Please make sure of the following things

• I have read the documentation.
• I'm sure there are no duplicate issues or discussions.
• I'm sure this feature is not implemented.
• I'm sure it's a reasonable and popular requirement.

Description of the feature / 需求描述

希望增加 类似rclone的 chunker分片功能，最好做成Crypt一样与rclone兼容
如果能Crypt一样以驱动型式就最好了
https://rclone.org/chunker/

Suggested solution / 实现思路

No response

Additional context / 附件

No response