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sp.cpp
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sp.cpp
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/*
Copyright 2019 Intel Corporation
This software and the related documents are Intel copyrighted materials,
and your use of them is governed by the express license under which they
were provided to you (License). Unless the License provides otherwise,
you may not use, modify, copy, publish, distribute, disclose or transmit
this software or the related documents without Intel's prior written
permission.
This software and the related documents are provided as is, with no
express or implied warranties, other than those that are expressly stated
in the License.
*/
#ifndef _WIN32
#include "config.h"
#endif
#include <stdlib.h>
#include <limits.h>
#include <stdio.h>
#include <sys/stat.h>
#include <string.h>
#include <sys/types.h>
#ifdef _WIN32
#include <intrin.h>
#include <openssl/applink.c>
#include "win32/getopt.h"
#else
#include <signal.h>
#include <getopt.h>
#include <unistd.h>
#endif
#include <sgx_key_exchange.h>
#include <sgx_report.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include "json.hpp"
#include "common.h"
#include "hexutil.h"
#include "fileio.h"
#include "crypto.h"
#include "byteorder.h"
#include "msgio.h"
#include "protocol.h"
#include "base64.h"
#include "iasrequest.h"
#include "logfile.h"
#include "settings.h"
#include "enclave_verify.h"
using namespace json;
using namespace std;
#include <map>
#include <string>
#include <iostream>
#include <algorithm>
#include <fstream>
#include <sstream>
#include <random>
#include <chrono>
#ifdef _WIN32
#define strdup(x) _strdup(x)
#endif
#define DIV_UNIT 20000000
#define CHUNK_SIZE 20000000
#define ROUND_UNIT 100000000
static const unsigned char def_service_private_key[32] = {
0x90, 0xe7, 0x6c, 0xbb, 0x2d, 0x52, 0xa1, 0xce,
0x3b, 0x66, 0xde, 0x11, 0x43, 0x9c, 0x87, 0xec,
0x1f, 0x86, 0x6a, 0x3b, 0x65, 0xb6, 0xae, 0xea,
0xad, 0x57, 0x34, 0x53, 0xd1, 0x03, 0x8c, 0x01
};
typedef struct ra_session_struct {
unsigned char g_a[64];
unsigned char g_b[64];
unsigned char kdk[16];
unsigned char smk[16];
unsigned char sk[16];
unsigned char mk[16];
unsigned char vk[16];
} ra_session_t;
typedef struct config_struct {
sgx_spid_t spid;
unsigned char pri_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE+1];
unsigned char sec_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE+1];
uint16_t quote_type;
EVP_PKEY *service_private_key;
char *proxy_server;
char *ca_bundle;
char *user_agent;
unsigned int proxy_port;
unsigned char kdk[16];
X509_STORE *store;
X509 *signing_ca;
unsigned int apiver;
int strict_trust;
sgx_measurement_t req_mrsigner;
sgx_prod_id_t req_isv_product_id;
sgx_isv_svn_t min_isvsvn;
int allow_debug_enclave;
} config_t;
void usage();
#ifndef _WIN32
void cleanup_and_exit(int signo);
#endif
int derive_kdk(EVP_PKEY *Gb, unsigned char kdk[16], sgx_ec256_public_t g_a,
config_t *config);
int process_msg01 (MsgIO *msg, IAS_Connection *ias, sgx_ra_msg1_t *msg1,
sgx_ra_msg2_t *msg2, char **sigrl, config_t *config,
ra_session_t *session);
int process_msg3 (MsgIO *msg, IAS_Connection *ias, sgx_ra_msg1_t *msg1,
ra_msg4_t *msg4, config_t *config, ra_session_t *session);
int get_sigrl (IAS_Connection *ias, int version, sgx_epid_group_id_t gid,
char **sigrl, uint32_t *msg2);
int get_attestation_report(IAS_Connection *ias, int version,
const char *b64quote, sgx_ps_sec_prop_desc_t sec_prop, ra_msg4_t *msg4,
