currently I use the DES from this library for Arduino (https://github.com/Octoate/ArduinoDES).
But this library is only working with 8-byte of input.
So the question is how can I make this library working with my input of 16 bytes? Is there any ways?
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user3600668
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Call it twice? DES inherently works on one 8 byte block at a time. – Alan Stokes May 05 '14 at 13:23
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You might want to look up the different ways (modes) of using block ciphers - ECB, CBC, etc. – Alan Stokes May 05 '14 at 13:24
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can ECB work with 16-byte input? – user3600668 May 06 '14 at 01:07