o e @s.dZddlZddlmZddlZdddZdS)zUtility functions.N) OptionParserreturnc Cstddd}|jdddddd |jd d d dd d |jdddddd|jdddddd|tj\}}|jratd|j|jftjdt |jd }| }Wdn1s[wYntd|jtjdtj d}t |tksJt |tjj||j}tj|j|j}||j}|jrtd|j|jftjdt |jd}||WddS1swYdStd|jtjdtj|ddS) z=Reads a private key and outputs the corresponding public key.zusage: %prog [options]zReads a private key and outputs the corresponding public key. Both private and public keys use the format described in PKCS#1 v1.5)usage descriptionz-iz--input infilenamestringz1Input filename. Reads from stdin if not specified)desttypehelpz-oz--output outfilenamez2Output filename. Writes to stdout of not specifiedz--informinformz!key format of input - default PEM)PEMDERr )rr choicesdefaultz --outformoutformz"key format of output - default PEMz(Reading private key from %s in %s format)filerbNz+Reading private key from stdin in %s formatasciiz%Writing public key to %s in %s formatwbz)Writing public key to stdout in %s format)r add_option parse_argssysargvrprintr stderropenreadstdinencoder bytesrsakey PrivateKey load_pkcs1 PublicKeyne save_pkcs1rr writestdoutdecode) parserclicli_argsinfilein_datapriv_keypub_keyout_dataoutfiler53/usr/local/lib/python3.10/dist-packages/rsa/util.pyprivate_to_publicst   "r7)rN)__doc__roptparserrsa.keyr!r7r5r5r5r6s