mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2024-11-15 22:29:52 +08:00
81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/*
|
|
* AES-CMAC from NIST Special Publication 800-38B — Recommendation for block cipher modes of operation: The CMAC mode for authentication.
|
|
*
|
|
* Copyright (C) 2006-2014, Brainspark B.V.
|
|
* Copyright (C) 2014, Anargyros Plemenos
|
|
* Tests added Merkok, 2018
|
|
*
|
|
* This file is part of PolarSSL (http://www.polarssl.org)
|
|
* Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Reference : https://polarssl.org/discussions/generic/authentication-token
|
|
* NIST Special Publication 800-38B — Recommendation for block cipher modes of operation: The CMAC mode for authentication.
|
|
* Tests here:
|
|
* https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/AES_CMAC.pdf
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
#include "aes.h"
|
|
|
|
typedef struct aes_cmac_128_context {
|
|
aes_context aes_key;
|
|
|
|
uint8_t K1[16];
|
|
uint8_t K2[16];
|
|
|
|
uint8_t X[16];
|
|
|
|
uint8_t last[16];
|
|
size_t last_len;
|
|
}
|
|
aes_cmac128_context;
|
|
|
|
/*
|
|
* \brief AES-CMAC-128 context setup
|
|
*
|
|
* \param ctx context to be initialized
|
|
* \param key secret key for AES-128
|
|
*/
|
|
void aes_cmac128_starts(aes_cmac128_context *ctx, const uint8_t K[16]);
|
|
|
|
/*
|
|
* \brief AES-CMAC-128 process message
|
|
*
|
|
* \param ctx context to be initialized
|
|
* \param _msg the given message
|
|
* \param _msg_len the length of message
|
|
*/
|
|
void aes_cmac128_update(aes_cmac128_context *ctx, const uint8_t *_msg, size_t _msg_len);
|
|
|
|
/*
|
|
* \brief AES-CMAC-128 compute T
|
|
*
|
|
* \param ctx context to be initialized
|
|
* \param T the generated MAC which is used to validate the message
|
|
*/
|
|
void aes_cmac128_final(aes_cmac128_context *ctx, uint8_t T[16]);
|
|
|
|
/**
|
|
* \brief Checkup routine
|
|
*
|
|
* \return 0 if successful, or 1 if the test failed
|
|
*/
|
|
int aes_cmac_self_test( int verbose );
|
|
|