<?php
declare(strict_types=1);
namespace ParagonIE\Paserk\Operations;
use ParagonIE\Paserk\Operations\Key\{
SealingPublicKey,
SealingSecretKey
};
use ParagonIE\Paseto\Keys\SymmetricKey;
use ParagonIE\Paseto\ProtocolInterface;
/**
* Class PKEInterface
* @package ParagonIE\Paserk\Operations
*/
interface PKEInterface
{
/**
* @return string
*/
public static function header(): string;
/**
* @return ProtocolInterface
*/
public static function getProtocol(): ProtocolInterface;
/**
* @param SymmetricKey $ptk
* @param SealingPublicKey $pk
* @return string
*/
public function seal(SymmetricKey $ptk, SealingPublicKey $pk): string;
/**
* @param string $header
* @param string $encoded
* @param SealingSecretKey $sk
* @return SymmetricKey
*/
public function unseal(string $header, string $encoded, SealingSecretKey $sk): SymmetricKey;
}
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