求大神将一个java的aes解密帮忙改写成php版的 标准的AES加密网上有很多,注意补位就是了.其他说到底就用到个函数 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 AES PHP有标注的实现库啊?自己写干嘛。 一直是乱码不知道什么问题<?phpclass CryptAES{ protected $cipher = MCRYPT_RIJNDAEL_128; protected $mode = MCRYPT_MODE_CBC; protected $pad_method = NULL; protected $secret_key = ''; protected $iv = ''; public function set_cipher($cipher) { $this->cipher = $cipher; } public function set_mode($mode) { $this->mode = $mode; } public function set_iv($iv) { $this->iv = $iv; } public function set_key($key) { $this->secret_key = $key; } public function require_pkcs5() { $this->pad_method = 'pkcs5'; } protected function pad_or_unpad($str, $ext) { if ( is_null($this->pad_method) ) { return $str; } else { $func_name = __CLASS__ . '::' . $this->pad_method . '_' . $ext . 'pad'; if ( is_callable($func_name) ) { $size = mcrypt_get_block_size($this->cipher, $this->mode); return call_user_func($func_name, $str, $size); } } return $str; } protected function pad($str) { return $this->pad_or_unpad($str, ''); } protected function unpad($str) { return $this->pad_or_unpad($str, 'un'); } public function encrypt($str) { $str = $this->pad($str); $td = mcrypt_module_open($this->cipher, '', $this->mode, ''); if ( empty($this->iv) ) { $iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND); } else { $iv = $this->iv; } mcrypt_generic_init($td, $this->secret_key, $iv); $cyper_text = mcrypt_generic($td, $str); $rt=base64_encode($cyper_text); //$rt = bin2hex($cyper_text); mcrypt_generic_deinit($td); mcrypt_module_close($td); return $rt; } public function decrypt($str){ $size = mcrypt_get_block_size($this->cipher,$this->mode); $td = mcrypt_module_open($this->cipher, '', $this->mode, ''); if ( empty($this->iv) ) { $iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND); } else { $iv = $this->iv; } mcrypt_generic_init($td, $this->secret_key, $iv); $decrypted_text = mdecrypt_generic($td, base64_decode($str)); print_r($decrypted_text);exit; $rt = $decrypted_text; mcrypt_generic_deinit($td); mcrypt_module_close($td); return $this->unpad($rt); } /** * 转换一个String字符串为byte数组 * @param $str 需要转换的字符串 * @param $bytes 目标byte数组 * @author wqw */ private function toHexString ($string){ $buf = ""; for ($i = 0; $i < strlen($string); $i++){ $val = dechex(ord($string{$i})); if(strlen($val)< 2) $val = "0".$val; $buf .= $val; } return $buf; } public static function hex2bin($hexdata) { $bindata = ''; $length = strlen($hexdata); for ($i=0; $i< $length; $i += 2) { $bindata .= chr(hexdec(substr($hexdata, $i, 2))); } return $bindata; } public static function pkcs5_pad($text, $blocksize) { $pad = $blocksize - (strlen($text) % $blocksize); return $text . str_repeat(chr($pad), $pad); } public static function pkcs5_unpad($text) { $pad = ord($text{strlen($text) - 1}); if ($pad > strlen($text)) return false; if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false; return substr($text, 0, -1 * $pad); }}以上是我php的解密算法求大神帮我看看 你应该给几组 java 的明文和密文这样才便于验证代码的正确性 明文:ooejCjlO0jqfwW1l2H8FMf-liOMQ密文:ojbmnkcobgdoadondiofnnaahjkkdbjpggnbolapjdgidgbofemhjlibhfoobkbh现在我只有这一组,希望各位帮帮忙 你够可以的,密钥也不给?搜索一下你的机器,你会找到不少 aes 加解密的 php 程序(至少在 phpmyadmin 中可以找到一个) public function encode_aes($data, $key) { $td = mcrypt_module_open(MCRYPT_RIJNDAEL_256, '', MCRYPT_MODE_CBC, ''); $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND); mcrypt_generic_init($td, $key, $iv); $encrypted = mcrypt_generic($td, $data); mcrypt_generic_deinit($td); return $iv . $encrypted; } public function decode_aes($data, $key) { $td = mcrypt_module_open(MCRYPT_RIJNDAEL_256, '', MCRYPT_MODE_CBC, ''); $iv = mb_substr($data, 0, 32, 'latin1'); mcrypt_generic_init($td, $key, $iv); $data = mb_substr($data, 32, mb_strlen($data, 'latin1'), 'latin1'); $data = mdecrypt_generic($td, $data); mcrypt_generic_deinit($td); mcrypt_module_close($td); return trim($data); }上面两个函数是我以前用过的加密解密类的一部分使用的时候$data = encode_aes($data, $key); //AES加密$data = base64_encode($data); //base64编码因为当时有其它规则的需要,就没使用CI默认的加密类 有没有在线的php代码格式化工具? 如何用php来操作word里面的内容,含图片 新手入行贴 数据库复制 工作了3天就不用我了,郁闷的想死!!!!!!!!!!!!! 关于全选的问题!请高人帮忙! array_merge() 的问题 包含<script>网页语法错 发现用php连sql server的一个很麻烦的问题 这样的配置要多少银子,5000搞的定吗,配的合理吗? php小偷程序关于url的转换原理 win2008 R2 + SQL SERVER 2008+PHP 配置
