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https://github.com/Sneed-Group/Poodletooth-iLand
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38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
from Crypto.Cipher import AES
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from Crypto import Random
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import base64
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import os
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# the block size for the cipher object; must be 16, 24, or 32 for AES
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BLOCK_SIZE = 16
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# the character used for padding--with a block cipher such as AES, the value
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# you encrypt must be a multiple of BLOCK_SIZE in length. This character is
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# used to ensure that your value is always a multiple of BLOCK_SIZE
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PADDING = '{'
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# one-liner to sufficiently pad the text to be encrypted
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pad = lambda s: s + (BLOCK_SIZE - len(s) % BLOCK_SIZE) * PADDING
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# one-liners to encrypt/encode and decrypt/decode a string
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# encrypt with AES, encode with base64
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EncodeAES = lambda c, s: base64.b64encode(c.encrypt(pad(s)))
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DecodeAES = lambda c, e: c.decrypt(base64.b64decode(e)).rstrip(PADDING)
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# generate a random secret key
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secret = os.urandom(BLOCK_SIZE)
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# create a cipher object using the random secret
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cipher = AES.new( secret, AES.MODE_CBC, secret )
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# encode a string
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encoded = EncodeAES(cipher, 'ttsrpclib691256')
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print 'Encrypted string:', encoded
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# decode the encoded string
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decoded = DecodeAES(cipher, encoded)
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print 'Decrypted string:', decoded
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