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from asyncua.crypto import uacrypto
from uuid import uuid4
from cryptography.hazmat.primitives import serialization
import sys
from pprint import pprint as pp
sys.path.append('..')
class CertificateHandler:
def __init__(self):
self._trusted_certificates = {}
async def trust_certificate(self, certificate_path: str, format: str = None):
certificate = await uacrypto.load_certificate(certificate_path, format)
self._trusted_certificates[certificate_path] = uacrypto.der_from_x509(certificate)
def __contains__(self, certificate):
return any(certificate == prospective_cert
for prospective_cert
in self._trusted_certificates.values())
FreeOpcUa /
opcua-asyncio
