PHP使用DES进行加密和解密
2009-05-29 22:06
1011 查看
DES是一种标准的数据加密算法,关于这个算法的详细介绍可以参考wiki和百度百科:
wiki百科 百度百科
php中有一个扩展可以支持DES的加密算法,是:extension=php_mcrypt.dll
在配置文件中将这个扩展打开还不能够在windows环境下使用
需要将PHP文件夹下的 libmcrypt.dll 拷贝到系统的 system32 目录下,这是通过phpinfo可以查看到mcrypt表示这个模块可以正常试用了。
下面是PHP中使用DES加密解密的一个例子:
//$input - stuff to decrypt
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
//$key - the secret key to use
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
function do_mencrypt($input, $key)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""n", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""t", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""r", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$key = substr(md5($key), 0, 24);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$td = mcrypt_module_open('tripledes', '', 'ecb', '');
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_init($td, $key, $iv);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$encrypted_data = mcrypt_generic($td, $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_deinit($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_module_close($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
return trim(chop(base64_encode($encrypted_data)));
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
//$input - stuff to decrypt
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
//$key - the secret key to use
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
function do_mdecrypt($input, $key)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""n", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""t", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""r", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = trim(chop(base64_decode($input)));
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$td = mcrypt_module_open('tripledes', '', 'ecb', '');
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$key = substr(md5($key), 0, 24);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_init($td, $key, $iv);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$decrypted_data = mdecrypt_generic($td, $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_deinit($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_module_close($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
return trim(chop($decrypted_data));
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
}
from:http://www.cnblogs.com/cocowool/archive/2009/01/07/1371309.html
wiki百科 百度百科
php中有一个扩展可以支持DES的加密算法,是:extension=php_mcrypt.dll
在配置文件中将这个扩展打开还不能够在windows环境下使用
需要将PHP文件夹下的 libmcrypt.dll 拷贝到系统的 system32 目录下,这是通过phpinfo可以查看到mcrypt表示这个模块可以正常试用了。
下面是PHP中使用DES加密解密的一个例子:
//$input - stuff to decrypt
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
//$key - the secret key to use
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
function do_mencrypt($input, $key)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""n", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""t", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""r", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$key = substr(md5($key), 0, 24);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$td = mcrypt_module_open('tripledes', '', 'ecb', '');
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_init($td, $key, $iv);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$encrypted_data = mcrypt_generic($td, $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_deinit($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_module_close($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
return trim(chop(base64_encode($encrypted_data)));
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
//$input - stuff to decrypt
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
//$key - the secret key to use
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
function do_mdecrypt($input, $key)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""n", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""t", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = str_replace(""r", "", $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$input = trim(chop(base64_decode($input)));
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$td = mcrypt_module_open('tripledes', '', 'ecb', '');
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$key = substr(md5($key), 0, 24);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_init($td, $key, $iv);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
$decrypted_data = mdecrypt_generic($td, $input);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_generic_deinit($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mcrypt_module_close($td);
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
return trim(chop($decrypted_data));
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
}
from:http://www.cnblogs.com/cocowool/archive/2009/01/07/1371309.html
相关文章推荐
- php使用openssl进行Rsa长数据加密(117)解密(128) 和 DES 加密解密
- PHP使用DES进行加密解密
- PHP使用DES进行加密与解密的方法详解
- PHP使用DES进行加密和解密
- PHP使用DES进行加密解密
- PHP使用DES进行加密与解密的方法详解
- PHP使用DES进行加密解密
- 【转】PHP使用DES进行加密和解密
- PHP使用DES进行加密和解密
- PHP使用DES进行加密和解密
- C/C++使用openssl进行摘要和加密解密(md5, sha256, des, rsa)
- Java中使用DES进行加密解密
- PHP开发接口使用RSA进行加密解密方法
- PHP 使用openssl 进行加密 解密
- Java中使用DES进行加密解密
- 使用DES对资源进行加密解密
- PHP使用mcrypt进行AES加密后的数据NodeJS等无法解密的问题修复方案
- C/C++使用openssl进行摘要和加密解密(md5, sha256, des, rsa)
- PHP开发接口使用RSA进行加密解密方法
- C/C++使用openssl进行摘要和加密解密(md5, sha256, des, rsa)