Add capabilities_negotiation structures

This change aims to include those structures
that will be required to communicate
capabilities negotiation information for
Keylime Push model

Resolves: #933
Signed-off-by: Sergio Arroutbi <[email protected]>

Author: sarroutbi

keylime/src/lib.rs

@@ -7,6 +7,7 @@ pub mod ip_parser;
 pub mod list_parser;
 pub mod registrar_client;
 pub mod serialization;
+pub mod structures;
 pub mod tpm;
 pub mod version;