int strict_trust);
int get_proxy(char **server, unsigned int *port, const char *url);
int encrypt_data_for_ISV(unsigned char *plaintext, int plaintext_len,
unsigned char *key, unsigned char *iv, unsigned char *ciphertext, uint8_t *tag);
int decrypt_cipher_from_ISV(uint8_t *ciphertext, int ciphertext_len, uint8_t *key,
uint8_t *iv, int iv_len, uint8_t *tag, uint8_t *plaintext);
int base64_encrypt(uint8_t *src, int srclen, uint8_t *dst, int dstlen);
int base64_decrypt(uint8_t *src, int srclen, uint8_t *dst, int dstlen);
uint8_t* generate_nonce(int sz);
string generate_random_filename();
int send_login_info(MsgIO *msgio, ra_session_t session,
string *username, string *datatype);
int process_vcf(string *tar_filename, string *access_list, uint8_t *sp_key,
uint8_t *iv_array, uint8_t *tag_array, ifstream *vcf_ifs);
chrono::system_clock::time_point chrono_start, chrono_end;
void OCALL_chrono_start()
{
chrono_start = chrono::system_clock::now();
}
void OCALL_chrono_end()
{
chrono_end = chrono::system_clock::now();
double elapsed = chrono::duration_cast<chrono::milliseconds>
(chrono_end - chrono_start).count();
cout << endl;
cout << "-----------------------------------------------" << endl;
cout << "Elapsed time is: " << elapsed << "[ms]" << endl;
cout << "-----------------------------------------------" << endl;
cout << endl;
}
char debug = 0;
char verbose = 0;
/* Need a global for the signal handler */
MsgIO *msgio = NULL;
/* Flag to bypass BIOS verification failure */
bool flag_BIOS = false;
int main(int argc, char *argv[])
{
char flag_spid = 0;
char flag_pubkey = 0;
char flag_api_key = 0;
char flag_ca = 0;
char flag_usage = 0;
char flag_noproxy= 0;
char flag_prod= 0;
char flag_stdio= 0;
char flag_isv_product_id= 0;
char flag_min_isvsvn= 0;
char flag_mrsigner= 0;
char *sigrl = NULL;
config_t config;
int oops;
IAS_Connection *ias= NULL;
char *port= NULL;
#ifndef _WIN32
struct sigaction sact;
#endif
/* Command line options */
static struct option long_opt[] =
{
{"ias-signing-cafile", required_argument, 0, 'A'},
{"ca-bundle", required_argument, 0, 'B'},
{"no-debug-enclave", no_argument, 0, 'D'},
{"list-agents", no_argument, 0, 'G'},
{"ias-pri-api-key-file", required_argument, 0, 'I'},
{"ias-sec-api-key-file", required_argument, 0, 'J'},
{"service-key-file", required_argument, 0, 'K'},
{"mrsigner", required_argument, 0, 'N'},
{"production", no_argument, 0, 'P'},
{"isv-product-id", required_argument, 0, 'R'},
{"spid-file", required_argument, 0, 'S'},
{"min-isv-svn", required_argument, 0, 'V'},
{"strict-trust-mode", no_argument, 0, 'X'},
{"debug", no_argument, 0, 'd'},
{"user-agent", required_argument, 0, 'g'},
{"help", no_argument, 0, 'h'},
{"ias-pri-api-key", required_argument, 0, 'i'},
{"ias-sec-api-key", required_argument, 0, 'j'},
{"key", required_argument, 0, 'k'},
{"linkable", no_argument, 0, 'l'},
{"proxy", required_argument, 0, 'p'},
{"api-version", required_argument, 0, 'r'},
{"spid", required_argument, 0, 's'},
{"verbose", no_argument, 0, 'v'},
{"no-proxy", no_argument, 0, 'x'},
{"stdio", no_argument, 0, 'z'},
{ 0, 0, 0, 0 }
};
cout << "*** INFO: SP is running as CLIENT. ***" << endl;
/* Create a logfile to capture debug output and actual msg data */
fplog = create_logfile("sp.log");
fprintf(fplog, "Server log started\n");
/* Config defaults */
memset(&config, 0, sizeof(config));
config.apiver= IAS_API_DEF_VERSION;
/*
* For demo purposes only. A production/release enclave should
* never allow debug-mode enclaves to attest.
