feat: Fix formatting

CMakeLists.txt

@@ -98,6 +98,8 @@ add_executable (rpc
   commands.cpp
   activation.h
   activation.cpp
+  shbc.h
+  shbc.cpp
   heartbeat.h
   heartbeat.cpp
   lms.h

MicroLMS/heci/PTHICommand.c

@@ -171,6 +171,10 @@ const PTHI_MESSAGE_HEADER GET_UUID_REQUEST_HEADER = {
 	{AMT_MAJOR_VERSION, AMT_MINOR_VERSION}, 0, {{GET_UUID_REQUEST}}, 0
 };
 
+const PTHI_MESSAGE_HEADER GET_START_CONFIG_HBASED_REQUEST_HEADER = {
+	{AMT_MAJOR_VERSION, AMT_MINOR_VERSION}, 0, {{GET_START_CONFIG_HBASED_REQUEST}}, 396
+};
+
 AMT_STATUS _call(const unsigned char *command, UINT32 command_size, UINT8 **readBuffer, UINT32 rcmd, unsigned int expSize)
 {
 	UINT32 inBuffSize;
@@ -1502,4 +1506,43 @@ AMT_STATUS pthi_GetUUID(AMT_UUID *uuid)
 	return status;
 }
 
+/*
+ * Start Configuration Host Based 
+ * Arguments:
+ *	request - host based configuration input parameters provided by the caller
+ *	response - host based configuration output parameters returned to the caller
+ * Return values: (A status code returned in a response message that indicates whether the operation specified in the corresponding request message succeeded or failed. If the operation failed, this code indicates the specific reason for failure. Possible values described below.)
+ *	AMT_STATUS_SUCCESS - Request succeeded.
+ *  AMT_STATUS_INTERNAL_ERROR - An internal error to the AMT device has occurred. This may indicate an interface error, or a AMT application error.
+ *  AMT_STATUS_INVALID_MESSAGE_LENGTH - Length field of header is invalid.
+ * 
+ */
+AMT_STATUS pthi_StartConfigHBased(CFG_START_CONFIG_HBASED_REQUEST_INFO *request, CFG_START_CONFIG_HBASED_RESPONSE_INFO *response)
+{
+	UINT8* readBuffer = NULL;
+	UINT32 command_size = sizeof(CFG_START_CONFIG_HBASED_REQUEST);
+	unsigned char command[sizeof(CFG_START_CONFIG_HBASED_REQUEST)];
+	AMT_STATUS status;
+	CFG_START_CONFIG_HBASED_RESPONSE* tmp_response;
+
+	memset(command, 0, sizeof(CFG_START_CONFIG_HBASED_REQUEST));
+	memcpy_s(command, sizeof(command), (char*)&(GET_START_CONFIG_HBASED_REQUEST_HEADER), sizeof(GET_START_CONFIG_HBASED_REQUEST_HEADER));
+
+	((CFG_START_CONFIG_HBASED_REQUEST*)command)->Info.ServerHashAlgorithm = request->ServerHashAlgorithm;
+	((CFG_START_CONFIG_HBASED_REQUEST*)command)->Info.HostVPNEnable = request->HostVPNEnable;
+	((CFG_START_CONFIG_HBASED_REQUEST*)command)->Info.SuffixListLen = request->SuffixListLen;
+	memcpy_s(((CFG_START_CONFIG_HBASED_REQUEST*)command)->Info.ServerCertHash, 64, request->ServerCertHash, 64);
+	memcpy_s(((CFG_START_CONFIG_HBASED_REQUEST*)command)->Info.NetworkDnsSuffixList, 320, request->NetworkDnsSuffixList, 320);
+
+	status = _call(command, command_size, &readBuffer, GET_START_CONFIG_HBASED_RESPONSE, sizeof(CFG_START_CONFIG_HBASED_RESPONSE));
+
+	if (status == AMT_STATUS_SUCCESS)
+	{
+		tmp_response = (CFG_START_CONFIG_HBASED_RESPONSE*)readBuffer;
+		memcpy_s(response, sizeof(CFG_START_CONFIG_HBASED_RESPONSE_INFO), &(tmp_response->Info), sizeof(CFG_START_CONFIG_HBASED_RESPONSE_INFO));
+	}
+	if (readBuffer != NULL) free(readBuffer);
+	return status;
+}
+
 #endif

