功能

简单的登录保护
密钥交换
短信加密
dele
Revert "secuseSms"

This reverts commit 2f782707a4b58e29c9f53d5ef03d5b160160cd24.
Revert "dele"

This reverts commit 0a0fa53bc1759fb15c8372c51f26f13063aef229.