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o ;j�# � @ s� d Z ddlZddlZddlZddlZddlZddlmZmZm Z m Z m Z m Z ddl ZddlZdZdZdZdd� Zd d � Zd d � Ze� Zd ZG dd� d�ZG dd� d�ZdS )zE Create and verify ANSI X9.31 RSA signatures using OpenSSL libcrypto � N)�c_char_p�c_int�c_void_p�cdll�create_string_buffer�pointer� � � c C s� t j�d�r&d} t jD ]}t�tj�|d��} | r | d nd} | r# nq �n&tjj� � r�t�d�} | p7t�d�} t j }tj� |�rGtj� |�}tj� |�}tj�|�dkr[tj� |�}| pdt�|� d��} t�d d �}| pvt�tj�|d ��} | p�t�tj�|d ��} | p�t�d �} t�� d �d�dd� ddgkr�| p�t�d�} ttt| ���} ntt�� d �d�d �dk r�| p�dg} | r�| d nd} n�tt dd�r�tjj�� r�t�tj�tj� t j �d��} | r�| d nd} n`tj�d�} | �sLtjj�� �rt�d�} | �pt�d�} | �pt�d�} | �r| d nd} n1tjj� � �rLtj� d ��s0tj� d ��r>t�d�} | �p<t�d �} nt�d �} | �rJ| d nd} | �sSt d ��| S )!z@ Find the path (or return the short name) of libcrypto. �winNzlibcrypto*.dllr z /opt/salt/lib/libcrypto.dylibzlib/libcrypto.dylib�binz/lib/libcrypto.dylibZHOMEBREW_PREFIXz /usr/localz opt/openssl/lib/libcrypto.dylibz!opt/openssl@*/lib/libcrypto.dylibz /opt/local/lib/libcrypto.dylib�.� �10Z15z/usr/lib/libcrypto.*.dylib� z/usr/lib/libcrypto.dylib�frozenFz libcrypto.so*Zcryptoz%/opt/saltstack/salt/run/libcrypto.so*z /opt/local/lib/libcrypto.so*z /opt/tools/lib/libcrypto.so*z/opt/saltstack/salt/runz /opt/salt/libz/opt/salt/lib/libcrypto.so*z /opt/freeware/lib/libcrypto.so*z Cannot locate OpenSSL libcrypto) �sys�platform� startswith�path�glob�os�join�salt�utilsZ is_darwin� executable�islink�realpath�dirname�basename�getenv�mac_ver�split�list�reversed�sorted�int�getattrZ is_smartos�ctypes�utilZ find_libraryZis_sunosZis_aix�isdir�OSError)�libr Zpy_bin�targetZ brew_prefix� r. �F/opt/saltstack/salt/lib/python3.10/site-packages/salt/utils/rsax931.py�_find_libcrypto sl �� � �" � r0 c C s t �t� �S )z$ Attempt to load libcrypto. )r � LoadLibraryr0 r. r. r. r/ �_load_libcrypton s r2 c C s� t � } z| j}t|�r|� }|dk r| �� W n ty( | �� | �� Y nw d| j_t | j_ t f| j _t | j _ ttf| j_t | j_ t f| j_t t t t f| j_t | j_ t t t t f| j_t | j_ tttt tf| j_tttt tf| j_| S )z> Set up libcrypto argtypes and initialize the library i r. )r2 ZOpenSSL_version_num�callableZOPENSSL_init_crypto�AttributeErrorZOPENSSL_no_configZ!OPENSSL_add_all_algorithms_noconf�RSA_new�argtypesr �restype�RSA_free�RSA_sizeZargtyper r �BIO_new_mem_buf�BIO_free�PEM_read_bio_RSAPrivateKey�PEM_read_bio_RSA_PUBKEY�RSA_private_encrypt�RSA_public_decrypt)� libcryptoZopenssl_version_numr. r. r/ �_init_libcryptou sN � � ���rA � c @ �( e Zd ZdZdd� Zdd� Zdd� ZdS ) � RSAX931SignerzB Create ANSI X9.31 RSA signatures using OpenSSL libcrypto c C sT t jj�|d�}t�|t|��| _tt� � �| _ t� | jt | j �dd�s(t d��dS )zo Init an RSAX931Signer instance :param str keydata: The RSA private key in PEM format �asciiNzinvalid RSA private key)r r � stringutils�to_bytesr@ r: �len�_bior r5 �_rsar< r � ValueError)�selfZkeydatar. r. r/ �__init__� s ��zRSAX931Signer.__init__c C � t �| j� t �| j� d S �N�r@ r; rI r8 rJ �rL r. r. r/ �__del__� � zRSAX931Signer.__del__c C �R t t�| j��}tjj�|�}t�t |�||| jt �}|dk r#t d��|d|� S )z� Sign a message (digest) using the private key :param str msg: The message (digest) to sign :rtype: str :return: The signature, or an empty string if the encryption failed r zUnable to encrypt message) r r@ r9 rJ r r rF rG r> rH �RSA_X931_PADDINGrK )rL �msg�buf�sizer. r. r/ �sign� s � zRSAX931Signer.signN)�__name__� __module__� __qualname__�__doc__rM rR rY r. r. r. r/ rD � s rD c @ rC ) �RSAX931VerifierzB Verify ANSI X9.31 RSA signatures using OpenSSL libcrypto c C s` t jj�|d�}|�dd�}t�|t|��| _t t� � �| _ t� | jt | j �dd�s.td��dS )zp Init an RSAX931Verifier instance :param str pubdata: The RSA public key in PEM format rE s RSA � Nzinvalid RSA public key)r r rF rG �replacer@ r: rH rI r r5 rJ r= r rK )rL Zpubdatar. r. r/ rM � s ��zRSAX931Verifier.__init__c C rN rO rP rQ r. r. r/ rR � rS zRSAX931Verifier.__del__c C rT )a- Recover the message (digest) from the signature using the public key :param str signed: The signature created with the private key :rtype: str :return: The message (digest) recovered from the signature, or an empty string if the decryption failed r zUnable to decrypt message) r r@ r9 rJ r r rF rG r? rH rU rK )rL ZsignedrW rX r. r. r/ �verify� s � zRSAX931Verifier.verifyN)rZ r[ r\ r] rM rR ra r. r. r. r/ r^ � s r^ )r] Z ctypes.utilr( r r r r r r r r r r Zsalt.utils.platformr Zsalt.utils.stringutilsZ OPENSSL_INIT_ADD_ALL_CIPHERSZ OPENSSL_INIT_ADD_ALL_DIGESTSZOPENSSL_INIT_NO_LOAD_CONFIGr0 r2 rA r@ rU rD r^ r. r. r. r/ �<module> s& Y3-
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