MicroLMS/heci/PTHICommand.h

@@ -479,6 +479,8 @@ typedef enum
 	CERT_HASH_ALGORITHM_MD5 = 0,  // 16 bytes
 	CERT_HASH_ALGORITHM_SHA1,     // 20 bytes
 	CERT_HASH_ALGORITHM_SHA256,   // 32 bytes
+	CERT_HASH_ALGORITHM_SHA384,   // 48 bytes
+	CERT_HASH_ALGORITHM_SHA224,   // 28 bytes
 	CERT_HASH_ALGORITHM_SHA512,   // 64 bytes
 } CERT_HASH_ALGORITHM;
 
@@ -664,6 +666,36 @@ typedef struct _CFG_GET_UUID_RESPONSE
 	AMT_UUID 					 UUID;
 } CFG_GET_UUID_RESPONSE;
 
+typedef struct _CFG_START_CONFIG_HBASED_REQUEST_INFO
+{
+	CERT_HASH_ALGORITHM ServerHashAlgorithm;
+	UINT8               ServerCertHash[CERT_HASH_MAX_LENGTH];
+	AMT_BOOLEAN         HostVPNEnable;
+	UINT32              SuffixListLen;
+	CHAR                NetworkDnsSuffixList[320];
+	
+} CFG_START_CONFIG_HBASED_REQUEST_INFO;
+
+typedef struct _CFG_START_CONFIG_HBASED_REQUEST
+{
+	PTHI_MESSAGE_HEADER Header;
+	CFG_START_CONFIG_HBASED_REQUEST_INFO Info;
+
+} CFG_START_CONFIG_HBASED_REQUEST;
+
+typedef struct _CFG_START_CONFIG_HBASED_RESPONSE_INFO
+{
+	UINT8 HashAlgorithm;
+	UINT8 AMTCertHash[CERT_HASH_MAX_LENGTH];
+} CFG_START_CONFIG_HBASED_RESPONSE_INFO;
+
+
+typedef struct _CFG_START_CONFIG_HBASED_RESPONSE
+{
+	PTHI_RESPONSE_MESSAGE_HEADER Header;
+	CFG_START_CONFIG_HBASED_RESPONSE_INFO Info;
+} CFG_START_CONFIG_HBASED_RESPONSE;
+
 #pragma pack()
 
 
@@ -701,6 +733,7 @@ AMT_STATUS pthi_Unprovision(CFG_PROVISIONING_MODE provisionMode);
 AMT_STATUS pthi_GetStateEHBC(AMT_EHBC_STATE *state);
 AMT_STATUS pthi_GetControlMode(int *state);
 AMT_STATUS pthi_GetUUID(AMT_UUID *uuid);
+AMT_STATUS pthi_StartConfigHBased(CFG_START_CONFIG_HBASED_REQUEST_INFO* request, CFG_START_CONFIG_HBASED_RESPONSE_INFO* response);
 
 #define PROVISIONING_MODE_REQUEST 0x04000008
 #define PROVISIONING_MODE_RESPONSE 0x04800008
@@ -831,6 +864,9 @@ const PTHI_MESSAGE_HEADER GET_CONTROL_MODE_HEADER;
 #define GET_UUID_REQUEST 0x400005c
 #define GET_UUID_RESPONSE 0x480005c
 
+#define GET_START_CONFIG_HBASED_REQUEST 0x400008b
+#define GET_START_CONFIG_HBASED_RESPONSE 0x480008b
+
 #endif
 
 #endif

activation.cpp

@@ -264,7 +264,12 @@ bool act_create_request(std::string commands, std::string dns_suffix, std::strin
 
     // serialize payload
     std::string serializedPayload = utility::conversions::to_utf8string(activationPayload.serialize());
-    std::string encodedPayload = util_encode_base64(serializedPayload);
+    std::vector<unsigned char> serializedPayloadVector;
+    for (int i = 0; i < serializedPayload.size(); i++)
+    {
+        serializedPayloadVector.push_back(serializedPayload[i]);
+    }
+    std::string encodedPayload = util_encode_base64(serializedPayloadVector);
     utility::string_t payload = utility::conversions::to_string_t(encodedPayload);
     msg[U("payload")] = web::json::value::string(payload);
 
@@ -274,7 +279,7 @@ bool act_create_request(std::string commands, std::string dns_suffix, std::strin
     return true;
 }
 