*/
config.allow_debug_enclave= 1;
/* Parse our options */
while (1) {
int c;
int opt_index = 0;
off_t offset = IAS_SUBSCRIPTION_KEY_SIZE;
int ret = 0;
char *eptr= NULL;
unsigned long val;
c = getopt_long(argc, argv,
"A:B:DGI:J:K:N:PR:S:V:X:dg:hk:lp:r:s:i:j:vxz",
long_opt, &opt_index);
if (c == -1) break;
switch (c) {
case 0:
break;
case 'A':
if (!cert_load_file(&config.signing_ca, optarg)) {
crypto_perror("cert_load_file");
eprintf("%s: could not load IAS Signing Cert CA\n", optarg);
return 1;
}
config.store = cert_init_ca(config.signing_ca);
if (config.store == NULL) {
eprintf("%s: could not initialize certificate store\n", optarg);
return 1;
}
++flag_ca;
break;
case 'B':
config.ca_bundle = strdup(optarg);
if (config.ca_bundle == NULL) {
perror("strdup");
return 1;
}
break;
case 'D':
config.allow_debug_enclave= 0;
break;
case 'G':
ias_list_agents(stdout);
return 1;
case 'I':
// Get Size of File, should be IAS_SUBSCRIPTION_KEY_SIZE + EOF
ret = from_file(NULL, optarg, &offset);
if ((offset != IAS_SUBSCRIPTION_KEY_SIZE+1) || (ret == 0)) {
eprintf("IAS Primary Subscription Key must be %d-byte hex string.\n",
IAS_SUBSCRIPTION_KEY_SIZE);
return 1;
}
// Remove the EOF
offset--;
// Read the contents of the file
if (!from_file((unsigned char *)&config.pri_subscription_key, optarg, &offset)) {
eprintf("IAS Primary Subscription Key must be %d-byte hex string.\n",
IAS_SUBSCRIPTION_KEY_SIZE);
return 1;
}
break;
case 'J':
// Get Size of File, should be IAS_SUBSCRIPTION_KEY_SIZE + EOF
ret = from_file(NULL, optarg, &offset);
if ((offset != IAS_SUBSCRIPTION_KEY_SIZE+1) || (ret == 0)) {
eprintf("IAS Secondary Subscription Key must be %d-byte hex string.\n",
IAS_SUBSCRIPTION_KEY_SIZE);
return 1;
}
// Remove the EOF
offset--;
// Read the contents of the file
if (!from_file((unsigned char *)&config.sec_subscription_key, optarg, &offset)) {
eprintf("IAS Secondary Subscription Key must be %d-byte hex string.\n",
IAS_SUBSCRIPTION_KEY_SIZE);
return 1;
}
break;
case 'K':
if (!key_load_file(&config.service_private_key, optarg, KEY_PRIVATE)) {
crypto_perror("key_load_file");
eprintf("%s: could not load EC private key\n", optarg);
return 1;
}
break;
case 'N':
if (!from_hexstring((unsigned char *)&config.req_mrsigner,
optarg, 32)) {
eprintf("MRSIGNER must be 64-byte hex string\n");
return 1;
}
++flag_mrsigner;
break;
case 'P':
flag_prod = 1;
break;
case 'R':
eptr= NULL;
val= strtoul(optarg, &eptr, 10);
if ( *eptr != '\0' || val > 0xFFFF ) {
eprintf("Product Id must be a positive integer <= 65535\n");
return 1;
}
config.req_isv_product_id= val;
++flag_isv_product_id;
break;
case 'S':
if (!from_hexstring_file((unsigned char *)&config.spid, optarg, 16)) {
eprintf("SPID must be 32-byte hex string\n");
return 1;
}
++flag_spid;
break;
case 'V':
eptr= NULL;
val= strtoul(optarg, &eptr, 10);
if ( *eptr != '\0' || val > (unsigned long) 0xFFFF ) {
eprintf("Minimum ISV SVN must be a positive integer <= 65535\n");
return 1;
}
config.min_isvsvn= val;
++flag_min_isvsvn;
break;
case 'X':
config.strict_trust= 1;
break;
case 'd':
debug = 1;
break;
case 'g':
config.user_agent= strdup(optarg);
if ( config.user_agent == NULL ) {
perror("malloc");
return 1;
}
break;
case 'i':
if (strlen(optarg) != IAS_SUBSCRIPTION_KEY_SIZE) {
eprintf("IAS Subscription Key must be %d-byte hex string\n",IAS_SUBSCRIPTION_KEY_SIZE);
