diff options
| author | Vinicius Costa Gomes <vinicius.gomes@intel.com> | 2016-10-03 11:09:14 -0300 |
|---|---|---|
| committer | Jukka Rissanen <jukka.rissanen@linux.intel.com> | 2016-12-02 12:40:50 +0200 |
| commit | ea28e4fccb54f453a946713e4573db81d4b71e98 (patch) | |
| tree | d76eb99db221a5524664d6f47ecd9e41d7379285 /lib | |
| parent | dc45748d508a81e1271831717223d143521bc9de (diff) | |
iot/zoap: Add helper for generating tokens
Most applications will want to use randomly generated tokens, add a
helper for that.
Change-Id: If2a6b1d96596024afd2d2ce8e3632900adfe9c0f
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/iot/zoap/zoap.c | 10 | ||||
| -rw-r--r-- | lib/iot/zoap/zoap.h | 6 |
2 files changed, 16 insertions, 0 deletions
diff --git a/lib/iot/zoap/zoap.c b/lib/iot/zoap/zoap.c index 59f6a32ec..430d50e0a 100644 --- a/lib/iot/zoap/zoap.c +++ b/lib/iot/zoap/zoap.c @@ -1275,3 +1275,13 @@ size_t zoap_next_block(struct zoap_block_context *ctx) return ctx->current; } + +uint8_t *zoap_next_token(void) +{ + static uint32_t rand[2]; + + rand[0] = sys_rand32_get(); + rand[1] = sys_rand32_get(); + + return (uint8_t *) rand; +} diff --git a/lib/iot/zoap/zoap.h b/lib/iot/zoap/zoap.h index 6c1ca2301..451c61428 100644 --- a/lib/iot/zoap/zoap.h +++ b/lib/iot/zoap/zoap.h @@ -543,4 +543,10 @@ static inline uint16_t zoap_next_id(void) return ++message_id; } +/** + * Returns a randomly generated array of 8 bytes, that can be used as a + * message's token. + */ +uint8_t *zoap_next_token(void); + #endif /* __ZOAP_H__ */ |