OVMS3-idf/components/protocomm/proto/session.proto
Amey Inamdar d0c777b2e1 Protocomm : Added component core for protocol communication
* This manages secure sessions and provides framework for multiple transports.
* The application can use protocomm layer directly to have application specific extensions for provisioning (or non-provisioning) use cases.
* Following features are available for provisioning :

  * Security - Security0 (no security), Security1 (curve25519 key exchange + AES-CTR encryption)
  * Proof-of-possession support for Security1

* Protocomm requires specific protocol buffer modules for compilation which can be generated from the `.proto` files in the `proto` directory using make.

Co-Authored-By: Amey Inamdar <amey@espressif.com>
Co-Authored-By: Anurag Kar <anurag.kar@espressif.com>
2018-10-02 19:07:28 +05:30

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Protocol Buffer

syntax = "proto3";
import "sec0.proto";
import "sec1.proto";
/* Allowed values for the type of security
* being used in a protocomm session */
enum SecSchemeVersion {
SecScheme0 = 0; /*!< Unsecured - plaintext communication */
SecScheme1 = 1; /*!< Security scheme 1 - Curve25519 + AES-256-CTR*/
}
/* Data structure exchanged when establishing
* secure session between Host and Client */
message SessionData {
SecSchemeVersion sec_ver = 2; /*!< Type of security */
oneof proto {
Sec0Payload sec0 = 10; /*!< Payload data in case of security 0 */
Sec1Payload sec1 = 11; /*!< Payload data in case of security 1 */
}
}