Kinetis Bootloader  2.0.0
Common bootloader for Kinetis devices
cbc_mac.h
1 /*
2  * Copyright (c) 2014, Freescale Semiconductor, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without modification,
6  * are permitted provided that the following conditions are met:
7  *
8  * o Redistributions of source code must retain the above copyright notice, this list
9  * of conditions and the following disclaimer.
10  *
11  * o Redistributions in binary form must reproduce the above copyright notice, this
12  * list of conditions and the following disclaimer in the documentation and/or
13  * other materials provided with the distribution.
14  *
15  * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
16  * contributors may be used to endorse or promote products derived from this
17  * software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
23  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #ifndef _cbc_mac_h
32 #define _cbc_mac_h
33 
34 #include "bootloader_common.h"
35 
38 
40 // Definitions
42 #define CBC_BLOCK_SIZE 16
43 
44 #define CBC_MAC_SUPPORTED (defined(CAU_BASE) || defined(LTC0_BASE))
45 
47 // API
49 
50 #if defined(__cplusplus)
51 extern "C" {
52 #endif
53 
55 
56 
58 void cbc_mac_init(uint8_t *key, uint8_t *iv);
59 
61 void cbc_mac_encrypt(uint8_t *data, uint32_t length, uint8_t *dest);
62 
64 void cbc_mac_decrypt(uint8_t *data, uint32_t length, uint8_t *dest);
65 
67 void cbc_mac_finalize(void);
68 
70 void cbc_mac_get(uint32_t *macDest);
71 
73 
74 #if defined(__cplusplus)
75 }
76 #endif
77 
79 
80 #endif // _cbc_mac_h
81 // EOF
void cbc_mac_decrypt(uint8_t *data, uint32_t length, uint8_t *dest)
Decrypt the current CBCMAC with more data.
Definition: cbc_mac.c:102
void cbc_mac_finalize(void)
Finalizes the CBC MAC encryption process.
Definition: cbc_mac.c:137
void cbc_mac_init(uint8_t *key, uint8_t *iv)
Initializes the CBC MAC algorithm.
Definition: cbc_mac.c:43
void cbc_mac_encrypt(uint8_t *data, uint32_t length, uint8_t *dest)
Encrypt the current CBCMAC with more data.
Definition: cbc_mac.c:70
void cbc_mac_get(uint32_t *macDest)
Writes the current calculated.