> Could you please point me on some useful documentation, piece of code or any > other source of information which would provide the guidelines for > accomplishing my task? Or maybe somebody of you already have the experience > in such migration which could be shared. https://wiki.openssl.org/index.php/EVP_Symmetric_Encryption_and_Decryption and https://wiki.openssl.org/index.php/EVP_Authenticated_Encryption_and_Decryption. If you detail a specific problem, then better advice can probably be provided. Jeff