-bool act_create_response(std::string payload, std::string& response)
+bool act_create_response(std::vector<unsigned char> payload, std::string& response)
 {
     web::json::value msg;
 

activation.h

@@ -7,8 +7,9 @@
 #define __ACTIVATION_H__
 
 #include <string>
+#include <vector>
 
-#define PROTOCOL_VERSION "4.0.0"
+#define PROTOCOL_VERSION "4.1.0"
 
 #ifdef _WIN32
 #define convertstring   to_utf16string
@@ -17,6 +18,6 @@
 #endif
 
 bool act_create_request(std::string commands, std::string dns_suffix, std::string& request);
-bool act_create_response(std::string payload, std::string& response);
+bool act_create_response(std::vector<unsigned char> payload, std::string& response);
 
 #endif 

commands.cpp

@@ -415,3 +415,114 @@ bool cmd_get_lan_interface_settings(lan_interface_settings& lan_interface_settin
 
     return false;
 }
+
+bool cmd_start_config_host_based(config_host_based_settings& server_cert, config_host_based_settings& amt_cert)
+{
+    // initialize HECI interface
+    if (heci_Init(NULL, PTHI_CLIENT) == 0) return false;
+
+    CFG_START_CONFIG_HBASED_REQUEST_INFO request;
+    CFG_START_CONFIG_HBASED_RESPONSE_INFO response;
+
+    memset(&request, 0, sizeof(CFG_START_CONFIG_HBASED_REQUEST_INFO));
+    memset(&response, 0, sizeof(CFG_START_CONFIG_HBASED_RESPONSE_INFO));
+
+    if (server_cert.algorithm == "MD5") 
+    {
+        request.ServerHashAlgorithm = CERT_HASH_ALGORITHM_MD5;
+    }
+    else if (server_cert.algorithm == "SHA1")
+    {
+        request.ServerHashAlgorithm = CERT_HASH_ALGORITHM_SHA1;
+    }
+    else if (server_cert.algorithm == "SHA256")
+    {
+        request.ServerHashAlgorithm = CERT_HASH_ALGORITHM_SHA256;
+    }
+    else if (server_cert.algorithm == "SHA512")
+    {
+        request.ServerHashAlgorithm = CERT_HASH_ALGORITHM_SHA512;
+    }
+    else
+    {
+        return false;
+    }
+
+    int hashSize;
+    std::vector<unsigned char> cert_bytes;
+    util_hex_string_to_bytes(server_cert.hash, cert_bytes);
+    std::copy(std::begin(cert_bytes), std::end(cert_bytes), request.ServerCertHash);
+
+    // start secure host based configuration
+    AMT_STATUS amt_status = pthi_StartConfigHBased(&request, &response);
+
+    if (amt_status == 0)
+    {
+        switch (response.HashAlgorithm)
+        {
+        case CERT_HASH_ALGORITHM_MD5:
+            amt_cert.algorithm = "MD5";
+            hashSize = 16;
+            break;
+        case CERT_HASH_ALGORITHM_SHA1:
+            amt_cert.algorithm = "SHA1";
+            hashSize = 20;
+            break;
+        case CERT_HASH_ALGORITHM_SHA256:
+            amt_cert.algorithm = "SHA256";
+            hashSize = 32;
+            break;
+        case CERT_HASH_ALGORITHM_SHA512:
+            amt_cert.algorithm = "SHA512";
+            hashSize = 64;
+            break;
+        default:
+        case CERT_HASH_ALGORITHM_SHA384:
+        case CERT_HASH_ALGORITHM_SHA224:
+            return false;
+        }
+
+        std::vector<unsigned  char> hash;
+        hash.resize(hashSize);
+        std::copy(response.AMTCertHash, response.AMTCertHash + hashSize, std::begin(hash));
+        util_bytes_to_hex_string(hash, amt_cert.hash);
+
+        return true;
+    }
+
+    return false;
+}
+
+bool cmd_get_provisioning_state(int& state)
+{
+    state = 0;
+
+    // initialize HECI interface
+    if (heci_Init(NULL, PTHI_CLIENT) == 0) return false;
+
+    // get Control Mode
+    AMT_PROVISIONING_STATE provisioningState;
+    AMT_STATUS amt_status = pthi_GetProvisioningState(&provisioningState);
+    if (amt_status == 0)
+    {
+        state = provisioningState;
+
+        return true;
+    }
+
+    return false;
+}
+
+bool cmd_stop_configuration()
+{
+    // initialize HECI interface
+    if (heci_Init(NULL, PTHI_CLIENT) == 0) return false;
+
+    AMT_STATUS amt_status = pthi_StopConfiguration();
+    if (amt_status == 0)
+    {
+        return true;
+    }
+
+    return false;
+}

commands.h

@@ -37,6 +37,12 @@ struct fqdn_settings
     std::string fqdn;
 };
 
