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Cleanup and rename process_gNB_security_key()

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Rename to set_UE_security_key(), as it is for the UE. pass UE context
directly.
This commit is contained in:
Robert Schmidt
2024-10-16 19:13:48 +02:00
parent 4a40efede3
commit 0cea0395e8
1 changed files with 8 additions and 16 deletions
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openair2/RRC/NR/rrc_gNB_NGAP.c
+8 -16
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@@ -95,35 +95,27 @@ static const uint16_t NGAP_INTEGRITY_NIA3_MASK = 0x2000;
static bool rrc_gNB_process_security(const gNB_RRC_INST *rrc, gNB_RRC_UE_t *UE, ngap_security_capabilities_t *security_capabilities_pP);
/*! \fn void process_gNB_security_key (const protocol_ctxt_t* const ctxt_pP, eNB_RRC_UE_t * const ue_context_pP, uint8_t *security_key)
/*!
*\brief save security key.
*\param ctxt_pP Running context.
*\param ue_context_pP UE context.
*\param UE UE context.
*\param security_key_pP The security key received from NGAP.
*/
//------------------------------------------------------------------------------
void process_gNB_security_key (
const protocol_ctxt_t *const ctxt_pP,
rrc_gNB_ue_context_t *const ue_context_pP,
uint8_t *security_key_pP
)
//------------------------------------------------------------------------------
static void set_UE_security_key(gNB_RRC_UE_t *UE, uint8_t *security_key_pP)
{
char ascii_buffer[65];
uint8_t i;
gNB_RRC_UE_t *UE = &ue_context_pP->ue_context;
int i;
/* Saves the security key */
memcpy(UE->kgnb, security_key_pP, SECURITY_KEY_LENGTH);
memset(UE->nh, 0, SECURITY_KEY_LENGTH);
UE->nh_ncc = -1;
char ascii_buffer[65];
for (i = 0; i < 32; i++) {
sprintf(&ascii_buffer[2 * i], "%02X", UE->kgnb[i]);
}
ascii_buffer[2 * 1] = '\0';
ascii_buffer[2 * i] = '\0';
LOG_I(NR_RRC, "[gNB %d][UE %x] Saved security key %s\n", ctxt_pP->module_id, UE->rnti, ascii_buffer);
LOG_I(NR_RRC, "[UE %x] Saved security key %s\n", UE->rnti, ascii_buffer);
}
void nr_rrc_pdcp_config_security(gNB_RRC_UE_t *UE, bool enable_ciphering)
@@ -467,7 +459,7 @@ int rrc_gNB_process_NGAP_INITIAL_CONTEXT_SETUP_REQ(MessageDef *msg_p, instance_t
/* security */
rrc_gNB_process_security(rrc, UE, &req->security_capabilities);
process_gNB_security_key(&ctxt, ue_context_p, req->security_key);
set_UE_security_key(UE, req->security_key);
/* configure only integrity, ciphering comes after receiving SecurityModeComplete */
nr_rrc_pdcp_config_security(UE, false);