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srsLTE
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gnb,rrc: fix key derivation in reestablishment

This commit is contained in:
Andre Puschmann 2022-01-12 15:30:03 +01:00
parent ee8d334aaa
commit 33378c32c0
1 changed files with 2 additions and 2 deletions
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4
srsgnb/src/stack/rrc/rrc_nr_security_context.cc
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@ -188,11 +188,11 @@ void nr_security_context::generate_as_keys()
void nr_security_context::regenerate_keys_handover(uint32_t new_pci, uint32_t new_dl_arfcn)
{
logger.info("Regenerating KgNB with PCI=0x%02x, DL-ARFCN=%d", new_pci, new_dl_arfcn);
logger.info("Regenerating KgNB with PCI=0x%02x, SSB-ARFCN=%d", new_pci, new_dl_arfcn);
logger.info(k_gnb, 32, "Old K_gNB (k_gnb)");
// Generate K_enb*
uint8_t k_gnb_star[32];
srsran::security_generate_k_enb_star(k_gnb, new_pci, new_dl_arfcn, k_gnb_star);
srsran::security_generate_k_gnb_star(k_gnb, new_pci, new_dl_arfcn, k_gnb_star);
// K_enb becomes K_enb*
memcpy(k_gnb, k_gnb_star, 32);