/// <summary>
/// Gets a signing key based on settings
/// </summary>
/// <param name="settings">The identity settings</param>
/// <returns></returns>
private static ECDsaSecurityKey GetSigningKey(IdentitySettings settings)
{
// source directory
var sourceDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) ?? string.Empty;
// build full path to key
var fullKeyPath = Path.GetFullPath(settings.SigningKeyPath, sourceDirectory);
// read signing key path to load key
var eccPem = File.ReadAllText(fullKeyPath);
// build key and import
var edc = ECDsa.Create();
// import pem content into key
edc?.ImportFromPem(eccPem);
// create a security key based on ECD
return(new ECDsaSecurityKey(edc)
{
KeyId = "default"
});
}
/// <summary>
/// Creates new instance of public origin middleware
/// </summary>
/// <param name="settings">The settings</param>
public PublicOriginMiddleware(IdentitySettings settings)
{
this.settings = settings;
}
