Thanks for your quick answer David, I will think about use IDEA instead of AES (i believe that´s no problem about commercial use with AES).
Regards.

David Schwartz escribió:
I´m adapting a PKCS#11 module for using it on Ubuntu Feisty. I had it
perfectly working on Ubuntu Dapper, but when I compile it (using g++
4.1.2-0ubuntu4 and Kdevelop 3.5.6) and compiler reaches to the call
EVP_idea_cbc(), it shows me this error: 'EVP_idea_cbc' was not declared in
this scope. I´ve looked at evp.h file and I found that:

#ifndef OPENSSL_NO_IDEA
...
const EVP_CIPHER *EVP_idea_cbc(void);
...
#endif

¿Is possible that constant OPENSSL_NO_IDEA could be pre-defined? ¿Somebody could help me to solve this issue?

I believe there are some legal issues with using the IDEA algorithm (patented 
by Ascom). If you know that it is legal for you do so, you can recompile 
OpenSSL with the IDEA algorithm included. If your use is non-commercial, I 
believe you are okay as Ascom has granted permission for this use.

DS


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