<PackageReference Include="Microsoft.IdentityModel.Tokens" Version="8.19.1" />

Microsoft.IdentityModel.Tokens.Experimental.SignatureKeyResolverDelegate

public sealed delegate SignatureKeyResolverDelegate : MulticastDelegate
Resolves the signing key used for validating a token's signature.
public SignatureKeyResolverDelegate(object object, IntPtr method)

public virtual IAsyncResult BeginInvoke(string token, SecurityToken securityToken, string kid, ValidationParameters validationParameters, BaseConfiguration configuration, CallContext callContext, AsyncCallback callback, object object)

public virtual SecurityKey EndInvoke(IAsyncResult result)

public virtual SecurityKey Invoke(string token, SecurityToken securityToken, string kid, ValidationParameters validationParameters, BaseConfiguration configuration, CallContext callContext)