boinc/doc/tools_security.html

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<h3>Security tools</h3>
<p>
The program <b>lib/crypt_prog</b> can be used for several purposes:
<br>
<br>
<b>-genkey n private_keyfile public_keyfile</b>
<br>
Create a key pair with n bits (always use 1024).
Write the keys in encoded ASCII form to the indicated files.
<br>
<b>-sign file private_keyfile</b>
<br>
Create a digital signature for the given file.
Write it in encoded ASCII to stdout.
<br>
<b>-verify file signature_file public_keyfile</b>
<br>
Verify a signature for the given file.
<br>
<b>-test_crypt private_keyfile public_keyfile</b>
<br>
Perform an internal test, checking that encryption
followed by decryption works.