#### [Abblix\.Jwt](https://www.abblix.com/en/docs/api/abblix-jwt 'index')
### [Abblix\.Jwt](https://www.abblix.com/en/docs/api/abblix-jwt/Abblix.Jwt 'Abblix\.Jwt').[ValidationParameters](https://www.abblix.com/en/docs/api/abblix-jwt/Abblix.Jwt.ValidationParameters 'Abblix\.Jwt\.ValidationParameters')

## ValidationParameters\.ResolveTokenDecryptionKeysDelegate\(string\) Delegate

Resolves decryption keys \(JWKs\) asynchronously for a specified issuer\.

```csharp
public delegate System.Collections.Generic.IAsyncEnumerable<Abblix.Jwt.JsonWebKey> ValidationParameters.ResolveTokenDecryptionKeysDelegate(string issuer);
```
#### Parameters

###### `issuer` [System\.String](https://learn.microsoft.com/en-us/dotnet/api/system.string 'System\.String') {#Abblix.Jwt.ValidationParameters.ResolveTokenDecryptionKeysDelegate(string).issuer}

Issuer whose decryption keys are to be resolved\.

#### Returns
[System\.Collections\.Generic\.IAsyncEnumerable&lt;](https://learn.microsoft.com/en-us/dotnet/api/system.collections.generic.iasyncenumerable-1 'System\.Collections\.Generic\.IAsyncEnumerable\`1')[JsonWebKey](https://www.abblix.com/en/docs/api/abblix-jwt/Abblix.Jwt.JsonWebKey 'Abblix\.Jwt\.JsonWebKey')[&gt;](https://learn.microsoft.com/en-us/dotnet/api/system.collections.generic.iasyncenumerable-1 'System\.Collections\.Generic\.IAsyncEnumerable\`1')  
An asynchronous stream of JSON Web Keys\.