55 lines
1.5 KiB
C#

using DigitalData.Core.Abstractions.Security;
using System.Security.Cryptography;
namespace DigitalData.Core.Security.RSAKey
{
public class RSAPrivateKey : RSAKeyBase, IAsymmetricPrivateKey, IAsymmetricKey
{
private string? _pem;
public override string Content
{
#pragma warning disable CS8603 // Possible null reference return.
get => _pem;
#pragma warning restore CS8603 // Possible null reference return.
init
{
_pem = value;
Init();
}
}
public bool IsPemNull => _pem is null;
public bool IsEncrypted { get; init; }
protected TPublicKey CreatePublicKey<TPublicKey>() where TPublicKey : RSAPublicKey, new()
=> new() { Content = RSA.ExportRSAPublicKeyPem() };
private readonly Lazy<RSAPublicKey> _lazyPublicKey;
public IAsymmetricPublicKey PublicKey => _lazyPublicKey.Value;
public RSAPrivateKey()
{
_lazyPublicKey = new(CreatePublicKey<RSAPublicKey>);
}
internal void SetPem(string pem)
{
_pem = pem;
Init();
}
private void Init()
{
if (string.IsNullOrEmpty(_pem))
throw new InvalidOperationException ($"The content of RSA private key is null or empty. Id: {Id}.");
if (IsEncrypted)
RSA.ImportFromEncryptedPem(Content, Secrets.PBE_PASSWORD.AsSpan());
else
RSA.ImportFromPem(Content);
}
}
}