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File: src/Interfaces/KDFInterface.php

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File: src/Interfaces/KDFInterface.php
Role: Class source
Content type: text/plain
Description: Class source
Class: HPKE PHP
Encrypt and decrypt data using hybrid public keys
Author: By
Last change:
Date: 3 months ago
Size: 1,077 bytes
 

Contents

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<?php
declare(strict_types=1);
namespace ParagonIE\HPKE\Interfaces;

interface KDFInterface
{
    public function getKdfId(): string;
    public function getHashLength(): int;

    public function deriveBytes(
        #[\SensitiveParameter]
        string|SymmetricKeyInterface $ikm,
        #[\SensitiveParameter]
        string $info = '',
        #[\SensitiveParameter]
        string $salt = ''
    ): string;

    public function deriveSymmetricKey(
        #[\SensitiveParameter]
        string|SymmetricKeyInterface $ikm,
        #[\SensitiveParameter]
        string $info = '',
        #[\SensitiveParameter]
        string $salt = ''
    ): SymmetricKeyInterface;

    public function extract(
        #[\SensitiveParameter]
        string|SymmetricKeyInterface $ikm,
        #[\SensitiveParameter]
        ?string $salt = null
    ): string;

    public function expand(
        #[\SensitiveParameter]
        string|SymmetricKeyInterface $prk,
        #[\SensitiveParameter]
        string $info,
        #[\SensitiveParameter]
        int $length
    ): string;
}