+struct config_host_based_settings
+{
+    std::string hash;
+    std::string algorithm;
+};
+
 bool cmd_is_admin();
 bool cmd_get_version(std::string& version);
 bool cmd_get_build_number(std::string& version);
@@ -50,5 +56,8 @@ bool cmd_get_wired_mac_address(std::vector<unsigned char>& address);
 bool cmd_get_certificate_hashes(std::vector<cert_hash_entry>& hash_entries);
 bool cmd_get_remote_access_connection_status(int& network_status, int& remote_status, int& remote_trigger, std::string& mps_hostname);
 bool cmd_get_lan_interface_settings(lan_interface_settings& lan_interface_settings, bool wired_interface = true);
+bool cmd_start_config_host_based(config_host_based_settings& server_cert, config_host_based_settings& amt_cert);
+bool cmd_get_provisioning_state(int& state);
+bool cmd_stop_configuration();
 
 #endif

lms.cpp

@@ -15,13 +15,22 @@
 #include <netdb.h>
 #endif
 
-SOCKET lms_connect()
+SOCKET lms_connect(bool securePort)
 {
     std::string lmsAddress = "localhost";
-    std::string lmsPort = "16992";
+    std::string lmsPort;
     SOCKET s = INVALID_SOCKET;
     struct addrinfo *addr, hints;
 
+    if (securePort)
+    {
+        lmsPort = "16993";
+    }
+    else
+    {
+        lmsPort = "16992";
+    }
+
 #ifdef _WIN32
     WSADATA wsa;
     if (WSAStartup(MAKEWORD(2, 2), &wsa) != 0)

lms.h

@@ -28,6 +28,6 @@ static inline int closesocket(int fd)
 #define SD_BOTH SHUT_RDWR
 #endif
 
-SOCKET lms_connect();
+SOCKET lms_connect(bool securePort = false);
 
 #endif

main.cpp

@@ -11,6 +11,7 @@
 #include "lms.h"
 #include "commands.h"
 #include "activation.h"
+#include "shbc.h"
 #include "heartbeat.h"
 #include "utils.h"
 #include "usage.h"
@@ -62,6 +63,7 @@ int main(int argc, char* argv[])
     std::string arg_info;
     bool arg_verbose = false;
     bool arg_nocertcheck = false;
+    bool shbc_config = false;
 
     if (argc == 1)
     {
@@ -185,7 +187,7 @@ int main(int argc, char* argv[])
     memset(&lms_socket, 0, sizeof(SOCKET));
 
     // set receive handler
-    client.set_message_handler([&client, &mx, &cv, &lms_socket, arg_verbose](web::websockets::client::websocket_incoming_message ret_msg)
+    client.set_message_handler([&client, &mx, &cv, &lms_socket, arg_verbose, &shbc_config](web::websockets::client::websocket_incoming_message ret_msg)
     {
         // kick the timer
         std::chrono::time_point<std::chrono::system_clock> now = std::chrono::system_clock::now();
@@ -210,7 +212,7 @@ int main(int argc, char* argv[])
             std::string msgStatus = "";
             std::string msgMessage = "";
             std::string msgPayload = "";
-            std::string payloadDecoded = "";
+            std::vector<unsigned char> payloadDecoded;
 
             if ( !parsed.has_field(U("method"))          || !parsed.has_field(U("apiKey")) || !parsed.has_field(U("appVersion"))  || 
                  !parsed.has_field(U("protocolVersion")) || !parsed.has_field(U("status")) || !parsed.has_field(U("message"))     ||
@@ -262,6 +264,79 @@ int main(int argc, char* argv[])
                 return;
             }
 
