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<?php
declare(strict_types=1);
/*
* The MIT License (MIT)
*
* Copyright (c) 2014-2018 Spomky-Labs
*
* This software may be modified and distributed under the terms
* of the MIT license. See the LICENSE file for details.
*/
namespace Jose\Component\Core\Util;
/**
* @internal
*/
class Hash
{
/**
* Hash Parameter.
*
* @var string
*/
private $hash;
/**
* Hash Length.
*
* @var int
*/
private $length;
/**
* @return Hash
*/
public static function sha1(): self
{
return new self('sha1', 20);
}
/**
* @return Hash
*/
public static function sha256(): self
{
return new self('sha256', 32);
}
/**
* @return Hash
*/
public static function sha384(): self
{
return new self('sha384', 48);
}
/**
* @return Hash
*/
public static function sha512(): self
{
return new self('sha512', 64);
}
private function __construct(string $hash, int $length)
{
$this->hash = $hash;
$this->length = $length;
}
public function getLength(): int
{
return $this->length;
}
/**
* Compute the HMAC.
*/
public function hash(string $text): string
{
return \hash($this->hash, $text, true);
}
public function name(): string
{
return $this->hash;
}
}
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