using System.Collections.Generic;

namespace StellaOps.Cryptography;

/// <summary>
/// Describes key material surfaced by crypto providers for diagnostics.
/// </summary>
public sealed record CryptoProviderKeyDescriptor(
    string Provider,
    string KeyId,
    string AlgorithmId,
    IReadOnlyDictionary<string, string?> Metadata);

/// <summary>
/// Optional interface for providers that can expose key metadata without revealing private material.
/// </summary>
public interface ICryptoProviderDiagnostics
{
    IEnumerable<CryptoProviderKeyDescriptor> DescribeKeys();
}