Pastable version of Custom blowfish IRC implementation

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 <pre class="sunburst"># -*- coding: utf-8 -*-
'''
Description: Blowfish with custom base64 obfuscation. 
Version: 0.1
Author: Domen &quot;iElectric&quot; Kožar &lt;domen@dev.si&gt;
'''

from Crypto.Cipher import Blowfish

B64 = &quot;./0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ&quot;

def _i(s, n):
 try:
 return s[n]
 except:
 return '\x00'

def bytetoB64(s):
 r = ''
 k = -1

while (k &lt; len(s) - 1):
 k += 1
 left = (ord(_i(s,k)) &lt;&lt; 24)
 k += 1
 left += (ord(_i(s,k)) &lt;&lt; 16)
 k += 1
 left += (ord(_i(s,k)) &lt;&lt; 8)
 k += 1
 left += ord(_i(s,k))

k += 1
 right = (ord(_i(s,k)) &lt;&lt; 24)
 k += 1
 right += (ord(_i(s,k)) &lt;&lt; 16)
 k += 1
 right += (ord(_i(s,k)) &lt;&lt; 8)
 k += 1
 right += ord(_i(s,k))

def B64tobyte(s):
 r = ''
 k = -1

while (k &lt; len(s) -1):
 left = 0
 right = 0
 
 for i in range(0,6):
 k += 1
 try:
 right |= B64.index(s[k]) &lt;&lt; (i*6)
 except:
 pass

for i in range(0,6):
 k += 1
 try:
 left |= B64.index(s[k]) &lt;&lt; (i*6)
 except:
 pass
 for i in range(0,4):
 r += chr((left &amp; (0xFF &lt;&lt; ((3 - i) * 8))) &gt;&gt; ((3 - i) * 8))

def encrypt(data, key):
 obj = Blowfish.new(key)
 for i in range(0, (8 - len(data) % 8)):
 data += chr(0)
 return bytetoB64(obj.encrypt(data))

def decrypt(data, key):
 obj = Blowfish.new(key)
 return obj.decrypt(B64tobyte(data)).replace(chr(0), &quot;&quot;)

if __name__ == '__main__':
 print &quot;Text: foobar_foobar&quot;
 print &quot;Encrypted: &quot; + encrypt('foobar_foobar', '1337')
 print &quot;Decrypted: &quot; + decrypt(encrypt('foobar_foobar', '1337'), '1337')
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Refactor :my => 'code'

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Pastable version of Custom blowfish IRC implementation