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The second round of the NIST lightweight cryptography standardization process began when NIST announced the 32 Round 2 Candidates in August 2019. Round 2 concluded when the finalists were announced in March 2021.
The status report on the second round is available here.
The following table lists the Round 2 Candidates:
| History of Round 2 Updates | Download all Round 2 Zip Files (96 MB) |
| Candidate | Algorithm Information | Submitters | Comments |
|---|---|---|---|
| ACE |
Zip File (2MB) |
Mark Aagaard Riham AlTawy Guang Gong Kalikinkar Mandal Raghvendra Rohit |
|
| ASCON |
Zip File (2MB) |
Christoph Dobraunig Maria Eichlseder Florian Mendel Martin Schläffer |
Submit Comment |
| COMET |
Zip File (<1MB) |
Shay Gueron Ashwin Jha Mridul Nandi |
Submit Comment |
| DryGASCON |
Zip File (11MB) |
Sébastien Riou |
Submit Comment |
| Elephant |
Zip File (6MB) |
Tim Beyne Yu Long Chen Christoph Dobraunig Bart Mennink |
Submit Comment |
| ESTATE |
Zip File (1MB) |
Avik Chakraborti Nilanjan Datta Ashwin Jha Cuauhtemoc Mancillas Lopez Mridul Nandi Yu Sasaki |
|
| ForkAE |
Zip File (<1MB) |
Elena Andreeva Virginie Lallemand Antoon Purnal Reza Reyhanitabar Arnab Roy Damian Vizár |
Submit Comment |
| GIFT-COFB |
Zip File (<1MB) |
Subhadeep Banik Avik Chakraborti Tetsu Iwata Kazuhiko Minematsu Mridul Nandi Thomas Peyrin Yu Sasaki Siang Meng Sim Yosuke Todo |
Submit Comment |
| Gimli |
Zip File (2MB) Website |
Daniel J. Bernstein Stefan Kölbl Stefan Lucks Pedro Maat Costa Massolino Florian Mendel Kashif Nawaz Tobias Schneider Peter Schwabe François-Xavier Standaert Yosuke Todo Benoit Viguier |
Submit Comment |
| Grain-128AEAD |
Zip File (<1MB) |
Martin Hell Thomas Johansson Willi Meier Jonathan Sönnerup Hirotaka Yoshida |
Submit Comment |
| HyENA |
Zip File (<1MB) |
Avik Chakraborti Nilanjan Datta Ashwin Jha Mridul Nandi |
|
| ISAP |
Zip File (5MB) |
Christoph Dobraunig Maria Eichlseder Stefan Mangard Florian Mendel Bart Mennink Robert Primas Thomas Unterluggauer |
Submit Comment |
| KNOT |
Zip File (16MB) Website |
Wentao Zhang Tianyou Ding Bohan Yang Zhenzhen Bao Zejun Xiang Fulei Ji Xuefeng Zhao |
|
| LOTUS-AEAD and LOCUS-AEAD |
Zip File (1MB) |
Avik Chakraborti Nilanjan Datta Ashwin Jha Cuauhtemoc Mancilias Lopez Mridul Nandi Yu Sasaki |
Submit Comment |
| mixFeed |
Zip File (<1MB) |
Bishwajit Chakraborty Mridul Nandi |
Submit Comment |
| ORANGE |
Zip File (2MB) |
Bishwajit Chakraborty Mridul Nandi |
|
| Oribatida |
Zip File (1MB) |
Arghya Bhattacharjee Eik List Cuauhtemoc Mancillas López Mridul Nandi |
|
| PHOTON-Beetle |
Zip File (<1MB) |
Zhenzhen Bao Avik Chakraborti Nilanjan Datta Jian Guo Mridul Nandi Thomas Peyrin Kan Yasuda |
|
| Pyjamask |
Zip File (<1MB) |
Dahmun Goudarzi Jérémy Jean Stefan Kölbl Thomas Peyrin Matthieu Rivain Yu Sasaki Siang Meng Sim |
|
| Romulus |
Zip File (3MB) |
Tetsu Iwata Mustafa Khairallah Kazuhiko Minematsu Thomas Peyrin |
Submit Comment |
| SAEAES |
Zip File (<1MB) |
Yusuke Naito Mitsuru Matsui Yasuyuki Sakai Daisuke Suzuki Kazuo Sakiyama Takeshi Sugawara |
Submit Comment |
| Saturnin |
Zip File (4MB) |
Anne Canteaut Sébastien Duval Gaëtan Leurent María Naya-Plasencia Léo Perrin Thomas Pornin André Schrottenloher |
Submit Comment |
| SKINNY-AEAD/SKINNY-HASH |
Zip File (14MB) |
Christof Beierle Jérémy Jean Stefan Kölbl Gregor Leander Amir Moradi Thomas Peyrin Yu Sasaki Pascal Sasdrich Siang Meng Sim |
Submit Comment |
| SPARKLE (SCHWAEMM and ESCH) |
Zip File (5MB) |
Christof Beierle Alex Biryukov Luan Cardoso dos Santos Johann Großschädl Léo Perrin Aleksei Udovenko Vesselin Velichkov Qingju Wang |
Submit Comment |
| SPIX |
Zip File (3MB) |
Riham AlTawy Guang Gong Morgan He Kalikinkar Mandal Raghvendra Rohit |
Submit Comment |
| SpoC |
Zip File (1MB) |
Riham AlTawy |
Submit Comment |
| Spook |
Zip File (2MB) |
Davide Bellizia Francesco Berti Olivier Bronchain Gaétan Cassiers Sébastien Duval Chun Guo Gregor Leander Gaétan Leurent Itamar Levi Charles Momin Olivier Pereira Thomas Peters François-Xavier Standaert Friedrich Wiemer |
Submit Comment |
| Subterranean 2.0 |
Zip File (1MB) |
Joan Daemen Pedro Maat Costa Massolino Yann Rotella |
Submit Comment |
| SUNDAE-GIFT |
Zip File (1<MB) Website |
Subhadeep Banik Andrey Bogdanov Thomas Peyrin Yu Sasaki Siang Meng Sim Elmar Tischhauser Yosuke Todo |
Submit Comment |
| TinyJambu |
Zip File (1MB) Website |
Hongjun Wu Tao Huang |
Submit Comment |
| WAGE |
Zip File (4MB) |
Mark Aagaard Riham AlTawy Guang Gong Kalikinkar Mandal Raghvendra Rohit Nusa Zidaric |
Submit Comment |
| Xoodyak |
Zip File (<1MB) |
Joan Daemen Seth Hoffert Michaël Peeters Gilles Van Assche Ronny Van Keer |
Submit Comment |
Security and Privacy: lightweight cryptography