Remove function without effect (cipher_ok() always returned true).

Signed-off-by: Steffan Karger <steffan@karger.me>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1401055713-9891-2-git-send-email-steffan@karger.me>
Signed-off-by: Gert Doering <gert@greenie.muc.de>
Remove unneeded wrapper functions in crypto_openssl.c

Both EVPCipherInit_ov() and EVPCipherUpdate_ov() wrapped OpenSSL functions
without any changes, so lets just use the functions directly.

Signed-off-by: Steffan Karger <steffan@karger.me>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <1401055713-9891-3-git-send-email-steffan@karger.me>
Signed-off-by: Gert Doering <gert@greenie.muc.de>