迪菲－赫尔曼密钥交换(Diffie–Hellman)算法原理和PHP实现版_PHP教程

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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_computeKey = $alice->computeSecretKey($bob_pubKey)->getSharedSecretKey();

$bob_computeKey = $bob->computeSecretKey($alice_pubKey)->getSharedSecretKey();

echo "{$alice_pubKey}-{$bob_pubKey}-{$alice_computeKey}-{$bob_computeKey}"; //78-534-117-117