home *** CD-ROM | disk | FTP | other *** search
/ Developer Source 13 / Developer Source Volume 13 (I-MODE Publications, Inc.)(1999).iso / DOBBS / 8C1 / prenf102.gif < prev    next >
Graphics Interchange Format  |  1999-03-17  |  43.0 KB  |  385x423  |  4-bit (16 colors)
   ocr: Plainteott 5 E. S Pal Ciphertext Figure 2: Tuo rounas ofthe DES the: most ramos bOcR cibher I bas the Feistel structure E denotes the. inear eNDAnStON of the, 32 iput bils to-18input bils, e denotes tbe bifwvise XOR wito the round laey, S IS the: nontinear substittation. and P Is Ihe bil, permutation.