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Jul
16
awarded  Supporter
Jul
16
comment Signing 14 bytes of data
This is exactly as I did it. I include the identity of the receiving device in the "signed" message. Replaying/Reordering does not matter for the protocol I have.
Jul
12
awarded  Student
Jul
12
comment Signing 14 bytes of data
Yes. Your summary is correct.
Jul
12
comment Signing 14 bytes of data
Yes, I need a MAC. CMAC looks like I could implement it. Thank you!
Jul
12
comment Signing 14 bytes of data
This is supposed to be a signature. Which remains valid even if it is replayed.
Jul
12
asked Signing 14 bytes of data