如何在SFTP文件传输期间执行校验和以确保数据完整性？

I have a requirement to perform checksum (for data integrity) for SFTP. I was hoping this could be done during the SFTP file transfer - I realize this could be product dependent (FYI: using CLEO VLTrader), but was wondering if this is customary? I have a requirement to perform checksum (for d