86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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#ifndef SERVICE_PROVIDER_H
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#define SERVICE_PROVIDER_H
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#include <iomanip>
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#include <sstream>
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#include <algorithm> // std::reverse
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#include <stdio.h>
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#include <stdlib.h>
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#include <stddef.h>
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#include <time.h>
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#include <string.h>
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#include <iostream>
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#include "Messages.pb.h"
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#include "UtilityFunctions.h"
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#include "LogBase.h"
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#include "Network_def.h"
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#include "WebService.h"
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#include "remote_attestation_result.h"
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#include "sgx_key_exchange.h"
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#include "ias_ra.h"
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using namespace std;
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#define DH_HALF_KEY_LEN 32
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#define DH_SHARED_KEY_LEN 32
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#define SAMPLE_SP_IV_SIZE 12
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enum sp_ra_msg_status_t {
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SP_OK,
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SP_UNSUPPORTED_EXTENDED_EPID_GROUP,
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SP_INTEGRITY_FAILED,
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SP_QUOTE_VERIFICATION_FAILED,
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SP_IAS_FAILED,
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SP_INTERNAL_ERROR,
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SP_PROTOCOL_ERROR,
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SP_QUOTE_VERSION_ERROR,
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SP_RETRIEVE_SIGRL_ERROR
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};
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typedef struct _sp_db_item_t {
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sgx_ec256_public_t g_a;
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sgx_ec256_public_t g_b;
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sgx_ec_key_128bit_t vk_key; // Shared secret key for the REPORT_DATA
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sgx_ec_key_128bit_t mk_key; // Shared secret key for generating MAC's
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sgx_ec_key_128bit_t sk_key; // Shared secret key for encryption
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sgx_ec_key_128bit_t smk_key; // Used only for SIGMA protocol
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sample_ec_priv_t b;
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sgx_ps_sec_prop_desc_t ps_sec_prop;
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} sp_db_item_t;
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class ServiceProvider {
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public:
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ServiceProvider(WebService *ws);
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virtual ~ServiceProvider();
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int sp_ra_proc_msg0_req(const uint32_t extended_epid_group_id);
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int sp_ra_proc_msg1_req(Messages::MessageMSG1 msg1, Messages::MessageMSG2 *msg2);
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int sp_ra_proc_msg3_req(Messages::MessageMSG3 msg, Messages::AttestationMessage *att_msg);
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sgx_ra_msg3_t* assembleMSG3(Messages::MessageMSG3 msg);
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int sp_ra_proc_app_att_hmac(Messages::SecretMessage *new_msg, string hmac_key, string hmac_key_filename);
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private:
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WebService *ws = NULL;
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bool g_is_sp_registered = false;
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uint32_t extended_epid_group_id;
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sp_db_item_t g_sp_db;
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const uint16_t AES_CMAC_KDF_ID = 0x0001;
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uint8_t validation_result[MAX_VERIFICATION_RESULT];
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};
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#endif
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