迪菲－赫尔曼密钥交换(Diffie–Hellman)算法原理和

<?php
include 'DiffieHellman.php';
 
/
    Alice: prime = 563
        generator = 5
        private key = 9
    Bob:  prime = 563
        generator = 5
        private key = 14
 /
 
$p = 563;
$g = 5;
$alice = new Crypt_DiffieHellman($p, $g, 9);
$alice_pubKey = $alice->generateKeys()->getPublicKey();
 
$bob = new Crypt_DiffieHellman($p, $g, 14);
$bob_pubKey = $bob->generateKeys()->getPublicKey();
 
$alice_puteKey = $alice->puteSecretKey($bob_pubKey)->getSharedSecretKey();
$bob_puteKey = $bob->puteSecretKey($alice_pubKey)->getSharedSecretKey();
 
echo "{$alice_pubKey}-{$bob_pubKey}-{$alice_puteKey}-{$bob_puteKey}"; //78-534-117-117