<?php
class CryptAES
{
protected $cipher = MCRYPT_RIJNDAEL_128;
protected $mode = MCRYPT_MODE_CBC;
protected $pad_method = NULL;
protected $secret_key = '';
protected $iv = ''; public function set_cipher($cipher)
{
$this->cipher = $cipher;
} public function set_mode($mode)
{
$this->mode = $mode;
} public function set_iv($iv)
{
$this->iv = $iv;
} public function set_key($key)
{
$this->secret_key = $key;
} public function require_pkcs5()
{
$this->pad_method = 'pkcs5';
} protected function pad_or_unpad($str, $ext)
{
if ( is_null($this->pad_method) )
{
return $str;
}
else
{
$func_name = __CLASS__ . '::' . $this->pad_method . '_' . $ext . 'pad';
if ( is_callable($func_name) )
{
$size = mcrypt_get_block_size($this->cipher, $this->mode);
return call_user_func($func_name, $str, $size);
}
}
return $str;
} protected function pad($str)
{
return $this->pad_or_unpad($str, '');
} protected function unpad($str)
{
return $this->pad_or_unpad($str, 'un');
} public function encrypt($str)
{
$str = $this->pad($str);
$td = mcrypt_module_open($this->cipher, '', $this->mode, ''); if ( empty($this->iv) )
{
$iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
}
else
{
$iv = $this->iv;
} mcrypt_generic_init($td, $this->secret_key, $iv);
$cyper_text = mcrypt_generic($td, $str);
$rt=base64_encode($cyper_text);
//$rt = bin2hex($cyper_text);
mcrypt_generic_deinit($td);
mcrypt_module_close($td); return $rt;
} public function decrypt($str){
$size = mcrypt_get_block_size($this->cipher,$this->mode);
$td = mcrypt_module_open($this->cipher, '', $this->mode, '');
if ( empty($this->iv) )
{
$iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
}
else
{
$iv = $this->iv;
}
mcrypt_generic_init($td, $this->secret_key, $iv);
$decrypted_text = mdecrypt_generic($td, base64_decode($str));
print_r($decrypted_text);exit;
$rt = $decrypted_text;
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
return $this->unpad($rt);
}
/**
* 转换一个String字符串为byte数组
* @param $str 需要转换的字符串
* @param $bytes 目标byte数组
* @author wqw
*/
private function toHexString ($string){
$buf = "";
for ($i = 0; $i < strlen($string); $i++){
$val = dechex(ord($string{$i}));
if(strlen($val)< 2)
$val = "0".$val;
$buf .= $val;
}
return $buf;
}
public static function hex2bin($hexdata) {
$bindata = '';
$length = strlen($hexdata);
for ($i=0; $i< $length; $i += 2)
{
$bindata .= chr(hexdec(substr($hexdata, $i, 2)));
}
return $bindata;
} public static function pkcs5_pad($text, $blocksize)
{
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
} public static function pkcs5_unpad($text)
{
$pad = ord($text{strlen($text) - 1});
if ($pad > strlen($text)) return false;
if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false;
return substr($text, 0, -1 * $pad);
}
}以上是我php的解密算法求大神帮我看看
这样才便于验证代码的正确性
密文:ojbmnkcobgdoadondiofnnaahjkkdbjpggnbolapjdgidgbofemhjlibhfoobkbh
现在我只有这一组,希望各位帮帮忙
{
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_256, '', MCRYPT_MODE_CBC, '');
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND); mcrypt_generic_init($td, $key, $iv); $encrypted = mcrypt_generic($td, $data); mcrypt_generic_deinit($td); return $iv . $encrypted;
} public function decode_aes($data, $key)
{
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_256, '', MCRYPT_MODE_CBC, '');
$iv = mb_substr($data, 0, 32, 'latin1'); mcrypt_generic_init($td, $key, $iv); $data = mb_substr($data, 32, mb_strlen($data, 'latin1'), 'latin1');
$data = mdecrypt_generic($td, $data); mcrypt_generic_deinit($td);
mcrypt_module_close($td); return trim($data);
}
上面两个函数是我以前用过的加密解密类的一部分使用的时候
$data = encode_aes($data, $key); //AES加密
$data = base64_encode($data); //base64编码因为当时有其它规则的需要,就没使用CI默认的加密类