mcrypt | 易学教程

mcrypt encrypt adding s bunch of '%00' to end of string

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问题 Working with OAuth and encrypting the keys with the following function with a string which we'll call 'foo' (actually an OAuth token) public function encrypt( $text ) { // add end of text delimiter $data = mcrypt_encrypt( MCRYPT_RIJNDAEL_128, $this->key, $text, MCRYPT_MODE_ECB, $this->iv ); return base64_encode( $data ); } When I decrypt it using the inverse function, I end up with: Function: public function decrypt( $text ) { $text = base64_decode( $text ); return mcrypt_decrypt( MCRYPT

phpmyadmin无法加载mcrypt的解决方法

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 无法加载 mcrypt (外链,英语) 扩展,请检查您的 PHP 配置：很多朋友在运行phpmyadmin程序都会见到这样的提示，"无法加载 mcrypt (外链,英语) 扩展,请检查您的 PHP 配置"，那么遇到这样的问题应当怎么解决呢？下面我们就一点一点把这个问题解决掉：无法载入 mcrypt 扩展，请检查 PHP 配置出现以下几种情况后可能会造成运行phpmyadmin程序提示“无法载入 mcrypt 扩展，请检查 PHP 配置”的错误提示 1、没有正确安装Mysql数据库，在系统服务中Mysql相关的服务没有启动（请查看正确安装Mysql的方法） 2、在系统的 system32（C:\windows\system32）目录下缺少 libmcrypt.dll文件，解决方法是找到php目录下的libmcrypt.dll，并将libmcrypt.dll复制到C:\windows \system32目录中，然后重新启动Web服务。 3、在C:\windows目录下的php.ini文件中，没有将“;extension=php_mcrypt.dll”中的前面一个“;”去掉，所以不能使用相应功能，解决方法是打开php.ini文件找到 ;extension=php_mcrypt.dll 改成

Rijndael 256 Encrypt/decrypt between c# and php?

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问题 UPDATED I have made the changes to the C# code so it uses a block size of 256. but now the hello world looks like this http://pastebin.com/5sXhMV11 and I cant figure out what I should use with rtrim() to get ride of the mess at the end. Also when you say the IV should be random, by this do you mean don't use the same IV more then once or is the way I have coded it wrong? Thanks again! Hi, I'm trying to decrypt a string with PHP that was encrypted in C#. I can't seem to get PHP to decrypt it

mcrypt_encrypt(): Key of size [closed]

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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 4 years ago . mcrypt_encrypt(): Key of size 10 not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported! http://i.stack.imgur.com/qE1ZD.png How can I fix this?? 回答1: Used to be if your key was too short that PHP would pad it with \0. This is no longer the case since PHP version 5.6.0. You should check how

Encrypting member data with keyfiles

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问题 I am working on a website where I want members to be able to maintain a list of items in their account. In addition, they should be able to see/browse all items owned by others member (except without seeing any ownership information). I want to be able to offer some practical reassurance of security to members so that if they log into their account from a device that doesn’t have their keyfile, they will still be able to access and use their account but it will just be limited because it won

Equivalent Encryption for MCRYPT - To preserve client side code

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问题 I'm using the following code to perform encryption using mcrypt <?PHP define('SECURE_KEY','Somekey'); function encrypt($value){ $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); return mcrypt_encrypt(MCRYPT_RIJNDAEL_256, SECURE_KEY, $value, MCRYPT_MODE_ECB, $iv); } function decrypt($value){ $iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); $iv = mcrypt_create_iv($iv_size, MCRYPT_RAND); return trim(mcrypt

Laravel Is php-mcrypt necessary for https and Auth?

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问题 Everything is in the title : can I use https and the Auth:: class whithout having installed php mcrypt ? (I'm on a redhat enterprise linux 6.1 on architecture s390x, it's just impossible to find pre-compiled packages). If it's possible then I would just use Laravel whithout Mcrypt... 回答1: mcrypt is a requirement of Laravel, you simply cannot run a laravel app without having mcrypt installed. The following link may help with installing mcrypt: http://injustfiveminutes.com/2012/11/23/install

Mcrypt not detected with Laravel installation

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问题 I am trying to make a simple Laravel app. It seems to be installed correctly but once I run: localhost/codehero-laravel/public/ (the example code) it shows the message: "Mcrypt PHP extension required." It is weird because when I run php -m it appears mcrypt. Also, if I run "$php --info | grep mcrypt" it appears: mcrypt mcrypt support => enabled mcrypt_filter support => enabled mcrypt.algorithms_dir => no value => no value mcrypt.modes_dir => no value => no value I tried everything I've fallen

Enable MCrypt using MAMP

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问题 I'm using MAMP and ive installed a fresh version of Opencart, its telling me i dont have MCrypt enabled, when i go to terminal and type: php -m | grep mcrypt output: mcrypt I can locate the library but it doesn't seem to be enabled. 回答1: That fact that php -m | grep mcrypt returns mcrypt , means the mcrypt library is INSTALLED and ENABLED. Although it may just be enabled for CLI. You can try editing the PHP.ini file and adding the following line under the ; Extensions section: extension

How to encrypt with MCRYPT_ARCFOUR in WAMP?

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问题 I'm trying to use ARCFOUR algorithm in my PHP code: $td = mcrypt_module_open(MCRYPT_ARCFOUR, '', MCRYPT_MODE_CBC, ''); $iv = mcrypt_create_iv (mcrypt_enc_get_iv_size($td), MCRYPT_RAND); mcrypt_generic_init($td, $key, $iv); $output = mcrypt_generic($td, $input); mcrypt_generic_deinit($td); mcrypt_module_close($td); and the problem is that the first line returns warning: mcrypt_module_open(): Could not open encryption module My settings: From php_info() output: command configure: ... "--with