Annotated edit history of
mcookie(1) version 4, including all changes.
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perry |
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MCOOKIE |
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!!!MCOOKIE |
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NAME |
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SYNOPSIS |
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DESCRIPTION |
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BUGS |
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FILES |
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SEE ALSO |
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---- |
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!!NAME |
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mcookie - generate magic cookies for xauth |
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!!SYNOPSIS |
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__mcookie [[-v] [[-f__ ''filename'' |
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__]__ |
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!!DESCRIPTION |
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__mcookie__ generates a 128-bit random hexadecimal number |
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for use with the X authority system. Typical |
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usage: |
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xauth add :0 . `mcookie` |
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The |
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-f__ is specified), and several bytes of information |
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from the first of the following devices which is present: |
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''/dev/random'', ''/dev/urandom'', files in |
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''/proc'', ''/dev/audio''. |
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!!BUGS |
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The entropy in the generated 128-bit is probably quite small |
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(and, therefore, vulnerable to attack) unless a |
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non-pseudorandom number generator is used (e.g., |
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''/dev/random'' under Linux). |
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It is assumed that none of the devices opened will |
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block. |
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!!FILES |
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''/dev/random |
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/dev/urandom |
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/dev/audio |
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/proc/stat |
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/proc/loadavg'' |
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!!SEE ALSO |
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X(1), xauth(1), __md5sum__(1) |
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