o <СЁiу@s╪ddlmZddlZddlmZddlmZmZddlm Z m Z GddДdejdНZGd d Дd eejdНZ GddДdeejdНZGd dДdeejdНZGddДdeejdНZd#ddДZd$ddДZd%dd ДZd&d!d"ДZdS)'щ)┌annotationsN)┌utils)┌UnsupportedAlgorithm┌_Reasons)┌BlockCipherAlgorithm┌CipherAlgorithmc@s0eZdZeejdddДГГZejddd ДГZd S) ┌Mode┌return┌strcCєdS)z@ A string naming this mode (e.g. "ECB", "CBC"). Nйй┌selfrr·d/root/parts/websockify/install/lib/python3.10/site-packages/cryptography/hazmat/primitives/_modes.py┌nameєz Mode.name┌ algorithmr┌NonecCr)zq Checks that all the necessary invariants of this (mode, algorithm) combination are met. Nrйrrrrr┌validate_for_algorithmrzMode.validate_for_algorithmN)r r )rrr r)┌__name__┌ __module__┌__qualname__┌property┌abc┌abstractmethodrrrrrrrsr)┌ metaclassc@є eZdZeejdddДГГZdS)┌ModeWithInitializationVectorr ·utils.BuffercCr)zP The value of the initialization vector for this mode as bytes. Nrr rrr┌initialization_vector"rz2ModeWithInitializationVector.initialization_vectorNйr r)rrrrrrr rrrrr!єrc@r)┌ ModeWithTweakr rcCr)z@ The value of the tweak for this mode as bytes. Nrr rrr┌tweak+rzModeWithTweak.tweakNr!)rrrrrrr$rrrrr#*r"r#c@r)┌ ModeWithNoncer rcCr)z@ The value of the nonce for this mode as bytes. Nrr rrr┌nonce4rzModeWithNonce.nonceNr!)rrrrrrr&rrrrr%3r"r%c@r)┌ModeWithAuthenticationTagr ·bytes | NonecCr)zP The value of the tag supplied to the constructor of this mode. Nrr rrr┌tag=rzModeWithAuthenticationTag.tagN)r r()rrrrrrr)rrrrr'<r"r'rrrr rcCs$|jdkr|jdkrtdГВdSdS)Nщ┌AESz=Only 128, 192, and 256 bit keys are allowed for this AES mode)┌key_sizer┌ ValueErrorrrrr┌_check_aes_key_lengthEs r.rcCs4t|jГ}|d|jkrtd|Ыd|jЫdЭГВdS)NщzInvalid IV size (·) for ┌.)┌lenr ┌ block_sizer-r)rr┌iv_lenrrr┌_check_iv_lengthLs r5r&rrr cCsLt|tГst|ЫdЭtjГВt|Гd|jkr$tdt|ГЫd|ЫdЭГВdS)N·" requires a block cipher algorithmr/zInvalid nonce size (r0r1)┌ isinstancerrr┌UNSUPPORTED_CIPHERr2r3r-)r&rrrrr┌_check_nonce_lengthTs ■ r9cCs4t|tГst|ЫdЭtjГВt||Гt||ГdS)Nr6)r7rrrr8r.r5rrrr┌_check_iv_and_key_length`s ■ r:)rrrrr r)rrrrr r)r&rrr rrr r)rrrrr r)┌ __future__rr┌cryptographyr┌cryptography.exceptionsrr┌/cryptography.hazmat.primitives._cipheralgorithmrr┌ABCMetarrr#r%r'r.r5r9r:rrrr┌s