using System.Security.Cryptography.X509Certificates; namespace Bit.Core.Models.Business; public interface ILicense { string LicenseKey { get; set; } int Version { get; set; } DateTime Issued { get; set; } DateTime? Refresh { get; set; } DateTime? Expires { get; set; } bool Trial { get; set; } string Hash { get; set; } string Signature { get; set; } byte[] SignatureBytes { get; } byte[] GetDataBytes(bool forHash = false); byte[] ComputeHash(); bool VerifySignature(X509Certificate2 certificate); byte[] Sign(X509Certificate2 certificate); }