- 1 year ago
C++ adding certificate to Trust Root storage in Windows
Comment
1 / 1
To add a certificate to the Trusted Root Certification Authorities store in Windows using C++, you can use the Windows CryptoAPI. Here's an example code snippet that demonstrates how to accomplish this:
cpp#include <iostream>
#include <windows.h>
#include <wincrypt.h>
#pragma comment(lib, "crypt32.lib")
int main()
{
const char* certificatePath = "C:\\path\\to\\certificate.crt";
// Open the certificate file
HANDLE hFile = CreateFileA(certificatePath, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
std::cerr << "Failed to open certificate file" << std::endl;
return 1;
}
// Get the size of the certificate file
DWORD fileSize = GetFileSize(hFile, NULL);
if (fileSize == INVALID_FILE_SIZE)
{
std::cerr << "Failed to get file size" << std::endl;
CloseHandle(hFile);
return 1;
}
// Allocate memory for the certificate data
BYTE* certData = new BYTE[fileSize];
// Read the certificate file contents into memory
DWORD bytesRead = 0;
if (!ReadFile(hFile, certData, fileSize, &bytesRead, NULL) || bytesRead != fileSize)
{
std::cerr << "Failed to read certificate file" << std::endl;
CloseHandle(hFile);
delete[] certData;
return 1;
}
// Close the certificate file handle
CloseHandle(hFile);
// Initialize the certificate context
PCCERT_CONTEXT pCertContext = CertCreateCertificateContext(X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, certData, fileSize);
if (pCertContext == NULL)
{
std::cerr << "Failed to create certificate context" << std::endl;
delete[] certData;
return 1;
}
// Open the certificate store
HCERTSTORE hCertStore = CertOpenSystemStore(NULL, "ROOT");
if (hCertStore == NULL)
{
std::cerr << "Failed to open certificate store" << std::endl;
CertFreeCertificateContext(pCertContext);
delete[] certData;
return 1;
}
// Add the certificate to the store
if (!CertAddCertificateContextToStore(hCertStore, pCertContext, CERT_STORE_ADD_REPLACE_EXISTING, NULL))
{
std::cerr << "Failed to add certificate to store" << std::endl;
}
else
{
std::cout << "Certificate added to Trusted Root Certification Authorities store" << std::endl;
}
// Cleanup
CertCloseStore(hCertStore, 0);
CertFreeCertificateContext(pCertContext);
delete[] certData;
return 0;
}
Make sure to replace "C:\\path\\to\\certificate.crt" with the actual path to your certificate file. The code reads the certificate file, creates a certificate context, opens the Trusted Root Certification Authorities store, and adds the certificate to the store using CertAddCertificateContextToStore.
Note that this code assumes that you have appropriate permissions to modify the Trusted Root Certification Authorities store. You may need to run the code with administrative privileges.
Additionally, you need to link against the crypt32.lib library. You can do this by either specifying it in your project settings or adding #pragma comment(lib, "crypt32.lib") in your code.
Ensure that you handle any potential errors or exceptions and add appropriate error-checking and validation in a production environment