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Cryptography

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  • $\begingroup$ small is = ? please provide the value. AES-CTR mode of operation $\endgroup$ Commented Oct 12, 2018 at 21:30
  • $\begingroup$ The counter ever starts again, the next day? What is the bit size for the counter? What is one block length? is it Block cipher block as 128-bit? $\endgroup$ Commented Oct 13, 2018 at 17:50
  • $\begingroup$ The counter is 32 bit., each packet is sent once a second, and the counter is incremented then. Will count continuously, and never reset. The block is either AES128 or AES256. Didn't decide yet. but probably 128. I don't need much data to be sent. $\endgroup$ Commented Oct 13, 2018 at 18:14
  • $\begingroup$ $2^{32}$ seconds is 136.102208 years. AES is 128-bit block size cipher. 128, 192, and 256 are keys sizes. $\endgroup$ Commented Oct 13, 2018 at 18:29