o hN@sddlmZmZmZddlZddlZddlmZddZGddde Z Gdd d e Z Gd d d e Z e ejGd d d e ZeZe ejGddde Ze ejGdddeZe ejGddde ZeZdS))absolute_importdivisionprint_functionN)utilscCs |||SN)generate_dh_parameters) generatorkey_sizebackendr ^/var/www/html/env/lib/python3.10/site-packages/cryptography/hazmat/primitives/asymmetric/dh.pygenerate_parameterss r c@@eZdZddZddZddZddZed Z ed Z d S) DHPrivateNumberscC6t|tjs tdt|tstd||_||_dS)Nzx must be an integer.z6public_numbers must be an instance of DHPublicNumbers.) isinstancesix integer_types TypeErrorDHPublicNumbers_x_public_numbers)selfxpublic_numbersr r r __init__s   zDHPrivateNumbers.__init__cC&t|tstS|j|jko|j|jkSr)rrNotImplementedrrrotherr r r __eq__   zDHPrivateNumbers.__eq__cC ||k Srr rr r r __ne__' zDHPrivateNumbers.__ne__cC ||Sr)load_dh_private_numbersrr r r r private_key*r$zDHPrivateNumbers.private_keyrrN) __name__ __module__ __qualname__rr r#r(rread_only_propertyrrr r r r r   rc@r) rcCr)Nzy must be an integer.z5parameters must be an instance of DHParameterNumbers.)rrrrDHParameterNumbers_y_parameter_numbers)ryparameter_numbersr r r r2s   zDHPublicNumbers.__init__cCrr)rrrr/r0rr r r r =r!zDHPublicNumbers.__eq__cCr"rr rr r r r#Fr$zDHPublicNumbers.__ne__cCr%r)load_dh_public_numbersr'r r r public_keyIr$zDHPublicNumbers.public_keyr/r0N) r)r*r+rr r#r4rr,r1r2r r r r r1r-rc@sLeZdZd ddZddZddZdd Zed Z ed Z ed Z dS)r.NcCsbt|tjr t|tjstd|durt|tjstd|dkr&td||_||_||_dS)Nzp and g must be integerszq must be integer or Nonez!DH generator must be 2 or greater)rrrr ValueError_p_g_q)rpgqr r r rQs   zDHParameterNumbers.__init__cCs2t|tstS|j|jko|j|jko|j|jkSr)rr.rr7r8r9rr r r r as    zDHParameterNumbers.__eq__cCr"rr rr r r r#kr$zDHParameterNumbers.__ne__cCr%r)load_dh_parameter_numbersr'r r r parametersnr$zDHParameterNumbers.parametersr7r8r9r) r)r*r+rr r#r>rr,r:r;r<r r r r r.Ps    r.c@s6eZdZejddZejddZejddZdS) DHParameterscCdS)z7 Generates and returns a DHPrivateKey. Nr rr r r generate_private_keyxz!DHParameters.generate_private_keycCr@)z= Returns the parameters serialized as bytes. Nr rencodingformatr r r parameter_bytes~rCzDHParameters.parameter_bytescCr@)z/ Returns a DHParameterNumbers. Nr rAr r r r2rCzDHParameters.parameter_numbersN)r)r*r+abcabstractmethodrBrGr2r r r r r?vs  r?c@DeZdZejddZejddZejddZejddZ d S) DHPrivateKeycCr@z6 The bit length of the prime modulus. Nr rAr r r r rCzDHPrivateKey.key_sizecCr@)zC The DHPublicKey associated with this private key. Nr rAr r r r4rCzDHPrivateKey.public_keycCr@)zK The DHParameters object associated with this private key. Nr rAr r r r>rCzDHPrivateKey.parameterscCr@)zn Given peer's DHPublicKey, carry out the key exchange and return shared key as bytes. Nr )rpeer_public_keyr r r exchangerCzDHPrivateKey.exchangeN) r)r*r+rHabstractpropertyr rIr4r>rNr r r r rK   rKc@s(eZdZejddZejddZdS)DHPrivateKeyWithSerializationcCr@)z- Returns a DHPrivateNumbers. Nr rAr r r private_numbersrCz-DHPrivateKeyWithSerialization.private_numberscCr@z6 Returns the key serialized as bytes. Nr )rrErFencryption_algorithmr r r private_bytesrCz+DHPrivateKeyWithSerialization.private_bytesN)r)r*r+rHrIrRrUr r r r rQs  rQc@rJ) DHPublicKeycCr@rLr rAr r r r rCzDHPublicKey.key_sizecCr@)zJ The DHParameters object associated with this public key. Nr rAr r r r>rCzDHPublicKey.parameterscCr@)z, Returns a DHPublicNumbers. Nr rAr r r rrCzDHPublicKey.public_numberscCr@rSr rDr r r public_bytesrCzDHPublicKey.public_bytesN) r)r*r+rHrOr rIr>rrWr r r r rVrPrV) __future__rrrrHr cryptographyrr objectrrr. add_metaclassABCMetar?DHParametersWithSerializationrKrQrVDHPublicKeyWithSerializationr r r r s$  &