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TSCH: add brief API explanations (tsch-security.h)

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This commit is contained in:
Yasuyuki Tanaka 2016-12-15 17:05:30 +01:00
parent 9ef28c7eae
commit 38ff8e5283
1 changed files with 15 additions and 1 deletions
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16
core/net/mac/tsch/tsch-security.h
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@ -118,10 +118,24 @@
typedef uint8_t aes_key[16]; typedef uint8_t aes_key[16];
/********** Functions *********/ /********** Functions *********/
/**
* \brief Return MIC length
* \return The length of MIC (>= 0)
*/
int tsch_security_mic_len(const frame802154_t *frame); int tsch_security_mic_len(const frame802154_t *frame);
/**
* \brief Protect a frame with encryption and/or MIC
* \return The length of a generated MIC (>= 0)
*/
int tsch_security_secure_frame(uint8_t *hdr, uint8_t *outbuf, int tsch_security_secure_frame(uint8_t *hdr, uint8_t *outbuf,
int hdrlen, int datalen, struct asn_t *asn); int hdrlen, int datalen, struct asn_t *asn);
/**
* \brief Parse and check a frame protected with encryption and/or MIC
* \retval 0 On error or security check failure (insecure frame)
* \retval 1 On success or no need for security check (good frame)
*/
int tsch_security_parse_frame(const uint8_t *hdr, int hdrlen, int datalen, int tsch_security_parse_frame(const uint8_t *hdr, int hdrlen, int datalen,
const frame802154_t *frame, const linkaddr_t *sender, struct asn_t *asn); const frame802154_t *frame, const linkaddr_t *sender, struct asn_t *asn);