Comments (6)
Since the last posting, we've collected more data with Lextm.SharpSnmpLib and other tools to verify if the end bytes would be the same or different.
When referring to the end bytes, we're referring to the bytes in the red box of the screenshot below:
For what tools we used, we used NET-SNMP and pysnmp-lexstudio/snmpclitools-lextudio.
Here are the results:
Library/Tool | AES128 | DES |
---|---|---|
NET-Snmp | 05 00 | 05 00 01 |
pysnmp-lexstudio | 05 00 | 05 00 00 |
Lextm.SharpSnmpLib | 05 00 01 | 05 00 01 |
Upon request, we can provide the rest of the wireshark screenshots of the results.
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Hello @lextm,
I noticed you've added the tag for more info needed, but I am not clear of what information you need at this time.
If you provide me with what you need, I'll do my best to provide you with that information.
Thank you.
from sharpsnmplib.
Hello @lextm,
Could you let us know what information that you need? We could then try to gather that data for you.
Thank you.
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Is there an update on this issue? I am seeing the same issue with my product. I can communicate to my device with the python library, but when I use the C# library, it fails.
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Initial analysis indicates that this is a compatibility issue around AES paddings, so it impacts on certain devices that dislike extra paddings.
We expect to ship a new release in the coming weeks once we restore our CI/CD system back to normal.
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Apologizes, I meant to comment instead of closing with comment.
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Related Issues (20)
- Utilize .NET 6 cryptography improvements HOT 1
- System.InvalidCastException in Lextm.SharpSnmpLib.Messaging.MessageFactory.ParseMessage HOT 3
- SharpSNMP GetRequestMessage.GetResponse working, but SetRequestMessage.GetResponse Times Out HOT 2
- IprivacyProvider doesn't support for UWP background application (netstandard 2.0 )
- Issue with Snmp v3 security HOT 2
- wrong response sequence: expected -594452, received 16182764 HOT 2
- UserRegistry is not thread safe HOT 3
- Rijndael is used for AES on 4.7 HOT 7
- No error on invalid user name (V3 get request) HOT 2
- SharpMessageFactoryInnerException: Invalid message bytes found. Use tracing to analyze the bytes. HOT 1
- HandleException Should copy the StackTrace
- Invalid message bytes found. Use tracing to analyze the bytes.: unsupported data type: 189 HOT 1
- How to fill up Tuple<int, byte[]> length HOT 1
- Idea to support Agents that only support 16-bit Request IDs HOT 3
- Is it right [Obsolete] attribute are set in different overloads between GetRequestMessage and SetRequestMessage ? HOT 1
- Error serializing custom Exceptinon classes with DataContract attribute HOT 1
- Cannot retrive more than 100 rows with SNMP v3 GET BULK request HOT 1
- SNMPv3 - Handle authentication errors HOT 2
- SNMP Exception : data construction exception
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