KEY社作品讨论与同人创作相关的清新主题大众站
BertNase's Own - Have fun!
Playfair密码是一种有向图替换密码。
LingoJam lets you create an online translator. It's really simple, just throw us a couple of lists of words and we'll mix it around and make a translator that you can share with the world!
wang-wl
当铺密码为简单加密法，加密方式以汉字出头的笔画来计数
