代码初始化
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143
extend/Yzh/Utils/Des.php
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143
extend/Yzh/Utils/Des.php
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<?php
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namespace Yzh\Utils;
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use Yzh\Exception\RunTimeException;
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use Yzh\Exception\ExceptionCode;
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class Des
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{
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private $des3_key; // 密钥向量
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private $iv; // 混淆向量
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private $mode = 'cbc';
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/**
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* 构造，传递二个已经进行 base64_encode 的 KEY 与 IV
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* @param $des3key
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* @param null $iv
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*/
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function __construct($des3key, $iv = null)
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{
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$this->des3_key = $des3key;
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$this->iv = $iv;
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}
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/**
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* 加密
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* @param $value
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* @return string
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* @throws RunTimeException
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*/
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public function encrypt($value)
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{
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// 兼容5.3以前版本
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if (version_compare(PHP_VERSION, '5.3.0', '<')) {
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return $this->encrypt5($value);
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}
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$iv = substr($this->des3_key, 0, 8);
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$ret = openssl_encrypt($value, 'DES-EDE3-CBC', $this->des3_key, 0, $iv);
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if (false === $ret) {
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$errMsg = "DES encrypt err";
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while ($errStr = openssl_error_string()) {
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$errMsg = $errStr;
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}
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throw new RunTimeException($errMsg, ExceptionCode::DES_KEY_ENCRYPT_FAIL);
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}
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return $ret;
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}
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/**
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* 解密
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* @param $value
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* @return bool|false|string
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* @throws RunTimeException
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*/
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public function decrypt($value)
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{
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// 兼容5.3以前版本
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if (version_compare(PHP_VERSION, '5.3.0', '<')) {
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return $this->decrypt5($value);
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}
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$iv = substr($this->des3_key, 0, 8);
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$ret = openssl_decrypt($value, 'DES-EDE3-CBC', $this->des3_key, 0, $iv);
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if (false === $ret) {
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$errMsg = "DES decrypt err";
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while ($errStr = openssl_error_string()) {
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$errMsg = $errStr;
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}
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throw new RunTimeException($errMsg, ExceptionCode::DES_KEY_DECRYPT_FAIL);
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}
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return $ret;
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}
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/**
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* 加密 5.3以前版本
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* @param $value
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* @return bool|false|string
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*/
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private function encrypt5($value)
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{
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$td = mcrypt_module_open("tripledes", '', $this->mode, '');
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$iv = substr($this->des3_key, 0, 8);
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$value = $this->paddingPKCS7($value);
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if (false === $value) {
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return openssl_error_string();
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}
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@mcrypt_generic_init($td, $this->des3_key, $iv);
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$dec = mcrypt_generic($td, $value);
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$ret = base64_encode($dec);
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mcrypt_generic_deinit($td);
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mcrypt_module_close($td);
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return $ret;
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}
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/**
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* 解密 5.3以前版本
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* @param $value
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* @return bool|false|string
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*/
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private function decrypt5($value)
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{
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$td = mcrypt_module_open("tripledes", '', $this->mode, '');
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$iv = substr($this->des3_key, 0, 8);
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@mcrypt_generic_init($td, $this->des3_key, $iv);
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$ret = trim(mdecrypt_generic($td, base64_decode($value)));
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$ret = $this->unPaddingPKCS7($ret);
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mcrypt_generic_deinit($td);
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mcrypt_module_close($td);
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return $ret;
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}
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/**
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* 填充
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* @param $value
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* @return bool|false|string
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*/
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private function paddingPKCS7($value)
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{
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$blockSize = mcrypt_get_block_size('tripledes', $this->mode);
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if (false === $blockSize) {
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return false;
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}
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$paddingChar = $blockSize - (strlen($value) % $blockSize);
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$value .= str_repeat(chr($paddingChar), $paddingChar);
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return $value;
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}
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/**
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* 去掉填充
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* @param $value
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* @return bool|false|string
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*/
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private function unPaddingPKCS7($value)
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{
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$pad = ord($value[strlen($value) - 1]);
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if ($pad > strlen($value)) {
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return false;
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}
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if (strspn($value, chr($pad), strlen($value) - $pad) != $pad) {
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return false;
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}
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return substr($value, 0, -1 * $pad);
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}
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}
