Alan Szepieniec on Hash Functions & Supersonic SNARKs

In this week’s episode, we catchup with Alan Szepieniec, a researchers at Nervos and co-author of the Supersonics paper & the Marvellous family of Hash Functions (which specify the Vision/Rescue cyphers). We chat about his past work in cryptography, how the Supersonics paper came to be, and dive into the new generation of hash functions emerging, including the Marvelous universe. For more info, please have a look at these resources and past episodes!Design of Symmetric-Key Primitives for Advanced Cryptographic Protocols (the Marvellous (Vision/Rescue) paper)Transparent SNARKs from DARK Compilers (Supersonic paper)On a Generalization of Substitution-Permutation Networks: The HADES Design Strategy - Competing designs for arithmetization-friendly hash functionsStarkad and Poseidon: New Hash Functions for Zero Knowledge Proof SystemsMiMC https://eprint.iacr.org/2016/492.pdf and attack https://eprint.iacr.org/2019/951.pdfJarvis and Friday, the first members of the Marvellous universe (may they rest in peace) https://eprint.iacr.org/2018/1098.pdf... and the Groebner basis attack that killed them: https://eprint.iacr.org/2019/419.pdfAnd here are some of the previous ZKP episodes that we mention: Ben Fisch EpisodeBenedikt Bunz EpisodeJoseph Bonneau EpisodeEli Ben-Sasson EpisodeIf you like what we do: Follow us on Twitter - @zeroknowledgefmJoin us on TelegramSupport our Gitcoin GrantSupport us on the ZKPatreonOr directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1aBTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8ZzZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ

What this episode covers

In this week’s episode, we catchup with Alan Szepieniec, a researchers at Nervos and co-author of the https://eprint.iacr.org/2019/1229.pdf (Supersonics) paper and https://eprint.iacr.org/2019/426.pdf (the Marvellous family of Hash Functions) (which specify the Vision/Rescue cyphers). We chat about his past work in cryptography, how the Supersonics paper came to be, and dive into the new generation of hash functions emerging, including the Marvelous universe. For more info, please have a look at these resources and past episodes! https://eprint.iacr.org/2019/426.pdf (Design of Symmetric-Key Primitives for Advanced Cryptographic Protocols (the Marvellous (Vision/Rescue) paper)) https://eprint.iacr.org/2019/1229.pdf (Transparent SNARKs from DARK Compilers (Supersonic paper)) https://eprint.iacr.org/2019/1107.pdf (On a Generalization of Substitution-Permutation Networks: The HADES Design Strategy) - Competing designs for arithmetization-friendly hash functions https://eprint.iacr.org/2019/458.pdf (Starkad and Poseidon: New Hash Functions for Zero Knowledge Proof Systems) MiMC https://eprint.iacr.org/2016/492.pdf (https://eprint.iacr.org/2016/492.pdf) and attack https://eprint.iacr.org/2019/951.pdf (https://eprint.iacr.org/2019/951.pdf) Jarvis and Friday, the first members of the Marvellous universe (may they rest in peace) https://eprint.iacr.org/2018/1098.pdf (https://eprint.iacr.org/2018/1098.pdf) ... and the Groebner basis attack that killed them: https://eprint.iacr.org/2019/419.pdf (https://eprint.iacr.org/2019/419.pdf) And here are some of the previous ZKP episodes that we mention: https://www.zeroknowledge.fm/88 (Ben Fisch Episode) https://www.zeroknowledge.fm/40 (Benedikt Bunz Episode) https://www.zeroknowledge.fm/103 (Joseph Bonneau Episode) https://www.zeroknowledge.fm/96 (Eli Ben-Sasson Episode) If you like what we do: Follow us on Twitter - https://twitter.com/zeroknowledgefm (@zeroknowledgefm) Join us on https://t.me/joinchat/B_81tQ57-ThZg8yOSx5gjA (Telegram) Support our https://gitcoin.co/grants/38/zero-knowledge-podcast (Gitcoin Grant) Support us on the https://www.patreon.com/zeroknowledge (ZKPatreon) Or directly here: ETH: 0xC0FFEE1B5083230a5154F55f253B6b6ae8F29B1a BTC: 1cafekGa3podM4fBxPSQc6RCEXQNTK8Zz ZEC: t1R2bujRF3Hzte9ALHpMJvY8t5kb9ut9SpQ

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This episode was published on November 27, 2019.

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