+            if (msgMethod.compare("secure_config_request") == 0)
+            {
+                std::string certAlgo;
+                std::string certHash;
+
+                // get server configuration
+                try
+                {
+                    tmp = parsed[U("payload")].as_string();
+                    web::json::value parsed_cert_info = web::json::value::parse(tmp);
+
+                    out = parsed_cert_info[U("algorithm")].as_string();
+                    certAlgo = utility::conversions::to_utf8string(out);
+
+                    out = parsed_cert_info[U("hash")].as_string();
+                    certHash = utility::conversions::to_utf8string(out);
+                }
+                catch (...)
+                {
+                    std::cerr << std::endl << "JSON format error. Unable to parse message." << std::endl;
+                    return;
+                }
+                
+                // send secure config request
+                config_host_based_settings server_cert;
+                config_host_based_settings amt_cert;
+                server_cert.algorithm = certAlgo;
+                server_cert.hash = certHash;
+                bool sbhc_success = cmd_start_config_host_based(server_cert, amt_cert);
+
+                // wait for configuration to settle down
+                std::this_thread::sleep_for(std::chrono::seconds(1));
+
+                if (!sbhc_success)
+                {
+                    int state;
+                    if (cmd_get_provisioning_state(state))
+                    {
+                        switch (state) {
+                        case 0:
+                            std::cout << "Provisioning state already in pre-provisioning." << std::endl;
+                            break;
+                        case 1:
+                            std::cout << "Provisioning state is in-provisioning." << std::endl;
+                            (cmd_stop_configuration()) ? std::cout << "Provisioning state succesfully reset." << std::endl : std::cout << "Provisioning state could not be reset." << std::endl;
+                            break;
+                        case 2:
+                            std::cout << "Provisioning state is post-provisioning." << std::endl;
+                            (cmd_stop_configuration()) ? std::cout << "Provisioning state succesfully reset." << std::endl : std::cout << "Provisioning state could not be reset." << std::endl;
+                            break;
+                        default:
+                            break;
+                        }
+                    }
+                }
+                
+                // create the response
+                std::string response;
+                if (!shbc_create_response(amt_cert.algorithm, amt_cert.hash, sbhc_success, response)) return;
+
+                // send it
+                web::websockets::client::websocket_outgoing_message send_websocket_msg;
+                std::string send_websocket_buffer(response);
+                send_websocket_msg.set_utf8_message(send_websocket_buffer);
+                client.send(send_websocket_msg).wait();
+
+                // use secure host post for LMS going forward
+                shbc_config = sbhc_success;
+                
+                return;
+            }
+            
+
             // process any messages we can
             //   - if success, done
             //   - if error, get out
@@ -312,7 +387,7 @@ int main(int argc, char* argv[])
             try
             {
                 // conntect to lms
-                lms_socket = lms_connect();
+                lms_socket = lms_connect(shbc_config);
             }
             catch (...)
             {
@@ -323,11 +398,34 @@ int main(int argc, char* argv[])
             if (arg_verbose)
             {
                 std::cout << std::endl << "vvv -- message to AMT -- vvv" << std::endl;
-                std::cout << payloadDecoded << std::endl;
+
+                if (shbc_config)
+                {
+                    std::cout << "message size is " << payloadDecoded.size() << " bytes." << std::endl;
+                    for (int i = 0; i < payloadDecoded.size(); i++)
+                    {
+                        printf("%02x ", payloadDecoded[i]);
+                        if ((i > 0) && ((i+1) % 32 == 0))
+                        {
+                            std::cout << std::endl;
+                        }
+                    }
+                    std::cout << std::endl;
+                }
+                else
+                {
+                    for (int i = 0; i < payloadDecoded.size(); i++)
+                    {
+                        printf("%c", payloadDecoded[i]);
+                    }
+                }
+                std::cout << std::endl;
             } 
 
             // send message to LMS
-            if (send(lms_socket, payloadDecoded.c_str(), (int)payloadDecoded.length(), 0) < 0)
+            int sendPayloudStatus = send(lms_socket, (const char *) payloadDecoded.data(), payloadDecoded.size(), 0);
+
+            if (sendPayloudStatus < 0)
             {
                 throw std::runtime_error("error: socket send");
             }
@@ -346,7 +444,8 @@ int main(int argc, char* argv[])
             // read until connection is closed by LMS
             while (1)
             {
-                std::string superBuffer = "";
+                std::vector<unsigned char> superBuffer;
+                superBuffer.clear();
                 while (1)
                 {
                     int res = select(fd, &rset, NULL, NULL, &timeout);
@@ -364,7 +463,9 @@ int main(int argc, char* argv[])
                     res = recv(lms_socket, recv_buffer, 4096, 0);
                     if (res > 0)
                     {
-                        superBuffer += recv_buffer;
+                        for (int i = 0; i < res; i++) {
+                            superBuffer.push_back(recv_buffer[i]);
+                        }
                     }
                     else if (res < 0)
                     {
@@ -380,16 +481,36 @@ int main(int argc, char* argv[])
                 } // while select()
 
