3/22/2023 0 Comments Truecrypt keyfile![]() Also, the password does not grow by 1MB for every file you add. It doesn't make things harder beyond (possibly) a small factor. No matter what the password is, the complexity of the technique does not change. It would make the password longer and appear to be more random, but as far as cryptanalysis go does not really complicate things.For example, the two most effective techniques in breaking AES and triple DES (differential cryptanalysis, linear cryptanalysis) do so by finding bits in the password. Nothing in my list mentioned making the encryption stronger. ![]() Of course it won't help if you have a rootkit or screen spying software on, but it would against basic key loggers#3 users that don't want a password at all, good for light security such as hiding pr0n from the wife (just hope she doesn't delete your keyfile!) These are all changes in the protocol for using these ciphers, but it does not change the way cryptanalysis would be performed.It would be useful in the sense that it will be harder to obtain the password by using educated guesses, social engineering, or other techniques which don't deal with actual cryptography.As far as making the actual encryption stronger, it doesn't do much at all. Quote:Originally posted by Citrus538:quote:Originally posted by djdementia:Citrus538: I belive the main reasons to use KeyFiles from a Cryptography perspective is for #1 casual use users that do not use extremely long / random passwords#2 to increase security against keyloggers. Quote:Originally posted by djdementia:Citrus538: I belive the main reasons to use KeyFiles from a Cryptography perspective is for #1 casual use users that do not use extremely long / random passwords#2 to increase security against keyloggers. Of course it won't help if you have a rootkit or screen spying software on, but it would against basic key loggers#3 users that don't want a password at all, good for light security such as hiding pr0n from the wife (just hope she doesn't delete your keyfile!) Therefore, it is possible to use, for example, five files in yourlarge mp3 collection as TrueCrypt keyfiles (and inspection of the files will not reveal that they areused as keyfiles).WARNING: If you lose a keyfile or if any bit of the first 1024 kilobytes of the keyfile is corrupted, itwill not be possible to mount any volume that uses the keyfile!Citrus538: I belive the main reasons to use KeyFiles from a Cryptography perspective is for #1 casual use users that do not use extremely long / random passwords#2 to increase security against keyloggers. ![]() Note that TrueCryptnever modifies the keyfile contents. However,we recommend that you prefer compressed files, such as. From the manual:Any kind of file (for example. ![]() It definately does look at the contents of the file, but only a portion.
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