# Random The `Xmf\Random` class produces random strings for use as tokens or keys. All methods may throw an `\Exception` if a suitable random number cannot be generated. See the [random\_bytes()](http://php.net/manual/en/function.random-bytes.php) documentation for more information. ## generateOneTimeToken() Return a hashed random number suitable for use as a one time token. ## generateKey() Return a hashed random number suitable for use as a medium strength key. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://xoops.gitbook.io/xmf-cookbook/reference/random.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.