[openssl-users] Changing IV in EVP API?

[Dr. Stephen Henson]

On Mon, May 02, 2016, Jakob Bohm wrote:

> While trying to convert some 3rd party code from direct calls
> to libcrypto functions to using the EVP API, I have run into
> a problem.
> 
> I cannot find the EVP call to change the IV without changing
> (and reexpanding) the key.
> 

Try calling the EVP_*Init() function with all the parameters NULL except the
IV and the EVP_CIPHER_CTX parameter.

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org