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Editing: rsa.cpython-39.pyc
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ZEVP_PKEY_encrypt_initZEVP_PKEY_encryptZEVP_PKEY_decrypt_initZEVP_PKEY_decrypt�EVP_PKEY_CTX_new� _evp_pkey�_ffi�NULL�openssl_assert�gc�EVP_PKEY_CTX_free� EVP_PKEY_CTX_set_rsa_padding� EVP_PKEY_sizer Z Cryptography_HAS_RSA_OAEP_MD� _evp_md_non_null_from_algorithmr# � _algorithm� EVP_PKEY_CTX_set_rsa_mgf1_mdZ EVP_PKEY_CTX_set_rsa_oaep_mdZ_label�lenZOPENSSL_mallocZmemmoveZ EVP_PKEY_CTX_set0_rsa_oaep_label�new�buffer�ERR_clear_error� ValueError)r) r r* r, r+ ZinitZcrypt�pkey_ctx�resZbuf_size�mgf1_mdZoaep_mdZlabelptrZoutlen�buf�resbufr r r r( N sX � �� � � r( c C s� t |t�std��| j�|j�}| �|dk� t |t�rB| jj}nnt |t �r�t |j t �sdt dt j��t |tj�sxtd��||j d dk r�td��| jj}nt d�|j�t j��|S )Nz'Expected provider of AsymmetricPadding.r r z*Expected instance of hashes.HashAlgorithm.� zDDigest too large for key size. Use a larger key or different digest.r )r r r r! r: r3 r6 r r" r r# r r r r$ r Z HashAlgorithmZ digest_sizerB ZRSA_PKCS1_PSS_PADDINGr& r' r% )r) r r+ � algorithmZ pkey_sizer, r r r �_rsa_sig_determine_padding� s0 � � �rJ c C s0 t | |||�}| j�|j| jj�}| �|| jjk� | j�|| jj�}||�}| �|dk� |d ur�| � |�}| j� ||�}|dkr�| � � t d� |j�tj��| j�||�}|dkr�| � � t d� |j�tj��t|t��r,| j�|t|||��}| �|dk� | � |jj�} | j�|| �}| �|dk� |S )Nr. r z4{} is not supported by this backend for RSA signing.z4{} is not supported for the RSA signature operation.)rJ r! r2 r3 r4 r5 r6 r7 r8 r; Z EVP_PKEY_CTX_set_signature_md�_consume_errorsr r& r' r ZUNSUPPORTED_HASHr9 r% r r Z EVP_PKEY_CTX_set_rsa_pss_saltlenr r# r< r= ) r) r+ rI r Z init_funcr, rC rD Zevp_mdrE r r r �_rsa_sig_setup� sJ ���� ��rL c C s� t | |||| jj�}| j�d�}| j�|| jj||t|��}| �|dk� | j�d|d �}| j�||||t|��}|dkr�| � � } t d| ��| j� |�d d � S )Nr/ r. r0 r zuDigest or salt length too long for key size. Use a larger key or shorter salt length if you are specifying a PSS salt) rL r! ZEVP_PKEY_sign_initr4 r? Z EVP_PKEY_signr5 r> r6 �_consume_errors_with_textrB r@ ) r) r+ rI � private_keyr* rC �buflenrD rF �errorsr r r � _rsa_sig_sign� s* � ��rQ c C sV t | |||| jj�}| j�||t|�|t|��}| �|dk� |dkrR| �� t�d S )Nr )rL r! ZEVP_PKEY_verify_initZEVP_PKEY_verifyr> r6 rK r )r) r+ rI � public_key� signaturer* rC rD r r r �_rsa_sig_verify� s ��rT c C s� t | |||| jj�}| j�|j�}| �|dk� | j�d|�}| j�d|�}| j�||||t |��} | j� |�d |d � } | j� � | dkr�t �| S )Nr r0 r/ r. ) rL r! Z EVP_PKEY_verify_recover_initr: r3 r6 r4 r? ZEVP_PKEY_verify_recoverr> r@ rA r ) r) r+ rI rR rS rC �maxlenrF rO rD rG r r r �_rsa_sig_recover s& � � rV c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�_RSASignatureContextc C s< || _ || _t||||� || _|| _t�| j| j �| _d S r )�_backend� _private_keyrJ �_paddingr< r �Hash� _hash_ctx)�selfr) rN r+ rI r r r �__init__, s z _RSASignatureContext.__init__c C s | j �|� d S r �r\ �update�r] r* r r r r` 8 s z_RSASignatureContext.updatec C s t | j| j| j| j| j�� �S r )rQ rX rZ r< rY r\ �finalize�r] r r r rb ; s �z _RSASignatureContext.finalizeN)�__name__� __module__� __qualname__r^ r` rb r r r r rW * s rW c @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�_RSAVerificationContextc C sF || _ || _|| _|| _t||||� |}|| _t�| j| j �| _d S r ) rX � _public_key� _signaturerZ rJ r< r r[ r\ )r] r) rR rS r+ rI r r r r^ G s z _RSAVerificationContext.