How to validate the secret of a Ring Learning with Errors (RLWE) key

Jintai Ding, Saraswathy RV, Saed Alsayigh, Crystal Clough. How to validate the secret of a Ring Learning with Errors (RLWE) key. IACR Cryptology ePrint Archive, 2018:81, 2018. [doi]

@article{DingRAC18,
  title = {How to validate the secret of a Ring Learning with Errors (RLWE) key},
  author = {Jintai Ding and Saraswathy RV and Saed Alsayigh and Crystal Clough},
  year = {2018},
  url = {http://eprint.iacr.org/2018/081},
  researchr = {https://researchr.org/publication/DingRAC18},
  cites = {0},
  citedby = {0},
  journal = {IACR Cryptology ePrint Archive},
  volume = {2018},
  pages = {81},
}