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rugk 2016-08-24 17:33:03 +02:00
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## I get the error "There is no suitable CSPRNG installed on your system"
This error means you do not have a secure cryptographic random number generator installed on your system. This is however required by PrivateBin for security reasons.
Have a look at the [requirements list](https://github.com/PrivateBin/PrivateBin/wiki/Installation#requirements) to see what you are missing.
If you think you have at least one secure PRNG installed you can use the following test script to check which secure PRNG you actually support:
```php
echo '<pre>PHP version used: ', PHP_VERSION, PHP_EOL,
'extension libsodium is loaded: ',
(extension_loaded('libsodium') ? 'true' : 'false'), PHP_EOL,
'/dev/urandom exists and is readable: ',
(is_readable('/dev/urandom') ? 'true' : 'false'), PHP_EOL,
'extension mcrypt is loaded: ',
(extension_loaded('mcrypt') ? 'true' : 'false'), PHP_EOL,
'function mcrypt_create_iv exists: ',
(function_exists('mcrypt_create_iv') ? 'true' : 'false'), PHP_EOL,
'extension com_dotnet is loaded: ',
(extension_loaded('com_dotnet') ? 'true' : 'false'), '</pre>';
```