SNOW-101573: Support asn1crypto 1.0.x

Author: sfc-gh-stakeda

ocsp_asn1crypto.py

@@ -17,6 +17,7 @@
 from asn1crypto.ocsp import CertId, OCSPRequest, TBSRequest, Requests, \
     Request, OCSPResponse, Version
 from asn1crypto.x509 import Certificate
+from oscrypto import asymmetric
 
 from snowflake.connector.errorcode import (
     ER_INVALID_OCSP_RESPONSE,
@@ -313,7 +314,7 @@ def process_ocsp_response(self, issuer, cert_id, ocsp_response):
             raise RevocationCheckError(msg=debug_msg, errno=op_er.errno)
 
     def verify_signature(self, signature_algorithm, signature, cert, data):
-        pubkey = cert.public_key['public_key'].parsed.dump()
+        pubkey = asymmetric.load_public_key(cert.public_key).unwrap().dump()
         rsakey = RSA.importKey(pubkey)
         signer = PKCS1_v1_5.new(rsakey)
         if signature_algorithm in SnowflakeOCSPAsn1Crypto.SIGNATURE_ALGORITHM_TO_DIGEST_CLASS:

setup.py

@@ -172,7 +172,8 @@ def _get_pyarrow_lib_pattern(self, lib_name):
         'ijson',
         'pyjwt',
         'idna',
-        'asn1crypto<1.0.0',
+        'oscrypto<1.1.0',
+        'asn1crypto<1.1.0',
         'pyasn1>=0.4.0,<0.5.0;python_version<"3.0"',
         'pyasn1-modules>=0.2.0,<0.3.0;python_version<"3.0"',
         'enum34;python_version<"3.4"',