Add tor-keygen to the list of projects

content/gsoc/tor-keygen/contents.lr

+_model: project
+---
+_template: layout.html
+---
+html: two-columns-page.html
+---
+active: True
+---
+section: GSoC
+---
+section_id: gsoc
+---
+color: primary
+---
+key: 12
+---
+languages:
+C
+Python
+Golang
+Rust
+---
+mentors:
+asn
+dgoulet
+---
+difficulty: medium/hard
+---
+title: tor-keygen
+---
+subtitle:
+
+The scope of this project is to write an application that generates cryptographic keys for Tor relays, dirauths and onion services.
+---
+body:
+
+# Problem
+
+
+# Proposal
+
+Prerequisites: Understanding of Tor protocol and tor codebase 
+
+# Resources
+
+- https://trac.torproject.org/projects/tor/ticket/18098
+- https://trac.torproject.org/projects/tor/ticket/14389
+- https://github.com/torproject/tor/blob/e34d963c4453ceac7ff378ce0044d10461980c8e/src/app/main/main.c#L1282
+- Original tor-keygen repo on github: https://github.com/haxxpop/torkeygen
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