Tuesday, July 31, 2007

class note

prim number is divided by itself or 1
relativley prime
modualar
find the additive inverse 22 mod 47
find the additive inverse 12 mod 100

multiplicative inverse of
9 mod (10)
17 mod (23)

Homework:
from the net research: ECB electronic code book - CBC - one round of DES - RSA

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