我正在实现必须使用 Java webservice 的 ac# webservice 客户端。通信协议为https，必须通过证书（包括私钥）进行身份验证。
据我所知，私钥的目的是识别 Web 服务背后的正确客户数据库。
我不知道证书文件的格式，因为它的文件扩展名为“txt”。如果我尝试通过 mmc 控制台将此文件导入 Windows 证书存储区，则会发生错误“无法识别文件类型”（我是从德语翻译过来的，所以在英语中听起来可能有点不同）。所以我的客户端应用程序不能使用这个证书，它不会在证书存储中找到它。
我试图实例化证书并将文件位置传递给构造函数。
mVerifyCert = new X509Certificate2(AppConfig.Settings.Default.CertificateAndKeyFileFullName);
但随后发生以下异常（英文可能是“System.Security.Cryptography.CryptographicException：找不到对象。”
{System.Security.Cryptography.CryptographicException: Das angeforderte Objekt wurde nicht gefunden。
北 System.Security.Cryptography.CryptographicException.ThrowCryptogaphicException(Int32 hr) 北 System.Security.Cryptography.X509Certificates.X509Utils._QueryCertFileType(字符串文件名) 北 System.Security.Cryptography.X509Certificates.X509Certificate.LoadCertificateFromFile(字符串文件名，对象密码，X509KeyStorageFlags keyStorageFlags) bei System.Security.Cryptography.X509Certificates.X509Certificate..ctor(String fileName) bei System.Security.Cryptography.X509Certificates.X509Certificate2..ctor(String fileName)
所以现在有人可能会认为文件有问题。但是当这个文件与 SoapUI 工具一起使用来测试 web 服务时，它可以正常工作。我也有 java 示例客户端应用程序，它使用这个文件和 java 信任库，它适用于 java 客户端。
我还尝试将文件扩展名从“txt”更改为“p12”、“pem”，以便能够将文件导入 Windows 证书存储但没有成功。
你能告诉我这里有什么问题吗？我能做些什么来解决这个问题。我一点头绪都没有。
这是我的 app.config：
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<configSections>
<sectionGroup name="userSettings" type="System.Configuration.UserSettingsGroup, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" >
<section name="QcsiSync.Properties.Settings" type="System.Configuration.ClientSettingsSection, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" allowExeDefinition="MachineToLocalUser" requirePermission="false" />
</sectionGroup>
</configSections>
<userSettings>
<QcsiSync.Properties.Settings>
<setting name="DefactInstanceXmlFileNameFull" serializeAs="String">
<value>..\..\Data\getDefactInstance.xml</value>
</setting>
<setting name="DefactInstanceXmlDotNet" serializeAs="String">
<value>..\..\Data\DefactInstanceXmlDotNet.xml</value>
</setting>
<setting name="WebServiceUrl" serializeAs="String">
<value>https://xyz.com/wsAdapter</value>
</setting>
<setting name="CertificateFileFullName" serializeAs="String">
<value>..\..\Data\sdm.crt</value>
</setting>
<setting name="CertificateAndKeyFileFullName" serializeAs="String">
<value>..\..\Data\sdmCert + key.txt</value>
</setting>
<setting name="QcSupplierUrl" serializeAs="String">
<value>https://xyz.net/qcbin</value>
</setting>
<setting name="QcSupplierUsername" serializeAs="String">
<value>xyz</value>
</setting>
<setting name="QcSupplierPassword" serializeAs="String">
<value>xyz</value>
</setting>
<setting name="QcSupplierDomain" serializeAs="String">
<value>xyz</value>
</setting>
<setting name="QcSupplierProjetName" serializeAs="String">
<value>xyz</value>
</setting>
</QcsiSync.Properties.Settings>
</userSettings>
<system.serviceModel>
<bindings>
<basicHttpBinding>
<binding name="WSAdapterBFPortBinding" closeTimeout="00:01:00"
openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard"
maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
messageEncoding="Mtom" textEncoding="utf-8" transferMode="Buffered"
useDefaultWebProxy="true">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"
maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<security mode="None">
<transport clientCredentialType="None" proxyCredentialType="None"
realm="" />
<message clientCredentialType="UserName" algorithmSuite="Default" />
</security>
</binding>
<binding name="WSAdapterBFPortBinding1" closeTimeout="00:01:00"
openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard"
maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
messageEncoding="Mtom" textEncoding="utf-8" transferMode="Buffered"
useDefaultWebProxy="true">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"
maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<security mode="Transport">
<transport clientCredentialType="None" proxyCredentialType="None"
realm="" />
<message clientCredentialType="UserName" algorithmSuite="Default" />
</security>
</binding>
<!--<binding name="WSAdapterBFPortBinding2" closeTimeout="00:01:00"
openTimeout="00:01:00" receiveTimeout="00:10:00" sendTimeout="00:01:00"
allowCookies="false" bypassProxyOnLocal="false" hostNameComparisonMode="StrongWildcard"
maxBufferSize="65536" maxBufferPoolSize="524288" maxReceivedMessageSize="65536"
messageEncoding="Mtom" textEncoding="utf-8" transferMode="Buffered"
useDefaultWebProxy="true">
<readerQuotas maxDepth="32" maxStringContentLength="8192" maxArrayLength="16384"
maxBytesPerRead="4096" maxNameTableCharCount="16384" />
<security mode="None">
<transport clientCredentialType="None" proxyCredentialType="None"
realm="" />
<message clientCredentialType="UserName" algorithmSuite="Default" />
</security>
</binding>-->
</basicHttpBinding>
</bindings>
<client>
<endpoint address="http://localhost:8890/wsAdapter" binding="basicHttpBinding"
bindingConfiguration="WSAdapterBFPortBinding" contract="QcsiWS.WSAdapterBCI"
name="WSAdapterBFPortHttp" />
<endpoint address="https://xyz.com/wsAdapter"
binding="basicHttpBinding" bindingConfiguration="WSAdapterBFPortBinding1"
contract="QcsiWebService.WSAdapterBCI" name="WSAdapterBFPortHttps" />
</client>
</system.serviceModel>
</configuration