Add support for V1 encryption

[innocentvoice]

import * as aesJs from "aes-js";

src/upg/kas.ts:5:35 - error TS2366: Function lacks ending return statement and return type does not include 'undefined'. fixed!

Add support for V1 encryption as title, this is my KAS for nw-s15: 80cbdd9baa4b3cf5c591123cea2c2291

[roobscoob]

I don't own a device to implement V1 encryption. A PR is welcome if you do and want to implement it. Its not incredibly hard, just requires testing. Check the documentation markdown for some helpful references

[innocentvoice]

I don't own a device to implement V1 encryption. A PR is welcome if you do and want to implement it. Its not incredibly hard, just requires testing. Check the documentation markdown for some helpful references

i see
I wonder about firmware patching, is it important to generate md5 before repacking the upg and compress

[roobscoob]

yes. in the toBinary routine for the Upg class, you can see it re-computes the hash.

you shouldn't need to re-compute the hash, only parts that deal with encryption.