diff options
| author | Neels Hofmeyr <neels@hofmeyr.de> | 2021-06-11 02:42:11 +0200 |
|---|---|---|
| committer | laforge <laforge@osmocom.org> | 2021-06-21 16:26:08 +0000 |
| commit | 5e31cfc63da185426c88b9b51e665c0464773fb9 (patch) | |
| tree | 63e8bf7c84790cbc32810c722db5369f84f12c2f /bsc | |
| parent | 727493405758ccdee2f665a2ad036d75836d0748 (diff) | |
bsc: f_cipher_mode(): verify enc alg in Cipher Mode Complete msg
Related: SYS#5324
Change-Id: I88b386c55e23cc180131e95a005d08cbc3ec102b
Diffstat (limited to 'bsc')
| -rw-r--r-- | bsc/MSC_ConnectionHandler.ttcn | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/bsc/MSC_ConnectionHandler.ttcn b/bsc/MSC_ConnectionHandler.ttcn index 0d46bc6d..12712db5 100644 --- a/bsc/MSC_ConnectionHandler.ttcn +++ b/bsc/MSC_ConnectionHandler.ttcn @@ -758,11 +758,13 @@ runs on MSC_ConnHdlr { repeat; } [] BSSAP.receive(tr_BSSMAP_CipherModeCompl) -> value bssap { - // bssap.bssmap.cipherModeComplete.chosenEncryptionAlgorithm.algoritmhIdentifier if (exp_fail == true) { Misc_Helpers.f_shutdown(__BFILE__, __LINE__, fail, "Unexpected Cipher Mode Complete"); } else { setverdict(pass); + if (oct2int(bssap.pdu.bssmap.cipherModeComplete.chosenEncryptionAlgorithm.algorithmIdentifier) != enum2int(alg_rsl)) { + setverdict(fail, "Unexpected Encryption Algorithm ID in BSSMAP Cipher Mode Complete"); + } } } [] BSSAP.receive(tr_BSSMAP_CipherModeRej) -> value bssap { |