint32_t len[2];
|
|
void *next;
|
|
} statelist_t;
|
|
|
|
void prepare_bf_test_nonces(noncelist_t *nonces, uint8_t best_first_byte);
|
|
bool brute_force_bs(float *bf_rate, statelist_t *candidates, uint32_t cuid, uint32_t num_acquired_nonces, uint64_t maximum_states, noncelist_t *nonces, uint8_t *best_first_bytes, uint64_t *found_key);
|
|
float brute_force_benchmark(void);
|
|
uint8_t trailing_zeros(uint8_t byte);
|
|
bool verify_key(uint32_t cuid, noncelist_t *nonces, uint8_t *best_first_bytes, uint32_t odd, uint32_t even);
|
|
|
|
#endif
|