这是一款短信加密的软件，可以把短信保存在一个受密码保护的收件箱里。并且可以为联系人设置各自的密码。更多功能请看下面的英文介绍。

KriptoSMS is program for securing SMS communication, as well as securing ordinary SMS messages by storing them in special password protected inbox.                                                    
KriptoSMS features:

Optional password protection of entire application (it is impossible to read messages without
password)                                  
Defining different password for every your contact
Sending encrypted SMS messages
Optional password protection and encryption of messages that are not received as encrypted
Automatic recognition and decryption of encrypted messages
Optional alert on encrypted message receipt
And much