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nrUE NAS: don't hardcode sequence number, get value from NAS COUNT UL

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as per standard (see 33.501 6.4.3.1, see 24.501 4.4.3)
This commit is contained in:
Cedric Roux
2024-05-27 17:39:35 +02:00
parent ce771a17dc
commit 6c42ea6293
1 changed files with 3 additions and 3 deletions
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openair3/NAS/NR_UE/nr_nas_msg_sim.c
+3 -3
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@@ -680,7 +680,7 @@ static void generateRegistrationComplete(nr_ue_nas_t *nas, as_nas_info_t *initia
sp_msg->header.protocol_discriminator = FGS_MOBILITY_MANAGEMENT_MESSAGE;
sp_msg->header.security_header_type = INTEGRITY_PROTECTED_AND_CIPHERED;
sp_msg->header.message_authentication_code = 0;
sp_msg->header.sequence_number = 1;
sp_msg->header.sequence_number = nas->security.nas_count_ul & 0xff;
length = 7;
sp_msg->plain.mm_msg.registration_complete.protocoldiscriminator = FGS_MOBILITY_MANAGEMENT_MESSAGE;
length += 1;
@@ -762,7 +762,7 @@ static void generateDeregistrationRequest(nr_ue_nas_t *nas, as_nas_info_t *initi
sp_msg->header.protocol_discriminator = FGS_MOBILITY_MANAGEMENT_MESSAGE;
sp_msg->header.security_header_type = INTEGRITY_PROTECTED_AND_CIPHERED;
sp_msg->header.message_authentication_code = 0;
sp_msg->header.sequence_number = 3;
sp_msg->header.sequence_number = nas->security.nas_count_ul & 0xff;
int size = sizeof(fgs_nas_message_security_header_t);
fgs_deregistration_request_ue_originating_msg *dereg_req = &sp_msg->plain.mm_msg.fgs_deregistration_request_ue_originating;
@@ -824,7 +824,7 @@ static void generatePduSessionEstablishRequest(nr_ue_nas_t *nas, as_nas_info_t *
uint8_t mac[4];
nas_msg.header.protocol_discriminator = FGS_MOBILITY_MANAGEMENT_MESSAGE;
nas_msg.header.security_header_type = INTEGRITY_PROTECTED_AND_CIPHERED;
nas_msg.header.sequence_number = 2;
nas_msg.header.sequence_number = nas->security.nas_count_ul & 0xff;
size += 7;