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Encryption key just uses Defuse\Crypto now, no key based crypto

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This commit is contained in:
Alex Bilbie 2017-07-01 18:07:42 +01:00
parent 7953f27b38
commit 0f73bf0054
1 changed files with 6 additions and 88 deletions
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94
src/CryptTrait.php
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@ -1,11 +1,9 @@
<?php
/**
* Public/private key encryption.
*
* @author Alex Bilbie <hello@alexbilbie.com>
* @copyright Copyright (c) Alex Bilbie
* @license http://mit-license.org/
*
* @link https://github.com/thephpleague/oauth2-server
*/
@ -15,80 +13,26 @@ use Defuse\Crypto\Crypto;
trait CryptTrait
{
/**
* @var CryptKey
*/
protected $privateKey;
/**
* @var CryptKey
*/
protected $publicKey;
/**
* @var string
*/
protected $encryptionKey;
/**
* Set path to private key.
*
* @param CryptKey $privateKey
*/
public function setPrivateKey(CryptKey $privateKey)
{
$this->privateKey = $privateKey;
}
/**
* Set path to public key.
*
* @param CryptKey $publicKey
*/
public function setPublicKey(CryptKey $publicKey)
{
$this->publicKey = $publicKey;
}
/**
* Encrypt data with a private key.
*
* @param string $unencryptedData
*
* @throws \LogicException
*
* @return string
*/
protected function encrypt($unencryptedData)
{
if ($this->encryptionKey !== null) {
try {
return Crypto::encryptWithPassword($unencryptedData, $this->encryptionKey);
} catch (\Exception $e) {
throw new \LogicException($e->getMessage());
}
$privateKey = openssl_pkey_get_private($this->privateKey->getKeyPath(), $this->privateKey->getPassPhrase());
$privateKeyDetails = @openssl_pkey_get_details($privateKey);
if ($privateKeyDetails === null) {
throw new \LogicException(
sprintf('Could not get details of private key: %s', $this->privateKey->getKeyPath())
);
}
$chunkSize = ceil($privateKeyDetails['bits'] / 8) - 11;
$output = '';
while ($unencryptedData) {
$chunk = substr($unencryptedData, 0, $chunkSize);
$unencryptedData = substr($unencryptedData, $chunkSize);
if (openssl_private_encrypt($chunk, $encrypted, $privateKey) === false) {
// @codeCoverageIgnoreStart
throw new \LogicException('Failed to encrypt data');
// @codeCoverageIgnoreEnd
}
$output .= $encrypted;
}
openssl_pkey_free($privateKey);
return base64_encode($output);
}
/**
@ -97,41 +41,15 @@ trait CryptTrait
* @param string $encryptedData
*
* @throws \LogicException
*
* @return string
*/
protected function decrypt($encryptedData)
{
if ($this->encryptionKey !== null) {
try {
return Crypto::decryptWithPassword($encryptedData, $this->encryptionKey);
} catch (\Exception $e) {
throw new \LogicException($e->getMessage());
}
$publicKey = openssl_pkey_get_public($this->publicKey->getKeyPath());
$publicKeyDetails = @openssl_pkey_get_details($publicKey);
if ($publicKeyDetails === null) {
throw new \LogicException(
sprintf('Could not get details of public key: %s', $this->publicKey->getKeyPath())
);
}
$chunkSize = ceil($publicKeyDetails['bits'] / 8);
$output = '';
$encryptedData = base64_decode($encryptedData);
while ($encryptedData) {
$chunk = substr($encryptedData, 0, $chunkSize);
$encryptedData = substr($encryptedData, $chunkSize);
if (openssl_public_decrypt($chunk, $decrypted, $publicKey/*, OPENSSL_PKCS1_OAEP_PADDING*/) === false) {
// @codeCoverageIgnoreStart
throw new \LogicException('Failed to decrypt data');
// @codeCoverageIgnoreEnd
}
$output .= $decrypted;
}
openssl_pkey_free($publicKey);
return $output;
}
/**