U <ßôgõã@sÀdZddlZddlmZddlmZmZmZddlm Z dddd d gZ e e¡Z dd„Zedœd d„Zdd„Zeeejdœdd „Zeeeejdœdd „Zejdœdd„Zejdœdd„ZdS)z/ Utility module to load keys and certificates. éN)ÚOptional)ÚkeysÚpemÚx509)Ú serializationÚload_cert_from_pemderÚload_certs_from_pemderÚload_certs_from_pemder_dataÚload_private_key_from_pemderÚ!load_private_key_from_pemder_datac cs:|D]0}t|dƒ}| ¡}W5QRXt|ƒEdHqdS)zæ 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. ÚrbN)ÚopenÚreadr )Z cert_filesÚ cert_fileÚfÚcert_data_bytes©rú0/tmp/pip-unpacked-wheel-w101_d3s/pyhanko/keys.pyrs )rccsrt |¡r`tj|dd}|D]@\}}}|dks:| ¡dkrJtj |¡Vqt d|›d¡qntj |¡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)ÚmultipleNÚcertificatezSkipping PEM block of type z in CA chain file.) rÚdetectZunarmorÚlowerrÚCertificateÚloadÚloggerÚdebug)rZpemsÚ type_nameÚ_Úderrrrr %s ÿcCs2tt|gƒƒ}t|ƒdkr*td|›dƒ‚|dS)zÐ 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. ézNumber of certs in z should be exactly 1r)ÚlistrÚlenÚ ValueError)rÚcertsrrrrAs )Ú passphraseÚreturnc Cs*t|dƒ}| ¡}W5QRXt||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)r$)r rr)Úkey_filer$rÚ key_bytesrrrr Qs )r'r$r%cCs&t |¡rtjntj}t|||dƒS)a A convenience function to load PEM/DER-encoded keys from binary data. :param key_bytes: ``bytes`` object to read the key from. :param passphrase: Key passphrase. :return: A private key encoded as an unencrypted PKCS#8 PrivateKeyInfo object. )Úpassword)rrrÚload_pem_private_keyÚload_der_private_keyÚ(_translate_pyca_cryptography_key_to_asn1)r'r$Zload_funrrrrcsÿý ÿ)r%cCs"tj | tjjtjjt ¡¡¡S©N) rÚPrivateKeyInforÚ private_bytesrÚEncodingÚDERÚ PrivateFormatÚPKCS8ÚNoEncryption)Úprivate_keyrrrr+zs ýÿr+cCstj | tjj¡¡Sr,)rrrÚpublic_bytesrr/r0)ÚcertrrrÚ)_translate_pyca_cryptography_cert_to_asn1sr7)Ú__doc__ÚloggingÚtypingrZ asn1cryptorrrZcryptography.hazmat.primitivesrÚ__all__Ú getLoggerÚ__name__rrÚbytesr rr-r rr+rr7rrrrÚs0û þþþ