src/plugins/wireguard/wireguard_chachapoly.h

   1 /*
   2  * Copyright (c) 2022 Rubicon Communications, LLC.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #ifndef __included_wg_chachapoly_h__
  17 #define __included_wg_chachapoly_h__
  18
  19 #include <vlib/vlib.h>
  20 #include <vnet/crypto/crypto.h>
  21
  22 #define XCHACHA20POLY1305_NONCE_SIZE 24
  23 #define CHACHA20POLY1305_KEY_SIZE    32
  24
  25 bool wg_chacha20poly1305_calc (vlib_main_t *vm, u8 *src, u32 src_len, u8 *dst,
  26                                u8 *aad, u32 aad_len, u64 nonce,
  27                                vnet_crypto_op_id_t op_id,
  28                                vnet_crypto_key_index_t key_index);
  29
  30 void wg_xchacha20poly1305_encrypt (vlib_main_t *vm, u8 *src, u32 src_len,
  31                                    u8 *dst, u8 *aad, u32 aad_len,
  32                                    u8 nonce[XCHACHA20POLY1305_NONCE_SIZE],
  33                                    u8 key[CHACHA20POLY1305_KEY_SIZE]);
  34
  35 bool wg_xchacha20poly1305_decrypt (vlib_main_t *vm, u8 *src, u32 src_len,
  36                                    u8 *dst, u8 *aad, u32 aad_len,
  37                                    u8 nonce[XCHACHA20POLY1305_NONCE_SIZE],
  38                                    u8 key[CHACHA20POLY1305_KEY_SIZE]);
  39
  40 #endif /* __included_wg_chachapoly_h__ */
  41
  42 /*
  43  * fd.io coding-style-patch-verification: ON
  44  *
  45  * Local Variables:
  46  * eval: (c-set-style "gnu")
  47  * End:
  48  */