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Example code of lucapuddu/php-provably-fair

Informations about the package php-provably-fair

Php Provably Fair

Latest Version on Packagist Total Downloads

This library provides functions to generate and verify provably fair games.

Installation

Via Composer

The algorithm

Parameters values used in this example

Steps

  1. A hexadecimal string of variable length (depending on the algorithm used) is computed with hash_hmac. The function uses the $serverSeed as key, and the $clientSeed and $nonce as data, concatenated with an hyphen:

  2. $output1 is then scaled to a number from 0 to 1, by converting it to an integer number and then dividing it by the maximum result possible (which is equal to 16 ^ length of $output1)

  3. $output2 is scaled accordingly to min and max:

  4. The result is returned.

Usage

Create a ProvablyFair Object

Default values

Get the full list of supported algorithms here.

Roll a number

Verify a roll

Security

If you discover any security related issues, please use the issue tracker on github or email me at infoatlucapuddu.com

Authors

License

MIT. Please see the license file for more information.

All versions of php-provably-fair with dependencies

PHP Build Version
Package Version
Requires php Version ^7.2|^8.0
ext-bcmath Version *
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