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31
extend/Yzh/Utils/Hmac.php
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31
extend/Yzh/Utils/Hmac.php
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<?php
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namespace Yzh\Utils;
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class Hmac
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{
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protected $mode = "sha256";
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protected $app_key;
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/**
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* @param string $appKey
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*/
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public function __construct($appKey)
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{
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$this->app_key = $appKey;
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}
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/**
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* @param string $data
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* @param string $key
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*/
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public function sign($data): string
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{
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return hash_hmac($this->mode, $data, $this->app_key);
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}
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public function verify($data, $sign)
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{
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return $this->sign($data) == $sign;
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}
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}
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20
extend/Yzh/Utils/MessString.php
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20
extend/Yzh/Utils/MessString.php
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<?php
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namespace Yzh\Utils;
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class MessString
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{
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const MIN_RAND_LENGTH = 8;
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const DEFAULT_RAND_LENGTH = 16;
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const MAX_RAND_LENGTH = 64;
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const ALL_STRING_CHARS = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-+_';
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/**
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* @param $length
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* @return false|string
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*/
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public static function rand($length = 16)
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{
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return substr(str_shuffle(self::ALL_STRING_CHARS), 0, $length > self::MAX_RAND_LENGTH ? self::DEFAULT_RAND_LENGTH : ($length < self::MIN_RAND_LENGTH ? self::DEFAULT_RAND_LENGTH : $length));
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}
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}
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95
extend/Yzh/Utils/Rsa.php
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95
extend/Yzh/Utils/Rsa.php
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<?php
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namespace Yzh\Utils;
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use Yzh\Exception\ConfigException;
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use Yzh\Exception\ExceptionCode;
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class Rsa
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{
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private $private_key;
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private $public_key;
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private $mode = "SHA256";
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public function __construct($privateKey = "", $publicKey = "")
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{
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if (!extension_loaded("openssl")) {
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throw new ConfigException("缺少 openssl 扩展", ExceptionCode::CONFIG_ERROR_LACK_PACKAGE);
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}
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$this->private_key = openssl_pkey_get_private($privateKey);
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if (!$this->private_key) {
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throw new ConfigException("私钥解析失败", ExceptionCode::CONFIG_ERROR_RSA_KEY_INVALID);
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}
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$this->public_key = openssl_pkey_get_public($publicKey);
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if (!$this->public_key) {
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throw new ConfigException("公钥解析失败", ExceptionCode::CONFIG_ERROR_RSA_KEY_INVALID);
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}
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}
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/**
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* 私钥加密
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* @param $value
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* @return string
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*/
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public function encrypt($value)
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{
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$encrypted = "";
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if (!openssl_private_encrypt($value, $encrypted, $this->private_key)) {
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throw new ConfigException("openssl 加密失败", ExceptionCode::PRIVATE_KEY_ENCRYPT_FAIL);
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}
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return $encrypted;
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}
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/**
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* 私钥解密
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* @param $encrypted
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* @return string
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*/
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public function privateKeyDecrypt($encrypted)
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{
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$decrypted = "";
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if (!openssl_private_decrypt($encrypted, $decrypted, $this->private_key)) {
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throw new ConfigException("openssl 解密失败", ExceptionCode::PRIVATE_KEY_DECRYPT_FAIL);
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}
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return $decrypted;
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}
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/**
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* 公钥解密
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* @param $encrypted
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* @return string
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*/
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public function decrypt($encrypted)
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{
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$decrypted = "";
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if (!openssl_public_decrypt($encrypted, $decrypted, $this->public_key)) {
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throw new ConfigException("openssl 解密失败", ExceptionCode::PUBLIC_KEY_DECRYPT_FAIL);
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}
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return $decrypted;
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}
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/**
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* 获取数据签名
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* @param $data
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* @return string
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*/
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public function sign($data)
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{
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openssl_sign($data, $sign, $this->private_key, $this->mode);
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return base64_encode($sign);
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}
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/**
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* 验证数据签名
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* @param string $data
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* @param string $sign
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* @return bool
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*/
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public function verify($data, $sign)
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{
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$result = openssl_verify($data, base64_decode($sign), $this->public_key, $this->mode);
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return $result == 1;
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}
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}
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