Eh1ddlmZmZddlZddlgdZGddZGddeZGd d eZGd d eZ Gd deZ GddeZ dZ y)) long_to_bytes bytes_to_longN)*) DerObject DerIntegerDerOctetStringDerNull DerSequence DerObjectIdcZeZdZdZdddddddZd ed fd Zd Zd ZdZ dZ ddZ y )rzBase class for defining a single DER object. Instantiate this class ONLY when you have to decode a DER element. 0)SEQUENCEz BIT STRINGINTEGER OCTET STRINGNULLOBJECT IDENTIFIERNct|s|||_||_yt|dk(rt||_||_y|jj ||_||_y)zInitialize the DER object according to a specific type. The ASN.1 type is either specified as the ASN.1 string (e.g. 'SEQUENCE'), directly with its numerical tag or with no tag at all (None).N)isInttypeTaglenordtypeTagsgetpayload)selfASN1Typer!s Q/var/www/html/bid_assistant/venv/lib/python3.12/site-packages/Crypto/Util/asn1.py__init__zDerObject.__init__'sa ?h&6#+DL ' 8}a''*8}  ' (,}}'8'8'B & c:|j||jk(SN)rr)r"r#s r$isTypezDerObject.isType6s}}X. <#0#<#CM#$56AAJ''r&ct|j|jt|jz|jzS)z6Return a complete DER element, fully encoded as a TLV.)r-rr0rr!r"s r$encodezDerObject.encodeBs6DLL)D,>,>s4<  "r&rc"eZdZddZdZddZy)rc>tj|d||_y)z|Class to model an INTEGER DER element. Limitation: only non-negative values are supported. rN)rr%valuer"rLs r$r%zDerInteger.__init__qs ""43" r&ct|j|_t|jddkDrt d|jz|_t j |S)z>Return a complete INTEGER DER element, fully encoded as a TLV.rr+)rrLr!r5r-rr3r2s r$r3zDerInteger.encodeysL,TZZ8  Q(,'+DzDLL'@  ''--r&ctj|||}|j|jdk7r t dt |j ddkDr t dt|j |_|S)aDecode a complete INTEGER DER element, and re-initializes this object with it. @param derEle A complete INTEGER DER element. It must start with a DER INTEGER tag. @param noLeftOvers Indicate whether it is acceptable to complete the parsing of the DER element and find that not all bytes in derEle have been used. @return Index of the first unused byte in the given DER element. Raises a ValueError exception if the DER element is not a valid non-negative INTEGER. Raises an IndexError exception if the DER element is too short. rzNot a DER INTEGER.rr+zNegative INTEGER.) rrBrrr6r5r!rrL)r"r@rA tlvLengths r$rBzDerInteger.decodesp&,,T6;G <<y!99(*>?? Q(,(*=>>*4<<8   r&NrC)rDrErFr%r3rBrIr&r$rrps # . !r&rcbeZdZdZddZdZdZdZdZdZ d Z d Z d Z d Z d ZdZddZy)r aClass to model a SEQUENCE DER element. This object behave like a dynamic Python sequence. Sub-elements that are INTEGERs, look like Python integers. Any other sub-element is a binary string encoded as the complete DER sub-element (TLV). NcXtj|d|dk(rg|_y||_y)zKInitialize the SEQUENCE DER object. Always empty initially.rN)rr%_seq)r"startSeqs r$r%zDerSequence.__init__s)""44T> "DI (DIr&c|j|=yr(rSr"ns r$ __delitem__zDerSequence.__delitem__s IIaLr&c |j|Sr(rVrWs r$ __getitem__zDerSequence.__getitem__syy|#r&c"||j|<yr(rV)r"keyrLs r$ __setitem__zDerSequence.__setitem__s!& #r&c"||j||yr(rV)r"ijsequences r$ __setslice__zDerSequence.