FM / Signature

/home/techb158/ileadtechnology.com/vendor/aws/aws-sdk-php/src/Signature/

/home/techb158/ileadtechnology.com/vendor/aws/aws-sdk-php/src/Signature

Name	Size	Mode	Actions
AnonymousSignature.php	667	0644	edit dl rm
S3SignatureV4.php	2611	0644	edit dl rm
SignatureInterface.php	1422	0644	edit dl rm
SignatureProvider.php	5112	0644	edit dl rm
SignatureTrait.php	1321	0644	edit dl rm
SignatureV4.php	19798	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/vendor/aws/aws-sdk-php/src/Signature/SignatureTrait.php (1321B)

<?php
namespace Aws\Signature;

/**
 * Provides signature calculation for SignatureV4.
 */
trait SignatureTrait
{
    /** @var array Cache of previously signed values */
    private $cache = [];

/** @var int Size of the hash cache */
    private $cacheSize = 0;
    
    private function createScope($shortDate, $region, $service)
    {
        return "$shortDate/$region/$service/aws4_request";
    }

private function getSigningKey($shortDate, $region, $service, $secretKey)
    {
        $k = $shortDate . '_' . $region . '_' . $service . '_' . $secretKey;

if (!isset($this->cache[$k])) {
            // Clear the cache when it reaches 50 entries
            if (++$this->cacheSize > 50) {
                $this->cache = [];
                $this->cacheSize = 0;
            }

$dateKey = hash_hmac(
                'sha256',
                $shortDate,
                "AWS4{$secretKey}",
                true
            );
            $regionKey = hash_hmac('sha256', $region, $dateKey, true);
            $serviceKey = hash_hmac('sha256', $service, $regionKey, true);
            $this->cache[$k] = hash_hmac(
                'sha256',
                'aws4_request',
                $serviceKey,
                true
            );
        }
        return $this->cache[$k];
    }
}

cache[$k])) { // Clear the cache when it reaches 50 entries if (++$this->cacheSize > 50) { $this->cache = []; $this->cacheSize = 0; } $dateKey = hash_hmac( 'sha256', $shortDate, "AWS4{$secretKey}", true ); $regionKey = hash_hmac('sha256', $region, $dateKey, true); $serviceKey = hash_hmac('sha256', $service, $regionKey, true); $this->cache[$k] = hash_hmac( 'sha256', 'aws4_request', $serviceKey, true ); } return $this->cache[$k]; } }