Hi! The CC2420 security extensions should be able to properly tolerate any sizes that are smaller than the TXFIFO size (128B). There is no need for the user to fragment the messages as long as the TinyOS packet can deal with the packet size.
-John On Dec 9, 2009, at 2:14 AM, trilok i wrote: > > Hi John, > > Aes takes 128(16B), 192(24B), 256(32B) bit messages as input and gives 128 > bit encrypted output but if the plaintext size is more than what actual input > is to be given to AES ( say 19bytes ) then what the user should do? > > 1. wheather the user himself has to split the plaintext message into AES > input bytes and then > send each 16B of encrypted message to receiver . > > > > > > http://windows.microsoft.com/shop Find the right PC for you. ------ JeongGil Ko (John) Ph.D. Student Department of Computer Science Johns Hopkins University http://www.cs.jhu.edu/~jgko
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