return 1;
}
strncpy((char *) config.pri_subscription_key, optarg, IAS_SUBSCRIPTION_KEY_SIZE);
break;
case 'j':
if (strlen(optarg) != IAS_SUBSCRIPTION_KEY_SIZE) {
eprintf("IAS Secondary Subscription Key must be %d-byte hex string\n",
IAS_SUBSCRIPTION_KEY_SIZE);
return 1;
}
strncpy((char *) config.sec_subscription_key, optarg, IAS_SUBSCRIPTION_KEY_SIZE);
break;
case 'k':
if (!key_load(&config.service_private_key, optarg, KEY_PRIVATE)) {
crypto_perror("key_load");
eprintf("%s: could not load EC private key\n", optarg);
return 1;
}
break;
case 'l':
config.quote_type = SGX_LINKABLE_SIGNATURE;
break;
case 'p':
if ( flag_noproxy ) usage();
if (!get_proxy(&config.proxy_server, &config.proxy_port, optarg)) {
eprintf("%s: could not extract proxy info\n", optarg);
return 1;
}
// Break the URL into host and port. This is a simplistic algorithm.
break;
case 'r':
config.apiver= atoi(optarg);
if ( config.apiver < IAS_MIN_VERSION || config.apiver >
IAS_MAX_VERSION ) {
eprintf("version must be between %d and %d\n",
IAS_MIN_VERSION, IAS_MAX_VERSION);
return 1;
}
break;
case 's':
if (strlen(optarg) < 32) {
eprintf("SPID must be 32-byte hex string\n");
return 1;
}
if (!from_hexstring((unsigned char *)&config.spid, (unsigned char *)optarg, 16)) {
eprintf("SPID must be 32-byte hex string\n");
return 1;
}
++flag_spid;
break;
case 'v':
verbose = 1;
break;
case 'x':
if ( config.proxy_server != NULL ) usage();
flag_noproxy=1;
break;
case 'z':
flag_stdio= 1;
break;
case 'h':
case '?':
default:
usage();
}
}
/* We should have zero or one command-line argument remaining */
argc-= optind;
if ( argc > 1 ) usage();
/* The remaining argument, if present, is the port number. */
if ( flag_stdio && argc ) {
usage();
} else if ( argc ) {
port= argv[optind];
} else {
port= strdup(DEFAULT_PORT);
if ( port == NULL ) {
perror("strdup");
return 1;
}
}
if ( debug ) {
eprintf("+++ IAS Primary Subscription Key set to '%c%c%c%c........................%c%c%c%c'\n",
config.pri_subscription_key[0],
config.pri_subscription_key[1],
config.pri_subscription_key[2],
config.pri_subscription_key[3],
config.pri_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -4 ],
config.pri_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -3 ],
config.pri_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -2 ],
config.pri_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -1 ]
);
eprintf("+++ IAS Secondary Subscription Key set to '%c%c%c%c........................%c%c%c%c'\n",
config.sec_subscription_key[0],
config.sec_subscription_key[1],
config.sec_subscription_key[2],
config.sec_subscription_key[3],
config.sec_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -4 ],
config.sec_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -3 ],
config.sec_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -2 ],
config.sec_subscription_key[IAS_SUBSCRIPTION_KEY_SIZE -1 ]
);
}
/* Use the default CA bundle unless one is provided */
if ( config.ca_bundle == NULL ) {
config.ca_bundle= strdup(DEFAULT_CA_BUNDLE);
if ( config.ca_bundle == NULL ) {
perror("strdup");
return 1;
}
if ( debug ) eprintf("+++ Using default CA bundle %s\n",
config.ca_bundle);
}
/*
* Use the hardcoded default key unless one is provided on the
* command line. Most real-world services would hardcode the
* key since the public half is also hardcoded into the enclave.
