ärVïã@sädZddlmZmZmZmZddlZddlZddlZddl m Z ddl m Z m Z mZejdkršddlmZndd lmZd d „Zdd d „Zdd„Zddd„ZdS)zq Encoding DER to PEM and decoding PEM to DER. Exports the following items: - armor() - detect() - unarmor() é)Úunicode_literalsÚdivisionÚabsolute_importÚprint_functionNé)Úunwrap)Ú type_nameÚstr_clsÚbyte_clsé)ÚStringIO)ÚBytesIOcCsRt|tƒs*ttdt|ƒƒƒ‚|jdƒdkpQ|jdƒdkS)zð 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 -----BEGINrs ---- BEGINéÿÿÿÿr)Ú isinstancer Ú TypeErrorrrÚfind)Z byte_string©rú0/usr/lib/python3/dist-packages/asn1crypto/pem.pyÚdetects rcCsŸt|tƒs+ttd||ƒƒƒ‚t|tƒsUttd||ƒƒƒ‚|jƒjdƒ}tƒ}|jdƒ|j|ƒ|jdƒ|rxX|D]P}|j|jdƒƒ|jdƒ|j||jdƒƒ|jdƒq§W|jdƒt j |ƒ}t |ƒ}d}xB||krm|j|||d …ƒ|jdƒ|d 7}q,W|jd ƒ|j|ƒ|jdƒ|j ƒS) a  Armors a DER-encoded byte string in PEM :param der_bytes: A byte string to be armored :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 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 Úasciis -----BEGIN s----- s: s ré@s -----END ) rr rrr ÚupperÚencoder ÚwriteÚbase64Z b64encodeÚlenÚgetvalue)rÚ der_bytesÚheadersÚoutputÚkeyZ b64_bytesZb64_lenÚirrrÚarmor2s<            r"c cs·t|tƒs*ttdt|ƒƒƒ‚d}i}d}d}d}d}xB|jdƒD]1}|dkrsq^|dkrÁtjd|ƒ}|sšq^|jdƒj dƒ}d }d }q^|d kr%|j d ƒdkrëd }n:|j dƒ} | j d dƒ\} } | j ƒ|| s"    > T