Analysis of Common Python encryption module usage [MD5, sha, crypt module], pythoncrypt

Analysis of Common Python encryption module usage [MD5, sha, crypt module], pythoncrypt

This example describes the usage of common Python encryption modules. We will share this with you for your reference. The details are as follows:

1. md5 Module

md5.new([arg])Returns an md5 object. If a parameter is provided, it is equivalent to calling update (arg)
md5.update(arg)Use the string parameter arg to update the md5 object
md5.digest()Returns a 16-byte digest, which is generated by a string sent to update. The Digest does not contain ascii characters.
md5.hexdigest()Returns the abstract in hexadecimal format.

import md5a = md5.new('passwd')a.digest()  'v\xa2\x17;\xe692T\xe7/\xfaMm\xf1\x03\n'a.hexdigest()  '76a2173be6393254e72ffa4d6df1030a'a.update('hello world')a.digest()  '\xb2\x83f\xb8\x14\xc9\xc6\x19k\x01\xfe\xd8\xd9\x8f\xe0H'a.hexdigest()  'b28366b814c9c6196b01fed8d98fe048'

2. sha Module

Same as md5

import shab=sha.new('passwd')b.digest() "0'LG\x90;\xd1\xba\xc7c;\xbf\tt1I\xeb\xab\x80_"b.hexdigest() '30274c47903bd1bac7633bbf09743149ebab805f'b.update('hello')b.digest() 'c\xc19\xb4]YGz\x85\xe8C\x8fF\xfe\x9e\xc3|\xb16\xba'b.hexdigest() '63c139b45d59477a85e8438f46fe9ec37cb136ba

3. crypt

In the crypt module, there is a function, crypt (str, salt) --> string

from crypt import cryptcrypt('passwd','a') 'aaIslqfNH03LA'crypt('passwd','abc') 'ab8RogIKnX0og'crypt('passwd','a') 'aaIslqfNH03LA'

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