diff options
Diffstat (limited to 'include/axolotl/crypto.hh')
-rw-r--r-- | include/axolotl/crypto.hh | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/axolotl/crypto.hh b/include/axolotl/crypto.hh index 42e4b61..7564e8f 100644 --- a/include/axolotl/crypto.hh +++ b/include/axolotl/crypto.hh @@ -12,6 +12,9 @@ * See the License for the specific language governing permissions and * limitations under the License. */ +#ifndef AXOLOTL_CRYPTO_HH_ +#define AXOLOTL_CRYPTO_HH_ + #include <cstdint> #include <cstddef> @@ -141,3 +144,5 @@ void hkdf_sha256( ); } // namespace axolotl + +#endif /* AXOLOTL_CRYPTO_HH_ */ |