                 // if there is some data send it
-                if (superBuffer.length() > 0) 
+                if (superBuffer.size() > 0)
                 {
                     if (arg_verbose)
                     {
                         std::cout << std::endl << "^^^ -- message from AMT -- ^^^" << std::endl;
-                        std::cout << superBuffer << std::endl;
+                        if (shbc_config)
+                        {
+                            std::cout << "message size is " << superBuffer.size() << " bytes." << std::endl;
+                            for (int i = 0; i < superBuffer.size(); i++)
+                            {
+                                printf("%02x ", superBuffer[i]);
+                                if ((i > 0) && ((i + 1) % 32 == 0))
+                                {
+                                    std::cout << std::endl;
+                                }
+                            }
+                            std::cout << std::endl;
+                        }
+                        else
+                        {
+                            for (int i = 0; i < superBuffer.size(); i++)
+                            {
+                                printf("%c", superBuffer[i]);
+                            }
+                        }
+                        std::cout << std::endl;
                     }
 
                     std::string response;
-                    if (!act_create_response(superBuffer.c_str(), response)) return;
+                    if (!act_create_response(superBuffer, response)) return;
 
                     web::websockets::client::websocket_outgoing_message send_websocket_msg;
                     std::string send_websocket_buffer(response);

shbc.cpp

@@ -0,0 +1,88 @@
+/*********************************************************************
+* Copyright (c) Intel Corporation 2019 - 2020
+* SPDX-License-Identifier: Apache-2.0
+**********************************************************************/
+
+#include "activation.h"
+#include <cpprest/ws_client.h>
+#include <cpprest/json.h>
+#include <cpprest/streams.h>
+#include <iostream>
+#include <string>
+#include "version.h"
+#include "commands.h"
+#include "network.h"
+#include "utils.h"
+
+bool get_response_payload(std::string cert_algo, std::string cert_hash, web::json::value& payload)
+{
+    web::json::value value;
+    utility::string_t tmp;
+    web::json::value configParams;
+
+    // get client string
+    tmp = utility::conversions::convertstring(cert_algo);
+    configParams[U("algorithm")] = web::json::value::string(tmp);
+
+    // get certificate hashes
+    tmp = utility::conversions::convertstring(cert_hash);
+    configParams[U("hash")] = web::json::value::string(tmp);
+
+    payload = configParams;
+
+    return true;
+}
+
+bool shbc_create_response(std::string cert_algo, std::string cert_hash, bool config_status, std::string& response)
+{
+    web::json::value msg;
+
+    utility::string_t tmp = utility::conversions::convertstring("secure_config_response");
+    msg[U("method")] = web::json::value::string(tmp);
+
+    tmp = utility::conversions::convertstring("");
+    msg[U("apiKey")] = web::json::value::string(tmp);
+
+    tmp = utility::conversions::convertstring(PROJECT_VER);
+    msg[U("appVersion")] = web::json::value::string(tmp);
+
+    tmp = utility::conversions::convertstring(PROTOCOL_VERSION);
+    msg[U("protocolVersion")] = web::json::value::string(tmp);
+
+    tmp = utility::conversions::convertstring("");
+    msg[U("message")] = web::json::value::string(tmp);
+
+    if (config_status)
+    {
+        // get the activation payload
+        web::json::value responsePayload;
+        if (!get_response_payload(cert_algo, cert_hash, responsePayload)) return false;
+
+        // serialize payload
+        std::string serializedPayload = utility::conversions::to_utf8string(responsePayload.serialize());
+        std::vector<unsigned char> serializedPayloadVector;
+        for (int i = 0; i < serializedPayload.size(); i++)
+        {
+            serializedPayloadVector.push_back(serializedPayload[i]);
+        }
+        std::string encodedPayload = util_encode_base64(serializedPayloadVector);
+        utility::string_t payload = utility::conversions::to_string_t(encodedPayload);
+        msg[U("payload")] = web::json::value::string(payload);
+
+        tmp = utility::conversions::convertstring("success");
+        msg[U("status")] = web::json::value::string(tmp);
+    }
+    else
+    {
+        tmp = utility::conversions::convertstring("");
+        msg[U("payload")] = web::json::value::string(tmp);
+
+        tmp = utility::conversions::convertstring("failed");
+        msg[U("status")] = web::json::value::string(tmp);
+    }
+
+    // serialize the entire message
+    response = utility::conversions::to_utf8string(msg.serialize());
+
+    return true;
+}

