hash_hmac

<?php     static function generate($snapshot) {

        $hashKey = app('encrypter')->getKey();



        $checksum = hash_hmac('sha256', json_encode($snapshot), $hashKey);



        trigger('checksum.generate', $checksum, $snapshot);

<?php     public function createNewToken()

    {

        return hash_hmac('sha256', Str::random(40), $this->hashKey);

    }

<?php     public function generateAblySignature($channelName, $socketId, $userData = null)

    {

        return hash_hmac(

            'sha256',

            sprintf('%s:%s%s', $socketId, $channelName, $userData ? ':'.json_encode($userData) : ''),

            $this->getPrivateToken(),

        );

    }

<?php         $encodedUser = json_encode($user);

        $decodedString = "{$request->socket_id}::user::{$encodedUser}";



        $auth = $settings['auth_key'].':'.hash_hmac(

            'sha256', $decodedString, $settings['secret']

        );



        return [

            'auth' => $auth,

<?php     public static function create($cookieName, $key)

    {

        return hash_hmac('sha1', $cookieName.'v2', $key).'|';

    }

<?php     protected function hash($iv, $value, $key)

    {

        return hash_hmac('sha256', $iv.$value, $key);

    }

<?php         return new Cookie('laravel_maintenance', base64_encode(json_encode([

            'expires_at' => $expiresAt->getTimestamp(),

            'mac' => hash_hmac('sha256', $expiresAt->getTimestamp(), $key),

        ])), $expiresAt, config('session.path'), config('session.domain'));

    }

<?php         return is_array($payload) &&

            is_numeric($payload['expires_at'] ?? null) &&

            isset($payload['mac']) &&

            hash_equals(hash_hmac('sha256', $payload['expires_at'], $key), $payload['mac']) &&

            (int) $payload['expires_at'] >= Carbon::now()->getTimestamp();

    }

}

<?php         $key = call_user_func($this->keyResolver);



        return $this->route($name, $parameters + [

            'signature' => hash_hmac('sha256', $this->route($name, $parameters, $absolute), $key),

        ], $absolute);

    }

<?php         $original = rtrim($url.'?'.$queryString, '?');



        $signature = hash_hmac('sha256', $original, call_user_func($this->keyResolver));



        return hash_equals($signature, (string) $request->query('signature', ''));

    }

<?php         $canonical_request = "GET\n" . $encoded_uri . "\n" . $query_string . "\n" . $header_string . "\n" . $signed_headers_string . "\nUNSIGNED-PAYLOAD";

        $string_to_sign = $algorithm . "\n" . $time_text . "\n" . $scope . "\n" . hash('sha256', $canonical_request,

                false);

        $signing_key = hash_hmac('sha256', 'aws4_request',

            hash_hmac('sha256', 's3',

                hash_hmac('sha256', $AWSRegion,

                    hash_hmac('sha256', $date_text, 'AWS4' . $AWSSecretAccessKey, true),

                    true),

                true),

            true

        );

        $signature = hash_hmac('sha256', $string_to_sign, $signing_key);



        return 'https://' . $hostname . $encoded_uri . '?' . $query_string . '&X-Amz-Signature=' . $signature;

<?php         $string_to_sign = $algorithm . "\n" . $time_text . "\n" . $scope . "\n" . hash('sha256', $canonical_request,

                false);

        $signing_key = hash_hmac('sha256', 'aws4_request',

            hash_hmac('sha256', 's3',

                hash_hmac('sha256', $AWSRegion,

                    hash_hmac('sha256', $date_text, 'AWS4' . $AWSSecretAccessKey, true),

                    true),

                true),

            true

        );

        $signature = hash_hmac('sha256', $string_to_sign, $signing_key);

<?php                 false);

        $signing_key = hash_hmac('sha256', 'aws4_request',

            hash_hmac('sha256', 's3',

                hash_hmac('sha256', $AWSRegion,

                    hash_hmac('sha256', $date_text, 'AWS4' . $AWSSecretAccessKey, true),

                    true),

                true),

            true

        );

<?php         $signing_key = hash_hmac('sha256', 'aws4_request',

            hash_hmac('sha256', 's3',

                hash_hmac('sha256', $AWSRegion,

                    hash_hmac('sha256', $date_text, 'AWS4' . $AWSSecretAccessKey, true),

                    true),

                true),

            true

<?php                 true),

            true

        );

        $signature = hash_hmac('sha256', $string_to_sign, $signing_key);



        return 'https://' . $hostname . $encoded_uri . '?' . $query_string . '&X-Amz-Signature=' . $signature;

    }