/
lib
/
python3
/
dist-packages
/
cryptography
/
hazmat
/
backends
/
openssl
/
__pycache__
/
Upload File
HOME
� p�g� � � � d dl Z d dlmZ d dlmZ d dlmZmZ e j rd dl m Z dZ dZ G d� d e� � Z G d � d e� � ZdS ) � N)� exceptions)� serialization)�Ed448PrivateKey�Ed448PublicKey)�Backend�9 �r c �^ � e Zd Zd d�Zdej dej defd�Zdefd�Z d ed edd fd �Z d S )�_Ed448PublicKey�backendr c �" � || _ || _ d S �N��_backend� _evp_pkey��selfr �evp_pkeys �L/usr/lib/python3/dist-packages/cryptography/hazmat/backends/openssl/ed448.py�__init__z_Ed448PublicKey.__init__ � � � �� �!����� �encoding�format�returnc �& � |t j j u s|t j j u rI|t j j us|t j j urt d� � �| � � � S | j � ||| | j d � � S )Nz3When using Raw both encoding and format must be Raw) r �Encoding�Raw� PublicFormat� ValueError�_raw_public_bytesr �_public_key_bytesr )r r r s r � public_bytesz _Ed448PublicKey.public_bytes s� � � � �.�2� 2� 2�� �3�7�7�7� � � 6� :�:�:�� �!;�!?�?�?� �I�� � � �)�)�+�+� +��}�.�.� �f�d�D�N�D� � � r c �� � | j j � dt � � }| j j � dt � � }| j j � | j ||� � }| j � |dk � � | j � |d t k � � | j j � |t � � d d � S �Nzunsigned char []�size_t *� r ) r �_ffi�new�_ED448_KEY_SIZE�_lib�EVP_PKEY_get_raw_public_keyr �openssl_assert�buffer�r �buf�buflen�ress r r! z!_Ed448PublicKey._raw_public_bytes1 s� � ��m� �$�$�%7� �I�I��� �#�'�'� �O�D�D���m� �<�<� �N�C�� � �� � �$�$�S�A�X�.�.�.� � �$�$�V�A�Y�/�%A�B�B�B��}�!�(�(��o�>�>�q�q�q�A�Ar � signature�dataNc � � | j j � � � }| j � || j j j k � � | j j � || j j j � � }| j j � || j j j | j j j | j j j | j � � }| j � |dk � � | j j � ||t |� � |t |� � � � }|dk r%| j � � � t j �d S )Nr' )r r+ �EVP_MD_CTX_newr- r( �NULL�gc�EVP_MD_CTX_free�EVP_DigestVerifyInitr �EVP_DigestVerify�len�_consume_errorsr �InvalidSignature)r r3 r4 � evp_md_ctxr2 s r �verifyz_Ed448PublicKey.verify; s# � ��]�'�6�6�8�8� � � �$�$�Z�4�=�3E�3J�%J�K�K�K��]�'�*�*� �� �*�:� � � � �m� �5�5� � �M� � #� �M� � #� �M� � #� �N� � �� � �$�$�S�A�X�.�.�.��m� �1�1� � �3�y�>�>�4��T��� � �� �!�8�8� �M� )� )� +� +� +� �-� -� �8r �r r ) �__name__� __module__� __qualname__r r r r �bytesr# r! r@ � r r r r s� � � � � � �"� "� "� "� � �(� � �*� � � � � � �.B�5� B� B� B� B�.�� .�U� .�t� .� .� .� .� .� .r r c �t � e Zd Zdd�Zdefd�Zdedefd�Zdej d ej d ej defd �Z defd �Z d S )�_Ed448PrivateKeyr r c �" � || _ || _ d S r r r s r r z_Ed448PrivateKey.