> For the complete documentation index, see [llms.txt](https://urvish-shiroya-organization.gitbook.io/sha-1-or-sha-256-and-key-hash/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://urvish-shiroya-organization.gitbook.io/sha-1-or-sha-256-and-key-hash/overview.md).

# Overview

* Learn How to get <mark style="color:orange;">`SHA-1`</mark> and <mark style="color:orange;">`SHA-256`</mark> key debug and release. using <mark style="color:orange;">`CMD`</mark>
* Learn How to find <mark style="color:orange;">`Key-Hash`</mark> for Facebook debug and release. using <mark style="color:orange;">`CMD`</mark>.