flyInRust

and libreoffice can't open the encrypt( writer::xlsx::write_with_password) file too!

can u port the function from the [msoffice-crypt](https://github.com/herumi/msoffice) ?

i have create a [msoffice-crypt](https://github.com/herumi/msoffice) rust bind: [msoffice crypt rust ](https://crates.io/crates/msoffice_crypt) ```rust use msoffice_crypt::{encrypt,decrypt}; fn main() { let input = "/home/feiy/Desktop/1.xlsx"; let output = "/home/feiy/Desktop/output.xlsx"; let password = "test"; let...

this is the encrypt References: * Compound File Binary File Format(v20120328) [MS-CFB](http://msdn.microsoft.com/en-us/library/dd942138.aspx) * Office Document Cryptography Structure Specification(v20120412) [MS-OFFCRYPTO](http://msdn.microsoft.com/en-us/library/cc313071.aspx) * CODE BLUE 2015 [Backdoors with the MS Office file encryption...