diff options
Diffstat (limited to 'src/cipher.h')
| -rw-r--r-- | src/cipher.h | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/src/cipher.h b/src/cipher.h index 4582a46..570df8d 100644 --- a/src/cipher.h +++ b/src/cipher.h @@ -10,7 +10,7 @@ * tunnel endpoints. It has less protocol overhead than IPSec in Tunnel * mode and allows tunneling of every ETHER TYPE protocol (e.g. * ethernet, ip, arp ...). satp directly includes cryptography and - * message authentication based on the methodes used by SRTP. It is + * message authentication based on the methods used by SRTP. It is * intended to deliver a generic, scaleable and secure solution for * tunneling and relaying of packets of any protocol. * @@ -31,16 +31,31 @@ * * You should have received a copy of the GNU General Public License * along with uAnytun. If not, see <http://www.gnu.org/licenses/>. + * + * In addition, as a special exception, the copyright holders give + * permission to link the code of portions of this program with the + * OpenSSL library under certain conditions as described in each + * individual source file, and distribute linked combinations + * including the two. + * You must obey the GNU General Public License in all respects + * for all of the code used other than OpenSSL. If you modify + * file(s) with this exception, you may extend this exception to your + * version of the file(s), but you are not obligated to do so. If you + * do not wish to do so, delete this exception statement from your + * version. If you delete this exception statement from all source + * files in the program, then also delete it here. */ #ifndef UANYTUN_cipher_h_INCLUDED #define UANYTUN_cipher_h_INCLUDED #ifndef NO_CRYPT -#ifndef USE_SSL_CRYPTO -#include <gcrypt.h> -#else +#if defined(USE_SSL_CRYPTO) #include <openssl/aes.h> +#elif defined(USE_NETTLE) +#include <nettle/aes.h> +#else // USE_GCRYPT is the default +#include <gcrypt.h> #endif #include "key_derivation.h" #else @@ -94,11 +109,13 @@ union __attribute__((__packed__)) cipher_aesctr_ctr_union { typedef union cipher_aesctr_ctr_union cipher_aesctr_ctr_t; struct cipher_aesctr_param_struct { -#ifndef USE_SSL_CRYPTO - gcry_cipher_hd_t handle_; -#else +#if defined(USE_SSL_CRYPTO) AES_KEY aes_key_; u_int8_t ecount_buf_[AES_BLOCK_SIZE]; +#elif defined(USE_NETTLE) + struct aes_ctx ctx_; +#else // USE_GCRYPT is the default + gcry_cipher_hd_t handle_; #endif cipher_aesctr_ctr_t ctr_; }; |