public static bool Verify(PolicyObjectSigned policy, byte[] cer) { if (policy == null) { return(false); } if (policy.Policy == null) { return(false); } if (policy.Policy.TimeStampCheck > DateTime.Now.ToUniversalTime().AddMinutes(TimeStampPlusMinus) && policy.Policy.TimeStampCheck < DateTime.Now.ToUniversalTime().AddMinutes(-TimeStampPlusMinus)) { Debug.WriteLine("Timestamp missmatch -+" + TimeStampPlusMinus.ToString() + " minutes"); return(false); } string JSON = JsonConvert.SerializeObject(policy.Policy, Formatting.None); if (Verify(Encoding.UTF8.GetBytes(JSON), policy.Signature, cer) == false) { Debug.WriteLine("Verify failed"); return(false); } return(true); }
public static bool Sign(PolicyObjectSigned policy, string CN) { if (policy == null) { return(false); } if (policy.Policy == null) { return(false); } policy.Policy.TimeStampCheck = DateTime.Now.ToUniversalTime(); string JSON = JsonConvert.SerializeObject(policy.Policy, Formatting.None); policy.Signature = Sign(Encoding.UTF8.GetBytes(JSON), CN, StoreLocation.LocalMachine); if (policy.Signature == null) { return(false); } return(true); }