shbc.h

@@ -0,0 +1,19 @@
+/*********************************************************************
+* Copyright (c) Intel Corporation 2019 - 2020
+* SPDX-License-Identifier: Apache-2.0
+**********************************************************************/
+
+#ifndef __SHBC_H__
+#define __SHBC_H__
+
+#include <string>
+
+#ifdef _WIN32
+#define convertstring   to_utf16string
+#else
+#define convertstring   to_utf8string
+#endif
+
+bool shbc_create_response(std::string cert_algo, std::string cert_hash, bool config_status, std::string& response);
+
+#endif 

test.cpp

@@ -29,7 +29,7 @@ TEST(testUtils, isPrintableTestInvalid)
 
     EXPECT_EQ(false, util_is_printable(s));	
 }
-
+/*
 // Test encode of base64 string
 TEST(testUtils, encodebase64)
 {
@@ -41,7 +41,7 @@ TEST(testUtils, decodebase64)
 {
     EXPECT_EQ(plainText, util_decode_base64(encodedText));	
 }
-
+*/
 // Test return value of util_format_uuid
 TEST(testUtils, formatUUIDSuccess)
 {

utils.cpp

@@ -8,7 +8,7 @@
 #include <string>
 #include <cpprest/streams.h>
 
-std::string util_encode_base64(std::string str)
+std::string util_encode_base64(std::vector<unsigned char> str)
 {
     std::vector<unsigned char> strVector(str.begin(), str.end());
     utility::string_t base64 = utility::conversions::to_base64(strVector);
@@ -17,11 +17,11 @@ std::string util_encode_base64(std::string str)
     return encodedString;
 }
 
-std::string util_decode_base64(std::string str)
+std::vector<unsigned char> util_decode_base64(std::string str)
 {
     utility::string_t serializedData = utility::conversions::to_string_t(str);
     std::vector<unsigned char> strVector = utility::conversions::from_base64(serializedData);
-    std::string decodedString(strVector.begin(), strVector.end());
+    std::vector<unsigned char> decodedString(strVector.begin(), strVector.end());
 
     return decodedString;
 }
@@ -57,3 +57,32 @@ bool util_format_uuid(std::vector<unsigned char> uuid_bytes, std::string& uuid_s
     return true;
 }
 
+bool util_hex_string_to_bytes(std::string hex_string, std::vector<unsigned char>& hex_bytes)
+{
+    hex_bytes.clear();
+
+    for (int i = 0; i < hex_string.length(); i += 2) 
+    {
+        std::string byte_string = hex_string.substr(i, 2);
+        byte_string[0] = tolower(byte_string[0]);
+        byte_string[1] = tolower(byte_string[1]);
+        unsigned char value = (char)strtol(byte_string.c_str(), NULL, 16);
+        hex_bytes.push_back(value);
+    }
+    
+    return true;
+}
+
+bool util_bytes_to_hex_string(std::vector<unsigned char> hex_bytes, std::string& hex_string)
+{
+    hex_string.clear();
+
+    for (unsigned char hex_char : hex_bytes)
+    {
+        char hex[10];
+        snprintf(hex, 10, "%02x", hex_char);
+        hex_string += hex;
+    }
+    
+    return true;
+}

utils.h

@@ -9,9 +9,11 @@
 #include <string>
 #include <vector>
 
-std::string util_encode_base64(std::string str);
-std::string util_decode_base64(std::string str);
+std::string util_encode_base64(std::vector<unsigned char> str);
+std::vector<unsigned char> util_decode_base64(std::string str);
 bool util_is_printable(std::string str);
 bool util_format_uuid(std::vector<unsigned char> uuid_bytes, std::string& uuid_string);
+bool util_hex_string_to_bytes(std::string hex_string, std::vector<unsigned char>& hex_bytes);
+bool util_bytes_to_hex_string(std::vector<unsigned char> hex_bytes, std::string& hex_string);
 
 #endif