证书存储区中证书的私钥不可读

我想我和这个人一样有同样的问题,但我没有他/她那么幸运,因为提供的解决方案对我不起作用。

提供的解决方案在C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys不在子目录中)和C:\Users\[Username]\AppData\Roaming\Microsoft\Crypto\RSA (和子目录)中查找文件但是因为我希望安装程序将应用程序安装到所有用户,所以自定义操作在SYSTEM -User下运行,这导致实际在C:\ProgramData\Application Data\Microsoft\Crypto\RSA\S-1-5-18

当以管理员(右键单击 – >运行为管理员)运行“普通”应用程序执行完全相同的代码时,将在C:\Users\[Username]\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1154405193-2177794320-4133247715-1000创建一个文件C:\Users\[Username]\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1154405193-2177794320-4133247715-1000

使用WIX自定义操作生成的证书似乎没有私钥(“ 密钥集不存在 ”),而“正常”应用程序生成的证书具有。

在查看文件的权限时,它们似乎没问题,即使它们不同(工作者确实包括SYSTEM用户),即使将SYSTEM 1添加到(“非工作”)文件后我也无法在这里读取私钥,同样的错误。

然后我使用FindPrivateKey工具找到相应的文件,但我得到的是"Unable to obtain private key file name"

好的,这里有什么? Windows在哪里存储SYSTEM用户存储的证书的私钥? 也许没有创建任何私钥文件? 为什么?

通过谷歌几乎所有的东西我得到了一个解决方案…据我了解有一些事情要做:

  1. 生成X509Certificate2
  2. 确保私钥容器是持久的(不是临时的)
  3. 确保对经过身份validation的用户具有访问规则 ,以便他们可以看到私钥

所以最终的代码是:

 X509Certificate2 nonPersistentCert = CreateACertSomehow(); // this is only required since there's no constructor for X509Certificate2 that uses X509KeyStorageFlags but a password // so we create a tmp password, which is not reqired to be secure since it's only used in memory // and the private key will be included (plain) in the final cert anyway const string TMP_PFX_PASSWORD = "password"; // create a pfx in memory ... byte[] nonPersistentCertPfxBytes = nonPersistentCert.Export(X509ContentType.Pfx, TMP_PFX_PASSWORD); // ... to get an X509Certificate2 object with the X509KeyStorageFlags.PersistKeySet flag set X509Certificate2 serverCert = new X509Certificate2(nonPersistentCertPfxBytes, TMP_PFX_PASSWORD, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.Exportable); // use X509KeyStorageFlags.Exportable only if you want the private key to tbe exportable // get the private key, which currently only the SYSTEM-User has access to RSACryptoServiceProvider systemUserOnlyReadablePrivateKey = serverCert.PrivateKey as RSACryptoServiceProvider; // create cspParameters CspParameters cspParameters = new CspParameters(systemUserOnlyReadablePrivateKey.CspKeyContainerInfo.ProviderType, systemUserOnlyReadablePrivateKey.CspKeyContainerInfo.ProviderName, systemUserOnlyReadablePrivateKey.CspKeyContainerInfo.KeyContainerName) { // CspProviderFlags.UseArchivableKey means the key is exportable, if you don't want that use CspProviderFlags.UseExistingKey instead Flags = CspProviderFlags.UseMachineKeyStore | CspProviderFlags.UseArchivableKey, CryptoKeySecurity = systemUserOnlyReadablePrivateKey.CspKeyContainerInfo.CryptoKeySecurity }; // add the access rules cspParameters.CryptoKeySecurity.AddAccessRule(new CryptoKeyAccessRule(new SecurityIdentifier(WellKnownSidType.AuthenticatedUserSid, null), CryptoKeyRights.GenericRead, AccessControlType.Allow)); // create a new RSACryptoServiceProvider from the cspParameters and assign that as the private key RSACryptoServiceProvider allUsersReadablePrivateKey = new RSACryptoServiceProvider(cspParameters); serverCert.PrivateKey = allUsersReadablePrivateKey; // finally place it into the cert store X509Store rootStore = new X509Store(StoreName.My, StoreLocation.LocalMachine); rootStore.Open(OpenFlags.ReadWrite); rootStore.Add(serverCert); rootStore.Close(); // :)