private SharedContext()
{
using var rsa = new RSACryptoServiceProvider(2048);
SignatureKey = rsa.CreateSignatureJwk("1", true);
ModelSignatureKey = rsa.CreateSignatureJwk("2", true);
EncryptionKey = rsa.CreateEncryptionJwk("3", true);
ModelEncryptionKey = rsa.CreateEncryptionJwk("4", true);
}