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code does not contain any security flaw or secret ‘backdoor’. Can they also verify that the 
official executable files were built from the published source code and contain no additional 
code? 
 
Yes, they can. In addition to reviewing the source code, independent researchers can compile the 
source code and compare the resulting executable files with the official ones. They may find some 
differences (for example, timestamps or embedded digital signatures) but they can analyze the 
differences and verify that they do not form malicious code. 
 
 
How can I use TrueCrypt on a USB flash drive?
 
You have two options:
 
1) Encrypt the entire USB flash drive. However, you will not be able run TrueCrypt from the 
USB flash drive. 
Note: Windows does not support multiple partitions on USB flash drives.
 
2) Create a TrueCrypt file container on the USB flash drive (for information on how to do so, 
see the chapter Beginner’s Tutorial). If you leave enough space on the USB flash drive 
(choose an appropriate size for the TrueCrypt container), you will also be able to store 
TrueCrypt on the USB flash drive (along with the container – not in the container) and you 
will be able to run TrueCrypt from the USB flash drive (see also the chapter Portable 
Mode). 
 
 
 
 

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Does TrueCrypt also encrypt file names and folder names?  
 
Yes. The entire file system within a TrueCrypt volume is encrypted (including file names, folder 
names, and contents of every file). This applies to both types of TrueCrypt volumes – i.e., to file 
containers (virtual TrueCrypt disks) and to TrueCrypt-encrypted partitions/devices.