__init__c C s | j �|� d S r r_ ra r r r r` U s z _RSAVerificationContext.updatec C s" t | j| j| j| j| j| j�� �S r )rT rX rZ r< rh ri r\ rb rc r r r �verifyX s �z _RSAVerificationContext.verifyN)rd re rf r^ r` rj r r r r rg E s rg c @ sN e Zd Zdd� Ze�d�Zdd� Zdd� Zdd � Z d d � Z d d � Z dd� Z dS )�_RSAPrivateKeyc C s� |j �|�}|dkr&|�� }td|��|j �||jj�}|�|dk� || _|| _ || _ | jj� d�}| jj � | j || jjj| jjj� | j�|d | jjjk� | jj � |d �| _d S )Nr. zInvalid private key� BIGNUM **r )r! Z RSA_check_keyrM rB ZRSA_blinding_onr4 r5 r6 rX � _rsa_cdatar3 r? � RSA_get0_key� BN_num_bits� _key_size)r] r) � rsa_cdata�evp_pkeyrD rP �nr r r r^ e s$ �z_RSAPrivateKey.__init__rp c C s t � t|� t| j| ||�S r )r r rW rX )r] r+ rI r r r �signer� s z_RSAPrivateKey.signerc C s2 | j d d }|t|�kr"td��t| j| ||�S )N� � z,Ciphertext length must be equal to key size.)�key_sizer> rB r- rX )r] Z ciphertextr+ Zkey_size_bytesr r r �decrypt� s z_RSAPrivateKey.decryptc C sV | j j�| j�}| j �|| j jjk� | j j�|| j jj�}| j � |�}t | j ||�S r ) rX r! ZRSAPublicKey_duprm r6 r4 r5 r7 ZRSA_freeZ_rsa_cdata_to_evp_pkeyr1 )r] �ctxrr r r r rR � s z_RSAPrivateKey.public_keyc C s | j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�d�}| j j�| j|||� | j �|d | j jjk� | j �|d | j jjk� | j �|d | j jjk� | j j�| j||� | j �|d | j jjk� | j �|d | j jjk� | j j� | j|||� | j �|d | j jjk� | j �|d | j jjk� | j �|d | j jjk� t j | j � |d �| j � |d �| j � |d �| j � |d �| j � |d �| j � |d �t j | j � |d �| j � |d �d�d�S )Nrl r ��ers )�p�q�d�dmp1�dmq1�iqmp�public_numbers)rX r4 r? r! rn rm r6 r5 ZRSA_get0_factorsZRSA_get0_crt_paramsr ZRSAPrivateNumbers� _bn_to_int�RSAPublicNumbers) r] rs r{ r~ r| r} r r� r� r r r �private_numbers� sB ���z _RSAPrivateKey.private_numbersc C s | j �|||| | j| j�S r )rX Z_private_key_bytesr3 rm )r] �encodingr& Zencryption_algorithmr r r � private_bytes� s �z _RSAPrivateKey.private_bytesc C s$ t | j||�\}}t| j||| |�S r )r rX rQ )r] r* r+ rI r r r �sign� s �z_RSAPrivateKey.signN) rd re rf r^ r �read_only_propertyrw rt rx rR r� r� r� r r r r rk c s # rk c @ sN e Zd Zdd� Ze�d�Zdd� Zdd� Zdd � Z d d � Z d d � Z dd� Z dS )r1 c C st || _ || _|| _| j j�d�}| j j�| j|| j jj| j jj� | j �|d | j jjk� | j j� |d �| _ d S )Nrl r ) rX rm r3 r4 r? r! rn r5 r6 ro rp )r] r) rq rr rs r r r r^ � s �z_RSAPublicKey.__init__rp c C s, t � t�d|� t|� t| j| |||�S )NrS )r r � _check_bytesr rg rX �r] rS r+ rI r r r �verifier� s �z_RSAPublicKey.verifierc C s t | j| ||�S r )r- rX )r] Z plaintextr+ r r r �encrypt� s z_RSAPublicKey.encryptc C s� | j j�d�}| j j�d�}| j j�| j||| j jj� | j �|d | j jjk� | j �|d | j jjk� tj | j � |d �| j � |d �d�S )Nrl r rz ) rX r4 r? r! rn rm r5 r6 r r� r� )r] rs r{ r r r r� � s ��z _RSAPublicKey.public_numbersc C s | j �||| | j| j�S r )rX Z_public_key_bytesr3 rm )r] r� r& r r r � public_bytes� s �z_RSAPublicKey.public_bytesc C s& t | j||�\}}t| j||| ||�S r )r rX rT )r] rS r* r+ rI r r r rj � s ��z_RSAPublicKey.verifyc C s t |� t| j||| |�S r )r rV rX r� r r r �recover_data_from_signature s �z)_RSAPublicKey.recover_data_from_signatureN) rd re rf r^ r r� rw r� r� r� r� rj r� r r r r r1 � s r1 N),Z __future__r r r Z cryptographyr Zcryptography.exceptionsr r r Z*cryptography.hazmat.backends.openssl.utilsr r r Z cryptography.hazmat.primitivesr Z)cryptography.hazmat.primitives.asymmetricr r r Z1cryptography.hazmat.primitives.asymmetric.paddingr r r r r r Z-cryptography.hazmat.primitives.asymmetric.rsar r r r- r( rJ rL rQ rT rV Zregister_interface�objectrW rg rk r1 r r r r �<module> s. ;+* c
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