app/cast_auth_impl.h

#pragma once

#include <stdint.h>
#include <trusty_ipc.h>

#include "BnCastAuth.h"

class CastAuthImpl : public BnCastAuth {
public:
    CastAuthImpl();
    int ProvisionKey(const ::tidl::Payload& req_payload) override;
    int SignHash(const ::tidl::Payload& req_payload,
                 ::tidl::Payload* resp_payload) override;

private:
    static constexpr struct tipc_port_acl kAcl = {
            .flags = IPC_PORT_ALLOW_TA_CONNECT | IPC_PORT_ALLOW_NS_CONNECT,
            .uuid_num = 0};
    int SaveKey(const uint8_t* key, size_t length);
    int LoadKey(uint8_t* key, size_t* length);
    int get_payload_buffer(::tidl::Payload& payload,
                           uint32_t size,
                           bool) override;
    void free_payload_buffer(::tidl::Payload payload) override;
};