lynxis lazus has uploaded this change for review. ( https://gerrit.osmocom.org/c/pysim/+/41581?usp=email ) Change subject: ts_31_102: EF SUCI_Calc_Info: fix decoding empty files ...................................................................... ts_31_102: EF SUCI_Calc_Info: fix decoding empty files When trying to use `edit_binary_decoded` with an empty file, pysim runs into a len(None) exception, because hpkl.to_dict()['hnet_pubkey_list'] returns None. Can reproduced with a CCC Camp 2023 usim and editing the file. Change-Id: Ib8e322e65dd768bfd49e7a5620a2163f12a74ec7 --- M pySim/ts_31_102.py 1 file changed, 4 insertions(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/81/41581/1 diff --git a/pySim/ts_31_102.py b/pySim/ts_31_102.py index 4ee6621..1f46241 100644 --- a/pySim/ts_31_102.py +++ b/pySim/ts_31_102.py @@ -389,7 +389,10 @@ # remaining data holds Home Network Public Key Data Object hpkl = EF_SUCI_Calc_Info.HnetPubkeyList() hpkl.from_tlv(in_bytes[pos:]) - hnet_pubkey_list = self._compact_pubkey_list(hpkl.to_dict()['hnet_pubkey_list']) + + hnet_pubkey_list = [] + if hpkl.to_dict()['hnet_pubkey_list']: + hnet_pubkey_list = self._compact_pubkey_list(hpkl.to_dict()['hnet_pubkey_list']) return { 'prot_scheme_id_list': prot_scheme_id_list, -- To view, visit https://gerrit.osmocom.org/c/pysim/+/41581?usp=email To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings?usp=email Gerrit-MessageType: newchange Gerrit-Project: pysim Gerrit-Branch: master Gerrit-Change-Id: Ib8e322e65dd768bfd49e7a5620a2163f12a74ec7 Gerrit-Change-Number: 41581 Gerrit-PatchSet: 1 Gerrit-Owner: lynxis lazus <lynxis@fe80.eu>