@article{weko_204900_1,
   author	 = "楠,正憲",
   title	 = "さようなら，意味のない暗号化ZIP添付メール：2．PPAPのセキュリティ意義",
   journal	 = "情報処理",
   year 	 = "2020",
   volume	 = "61",
   number	 = "7",
   pages	 = "714--718",
   month	 = "jun"
}