deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

llsec: Added AEAD mode to CCM*

Browse source
This commit is contained in:
Konrad Krentz 2015-07-15 06:11:42 -07:00 • committed by kkrentz
parent c656a4d1c5
commit 0a6b1cb646
7 changed files with 116 additions and 108 deletions
Download patch file Download diff file Expand all files Collapse all files

37
core/lib/ccm-star.h
View file

@ -54,34 +54,27 @@
* Structure of CCM* drivers.
*/
struct ccm_star_driver {
/**
* \brief Generates a MIC over the data supplied.
* \param nonce The nonce to use. CCM_STAR_NONCE_LENGTH bytes long.
* \param m Message to authenticate and encrypt
* \param a Additional authenticated data
* \param result The generated MIC will be put here
* \param mic_len The size of the MIC to be generated. <= 16.
*/
void (* mic)(const uint8_t* nonce,
const uint8_t* m, uint8_t m_len,
const uint8_t* a, uint8_t a_len,
uint8_t *result,
uint8_t mic_len);
/**
* \brief XORs m with the key stream.
* \param nonce The nonce to use. CCM_STAR_NONCE_LENGTH bytes long.
* \param m Message to authenticate and encrypt
*/
void (* ctr)(const uint8_t* nonce,
uint8_t* m, uint8_t m_len);
/**
* \brief Sets the key in use. Default implementation calls AES_128.set_key().
* \param key The key to use.
*/
void (* set_key)(const uint8_t* key);
/**
* \brief Combines authentication and encryption.
* \param nonce The nonce to use. CCM_STAR_NONCE_LENGTH bytes long.
* \param m message to encrypt or decrypt
* \param a Additional authenticated data
* \param result The generated MIC will be put here
* \param mic_len The size of the MIC to be generated. <= 16.
* \param forward != 0 if used in forward direction.
*/
void (* aead)(const uint8_t* nonce,
uint8_t* m, uint8_t m_len,
const uint8_t* a, uint8_t a_len,
uint8_t *result, uint8_t mic_len,
int forward);
};
extern const struct ccm_star_driver CCM_STAR;