__setslice__s!) !Ar&c"|j||=yr(rVr"r`ras r$ __delslice__zDerSequence.__delslice__sIIacNr&cH|jtd|td|S)Nr)rSmaxres r$ __getslice__zDerSequence.__getslice__syyQ3q!955r&c,t|jSr()rrSr2s r$__len__zDerSequence.__len__s499~%r&c8|jj|Sr()rSappendr"items r$rmzDerSequence.appendsyy''--r&cHttt|jS)z=Return the number of items in this sequence that are numbers.)rfilterrrSr2s r$hasIntszDerSequence.hasIntss6%344r&cj|jxr&|jt|jk(S)z6Return True if all items in this sequence are numbers.)rSrrrr2s r$ hasOnlyIntszDerSequence.hasOnlyIntss$yyCT\\^S^%CCr&c$td|_|jD]} |xj|z c_t j |S# |xjt|j z c_n#t dxYwYrxYw)a;Return the DER encoding for the ASN.1 SEQUENCE, containing the non-negative integers and longs added to this object. Limitation: Raises a ValueError exception if it some elements in the sequence are neither Python integers nor complete DER INTEGERs. rz&Trying to DER encode an unknown object)rHr!rSrr3r6rrns r$r3zDerSequence.encodes !u  IIcDc $  4 c!''-- c!c(, 48H8O8O8Q(Q !c.89a.b(b)5s#A  B,A=<B= B  Bcg|_ tj|||}|j|jdk7r t dd}|t |jkrt|j|}||jdk(rQt}||j|j|dz }|jj|jnR|j|dz|j\}}|jj|j|||z||z}|t |jkr|S#t$r t dwxYw)aDecode a complete SEQUENCE DER element, and re-initializes this object with it. @param derEle A complete SEQUENCE DER element. It must start with a DER SEQUENCE tag. @param noLeftOvers Indicate whether it is acceptable to complete the parsing of the DER element and find that not all bytes in derEle have been used. @return Index of the first unused byte in the given DER element. DER INTEGERs are decoded into Python integers. Any other DER element is not decoded. Its validity is not checked. Raises a ValueError exception if the DER element is not a valid DER SEQUENCE. Raises an IndexError exception if the DER element is too short. rzNot a DER SEQUENCE.rrNrr>)rSrrBrrr6rr!r5rrmrLr;r?) r"r@rArPr7r newIntegeritemLenitemIdxs r$rBzDerSequence.decodesD& F$-$4$4T6;$O <<z)BB&01F&G G!#dll"33*.t||C/@*A#*DMM),D#D5?\ (+z/@/@cdAS/T(T(, (8(89I9I(J:>//#a%PTP\P\:](, (8(8c'RY/9Z([.5.?"#dll"33! "F()DEEFs D=E Er(rC)rDrErFrGr%rYr[r^rcrfrirkrmrrrtr3rBrIr&r$r r sI  ) ! $ ' * # 6 & . 5 D .$& !r&r c*eZdZedfdZddZy)rrc>tj|d||_y)Nr)rr%r!rMs r$r%zDerOctetString.__init__s40 r&cjtj||}|jds td|S)NrzNot a valid OCTET STRING.rrBr)r6r"r@rAps r$rBzDerOctetString.decodes1   V[ 1{{>*89 9r&NrC)rDrErFrHr%rBrIr&r$rrs ur&rceZdZdZy)r c0tj|dy)Nrrr%r2s r$r%zDerNull.__init__ s4(r&N)rDrErFr%rIr&r$r r s)r&r ceZdZdZddZy)r c0tj|dy)Nrrr2s r$r%zDerObjectId.__init__s4!45r&cjtj||}|jds td|S)NrzNot a valid OBJECT IDENTIFIER.r}r~s r$rBzDerObjectId.decodes2   V[ 1{{./=> >r&NrC)rDrErFr%rBrIr&r$r r s 6r&r c2d} ||z }y#t$rYywxYw)Nrr) TypeError)xtests r$rrs. D    s  ) Crypto.Util.numberrrsysCrypto.Util.py3compat__all__rrr rr r rrIr&r$rsg.< # bQ"Q"f%!%!Ne!)e!N Y )i)) r&