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cmac.h
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1 /**************************************************************************
2 Copyright (C) 2009 Lander Casado, Philippas Tsigas
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4 All rights reserved.
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6 Permission is hereby granted, free of charge, to any person obtaining
7 a copy of this software and associated documentation files
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14 Redistributions of source code must retain the above copyright notice,
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35
36 #ifndef _CMAC_H_
37 #define _CMAC_H_
38
39 #include "aes.h"
40
41 extern "C"
42 {
43 #define AES_CMAC_KEY_LENGTH 16
44 #define AES_CMAC_DIGEST_LENGTH 16
45
46 typedef struct _AES_CMAC_CTX
47 {
48 lora_aes_context rijndael;
49 uint8_t X[16];
50 uint8_t M_last[16];
51 uint32_t M_n;
52 } AES_CMAC_CTX;
53
54 //#include <sys/cdefs.h>
55
56 //__BEGIN_DECLS
57 void AES_CMAC_Init(AES_CMAC_CTX *ctx);
58 void AES_CMAC_SetKey(AES_CMAC_CTX *ctx, const uint8_t key[AES_CMAC_KEY_LENGTH]);
59 void AES_CMAC_Update(AES_CMAC_CTX *ctx, const uint8_t *data, uint32_t len);
60 // __attribute__((__bounded__(__string__,2,3)));
61 void AES_CMAC_Final(uint8_t digest[AES_CMAC_DIGEST_LENGTH], AES_CMAC_CTX *ctx);
62 // __attribute__((__bounded__(__minbytes__,1,AES_CMAC_DIGEST_LENGTH)));
63 //__END_DECLS
64 };
65 #endif /* _CMAC_H_ */
AES_CMAC_DIGEST_LENGTH
#define AES_CMAC_DIGEST_LENGTH
Definition: cmac.h:44
_AES_CMAC_CTX::rijndael
lora_aes_context rijndael
Definition: cmac.h:48
AES_CMAC_SetKey
void AES_CMAC_SetKey(AES_CMAC_CTX *ctx, const uint8_t key[AES_CMAC_KEY_LENGTH])
Definition: cmac.cpp:72
AES_CMAC_Final
void AES_CMAC_Final(uint8_t digest[AES_CMAC_DIGEST_LENGTH], AES_CMAC_CTX *ctx)
Definition: cmac.cpp:114
aes.h
AES_CMAC_KEY_LENGTH
#define AES_CMAC_KEY_LENGTH
Definition: cmac.h:43
AES_CMAC_Update
void AES_CMAC_Update(AES_CMAC_CTX *ctx, const uint8_t *data, uint32_t len)
Definition: cmac.cpp:78
_AES_CMAC_CTX::X
uint8_t X[16]
Definition: cmac.h:49
_AES_CMAC_CTX::M_n
uint32_t M_n
Definition: cmac.h:51
lora_aes_context
Definition: aes.h:69
_AES_CMAC_CTX
Definition: cmac.h:47
AES_CMAC_CTX
struct _AES_CMAC_CTX AES_CMAC_CTX
_AES_CMAC_CTX::M_last
uint8_t M_last[16]
Definition: cmac.h:50
AES_CMAC_Init
void AES_CMAC_Init(AES_CMAC_CTX *ctx)
Definition: cmac.cpp:65