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Request #77832 aes 256 bit?
Submitted: 2019-04-02 07:05 UTC Modified: 2019-04-02 09:28 UTC
From: 814982736 at qq dot com Assigned:
Status: Not a bug Package: OpenSSL related
PHP Version: 7.1.27 OS: centos 6.9
Private report: No CVE-ID: None
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 [2019-04-02 07:05 UTC] 814982736 at qq dot com 
Description:
------------
---
From manual page: https://php.net/function.openssl-get-cipher-methods
---
The key size of AES-256-CBC is 256bit size,
but the block size of AES-256-CBC is 128bit size?


Is there any way to use Rijndael-256?

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 [2019-04-02 07:29 UTC] spam2 at rhsoft dot net 
why would you want to use Rijndael-256?

you end with to everything incomatible data like mcrypt which was funny to get data out and re-encrypt them with something openssl can operate with

https://paragonie.com/blog/2015/05/if-you-re-typing-word-mcrypt-into-your-code-you-re-doing-it-wrong

CTRL+F -> MCRYPT_RIJNDAEL_256
 [2019-04-02 08:19 UTC] 814982736 at qq dot com 
After reading this article, i understand the changes of php. Thanks a lot.
 [2019-04-02 08:22 UTC] 814982736 at qq dot com
-Status: Open +Status: Closed
 [2019-04-02 08:22 UTC] 814982736 at qq dot com 
solved
 [2019-04-02 09:28 UTC] cmb@php.net
-Status: Closed +Status: Not a bug
 
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