ccm.h
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1 /*
2  * Copyright (C) 2015 Freie Universit├Ąt Berlin
3  *
4  * This file is subject to the terms and conditions of the GNU Lesser
5  * General Public License v2.1. See the file LICENSE in the top level
6  * directory for more details.
7  */
8 
20 #ifndef CRYPTO_MODES_CCM_H
21 #define CRYPTO_MODES_CCM_H
22 
23 #include "crypto/ciphers.h"
24 
25 #ifdef __cplusplus
26 extern "C" {
27 #endif
28 
33 #define CCM_ERR_INVALID_NONCE_LENGTH (-2)
34 #define CCM_ERR_INVALID_CBC_MAC (-3)
35 #define CCM_ERR_INVALID_DATA_LENGTH (-3)
36 #define CCM_ERR_INVALID_LENGTH_ENCODING (-4)
37 #define CCM_ERR_INVALID_MAC_LENGTH (-5)
38 
59 int cipher_encrypt_ccm(cipher_t* cipher, uint8_t* auth_data,
60  uint32_t auth_data_len, uint8_t mac_length,
61  uint8_t length_encoding, uint8_t* nonce, size_t nonce_len,
62  uint8_t* input, size_t input_len, uint8_t* output);
63 
64 
84 int cipher_decrypt_ccm(cipher_t* cipher, uint8_t* auth_data,
85  uint32_t auth_data_len, uint8_t mac_length,
86  uint8_t length_encoding, uint8_t* nonce, size_t nonce_len,
87  uint8_t* input, size_t input_len, uint8_t* output);
88 
89 #ifdef __cplusplus
90 }
91 #endif
92 
93 #endif /* CRYPTO_MODES_CCM_H */
94 
basic struct for using block ciphers contains the cipher interface and the context ...
Definition: ciphers.h:111
int cipher_encrypt_ccm(cipher_t *cipher, uint8_t *auth_data, uint32_t auth_data_len, uint8_t mac_length, uint8_t length_encoding, uint8_t *nonce, size_t nonce_len, uint8_t *input, size_t input_len, uint8_t *output)
Encrypt and authenticate data of arbitrary length in ccm mode.
int cipher_decrypt_ccm(cipher_t *cipher, uint8_t *auth_data, uint32_t auth_data_len, uint8_t mac_length, uint8_t length_encoding, uint8_t *nonce, size_t nonce_len, uint8_t *input, size_t input_len, uint8_t *output)
Decrypt data of arbitrary length in ccm mode.
Headers for the packet encryption class.