#include <windows.h>
#include <certenroll.h>

int main() {
    HRESULT hr = CoInitialize(NULL);
    if (FAILED(hr)) {
        // 错误处理
        return 1;
    }

    // 创建证书颁发对象
    CComPtr<IX509Enrollment> pEnrollment;
    hr = pEnrollment.CoCreateInstance(CLSID_CX509Enrollment);
    if (FAILED(hr)) {
        // 错误处理
        CoUninitialize();
        return 1;
    }

    // 创建证书请求对象
    CComPtr<IX509CertificateRequest> pCertRequest;
    hr = pCertRequest.CoCreateInstance(CLSID_CX509CertificateRequest);
    if (FAILED(hr)) {
        // 错误处理
        CoUninitialize();
        return 1;
    }

    // 在这里可以设置证书请求的各种属性，比如主题、密钥用途等

    // 将证书请求添加到证书颁发对象中
    hr = pEnrollment->InitializeFromRequest(pCertRequest);
    if (FAILED(hr)) {
        // 错误处理
        CoUninitialize();
        return 1;
    }

    // 提交证书请求并获取颁发的证书
    CComPtr<IX509CertificateRequestCertificate> pCertRequestCert;
    hr = pEnrollment->CreateRequestCertificate(XCN_CRYPT_STRING_BASE64, &pCertRequestCert);
    if (FAILED(hr)) {
        // 错误处理
        CoUninitialize();
        return 1;
    }

    // 在这里可以对颁发的证书进行进一步处理

    // 释放资源
    pCertRequest.Release();
    pCertRequestCert.Release();
    pEnrollment.Release();

    CoUninitialize();
    return 0;
}