key_dist.proto

// Copyright IBM Corp. All Rights Reserved.
// Copyright 2020 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0

syntax = "proto3";

import "google/protobuf/any.proto";

package key_distribution;
option go_package = "github.com/hyperledger-labs/fabric-private-chaincode/internal/protos";

message CCKeyRegistrationMessage {
    // defines the context as SHA256 of cc_params
    bytes cc_params_hash = 1;

    // public chaincode encryption key
    bytes chaincode_ek = 2;

    // creator of this message
    // enclave_id is the SHA256 hash of enclave_vk
    bytes enclave_id = 3;
}

message SignedCCKeyRegistrationMessage {
    // serialization of type CCKeyRegistrationMessage
    google.protobuf.Any serialized_cckey_reg_msg = 1;

    // signature of the message creator (enclave)
    bytes signature = 2;
}

message ExportMessage {
    // defines the context of this export message as SHA256 of cc_params
    bytes cc_params_hash = 1;

    // public chaincode encryption key
    bytes chaincode_ek = 2;

    // chaincode keys encrypted for the receiver
    bytes cckeys_enc = 3;

    // receiver of this export message
    bytes receiver_enclave_vk = 4;

    // sender (creator) of this export message
    bytes sender_enclave_vk = 5;
}

message SignedExportMessage {
    // serialization of type ExportMessage
    google.protobuf.Any serialized_export_msg_bytes = 1;

    // signature of the message creator
    bytes signature = 2;
}