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If the encryption system you are using is vulnerable to known plaintext or repetitive patterns, it is not a good encryption system.
Guardian: Better privacy and security for Android
Posted May 16, 2011 18:31 UTC (Mon) by dlang (✭ supporter ✭, #313)
and most encryption software compresses the data to be encrypted as well
Posted May 24, 2011 12:10 UTC (Tue) by robbe (subscriber, #16131)
Full-disk encryption does not usually compress.
Encrypting only "valuable" data is not a good solution IMO.
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