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Lightweight Cryptography

Round 2

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)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Mark Aagaard
Riham AlTawy
Guang Gong
Kalikinkar Mandal
Raghvendra Rohit

Submit Comment
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ASCON

Zip File (2MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Christoph Dobraunig
Maria Eichlseder
Florian Mendel
Martin Schläffer

Submit Comment
View Comments

COMET

Zip File (<1MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Shay Gueron
Ashwin Jha
Mridul Nandi

Submit Comment
View Comments

Round 1 Comments

DryGASCON

Zip File  (11MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Sébastien Riou

Submit Comment
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Elephant

Zip File (6MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Tim Beyne
Yu Long Chen
Christoph Dobraunig
Bart Mennink

Submit Comment
View Comments

ESTATE

Zip File (1MB)
Specification
Algorithm Update (Sep 2020)

Website

Avik Chakraborti
Nilanjan Datta
Ashwin Jha
Cuauhtemoc Mancillas Lopez
Mridul Nandi
Yu Sasaki

Submit Comment
View Comments

ForkAE

Zip File  (<1MB)
Specification
Algorithm Update (Sep 2020)

Website

Elena Andreeva
Virginie Lallemand
Antoon Purnal
Reza Reyhanitabar
Arnab Roy
Damian Vizár

Submit Comment
View Comments

GIFT-COFB

Zip File  (<1MB)
Specification
Algorithm Update (Sep 2020)

Website

Subhadeep Banik
Avik Chakraborti
Tetsu Iwata
Kazuhiko Minematsu
Mridul Nandi
Thomas Peyrin
Yu Sasaki
Siang Meng Sim
Yosuke Todo

Submit Comment
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Gimli

Zip File  (2MB)
Specification
Changelog
Algorithm Update (Sep 2020)

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 

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Grain-128AEAD

Zip File  (<1MB)
Specification
Algorithm Update (Sep 2020)

Website

Martin Hell
Thomas Johansson
Willi Meier
Jonathan Sönnerup
Hirotaka Yoshida

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HyENA

Zip File  (<1MB)
Specification
Algorithm Update (Sep 2020)

Website

Avik Chakraborti
Nilanjan Datta
Ashwin Jha
Mridul Nandi

Submit Comment
View Comments

Round 1 Comments

ISAP

Zip File (5MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Christoph Dobraunig
Maria Eichlseder
Stefan Mangard
Florian Mendel
Bart Mennink
Robert Primas
Thomas Unterluggauer

Submit Comment
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KNOT

Zip File (16MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Wentao Zhang
Tianyou Ding
Bohan Yang
Zhenzhen Bao
Zejun Xiang
Fulei Ji
Xuefeng Zhao

Submit Comment
View Comments

Round 1 Comments

LOTUS-AEAD and LOCUS-AEAD

Zip File (1MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Avik Chakraborti
Nilanjan Datta
Ashwin Jha
Cuauhtemoc Mancilias Lopez
Mridul Nandi
Yu Sasaki

Submit Comment
View Comments

Round 1 Comments

mixFeed

Zip File (<1MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Bishwajit Chakraborty
Mridul Nandi

Submit Comment
View Comments

Round 1 Comments

ORANGE

Zip File (2MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Bishwajit Chakraborty
Mridul Nandi

Submit Comment
View Comments

Round 1 Comments

Oribatida

Zip File  (1MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Arghya Bhattacharjee
Eik List
Cuauhtemoc Mancillas López
Mridul Nandi

Submit Comment
View Comments

PHOTON-Beetle

Zip File (<1MB)
Specification
Algorithm Update (Sep 2020)

Website

Zhenzhen Bao
Avik Chakraborti
Nilanjan Datta
Jian Guo
Mridul Nandi
Thomas Peyrin
Kan Yasuda

Submit Comment
View Comments

Pyjamask

Zip File  (<1MB)
Specification
Algorithm Update (Sep 2020)

Website

Dahmun Goudarzi
Jérémy Jean
Stefan Kölbl
Thomas Peyrin
Matthieu Rivain
Yu Sasaki
Siang Meng Sim

Submit Comment
View Comments

Round 1 Comments

Romulus

Zip File (3MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Tetsu Iwata
Mustafa Khairallah
Kazuhiko Minematsu
Thomas Peyrin

Submit Comment
View Comments

SAEAES

Zip File (<1MB) 
Specification
Algorithm Update (Sep 2020)

Website

Yusuke Naito
Mitsuru Matsui
Yasuyuki Sakai
Daisuke Suzuki
Kazuo Sakiyama
Takeshi Sugawara

Submit Comment
View Comments

Saturnin

Zip File (4MB) 
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Anne Canteaut
Sébastien Duval
Gaëtan Leurent
María Naya-Plasencia
Léo Perrin
Thomas Pornin
André Schrottenloher

Submit Comment
View Comments

SKINNY-AEAD/SKINNY-HASH

Zip File  (14MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Christof Beierle
Jérémy Jean
Stefan Kölbl
Gregor Leander
Amir Moradi
Thomas Peyrin
Yu Sasaki
Pascal Sasdrich
Siang Meng Sim

Submit Comment
View Comments

SPARKLE (SCHWAEMM and ESCH)

Zip File  (5MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Christof Beierle
Alex Biryukov
Luan Cardoso dos Santos
Johann Großschädl
Léo Perrin
Aleksei Udovenko
Vesselin Velichkov
Qingju Wang

Submit Comment
View Comments

Round 1 Comments

SPIX

Zip File  (3MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Riham AlTawy
Guang Gong
Morgan He
Kalikinkar Mandal
Raghvendra Rohit

Submit Comment
View Comments

Round 1 Comments

SpoC

Zip File (1MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Riham AlTawy
Guang Gong
Morgan He
Ashwin Jha
Kalikinkar Mandal
Mridul Nandi
Raghvendra Rohit

Submit Comment
View Comments

Spook

Zip File (2MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

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
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Subterranean 2.0

Zip File  (1MB)
Specification
Algorithm Update (Sep 2020)

Website

Joan Daemen
Pedro Maat Costa Massolino
Yann Rotella

Submit Comment
View Comments

Round 1 Comments

SUNDAE-GIFT

Zip File  (1<MB)
Specification
Algorithm Update (Sep 2020)

Website

Subhadeep Banik
Andrey Bogdanov
Thomas Peyrin
Yu Sasaki
Siang Meng Sim
Elmar Tischhauser
Yosuke Todo

Submit Comment
View Comments

Round 1 Comments

TinyJambu

Zip File  (1MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Hongjun Wu
Tao Huang

Submit Comment
View Comments

WAGE

Zip File  (4MB)
Specification
Changelog
Algorithm Update (Sep 2020)

Website

Mark Aagaard
Riham AlTawy
Guang Gong
Kalikinkar Mandal
Raghvendra Rohit
Nusa Zidaric

Submit Comment
View Comments

Round 1 Comments

Xoodyak

Zip File (<1MB)
Specification
Algorithm Update (Sep 2020)

Website

Joan Daemen
Seth Hoffert
Michaël Peeters
Gilles Van Assche
Ronny Van Keer

Submit Comment
View Comments

Contacts

Lightweight Crypto Technical Inquiries
lightweight-crypto@nist.gov

Lawrence Bassham

Donghoon Chang

Jinkeon Kang

John Kelsey

Kerry McKay

Meltem Sönmez Turan

Noah Waller

Topics

Security and Privacy: lightweight cryptography

Created January 03, 2017, Updated November 22, 2023