void _des_crypt_decrypt?
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(07-05-2016, 08:56 AM)atom Wrote: In DES, for decrypt, you just access the sboxes in reverse. See http://www.scs.stanford.edu/histar/src/p...rypt/des.c how it handles de_keysl[] and en_keysl[]

Winner winner chicken diner! Smile

I was not aware of the reverse S boxes part. I've implemented '_des_decrypt_keysetup' with reverse filling of the Kc and Kd arrays and works like a charm.

Thanks for your reply!

John


Messages In This Thread
void _des_crypt_decrypt? - by John Doe - 07-04-2016, 11:58 PM
RE: void _des_crypt_decrypt? - by atom - 07-05-2016, 08:15 AM
RE: void _des_crypt_decrypt? - by John Doe - 07-05-2016, 08:43 AM
RE: void _des_crypt_decrypt? - by atom - 07-05-2016, 08:56 AM
RE: void _des_crypt_decrypt? - by John Doe - 07-09-2016, 01:17 AM