安装 libsodium

安装 libsodium，它是chacha20加密的
wget https://download.libsodium.org/libsodium/releases/LATEST.tar.gz
tar zxf LATEST.tar.gz
cd libsodium*
./configure
make && make install

# 修复关联
echo /usr/local/lib > /etc/ld.so.conf.d/usr_local_lib.conf
ldconfig