modified: scapy/contrib/automotive/uds.py

added descriptions for NRC 0x50-0x5D modified: test/contrib/automotive/uds.uts added test for NRC description 0x50
secdev · Sep 10, 2024 · 906e636 · 906e636
1 parent 32c79ba
commit 906e636
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diff --git a/scapy/contrib/automotive/uds.py b/scapy/contrib/automotive/uds.py
@@ -1454,6 +1454,20 @@ class UDS_NR(Packet):
         0x36: 'exceedNumberOfAttempts',
         0x37: 'requiredTimeDelayNotExpired',
         0x3A: 'secureDataVerificationFailed',
+        0x50: 'certificateVerificationFailedInvalidTimePeriod',
+        0x51: 'certificateVerificationFailedInvalidSignature',
+        0x52: 'certificateVerificationFailedInvalidChainOfTrust',
+        0x53: 'certificateVerificationFailedInvalidType',
+        0x54: 'certificateVerificationFailedInvalidFormat',
+        0x55: 'certificateVerificationFailedInvalidContent',
+        0x56: 'certificateVerificationFailedInvalidScope',
+        0x57: 'certificateVerificationFailedInvalidCertificateRevoked',
+        0x58: 'ownershipVerificationFailed',
+        0x59: 'challengeCalculationFailed',
+        0x5a: 'settingAccessRightsFailed',
+        0x5b: 'sessionKeyCreationOrDerivationFailed',
+        0x5c: 'configurationDataUsageFailed',
+        0x5d: 'deAuthenticationFailed',
         0x70: 'uploadDownloadNotAccepted',
         0x71: 'transferDataSuspended',
         0x72: 'generalProgrammingFailure',

diff --git a/test/contrib/automotive/uds.uts b/test/contrib/automotive/uds.uts
@@ -1423,3 +1423,10 @@ nrc = UDS(b'\x7f\x22\x33')
 assert nrc.service == 0x7f
 assert nrc.requestServiceId == 0x22
 assert nrc.negativeResponseCode == 0x33
+
+
+= Check UDS get negative Response Description
+
+nrcDescription = UDS_NR.negativeResponseCodes.get(0x50)
+assert nrcDescription == 'Certificate verification failed - Invalid Time Period'
+