@inproceedings{guimaraes2026petcha,
  author    = {Antonio Guimarães and Gabriela M. Jacob and Hilder V. L. Pereira},
  title     = {{PETCHA: Post-quantum Efficient Transciphering with ChaCha}},
  booktitle = {Post-Quantum Cryptography (PQCrypto 2026)},
  year      = {2026},
  url       = {https://eprint.iacr.org/2026/112}
}