[Python] ciphering services not available error on pysnmp v3 get using pysnmp7 - pycryptodome...

Hi any pointers here would be highly appreciated.

Referring Ciphering services not available error on pysnmp v3 walk did not help

Unable to get snmp usng pysnmp7 - cryptography and pycryptodome installed Getting Error Indication: Ciphering services

$# pip show pysnmp Name: pysnmp Version: 7.1.16

$:/etc/zabbix# pip show cryptography Name: cryptography Version: 42.0.5

$# pip show pycryptodome Name: pycryptodome Version: 3.21.0

import asyncio
from pysnmp.hlapi.v3arch.asyncio import *


async def main():
iterator = get_cmd(
SnmpEngine(),
UsmUserData(
'admin',
authKey='privateprivate',
privKey='privateprivate',
authProtocol=usmHMACMD5AuthProtocol,
privProtocol=usmDESPrivProtocol
),
await UdpTransportTarget.create(("10.20.7.108", 161)),
ContextData(),
ObjectType(ObjectIdentity('1.3.6.1.4.1.248.11.22.1.8.10.2.0')),
)
errorIndication, errorStatus, errorIndex, varBinds = await iterator
print(f"Error Indication: {errorIndication}, Error Status: {errorStatus}, Error Index: {errorIndex}")
print(f"VarBinds: {varBinds}")

if __name__ == '__main__':
try:
asyncio.run(main())
except RuntimeError:
pass # to avoid RuntimeError: Event loop is closed
print('out')


Output is

Error Indication: Ciphering services not available, Error Status: 0, Error Index: 0
VarBinds: ()
out

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