o >e@sdZddlZddlmZddlmZmZmZddlm Z gdZ e e Z ddZd efd d Zd d ZdeedejfddZdedeedejfddZdejfddZdejfddZdS)z/ Utility module to load keys and certificates. N)Optional)keyspemx509) serialization)load_cert_from_pemderload_certs_from_pemderload_certs_from_pemder_dataload_private_key_from_pemder!load_private_key_from_pemder_datac csP|D]"}t|d }|}Wdn1swYt|EdHqdS)z A convenience function to load PEM/DER-encoded certificates from files. :param cert_files: An iterable of file names. :return: A generator producing :class:`.asn1crypto.x509.Certificate` objects. rbN)openreadr ) cert_files cert_filefcert_data_bytesrM/var/www/html/humari/django-venv/lib/python3.10/site-packages/pyhanko/keys.pyrs  rrccsvt|r2tj|dd}|D] \}}}|dus|dkr&tj|Vqtd|dqdStj|VdS)a A convenience function to load PEM/DER-encoded certificates from binary data. :param cert_data_bytes: ``bytes`` object from which to extract certificates. :return: A generator producing :class:`.asn1crypto.x509.Certificate` objects. T)multipleN certificatezSkipping PEM block of type z in CA chain file.) rdetectunarmorlowerr Certificateloadloggerdebug)rpems type_name_derrrrr %s   r cCs2tt|g}t|dkrtd|d|dS)z A convenience function to load a single PEM/DER-encoded certificate from a file. :param cert_file: A file name. :return: An :class:`.asn1crypto.x509.Certificate` object. zNumber of certs in z should be exactly 1r)listrlen ValueError)rcertsrrrrAs r passphrasereturncCs>t|d }|}Wdn1swYt||dS)a  A convenience function to load PEM/DER-encoded keys from files. :param key_file: File to read the key from. :param passphrase: Key passphrase. :return: A private key encoded as an unencrypted PKCS#8 PrivateKeyInfo object. r N)r')r rr )key_filer'r key_bytesrrrr Qs  r r*cCs&t|rtjntj}t|||dS)a A convenience function to load PEM/DER-encoded keys from binary data. :param key_bytes: ``bytes`` object to read the key from. :param passphrase: Key passphrase. :return: A private key encoded as an unencrypted PKCS#8 PrivateKeyInfo object. )password)rrrload_pem_private_keyload_der_private_key(_translate_pyca_cryptography_key_to_asn1)r*r'load_funrrrr cs r cCs"tj|tjjtjjt SN) rPrivateKeyInfor private_bytesrEncodingDER PrivateFormatPKCS8 NoEncryption) private_keyrrrr.zs r.cCstj|tjjSr0)rrr public_bytesrr3r4)certrrr)_translate_pyca_cryptography_cert_to_asn1sr;)__doc__loggingtypingr asn1cryptorrrcryptography.hazmat.primitivesr__all__ getLogger__name__rrbytesr rr1r r r.rr;rrrrs4