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Текущая директория: /usr/lib/python3/dist-packages/cryptography/hazmat/primitives/asymmetric/__pycache__
Просмотр файла: rsa.cpython-310.pyc
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Returns an AsymmetricSignatureContext used for signing data.
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ciphertextc C r )z3
Decrypts the provided ciphertext.
Nr )r r r r r r �decrypt r zRSAPrivateKey.decryptc C r �z7
The bit length of the public modulus.
Nr �r r r r �key_size& r zRSAPrivateKey.key_size� RSAPublicKeyc C r )zD
The RSAPublicKey associated with this private key.
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public_key, r zRSAPrivateKey.public_key�datac C r )z!
Signs the data.
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Returns an RSAPrivateNumbers.
Nr r r r r �private_numbers= r z RSAPrivateKey.private_numbers�encoding�format�encryption_algorithmc C r �z6
Returns the key serialized as bytes.
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Returns an AsymmetricVerificationContext used for verifying signatures.
Nr �r r8 r r r r r �verifierS r zRSAPublicKey.verifier� plaintextc C r )z/
Encrypts the given plaintext.
Nr )r r; r r r r �encrypt^ r zRSAPublicKey.encryptc C r r r r r r r r d r zRSAPublicKey.key_size�RSAPublicNumbersc C r )z-
Returns an RSAPublicNumbers
Nr r r r r �public_numbersj r zRSAPublicKey.public_numbersr" r# c C r r% r )r r" r# r r r � public_bytesp r zRSAPublicKey.public_bytesr Nc C r )z5
Verifies the signature of the data.
Nr )r r8 r r r r r r �verifyz r zRSAPublicKey.verifyc C r )z@
Recovers the original data from the signature.
Nr r9 r r r �recover_data_from_signature� r z(RSAPublicKey.recover_data_from_signature)r r= )r' r( r) r* r+ r- r
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rJ c C s$ | dvrt d��|dk rt d��d S )N)� i zopublic_exponent must be either 3 (for legacy compatibility) or 65537. Almost everyone should choose 65537 here!i z#key_size must be at least 512-bits.��
ValueError)rD r r r r rG � s ��rG �p�q�private_exponent�dmp1�dmq1�iqmp�modulusc C s� |dk rt d��| |krt d��||krt d��||kr t d��||kr(t d��||kr0t d��||kr8t d��|dk s@||krDt d ��|d
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@ d krbt d��| | |krlt d��d S )NrK zmodulus must be >= 3.zp must be < modulus.zq must be < modulus.zdmp1 must be < modulus.zdmq1 must be < modulus.ziqmp must be < modulus.z#private_exponent must be < modulus.z+public_exponent must be >= 3 and < modulus.� r z public_exponent must be odd.zdmp1 must be odd.zdmq1 must be odd.zp*q must equal modulus.rL )rN rO rP rQ rR rS rD rT r r r � _check_private_key_components� s2
�rV �e�nc C s@ |dk rt d��| dk s| |krt d��| d@ dkr t d��d S )NrK zn must be >= 3.ze must be >= 3 and < n.rU r ze must be odd.rL )rW rX r r r � _check_public_key_components� s �rY �mc C sX d\}}| |}}|dkr(t ||�\}}||| }||||f\}}}}|dks
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Modular Multiplicative Inverse. Returns x such that: (x*e) mod m == 1
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Compute the CRT (q ** -1) % p value from RSA primes p and q.
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Compute the CRT private_exponent % (p - 1) value from the RSA
private_exponent (d) and p.
rU r )rP rN r r r � rsa_crt_dmp1� � re c C rd )zg
Compute the CRT private_exponent % (q - 1) value from the RSA
private_exponent (d) and q.
rU r )rP rO r r r � rsa_crt_dmq1 rf rg i� �dc C s� || d }|}|d dkr|d }|d dksd}d}|s\|t k r\|}||k rRt||| �}|dkrJ|| d krJt|d| �dkrJt|d | �} d}n|d9 }||k s(|d7 }|s\|t k s"|sbtd��t| | �\}
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Compute factors p and q from the private exponent d. We assume that n has
no more than two factors. This function is adapted from code in PyCrypto.
rU � r FTz2Unable to compute factors p and q from exponent d.)�reverse)�_MAX_RECOVERY_ATTEMPTS�powr rM r[ �sorted) rX rW rh �ktot�t�spottedr^ �k�candrN rO r` r r r �rsa_recover_prime_factors s2 � $� � rs c @ s� e Zd Zdededededededdfd d
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d S )NzNRSAPrivateNumbers p, q, d, dmp1, dmq1, iqmp arguments must all be an integers.zFRSAPrivateNumbers public_numbers must be an RSAPublicNumbers instance.) rE r/ � TypeErrorr= �_p�_q�_d�_dmp1�_dmq1�_iqmp�_public_numbers)r rN rO rh rQ rR rS r> r r r �__init__@ s4 �������
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zRSAPrivateNumbers.__init__ru rv rw rx ry rz r{ Nr c C � t |�}|�| �S �N)r �load_rsa_private_numbers�r rI r r r � private_keym �
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zRSAPublicNumbers.__init__r� r� Nr c C r} r~ )r �load_rsa_public_numbersr� r r r r � r� zRSAPublicNumbers.public_keyc C s
d� | �S )Nz$<RSAPublicNumbers(e={0.e}, n={0.n})>)r# r r r r �__repr__� r� zRSAPublicNumbers.__repr__c C s& t |t�stS | j|jko| j|jkS r~ )rE r= r� rW rX r� r r r r� � s
zRSAPublicNumbers.__eq__c C r� r~ r r� r r r r� � r� zRSAPublicNumbers.__ne__c C s t | j| jf�S r~ )r� rW rX r r r r r� � s zRSAPublicNumbers.__hash__r~ )r' r( r) r/ r| r r� rW rX r r r� r� r� r� r r r r r= � s
r= r~ )*r* r0 �mathr � cryptographyr �cryptography.exceptionsr r � cryptography.hazmat.backendsr �'cryptography.hazmat.backends.interfacesr � cryptography.hazmat.primitivesr r �*cryptography.hazmat.primitives._asymmetricr
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