/// <inheritdoc/>
public async Task <SigningCredentials> GetSigningCredentialsAsync(IEnumerable <string> allowedAlgorithms = null)
{
if (allowedAlgorithms.IsNullOrEmpty())
{
var automaticKey = await _keyManagerKeyStore.GetSigningCredentialsAsync();
if (automaticKey != null)
{
return(automaticKey);
}
var list = _signingCredentialStores.ToList();
for (var i = 0; i < list.Count; i++)
{
var key = await list[i].GetSigningCredentialsAsync();
if (key != null)
{
return(key);
}
}
throw new InvalidOperationException($"No signing credential registered.");
}
var credential =
(await GetAllSigningCredentialsAsync()).FirstOrDefault(c => allowedAlgorithms.Contains(c.Algorithm));
if (credential is null)
{
throw new InvalidOperationException(
$"No signing credential for algorithms ({allowedAlgorithms.ToSpaceSeparatedString()}) registered.");
}
return(credential);
}
