37 lines
1.5 KiB
C#
37 lines
1.5 KiB
C#
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
using StellaOps.Cryptography;
|
|
|
|
namespace StellaOps.Cryptography.Plugin.SmRemote;
|
|
|
|
internal sealed class SmRemoteSigner : ICryptoSigner
|
|
{
|
|
private readonly SmRemoteHttpClient client;
|
|
private readonly string remoteKeyId;
|
|
|
|
public SmRemoteSigner(SmRemoteHttpClient client, string remoteKeyId, string algorithmId)
|
|
{
|
|
this.client = client ?? throw new ArgumentNullException(nameof(client));
|
|
this.remoteKeyId = remoteKeyId ?? throw new ArgumentNullException(nameof(remoteKeyId));
|
|
AlgorithmId = algorithmId ?? throw new ArgumentNullException(nameof(algorithmId));
|
|
}
|
|
|
|
public string KeyId => remoteKeyId;
|
|
public string AlgorithmId { get; }
|
|
|
|
public async ValueTask<byte[]> SignAsync(ReadOnlyMemory<byte> data, CancellationToken cancellationToken = default)
|
|
{
|
|
var signatureBase64 = await client.SignAsync(remoteKeyId, AlgorithmId, data.ToArray(), cancellationToken).ConfigureAwait(false);
|
|
return Convert.FromBase64String(signatureBase64);
|
|
}
|
|
|
|
public async ValueTask<bool> VerifyAsync(ReadOnlyMemory<byte> data, ReadOnlyMemory<byte> signature, CancellationToken cancellationToken = default)
|
|
{
|
|
var sigBase64 = Convert.ToBase64String(signature.ToArray());
|
|
return await client.VerifyAsync(remoteKeyId, AlgorithmId, data.ToArray(), sigBase64, cancellationToken).ConfigureAwait(false);
|
|
}
|
|
|
|
public Microsoft.IdentityModel.Tokens.JsonWebKey ExportPublicJsonWebKey()
|
|
=> new() { Kid = remoteKeyId, Alg = AlgorithmId, Kty = "EC" };
|
|
}
|