📄 randomfns.xml
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<chapter><title>Randomness Functions</title><para>The first time PBC is asked to generate a random number,the library will try to open the file <filename>/dev/urandom</filename> as asource of random bits. If this fails, PBC falls back to a deterministicrandom number generator (which is of course completely useless forcryptography).</para><para>It is possible to change the file used for random bits. Also, explicitlyselecting the deterministic random number generator willsuppress the warning.</para><variablelist>&pbcrandom;</variablelist></chapter>
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