System.IdentityModel.Tokens.InMemorySymmetricSecurityKey
namespace System.IdentityModel.Tokens
{
internal class InMemorySymmetricSecurityKey : SymmetricSecurityKey
{
public InMemorySymmetricSecurityKey(byte[] symmetricKey);
public InMemorySymmetricSecurityKey(byte[] symmetricKey, bool cloneBuffer);
}
}