Episode 11: Breaking the Rainbow Post-Quantum Cryptography Candidate!
Serious weaknesses are uncovered in one of NIST's post-quantum
cryptography finalists. Ward Beullens joins us to talk about his
new research and more.
38 Minuten
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In-depth, substantive discussions on the latest news and research in applied cryptography.
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vor 5 Jahren
The race for post-quantum cryptographic signature primitives is in
its final lap over at NIST, which recently announced DILITHIUM,
FALCON and Rainbow as the three signature primitive finalists. But
a paper recently published by KU Leuven researcher Ward Beullens
claims to find serious weaknesses in the security of Rainbow, one
of those three finalists. In fact, the paper claims that the
weaknesses are so severe that Rainbow’s security parameters now
fall short of the security requirements set out by the NIST
post-quantum competition. But how does Rainbow work, and how do
these weaknesses affect it? And why weren’t they spotted until now?
We discuss this and more in this week’s episode of Cryptography FM.
Links and papers discussed in the show: * Improved Cryptanalysis of
UOV and Rainbow (https://eprint.iacr.org/2020/1343) * SQISign:
compact post-quantum signatures from quaternions and isogenies
(https://eprint.iacr.org/2020/1240) Music composed by Toby Fox and
performed by Sean Schafianski
(https://seanschafianski.bandcamp.com/). Special Guest: Ward
Beullens.
its final lap over at NIST, which recently announced DILITHIUM,
FALCON and Rainbow as the three signature primitive finalists. But
a paper recently published by KU Leuven researcher Ward Beullens
claims to find serious weaknesses in the security of Rainbow, one
of those three finalists. In fact, the paper claims that the
weaknesses are so severe that Rainbow’s security parameters now
fall short of the security requirements set out by the NIST
post-quantum competition. But how does Rainbow work, and how do
these weaknesses affect it? And why weren’t they spotted until now?
We discuss this and more in this week’s episode of Cryptography FM.
Links and papers discussed in the show: * Improved Cryptanalysis of
UOV and Rainbow (https://eprint.iacr.org/2020/1343) * SQISign:
compact post-quantum signatures from quaternions and isogenies
(https://eprint.iacr.org/2020/1240) Music composed by Toby Fox and
performed by Sean Schafianski
(https://seanschafianski.bandcamp.com/). Special Guest: Ward
Beullens.
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