__init__R r r r c �� � | j j � dt � � }| j j � dt � � }| j j � | j ||� � }| j � |dk � � | j � |d t k � � | j j � |� � d d � }| j � |� � S r% ) r r( r) r* r+ r, r r- r. �ed448_load_public_bytes)r r0 r1 r2 r# s r � public_keyz_Ed448PrivateKey.public_keyV s� � ��m� �$�$�%7� �I�I��� �#�'�'� �O�D�D���m� �<�<� �N�C�� � �� � �$�$�S�A�X�.�.�.� � �$�$�V�A�Y�/�%A�B�B�B��}�)�0�0��5�5�a�a�a�8� ��}�4�4�\�B�B�Br r4 c �� � | j j � � � }| j � || j j j k � � | j j � || j j j � � }| j j � || j j j | j j j | j j j | j � � }| j � |dk � � | j j � dt � � }| j j � dt |� � � � }| j j � ||||t |� � � � }| j � |dk � � | j � |d t k � � | j j � ||d � � d d � S )Nr' zunsigned char[]r& r )r r+ r6 r- r( r7 r8 r9 �EVP_DigestSignInitr r) �_ED448_SIG_SIZEr< �EVP_DigestSignr. )r r4 r? r2 r0 r1 s r �signz_Ed448PrivateKey.signa s� � ��]�'�6�6�8�8� � � �$�$�Z�4�=�3E�3J�%J�K�K�K��]�'�*�*� �� �*�:� � � � �m� �3�3� � �M� � #� �M� � #� �M� � #� �N� � �� � �$�$�S�A�X�.�.�.��m� �$�$�%6��H�H��� �#�'�'� �C��H�H�=�=���m� �/�/� ��V�T�3�t�9�9� � �� � �$�$�S�A�X�.�.�.� � �$�$�V�A�Y�/�%A�B�B�B��}�!�(�(��f�Q�i�8�8����;�;r r r �encryption_algorithmc �\ � |t j j u s|t j j u rc|t j j us-|t j j ust |t j � � st d� � �| � � � S | j � |||| | j d � � S )NzcWhen using Raw both encoding and format must be Raw and encryption_algorithm must be NoEncryption()) r r r r � PrivateFormat� isinstance� NoEncryptionr �_raw_private_bytesr �_private_key_bytesr )r r r rR s r � private_bytesz _Ed448PrivateKey.private_bytesx s� � � � �.�2� 2� 2�� �3�7�7�7� �m� 9� =�=�=��=�#9�#=�=�=�!�(�-�*D�� � >� !�F�� � � �*�*�,�,� ,��}�/�/� �f� 2�D�$�.�$� � � r c �� � | j j � dt � � }| j j � dt � � }| j j � | j ||� � }| j � |dk � � | j � |d t k � � | j j � |t � � d d � S r% ) r r( r) r* r+ � EVP_PKEY_get_raw_private_keyr r- r. r/ s r rW z#_Ed448PrivateKey._raw_private_bytes� s� � ��m� �$�$�%7� �I�I��� �#�'�'� �O�D�D���m� �=�=� �N�C�� � �� � �$�$�S�A�X�.�.�.� � �$�$�V�A�Y�/�%A�B�B�B��}�!�(�(��o�>�>�q�q�q�A�Ar NrA )rB rC rD r r rL rE rQ r r rT �KeySerializationEncryptionrY rW rF r r rH rH Q s� � � � � � �"� "� "� "� C�N� C� C� C� C�<�� <�5� <� <� <� <�. � �(� � �+� � ,� F� � � � � � �8B�E� B� B� B� B� B� Br rH )�typing� cryptographyr � cryptography.hazmat.primitivesr �/cryptography.hazmat.primitives.asymmetric.ed448r r � TYPE_CHECKING�,cryptography.hazmat.backends.openssl.backendr r* rO r rH rF r r �<module>rc s� �� � � � � #� #� #� #� #� #� 8� 8� 8� 8� 8� 8�� � � � � � � � �� E�D�D�D�D�D�D�����9.� 9.� 9.� 9.� 9.�n� 9.� 9.� 9.�xKB� KB� KB� KB� KB�� KB� KB� KB� KB� KBr