I always feel like my selection in GSoC 2013 was all magic because of the fact that I was completely unaware about the presence of infosec community in GSoC. I contacted Abraham Aranguren, the project leader for OWASP Offensive Web Testing Framework. He was very helpful throughout the gruelsome process of making a proposal. Thanks to him, the proposal turned out to be like this. My proposal got selected and my mentor advised me to do some pre-implementation research so that I face less problems in the future.
Finally, I successfully completed my GSoC 2013 project. Some points to keep in mind :
NOTE: GSoC 2013 has been a boon for me as I met people whom I would have missed probably. GSoC will give you a great open-source project to contribute