auth_data.py 文件源码

def _ValidatePubkeyGeneric(self, signing_cert, digest_alg, payload,
                             enc_digest):
    cert = x509.load_der_x509_certificate(der_encoder.encode(signing_cert), default_backend())
    pubkey = cert.public_key()
    if isinstance(pubkey, RSAPublicKey):
        verifier = pubkey.verifier(enc_digest, padding.PKCS1v15(), cert.signature_hash_algorithm)
    else:
        verifier = pubkey.verifier(enc_digest, cert.signature_hash_algorithm)
    verifier.update(payload)
    try:
        verifier.verify()
        return True
    except:
        return False