File: src/Curve25519/MontgomeryPublicKey.php

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File: src/Curve25519/MontgomeryPublicKey.php
Role: Class source
Content type: text/plain
Description: Class source
Class: Easy PHP ECC
Encrypt, decrypt and sign messages with PHPECC
Author: By
Last change:
Date: 2 months ago
Size: 1,804 bytes
 

Contents

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<?php
declare(strict_types=1);
namespace
ParagonIE\EasyECC\Curve25519;

use
Mdanter\Ecc\Crypto\Key\PublicKeyInterface;
use
Mdanter\Ecc\Primitives\CurveFpInterface;
use
Mdanter\Ecc\Primitives\GeneratorPoint;
use
Mdanter\Ecc\Primitives\PointInterface;
use
ParagonIE\ConstantTime\Binary;
use
ParagonIE\EasyECC\Exception\NotImplementedException;

/**
 * Class MontgomeryPublicKey
 * @package ParagonIE\EasyECC\Curve25519
 */
class MontgomeryPublicKey implements PublicKeyInterface
{
   
/** @var string $publicKey */
   
protected $publicKey;

   
/**
     * EdwardsSecretKey constructor.
     *
     * @param string $keyMaterial
     * @throws \SodiumException
     */
   
public function __construct(string $keyMaterial)
    {
        if (
Binary::safeStrlen($keyMaterial) === SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES) {
           
$this->publicKey = $keyMaterial;
        } else {
            throw new \
SodiumException('Invalid secret key provided');
        }
    }

   
/**
     * @return string
     */
   
public function getAsString(): string
   
{
        return
$this->publicKey;
    }

   
/**
     * @return CurveFpInterface
     * @throws NotImplementedException
     */
   
public function getCurve(): CurveFpInterface
   
{
        throw new
NotImplementedException('This is not part of the curve25519 interface');
    }

   
/**
     * @return PointInterface
     * @throws NotImplementedException
     */
   
public function getPoint(): PointInterface
   
{
        throw new
NotImplementedException('This is not part of the curve25519 interface');
    }

   
/**
     * @return GeneratorPoint
     * @throws NotImplementedException
     */
   
public function getGenerator(): GeneratorPoint
   
{
        throw new
NotImplementedException('This is not part of the curve25519 interface');
    }
}

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