SHA3-SHAKE

Native PHP implementation of the SHA3-SHAKE (KECCAK) algorithm.

This library is PSR-4 compatible and can be installed via PHP's dependency manager Composer.

composer require danielburger1337/sha3-shake

This library requires a 64-bit version of PHP.

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Why does this library exist ?

Since version ^7.1 the SHA3 algorithm is nativly supported by PHP via the hash function. However, the SHAKE128 and SHAKE256 variants are not supported.

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How To Use

The library exposes two public static method for both shake versions. See the PHPDoc annotation for more information about the arguments.

<?php
    use danielburger1337\SHA3Shake\SHA3Shake;

    SHA3Shake::shake128('This is a test string.', 64);
    // 041b3634a7b103979e4c7e100cdc6ec19e3541b15633657ebae4bb7dd9aca0dc

    SHA3Shake::shake256('This is a test string.', 64);
    // ec31f7a681a317a276b844e22e3e777834c5de311816d70329d5c8054846946b

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Sources

This library uses a modified implementation from the abandoned bb/php-sha3 package.