diff options
| author | Neels Hofmeyr <neels@hofmeyr.de> | 2017-08-26 22:38:08 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2017-08-29 12:46:46 +0000 |
| commit | 95500c88b47c228b00ec89b8ffff405ce630c83f (patch) | |
| tree | a1ed402c5821e493fc38b246f93f23e53763270d | |
| parent | e6e6446edf24c19c94d0774f81dc78ea0bc52f79 (diff) | |
cosmetic: umts aka: tweak comments for sqn and ind
Clearly indicate that 'sqn' is an in *and* out-parameter.
Clarify the effect of 'ind'.
Change-Id: Ia40cd4ddf35f4fbe895b45b8ea59378f5ce9eb1f
| -rw-r--r-- | include/osmocom/crypt/auth.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/osmocom/crypt/auth.h b/include/osmocom/crypt/auth.h index 2f88a3a4..059e734c 100644 --- a/include/osmocom/crypt/auth.h +++ b/include/osmocom/crypt/auth.h @@ -35,10 +35,10 @@ struct osmo_sub_auth_data { uint8_t opc[16]; /*!< operator invariant value */ uint8_t k[16]; /*!< secret key of the subscriber */ uint8_t amf[2]; - uint64_t sqn; /*!< sequence number */ + uint64_t sqn; /*!< sequence number (in: prev sqn; out: used sqn) */ int opc_is_op; /*!< is the OPC field OPC (0) or OP (1) ? */ unsigned int ind_bitlen; /*!< nr of bits not in SEQ, only SQN */ - unsigned int ind; /*!< SQN slot, i.e. (SEQ << ind_bitlen) + ind */ + unsigned int ind; /*!< which IND slot to use an SQN from */ } umts; struct { uint8_t ki[16]; /*!< secret key */ |