/**
* Generates an uncompressed and compressed EC public key.
*
* @param \Bitpay\PrivateKey $privateKey
* @return \Bitpay\PublicKey
* @throws \Exception
*/
public function generate(PrivateKey $privateKey = null)
{
if ($privateKey instanceof PrivateKey) {
$this->setPrivateKey($privateKey);
}
if (!empty($this->hex)) {
return $this;
}
if (is_null($this->privateKey)) {
throw new \Exception('Please `setPrivateKey` before you generate a public key');
}
if (!$this->privateKey->isGenerated()) {
$this->privateKey->generate();
}
if (!$this->privateKey->isValid()) {
throw new \Exception('Private Key is invalid and cannot be used to generate a public key');
}
$point = new Point('0x' . substr(Secp256k1::G, 2, 64), '0x' . substr(Secp256k1::G, 66, 64));
$R = Util::doubleAndAdd('0x' . $this->privateKey->getHex(), $point);
$RxHex = Util::encodeHex($R->getX());
$RyHex = Util::encodeHex($R->getY());
$RxHex = str_pad($RxHex, 64, '0', STR_PAD_LEFT);
$RyHex = str_pad($RyHex, 64, '0', STR_PAD_LEFT);
$this->x = $RxHex;
$this->y = $RyHex;
$this->hex = sprintf('%s%s', $RxHex, $RyHex);
$this->dec = Util::decodeHex($this->hex);
return $this;
}
/**
* @param RequestInterface $request
* @throws \Exception
*/
protected function addSignatureHeader(RequestInterface $request)
{
if (null === $this->privateKey) {
throw new \Exception('Please set your Private Key');
}
if (true == property_exists($this->network, 'isPortRequiredInUrl')) {
if ($this->network->isPortRequiredInUrl === true) {
$url = $request->getUriWithPort();
} else {
$url = $request->getUri();
}
} else {
$url = $request->getUri();
}
$message = sprintf('%s%s', $url, $request->getBody());
$signature = $this->privateKey->sign($message);
$request->setHeader('x-signature', $signature);
}
public function createBitPayKeys()
{
if (_BIT_PAY_PRODUCTION_) {
$privateKey = new Bitpay\PrivateKey('/tmp/bitpay.pri');
} else {
$privateKey = new Bitpay\PrivateKey('/tmp/bitpaydev.pri');
}
$privateKey->generate();
if (_BIT_PAY_PRODUCTION_) {
$publicKey = new Bitpay\PublicKey('/tmp/bitpay.pub');
} else {
$publicKey = new Bitpay\PublicKey('/tmp/bitpaydev.pub');
}
$publicKey->setPrivateKey($privateKey);
$publicKey->generate();
$storageEngine = new Bitpay\Storage\FilesystemStorage();
$storageEngine->persist($privateKey);
$storageEngine->persist($publicKey);
}
*
* 001 - Generate and Persist Keys
*
* Requirements:
* - Basic PHP knowledge
*/
// If you have not already done so, please run `composer.phar install`
require __DIR__ . '/../../vendor/autoload.php';
/**
* Start by creating a PrivateKey object
*/
$privateKey = new \Bitpay\PrivateKey('/tmp/bitpay.pri');
// Generate a random number
$privateKey->generate();
// You can generate a private key with only one line of code like so
$privateKey = \Bitpay\PrivateKey::create('/tmp/bitpay.pri')->generate();
// NOTE: This has overridden the previous $privateKey variable, although its
// not an issue in this case since we have not used this key for
// anything yet.
/**
* Once we have a private key, a public key is created from it.
*/
$publicKey = new \Bitpay\PublicKey('/tmp/bitpay.pub');
// Inject the private key into the public key
$publicKey->setPrivateKey($privateKey);
// Generate the public key
$publicKey->generate();
// NOTE: You can again do all of this with one line of code like so:
// `$publicKey = \Bitpay\PublicKey::create('/tmp/bitpay.pub')->setPrivateKey($privateKey)->generate();`
/**
* Now that you have a private and public key generated, you will need to store