Проверка подписи (упрощённые функции)

    CRYPT_VERIFY_MESSAGE_PARA cryptVerifyPara = { sizeof(cryptVerifyPara) };
    cryptVerifyPara.dwMsgAndCertEncodingType = 
        X509_ASN_ENCODING | PKCS_7_ASN_ENCODING;

    CADES_VERIFY_MESSAGE_PARA verifyPara = { sizeof(verifyPara) };
    verifyPara.pVerifyMessagePara = &cryptVerifyPara;

    PCADES_VERIFICATION_INFO pVerifyInfo = 0;

    PCRYPT_DATA_BLOB pContent = 0;
    if(!CadesVerifyMessage(&verifyPara,0,
        &message[0],(DWORD)message.size(),&pContent,&pVerifyInfo))
    {
        CadesFreeVerificationInfo(pVerifyInfo);
        std::cout << "CadesVerifyMessage() failed" << std::endl;
        return;
    }

    if(pVerifyInfo->dwStatus != CADES_VERIFY_SUCCESS )
        std::cout << "Message is not verified successfully." << std::endl;
    else
        std::cout << "Message verified successfully." << std::endl;

    if(!CadesFreeVerificationInfo(pVerifyInfo))
    {
        CadesFreeBlob(pContent);
        std::cout << "CadesFreeVerificationInfo() failed" << std::endl;
        return;
    }

    if(!CadesFreeBlob(pContent))
    {
        std::cout << "CadesFreeBlob() failed" << std::endl;
        return;
    }

    // Конец проверки сообщения