ccrypt Secure encryption and decryption of files and streams _________________________________________________________________ This file contains instructions specific to the Windows distribution of ccrypt. Please see README and the man page for general information on usage etc. USAGE for Windows: ================== Please note that ccrypt is a *command line* program. It can only be run from the DOS prompt or from a shell. It is not the kind of program you run by double-clicking. INSTALLATION for Windows: ========================= Download the file ccrypt-XXX.cygwin-x86.zip, and unpack it using your favorite tool. Often, double-clicking on the archive will allow you to extract the contents. The windows distribution includes an executable file ccrypt.exe, and a dynamically linked library cygwin1.dll. You need to put both ccrypt.exe and cygwin1.dll in a place where Windows can find them. One such place is C:\Windows. If you already have a different version of cygwin installed, you cannot use this binary unless you up/downgrade to the version of cygwin that comes with the ccrypt distribution. However, there should be no problem re-compiling ccrypt under your version of cygwin. The default executable file is called ccrypt.exe. You should also create files ccencrypt.exe, ccdecrypt.exe, and ccat.exe in the same directory. These files are identical to ccrypt.exe, but when ccrypt is invoked by one of these filenames, its default behavior changes. Under Windows, the most fool-proof solution is to make four copies of ccrypt.exe and rename them appropriately. RUNNING: ================================================== For non-Windows specific usage information, see the file README. Ccrypt on Windows runs in much the same way as under Linux and other Unix-like operating systems, due to the amazing magic of cygwin (http://sources.redhat.com/cygwin/), which simulates a Unix environment under Windows. Note on wildcards: The following command line does not work as expected under Windows: ccrypt h:\data\*.* However, each of the following two commands will work as it should: ccrypt h:\data\file.txt ccrypt h:/data/*.* I am not sure what causes this behavior. Apparently an inconsistency between backslash conversion and wildcard expansion.