Download Kms Client Key
Ronald Raynoso
Users can create client-side encrypted documents using Google Docs editors (such as documents and spreadsheets) or encrypt files they upload to Drive, such as PDFs. Only users with whom an encrypted file is shared with can view it.
Here are some of the Drive features that aren't available with client-side encrypted files. For the complete list of feature limitations, refer to Get started with encrypted files in Drive, Docs, Sheets & Slides .
Users can create events with client-side encrypted descriptions. If you've turned on CSE for Google Drive and Google Meet for users, they can attach client-side encrypted documents to the event and add client-side encrypted online meetings. If CSE is off for Drive and Meet, users can't add attachments or online meetings to client-side encrypted events.
Users can host client-side encrypted meetings when scheduling the meeting in Google Calendar or when starting an instant (unscheduled) meeting. Because of authentication requirements, all participants must be invited to client-side encrypted meetings.
Human-readable Client Metadata values and Client Metadata values that reference human-readable values MAY be represented in multiple languages and scripts. For example, values such as client_name, tos_uri, policy_uri, logo_uri, and client_uri might have multiple locale-specific values in some Client registrations.
Upon successful registration, the Client Registration Endpoint returns the newly created Client Identifier and, if applicable, a Client Secret, along with all registered Metadata about this Client, including any fields provisioned by the Authorization Server itself. The Authorization Server MAY reject or replace any of the Client's requested field values,other than the redirect_uris value,and substitute them with suitable values. If this happens, the Authorization Server MUST include these fields in the response to the Client.An Authorization Server MAY ignore values provided by the clientand MUST ignore any fields sent by the Client that it does not understand.
If a Client Configuration Endpoint and a Registration Access Token are returned by the initial registration of the Client, the Authorization Server MUST provide the Client with the fully qualified URL in the registration_client_uri element of the Client Registration Response, per Section 3.2 (Client Registration Response).The Authorization Server MUST NOT expect the Client to construct or discover this URL on its own. The Client MUST use the URL as given by the server and MUST NOT construct this URL from component pieces.
Upon a successful read operation, the Authorization Server SHOULD return all registered Metadata about this Client, including any fields provisioned by the Authorization Server itself. Note that some values, including the client_secret value, might have been updated since the initial registration. The mechanisms for such updates are beyond the scope of this specification. However, since Read operations are intended to be idempotent, the Client Read Request itself SHOULD NOT cause changes to the Client's registered Metadata values.
In some deployments, it is advantageous to enable Clients to obtain the information necessary to interact with the Authorization Server, such as a Client Identifier, without the requirement that state about the Client be stored at the Authorization Server. The interfaces defined by this specification can be used for stateless dynamic client registration.
One means of doing this is to encode necessary registration information about the Client into the client_id value returned by the initial registration of the Client. This has the effect of having the Client store this information, rather than the Authorization Server. The particular encodings used by different Authorization Servers will differ.
When stateless dynamic client registration is used by the Authorization Server, read operations are likely to not be possible, because issuing a Registration Access Token might require per-Client state at the Authorization Server. In that case, no Client Configuration Endpoint or Registration Access Token will be returned by the initial registration of the Client.
This is primarily a maintenance release with bugfixes and improvements. This release also fixes a security issue (CVE-2020-11810, trac #1272) which allows disrupting service of a freshly connected client that has not yet not negotiated session keys. The vulnerability cannot be used to inject or steal VPN traffic.
Compared to OpenVPN 2.3 this is a major update with a large number of new features, improvements and fixes. Some of the major features are AEAD (GCM) cipher and Elliptic Curve DH key exchange support, improved IPv4/IPv6 dual stack support and more seamless connection migration when client's IP address changes (Peer-ID). Also, the new --tls-crypt feature can be used to increase users' connection privacy.
As a general rule, Entity Framework Core attempts to evaluate a query on the server as much as possible. EF Core converts parts of the query into parameters, which it can evaluate on the client side. The rest of the query (along with the generated parameters) is given to the database provider to determine the equivalent database query to evaluate on the server. EF Core supports partial client evaluation in the top-level projection (essentially, the last call to Select()). If the top-level projection in the query can't be translated to the server, EF Core will fetch any required data from the server and evaluate remaining parts of the query on the client. If EF Core detects an expression, in any place other than the top-level projection, which can't be translated to the server, then it throws a runtime exception. See How queries work to understand how EF Core determines what can't be translated to server.
In the following example, a helper method is used to standardize URLs for blogs, which are returned from a SQL Server database. Since the SQL Server provider has no insight into how this method is implemented, it isn't possible to translate it into SQL. All other aspects of the query are evaluated in the database, but passing the returned URL through this method is done on the client.
While client evaluation is useful, it can result in poor performance sometimes. Consider the following query, in which the helper method is now used in a where filter. Because the filter can't be applied in the database, all the data needs to be pulled into memory to apply the filter on the client. Based on the filter and the amount of data on the server, client evaluation could result in poor performance. So Entity Framework Core blocks such client evaluation and throws a runtime exception.
In such cases, you can explicitly opt into client evaluation by calling methods like AsEnumerable or ToList (AsAsyncEnumerable or ToListAsync for async). By using AsEnumerable you would be streaming the results, but using ToList would cause buffering by creating a list, which also takes additional memory. Though if you're enumerating multiple times, then storing results in a list helps more since there's only one query to the database. Depending on the particular usage, you should evaluate which method is more useful for the case.
If you are using AsAsyncEnumerable and want to compose the query further on client side then you can use System.Interactive.Async library which defines operators for async enumerables. For more information, see client side linq operators.
Since query translation and compilation are expensive, EF Core caches the compiled query plan. The cached delegate may use client code while doing client evaluation of top-level projection. EF Core generates parameters for the client-evaluated parts of the tree and reuses the query plan by replacing the parameter values. But certain constants in the expression tree can't be converted into parameters. If the cached delegate contains such constants, then those objects can't be garbage collected since they're still being referenced. If such an object contains a DbContext or other services in it, then it could cause the memory usage of the app to grow over time. This behavior is generally a sign of a memory leak. EF Core throws an exception whenever it comes across constants of a type that can't be mapped using current database provider. Common causes and their solutions are as follows:
Older EF Core versions supported client evaluation in any part of the query--not just the top-level projection. That's why queries similar to one posted under the Unsupported client evaluation section worked correctly. Since this behavior could cause unnoticed performance issues, EF Core logged a client evaluation warning. For more information on viewing logging output, see Logging.
Optionally EF Core allowed you to change the default behavior to either throw an exception or do nothing when doing client evaluation (except for in the projection). The exception throwing behavior would make it similar to the behavior in 3.0. To change the behavior, you need to configure warnings while setting up the options for your context - typically in DbContext.OnConfiguring, or in Startup.cs if you're using ASP.NET Core.
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