Changes

==Advantages==

==Advantages==

*Brute-force attacks are made much more difficult (a keyfile can contain thousands, millions, or even billions of characters--a much harder code to break than a simple password)  

*Brute-force attacks are made much more difficult (a keyfile can contain thousands, millions, or even billions of characters—a much harder code to break than a simple password)  

*Dictionary attacks are rendered useless

*Dictionary attacks are rendered useless

*Allows for multi-user shared access.  Multiple people can have a unique "key" which permits certain tasks but can also restrict others.<ref name="truecrypt71a.com">https://www.truecrypt71a.com/documentation/keyfiles</ref>

*Allows for multi-user shared access.  Multiple people can have a unique "key" which permits certain tasks but can also restrict others.<ref name="truecrypt71a.com"/>

*A smartcard can be created containing a keyfile, so the physical card is needed to unlock data

*A smartcard can be created containing a keyfile, so the physical card is needed to unlock data