hdZddlmZmZmZmZddlZddlZddlZddl m Z ddl m Z mZmZejdkrddlmZndd lmZd Zdd Zd ZddZdS)zq Encoding DER to PEM and decoding PEM to DER. Exports the following items: - armor() - detect() - unarmor() )unicode_literalsdivisionabsolute_importprint_functionN)unwrap) type_namestr_clsbyte_cls))StringIO)BytesIOct|ts*ttdt ||ddkp|ddkS)z Detect if a byte string seems to contain a PEM-encoded block :param byte_string: A byte string to look through :return: A boolean, indicating if a PEM-encoded block is contained in the byte string zC byte_string must be a byte string, not %s s -----BEGINs ---- BEGIN) isinstancer TypeErrorr _type_namefind) byte_strings J/var/www/html/Sam_Eipo/venv/lib/python3.11/site-packages/asn1crypto/pem.pydetectrsz k8 , ,   { # #         M * *b 0 YK4D4D]4S4SWY4YYct|ts,ttdt |zt|t s*ttdt ||d}t}| d| || d|r|D]}| |d| d| ||d| d| dtj |}t|}d}||kr@| |||d z| d|d z }||k@| d | || d| S) a  Armors a DER-encoded byte string in PEM :param type_name: A unicode string that will be capitalized and placed in the header and footer of the block. E.g. "CERTIFICATE", "PRIVATE KEY", etc. This will appear as "-----BEGIN CERTIFICATE-----" and "-----END CERTIFICATE-----". :param der_bytes: A byte string to be armored :param headers: An OrderedDict of the header lines to write after the BEGIN line :return: A byte string of the PEM block zA der_bytes must be a byte string, not %s zD type_name must be a unicode string, not %s asciis -----BEGIN s----- s:  r@s -----END )rr rrrr upperencoderwritebase64 b64encodelengetvalue)r der_bytesheadersoutputkey b64_bytesb64_lenis rarmorr+2s3( i * *  Y'' (     i ) )   y ! !      !!((11I YYF LL    LL LL  C LLG,, - - - LL    LL,,W55 6 6 6 LL     U ++I)nnG A g++ YqRx())) U R g++ LL LL LL ??  rc#Kt|ts*ttdt |d}i}d}d}d}d}|dD]}|dkr |dkrEt jd|}|s'|d d}d }d }T|d krb| d d krd }nF| d} | dd\} } | || <|d kr7|dddvr&tj|} ||| fVd}i}d}d}d }||z }|r|sttddS)ax Convert a PEM-encoded byte string into one or more DER-encoded byte strings :param pem_bytes: A byte string of the PEM-encoded data :raises: ValueError - when the pem_bytes do not appear to be PEM-encoded bytes :return: A generator of 3-element tuples in the format: (object_type, headers, der_bytes). The object_type is a unicode string of what is between "-----BEGIN " and "-----". Examples include: "CERTIFICATE", "PUBLIC KEY", "PRIVATE KEY". The headers is a dict containing any lines in the form "Name: Value" that are right after the begin line. zA pem_bytes must be a byte string, not %s trashrNFs1^(?:---- |-----)BEGIN ([A-Z0-9 ]+)(?: ----|-----)rrTr%:rbody:r)s-----s---- z| pem_bytes does not appear to contain PEM-encoded data - no BEGIN/END combination found )rr rrr splitlinesrematchgroupdecodersplitstripr b64decode ValueError) pem_bytesstater% base64_data object_type found_start found_endlinetype_name_match decoded_linenamevaluer$s r_unarmorrFps$ i * *   y ! !       EGKKKI$$U++& &  3;;  G  !h'[]abbO" )//2299'BBKKE  I  yy"$$#{{733 *00a88 e %   F??AaCy000",[99 "GY7777! "   4 K  i         rFcFt|}|st|S|S)a Convert a PEM-encoded byte string into a DER-encoded byte string :param pem_bytes: A byte string of the PEM-encoded data :param multiple: If True, function will return a generator :raises: ValueError - when the pem_bytes do not appear to be PEM-encoded bytes :return: A 3-element tuple (object_name, headers, der_bytes). The object_name is a unicode string of what is between "-----BEGIN " and "-----". Examples include: "CERTIFICATE", "PUBLIC KEY", "PRIVATE KEY". The headers is a dict containing any lines in the form "Name: Value" that are right after the begin line. )rFnext)r;multiple generators runarmorrKs+*##I I r)N)F)__doc__ __future__rrrrr r3sys_errorsr_typesr rr r version_info cStringIOr riorr+rFrKrrrUsSRRRRRRRRRRR >>>>>>>>>>d-------ZZZ.;;;;|Q Q Q hr