*/
if (config.service_private_key == NULL) {
if (debug) {
eprintf("Using default private key\n");
}
config.service_private_key = key_private_from_bytes(def_service_private_key);
if (config.service_private_key == NULL) {
crypto_perror("key_private_from_bytes");
return 1;
}
}
if (debug) {
eprintf("+++ using private key:\n");
PEM_write_PrivateKey(stderr, config.service_private_key, NULL,
NULL, 0, 0, NULL);
PEM_write_PrivateKey(fplog, config.service_private_key, NULL,
NULL, 0, 0, NULL);
}
if (!flag_spid) {
eprintf("--spid or --spid-file is required\n");
flag_usage = 1;
}
if (!flag_ca) {
eprintf("--ias-signing-cafile is required\n");
flag_usage = 1;
}
if ( ! flag_isv_product_id ) {
eprintf("--isv-product-id is required\n");
flag_usage = 1;
}
if ( ! flag_min_isvsvn ) {
eprintf("--min-isvsvn is required\n");
flag_usage = 1;
}
if ( ! flag_mrsigner ) {
eprintf("--mrsigner is required\n");
flag_usage = 1;
}
if (flag_usage) usage();
/* Initialize out support libraries */
crypto_init();
/* Initialize our IAS request object */
try {
ias = new IAS_Connection(
(flag_prod) ? IAS_SERVER_PRODUCTION : IAS_SERVER_DEVELOPMENT,
0,
(char *)(config.pri_subscription_key),
(char *)(config.sec_subscription_key)
);
}
catch (...) {
oops = 1;
eprintf("exception while creating IAS request object\n");
return 1;
}
if ( flag_noproxy ) ias->proxy_mode(IAS_PROXY_NONE);
else if (config.proxy_server != NULL) {
ias->proxy_mode(IAS_PROXY_FORCE);
ias->proxy(config.proxy_server, config.proxy_port);
}
if ( config.user_agent != NULL ) {
if ( ! ias->agent(config.user_agent) ) {
eprintf("%s: unknown user agent\n", config.user_agent);
return 0;
}
}
/*
* Set the cert store for this connection. This is used for verifying
* the IAS signing certificate, not the TLS connection with IAS (the
* latter is handled using config.ca_bundle).
*/
ias->cert_store(config.store);
/*
* Set the CA bundle for verifying the IAS server certificate used
* for the TLS session. If this isn't set, then the user agent
* will fall back to it's default.
*/
if ( strlen(config.ca_bundle) ) ias->ca_bundle(config.ca_bundle);
/* Get our message IO object. */
if ( flag_stdio ) {
msgio= new MsgIO();
} else {
try {
msgio= new MsgIO("localhost", (port == NULL) ? DEFAULT_PORT : port);
}
catch(...) {
return 1;
}
}
#ifndef _WIN32
/*
* Install some rudimentary signal handlers. We just want to make
* sure we gracefully shutdown the listen socket before we exit
* to avoid "address already in use" errors on startup.
*/
sigemptyset(&sact.sa_mask);
sact.sa_flags= 0;
sact.sa_handler= &cleanup_and_exit;
if ( sigaction(SIGHUP, &sact, NULL) == -1 ) perror("sigaction: SIGHUP");
if ( sigaction(SIGINT, &sact, NULL) == -1 ) perror("sigaction: SIGHUP");
if ( sigaction(SIGTERM, &sact, NULL) == -1 ) perror("sigaction: SIGHUP");
if ( sigaction(SIGQUIT, &sact, NULL) == -1 ) perror("sigaction: SIGHUP");
#endif
/* If we're running in server mode, we'll block here. */
//while ( msgio->server_loop() ) {
ra_session_t session;
sgx_ra_msg1_t msg1;
sgx_ra_msg2_t msg2;
ra_msg4_t msg4;
memset(&session, 0, sizeof(ra_session_t));
/* Read message 0 and 1, then generate message 2 */
if ( ! process_msg01(msgio, ias, &msg1, &msg2, &sigrl, &config,
&session) ) {
eprintf("error processing msg1\n");
goto disconnect;
}
/* Send message 2 */
/*
* sgx_ra_msg2_t is a struct with a flexible array member at the
* end (defined as uint8_t sig_rl[]). We could go to all the
* trouble of building a byte array large enough to hold the
* entire struct and then cast it as (sgx_ra_msg2_t) but that's
* a lot of work for no gain when we can just send the fixed
* portion and the array portion by hand.
