laforge has uploaded this change for review. ( https://gerrit.osmocom.org/c/pysim/+/35685?usp=email )

Change subject: osmo-smdpp: Constrain selection of CI certificate ......................................................................

osmo-smdpp: Constrain selection of CI certificate

We can only choose a CI certificate which is supported both by the eUICC as well as which has signed our own SM-DP+ certificates.

Change-Id: I0b9130f06d501ca7d484063d56d606cfdd2544f4 --- M osmo-smdpp.py 1 file changed, 18 insertions(+), 1 deletion(-)

git pull ssh://gerrit.osmocom.org:29418/pysim refs/changes/85/35685/1

diff --git a/osmo-smdpp.py b/osmo-smdpp.py index 58b83ff..2992bd7 100755 --- a/osmo-smdpp.py +++ b/osmo-smdpp.py @@ -218,8 +218,13 @@ ci_cert = None for x in pkid_list: ci_cert = self.ci_get_cert_for_pkid(x) - if ci_cert: + # we already support multiple CI cerfiticates but only one set of DPauth + DPpb keys. So we must + # make sure we choose a CI key-id which has issued both the eUICC as well as our own SM-DP side + # certs. + if ci_cert and cert_get_subject_key_id(ci_cert) == self.dp_auth.get_authority_key_identifier().key_identifier: break + else: + ci_cert = None if not ci_cert: raise ApiError('8.8.2', '3.1', 'None of the proposed Public Key Identifiers is supported by the SM-DP+')