Dan Harkins. Secure Pre-Shared Key (PSK) Authentication for the Internet Key Exchange Protocol (IKE). RFC, 6617:1-24, June 2012. [doi]
@article{rfc6617, title = {Secure Pre-Shared Key (PSK) Authentication for the Internet Key Exchange Protocol (IKE)}, author = {Dan Harkins}, year = {2012}, month = {June}, doi = {10.17487/RFC6617}, url = {https://doi.org/10.17487/RFC6617}, researchr = {https://researchr.org/publication/rfc6617}, cites = {0}, citedby = {0}, journal = {RFC}, volume = {6617}, pages = {1-24}, }