*/
dividerWithText(stderr, "Copy/Paste Msg2 Below to Client");
dividerWithText(fplog, "Msg2 (send to Client)");
msgio->send_partial((void *) &msg2, sizeof(sgx_ra_msg2_t));
fsend_msg_partial(fplog, (void *) &msg2, sizeof(sgx_ra_msg2_t));
msgio->send(&msg2.sig_rl, msg2.sig_rl_size);
fsend_msg(fplog, &msg2.sig_rl, msg2.sig_rl_size);
edivider();
/* Read message 3, and generate message 4 */
if ( ! process_msg3(msgio, ias, &msg1, &msg4, &config, &session) ) {
eprintf("error processing msg3\n");
goto disconnect;
}
//sending msg4 complete; starting data encryption with session key "SK"
if(flag_BIOS)
{
cerr << "============ Remote Attestation Information ============" << endl;
cerr << "IAS says that target enclave needs BIOS or CPU microcode update," << endl;
cerr << "But that error message always states that error regardless of BIOS/microcode version," << endl;
cerr << "So just ignore it and complete RA, then starting secret data." << endl;
cerr << "========================================================" << endl;
}
//Load data to process
cout << endl << "Continue processing data. Enter any key to continue: " << endl;
getchar();
//to avoid compile error caused by goto sentence
{
ifstream fin_intp;
string intp_filename, intp_str, username, datatype;
stringstream ss_intp;
int login_ret = send_login_info(msgio, session,
&username, &datatype);
intp_str = "";
if(login_ret == 0) /* Data owner */
{
intp_str += username;
intp_str += "\n";
}
/* variables for vcf transmission */
string tar_filename = "";
string access_list = "";
uint8_t *sp_key = session.sk;
if(datatype == "inquiry")
{
cout << "Waiting for response from ISV...\n" << endl;
}
else if(datatype == "vcf")
{
/* process VCF file to send */
int div_total = 0;
uint8_t *iv_array, *tag_array;
string vcf_filename;
cout << "\nInput filename of vcf to send: ";
cin >> vcf_filename;
cout << endl;
ifstream vcf_ifs(vcf_filename, ios::in);
while(!vcf_ifs)
{
cerr << "Failed to open " << vcf_filename << "." << endl;
cerr << "Input appropriate filename: ";
cin >> vcf_filename;
cout << endl;
vcf_ifs.open(vcf_filename, ios::in);
}
/* DIV_UNIT is defined at upper side of this src. */
size_t est_divnum = 0;
vcf_ifs.seekg(0, ios::end);
est_divnum = vcf_ifs.tellg();
vcf_ifs.seekg(0, ios::beg);
if(est_divnum % DIV_UNIT != 0)
{
est_divnum /= DIV_UNIT;
est_divnum += 1;
}
else
{
est_divnum /= DIV_UNIT;
}
iv_array = new uint8_t[12 * est_divnum]();
tag_array = new uint8_t[16 * est_divnum]();
size_t divnum = 0;
div_total = process_vcf(&tar_filename, &access_list,
sp_key, iv_array, tag_array, &vcf_ifs);
divnum = div_total;
/* remove temporary directory */
string rm_cmd = "rm -rf encrypted_vcf/" + tar_filename;
int sys_ret = system(rm_cmd.c_str());
if(!WIFEXITED(sys_ret))
{
cerr << "Failed to create temporary directory." << endl;
return -1;
}
if(div_total == -1)
{
return -1;
}
string wht_filename, whitelist, wht_tmp, chrom, nation, disease_type;
cout << "\nInput filename of whitelist: ";
cin >> wht_filename;
cout << "\n" << endl;
ifstream wht_ifs(wht_filename);
while(!wht_ifs)
{
