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kaya-rekey: Binary key regeneration for kaya web applications

kaya-rekey - Binary key regeneration for kaya web applications
kaya-rekey FILE1 [FILE2 [...]]


kaya-rekey gives all Kaya binaries specified on the command line a new application secret key The application secret key makes webapps and CGI programs secure, by encrypting the state transfers. If you receive a webapp or CGI binary from someone else, or you believe someone untrusted has had read access to your binary, you can use the kaya-rekey application to generate a new application secret key without needing a recompile. Binary distributors of Kaya applications are strongly recommended to use 'kaya-rekey' as part of the installation process. Prior to Kaya 0.3.0 this utility was called rekey


The latest release of Kaya can be obtained from <//kayalang.org/download> Development versions can be obtained using darcs(1) from <//kayalang.org/darcs/>


kaya-rekey will use /dev/random to generate the new key if possible. If /dev/random is unavailable (Windows without MinGW, for example), the new key will be generated pseudo-randomly. This may allow an attacker to easily guess the new key. In environments where security is a concern, therefore, we strongly recommend recompiling with kayac(1) rather than using kaya-rekey if /dev/random is unavailable. kaya-rekey will give a warning when rekeying if /dev/random is unavailable.


Please report bugs in kaya-rekey to <kaya@kayalang.org> kaya-rekey cannot rekey Kaya binaries generated with a compiler older than the switch to AES256 encryption (i.e. older than 0.2.0 final version) In rare cases, kaya-rekey may not be able to successfully rekey a file and will print an error instead. You must recompile in this case to get a new application key.
kaya-rekey is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2 or any later version) as published by the Free Software Foundation.
kayac(1) KAYA-REKEY(1)

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