I am just wondering if there are any Python libraries out there that can help me implement DES. Maybe ones that can generate the sub keys or apply permutations.
Thanks.
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DES is pretty much broken, so hopefully your only trying that for educational purpose? – schlenk Dec 08 '13 at 21:41
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Yes this is totally for educational purposes. – user3080860 Dec 08 '13 at 22:07
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The pycrypto library is the de-facto encryption library for python. It supports encryption and decryption of DES blocks, however DES only supports passwords of 7 bytes in length, and is considered obsolete and insecure. You're better off using a newer encryption standard like AES.
speedplane
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Hi, It needs to be DES encryption. As you said the pycrypto library only supports simplified DES. – user3080860 Dec 08 '13 at 22:06
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`pycrypto` supports the full DES encryption algorithm. I never said it only supports simplified DES. – speedplane Dec 09 '13 at 12:14