cout << "Failed to open whitelist file." << endl;
cout << "Input filename of whitelist appropriately: ";
cin >> wht_filename;
cout << "\n" << endl;
wht_ifs.open(wht_filename);
}
while(getline(wht_ifs, wht_tmp))
{
whitelist += wht_tmp;
whitelist += ';';
}
whitelist.pop_back();
cout << "Input chromosome number of this VCF file: " << endl;
cin >> chrom;
cout << "\nInput nation info of this VCF file: " << endl;
cin >> nation;
cout << "\nInput disease type info of this VCF file: " << endl;
cin >> disease_type;
string vcf_context = "";
vcf_context += whitelist + '\n';
vcf_context += chrom + '\n';
vcf_context += nation + '\n';
vcf_context += disease_type + '\n';
vcf_context += tar_filename + '\n';
vcf_context += username + '\n';
vcf_context += to_string(div_total);
uint8_t *vcf_uctx = (uint8_t*)vcf_context.c_str();
uint8_t *iv_vctx = new uint8_t[12]();
uint8_t *tag_vctx = new uint8_t[16]();
uint8_t *vctx_cipher = new uint8_t[vcf_context.length()]();
uint8_t *vctxb64 = new uint8_t[vcf_context.length() * 2]();
int vctx_cipher_length = 0;
int vctxb64_len = 0;
/* encrypt VCF contexts */
iv_vctx = generate_nonce(12);
vctx_cipher_length = encrypt_data_for_ISV(vcf_uctx,
strlen((char*)vcf_uctx), sp_key, iv_vctx,
vctx_cipher, tag_vctx);
cout << vctx_cipher_length << endl;
BIO_dump_fp(stdout, (char*)vctx_cipher, vcf_context.length());
BIO_dump_fp(stdout, (char*)iv_vctx, 12);
BIO_dump_fp(stdout, (char*)tag_vctx, 16);
/* encode VCF contexts to base64 */
vctxb64_len = base64_encrypt(vctx_cipher, vctx_cipher_length,
vctxb64, vctx_cipher_length * 2);
uint8_t *vctxlen_char =
(uint8_t*)to_string(vctx_cipher_length).c_str();
uint8_t *iv_vctxb64 = new uint8_t[24]();
uint8_t *tag_vctxb64 = new uint8_t[32]();
uint8_t *deflen_vctxb64 = new uint8_t[64]();
int iv_vctxb64_len, tag_vctxb64_len, deflen_vctxb64_len;
iv_vctxb64_len = base64_encrypt(iv_vctx, 12, iv_vctxb64, 24);
tag_vctxb64_len = base64_encrypt(tag_vctx,
16, tag_vctxb64, 32);
deflen_vctxb64_len = base64_encrypt(vctxlen_char,
strlen((char*)vctxlen_char), deflen_vctxb64, 64);
cout << "IVb64:" << endl;
cout << iv_vctxb64 << endl;
cout << "\nTagb64:" << endl;
cout << tag_vctxb64 << endl;
cout << "\ndeflenb64:" << endl;
cout << deflen_vctxb64 << endl;
cout << "\nvctxb64:" << endl;
cout << vctxb64 << endl;
/* send VCF contexts */
cout << "\nSend VCF contexts to ISV..." << endl;
msgio->send_nd(vctxb64, vctxb64_len);
usleep(250000);
msgio->send_nd(iv_vctxb64, iv_vctxb64_len);
usleep(250000);
msgio->send_nd(tag_vctxb64, tag_vctxb64_len);
usleep(250000);
msgio->send_nd(deflen_vctxb64, deflen_vctxb64_len);
/* destruct heaps for VCF */
delete(iv_vctx);
delete(tag_vctx);
delete(vctx_cipher);
delete(vctxb64);
delete(iv_vctxb64);
delete(tag_vctxb64);
delete(deflen_vctxb64);
/* Open tarball */
string tarball_name = "/tmp/" + tar_filename + ".tar";
ifstream tar_ifs(tarball_name, ios::in | ios::binary);
if(!tar_ifs)
{
cerr << "Failed to open tarball." << endl;
return -1;
}
tar_ifs.seekg(0, ios::end);
uint64_t tarball_size = tar_ifs.tellg();
tar_ifs.seekg(0, ios::beg);
int round_num = tarball_size / ROUND_UNIT;