diff options
Diffstat (limited to 'src/libmsc/msc_a.c')
| -rw-r--r-- | src/libmsc/msc_a.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c index 5d4468612..d7e97cd71 100644 --- a/src/libmsc/msc_a.c +++ b/src/libmsc/msc_a.c @@ -116,6 +116,18 @@ bool msc_a_is_ciphering_to_be_attempted(const struct msc_a *msc_a) return net->a5_encryption_mask > 0x1; } +bool msc_a_is_ciphering_required(const struct msc_a *msc_a) +{ + struct gsm_network *net = msc_a_net(msc_a); + bool is_utran = (msc_a->c.ran->type == OSMO_RAT_UTRAN_IU); + if (is_utran) + return net->uea_encryption_mask + && ((net->uea_encryption_mask & (1 << OSMO_UTRAN_UEA0)) == 0); + else + return net->a5_encryption_mask + && ((net->a5_encryption_mask & 0x1) == 0); +} + static void update_counters(struct osmo_fsm_inst *fi, bool conn_accepted) { struct msc_a *msc_a = fi->priv; |