#### [Abblix\.Oidc\.Server](https://www.abblix.com/en/docs/api/abblix-oidc-server 'index')
### [Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation')

## IBackChannelAuthenticationContextValidator Interface

Defines a contract for validating the context of a backchannel authentication request\.
Implementations of this interface are responsible for ensuring that the backchannel authentication request
meets all necessary validation criteria based on the context, which may include client information,
requested scopes, and other parameters\.

```csharp
public interface IBackChannelAuthenticationContextValidator
```

Derived  
↳ [BackChannelAuthenticationValidatorComposite](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.BackChannelAuthenticationValidatorComposite 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.BackChannelAuthenticationValidatorComposite')  
↳ [BackChannelAuthorizationDetailsValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.BackChannelAuthorizationDetailsValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.BackChannelAuthorizationDetailsValidator')  
↳ [ClientValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.ClientValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.ClientValidator')  
↳ [PingModeValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.PingModeValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.PingModeValidator')  
↳ [PushModeValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.PushModeValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.PushModeValidator')  
↳ [RequestedExpiryValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.RequestedExpiryValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.RequestedExpiryValidator')  
↳ [ResourceValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.ResourceValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.ResourceValidator')  
↳ [ScopeValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.ScopeValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.ScopeValidator')  
↳ [UserCodeValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.UserCodeValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.UserCodeValidator')  
↳ [UserIdentityValidator](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.UserIdentityValidator 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.UserIdentityValidator')
### Methods

## IBackChannelAuthenticationContextValidator\.ValidateAsync\(BackChannelAuthenticationValidationContext\) Method {#Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.IBackChannelAuthenticationContextValidator.ValidateAsync(Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.BackChannelAuthenticationValidationContext)}

Asynchronously validates the backchannel authentication request context\.
This method checks the context of the request, including client information and requested parameters,
to ensure compliance with security and protocol requirements\.

```csharp
System.Threading.Tasks.Task<Abblix.Oidc.Server.Common.OidcError?> ValidateAsync(Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.BackChannelAuthenticationValidationContext context);
```
#### Parameters

###### `context` [BackChannelAuthenticationValidationContext](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.BackChannelAuthenticationValidationContext 'Abblix\.Oidc\.Server\.Endpoints\.BackChannelAuthentication\.Validation\.BackChannelAuthenticationValidationContext') {#Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.IBackChannelAuthenticationContextValidator.ValidateAsync(Abblix.Oidc.Server.Endpoints.BackChannelAuthentication.Validation.BackChannelAuthenticationValidationContext).context}

The context of the backchannel authentication request that needs to be validated\.

#### Returns
[System\.Threading\.Tasks\.Task&lt;](https://learn.microsoft.com/en-us/dotnet/api/system.threading.tasks.task-1 'System\.Threading\.Tasks\.Task\`1')[OidcError](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Common.OidcError 'Abblix\.Oidc\.Server\.Common\.OidcError')[&gt;](https://learn.microsoft.com/en-us/dotnet/api/system.threading.tasks.task-1 'System\.Threading\.Tasks\.Task\`1')  
A task that represents the asynchronous validation operation\. The task result contains
a [OidcError](https://www.abblix.com/en/docs/api/abblix-oidc-server/Abblix.Oidc.Server.Common.OidcError 'Abblix\.Oidc\.Server\.Common\.OidcError') if validation fails, or null if the context is valid\.