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Added more default backends #18614

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Merged
LarryOsterman merged 1 commit into from
May 10, 2021
Merged

Added more default backends #18614

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7 changes: 4 additions & 3 deletions sdk/attestation/azure-security-attestation/tests/test_attestation_token.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
from typing import Dict
import unittest
from cryptography import x509
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import hashes, serialization
from cryptography.hazmat.primitives.asymmetric.dsa import DSAPublicKey
from devtools_testutils import AzureTestCase, ResourceGroupPreparer, PowerShellPreparer
Expand Down Expand Up @@ -116,21 +117,21 @@ def callback(token, signer):
# Helper functions to create keys and certificates wrapping those keys.
@staticmethod
def _create_ecds_key(): #type() -> EllipticCurvePrivateKey
return ec.generate_private_key(ec.SECP256R1()).private_bytes(
return ec.generate_private_key(ec.SECP256R1(), backend=default_backend()).private_bytes(
serialization.Encoding.DER,
serialization.PrivateFormat.PKCS8,
serialization.NoEncryption())

@staticmethod
def _create_rsa_key(): #type() -> EllipticCurvePrivateKey
return rsa.generate_private_key(65537, 2048).private_bytes(
return rsa.generate_private_key(65537, 2048, backend=default_backend()).private_bytes(
serialization.Encoding.DER,
serialization.PrivateFormat.PKCS8,
serialization.NoEncryption())

@staticmethod
def _create_x509_certificate(key_der, subject_name): #type(Union[EllipticCurvePrivateKey,RSAPrivateKey], str) -> Certificate
signing_key = serialization.load_der_private_key(key_der, password=None)
signing_key = serialization.load_der_private_key(key_der, password=None, backend=default_backend())
builder = CertificateBuilder()
builder = builder.subject_name(x509.Name([
x509.NameAttribute(NameOID.COMMON_NAME, subject_name),
Expand Down
7 changes: 4 additions & 3 deletions sdk/attestation/azure-security-attestation/tests/test_policy_getset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@
import functools
import cryptography
import cryptography.x509
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import serialization
import base64
import pytest
Expand Down Expand Up @@ -83,7 +84,7 @@ def test_aad_set_policy_sgx_unsecured(self, attestation_aad_url):
assert policy_get_response.value == attestation_policy

expected_policy = AttestationToken(body=StoredAttestationPolicy(attestation_policy=str(attestation_policy).encode('utf-8')))
hasher = hashes.Hash(hashes.SHA256())
hasher = hashes.Hash(hashes.SHA256(), backend=default_backend())
hasher.update(expected_policy.serialize().encode('utf-8'))
expected_hash = hasher.finalize()

Expand All @@ -106,7 +107,7 @@ def test_aad_set_policy_sgx_secured(self, attestation_aad_url, attestation_polic
assert policy_get_response.value == attestation_policy

expected_policy = AttestationToken(body=StoredAttestationPolicy(attestation_policy=str(attestation_policy).encode('ascii')), signer=AttestationSigningKey(key, signing_certificate))
hasher = hashes.Hash(hashes.SHA256())
hasher = hashes.Hash(hashes.SHA256(), backend=default_backend())
hasher.update(expected_policy.serialize().encode('utf-8'))
expected_hash = hasher.finalize()

Expand All @@ -129,7 +130,7 @@ def test_isolated_set_policy_sgx_secured(self, attestation_isolated_url, attesta
assert policy_get_response.value == attestation_policy

expected_policy = AttestationToken(body=StoredAttestationPolicy(attestation_policy=str(attestation_policy).encode('ascii')), signer=AttestationSigningKey(key, decoded_cert))
hasher = hashes.Hash(hashes.SHA256())
hasher = hashes.Hash(hashes.SHA256(), backend=default_backend())
hasher.update(expected_policy.serialize().encode('utf-8'))
expected_hash = hasher.finalize()

Expand Down