Which of peter's lines shows that he is using personal experience to understand the reading? hidden messages can be shared through a backdoor in encryption software. it reminds me of the way i leave my kitchen door open so the cat can come in. hidden messages can be shared through a backdoor in encryption software. the author gives an example of this software the government . a trojan horse is a type of encryption software , but as the author explains , it is not always 100 percent secure . a trojan horse is a type of encryption software , which reminds me of greek mythology. o