Nate Lawson: Part 1

Security Cryptography Whatever

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محتوای ارائه شده توسط Deirdre Connolly, Thomas Ptacek, David Adrian, Deirdre Connolly, Thomas Ptacek, and David Adrian. تمام محتوای پادکست شامل قسمت‌ها، گرافیک‌ها و توضیحات پادکست مستقیماً توسط Deirdre Connolly, Thomas Ptacek, David Adrian, Deirdre Connolly, Thomas Ptacek, and David Adrian یا شریک پلتفرم پادکست آن‌ها آپلود و ارائه می‌شوند. اگر فکر می‌کنید شخصی بدون اجازه شما از اثر دارای حق نسخه‌برداری شما استفاده می‌کند، می‌توانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal

The Big Pitch with Jimmy Carr

1
Phil Wang Pitches Psychological Thriller Starring WHO?! 24:35

۴ روز پیش24:35

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24:35

It’s the very first episode of The Big Pitch with Jimmy Carr and our first guest is Phil Wang! And Phil’s subgenre is…This Place is Evil. We’re talking psychological torture, we’re talking gory death scenes, we’re talking Lorraine Kelly?! The Big Pitch with Jimmy Carr is a brand new comedy podcast where each week a different celebrity guest pitches an idea for a film based on one of the SUPER niche sub-genres on Netflix. From ‘Steamy Crime Movies from the 1970s’ to ‘Australian Dysfunctional Family Comedies Starring A Strong Female Lead’, our celebrity guests will pitch their wacky plot, their dream cast, the marketing stunts, and everything in between. By the end of every episode, Jimmy Carr, Comedian by night / “Netflix Executive” by day, will decide whether the pitch is greenlit or condemned to development hell! Listen on all podcast platforms and watch on the Netflix Is A Joke YouTube Channel . The Big Pitch is a co-production by Netflix and BBC Studios Audio. Jimmy Carr is an award-winning stand-up comedian and writer, touring his brand-new show JIMMY CARR: LAUGHS FUNNY throughout the USA from May to November this year, as well as across the UK and Europe, before hitting Australia and New Zealand in early 2026. All info and tickets for the tour are available at JIMMYCARR.COM Production Coordinator: Becky Carewe-Jeffries Production Manager: Mabel Finnegan-Wright Editor: Stuart Reid Producer: Pete Strauss Executive Producer: Richard Morris Executive Producers for Netflix: Kathryn Huyghue, Erica Brady, and David Markowitz Set Design: Helen Coyston Studios: Tower Bridge Studios Make Up: Samantha Coughlan Cameras: Daniel Spencer Sound: Charlie Emery Branding: Tim Lane Photography: James Hole…

۳ سال پیش 1:20:11

MP3•خانه قسمت

We bring on Nate Lawson of Root Labs to talk about a little bit of everything, starting with cryptography in the 1990s.
Transcript:
https://securitycryptographywhatever.com/2022/09/09/nate-lawson-part-1/
References

IBM S/390: https://ieeexplore.ieee.org/document/5389176
SSLv2 Spec: https://www-archive.mozilla.org/projects/security/pki/nss/ssl/draft02.html
Xbox 360 HMAC: https://beta.ivc.no/wiki/index.php/Xbox_360_Timing_Attack
Google Keyczar HMAC bug (reported by Nate): https://rdist.root.org/2009/05/28/timing-attack-in-google-keyczar-library/

Errata

HMAC actually published in 1996, not 1997
"That was one of the first, I think hardware applications of DPA was, was, um, satellite TV cards." Not true, they first were able to break Mondex, a MasterCard smart card

"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)

55 قسمت

#Tech #Deirdre Connolly, Thomas Ptacek, David Adrian #David Adrian #Deirdre Connolly #Thomas Ptacek #Security #Cryptography #Whatever #Science #Math #News #Tech News

Security Cryptography Whatever

Nate Lawson: Part 1

Security Cryptography Whatever

45 subscribers

published ۳ سال پیش

اشتراک گذاری

MP3•خانه قسمت

IBM S/390: https://ieeexplore.ieee.org/document/5389176
SSLv2 Spec: https://www-archive.mozilla.org/projects/security/pki/nss/ssl/draft02.html
Xbox 360 HMAC: https://beta.ivc.no/wiki/index.php/Xbox_360_Timing_Attack
Google Keyczar HMAC bug (reported by Nate): https://rdist.root.org/2009/05/28/timing-attack-in-google-keyczar-library/

Errata

HMAC actually published in 1996, not 1997
"That was one of the first, I think hardware applications of DPA was, was, um, satellite TV cards." Not true, they first were able to break Mondex, a MasterCard smart card

"Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)

55 قسمت

#Tech #Deirdre Connolly, Thomas Ptacek, David Adrian #David Adrian #Deirdre Connolly #Thomas Ptacek #Security #Cryptography #Whatever #Science #Math #News #Tech News

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1 year پیش19:28

19:28

(NSFW) Three AI-generated guests rank cryptography things into a tier list. Play along at home and make your own tier list: https://tiermaker.com/create/cryptography-15683166 This episode is definitely not safe for work and definitely a parody. Do not base your decision in the 2024 election off of this podcast episode. No campaigns have endorsed this podcast. "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Post-Quantum iMessage with Douglas Stebila 55:34

1 year پیش55:34

55:34

Apple iMessage is getting a big upgrade! Not only are they rolling out ratcheting, but they’re going post-quantum, AND they’re doing post-quantum ratcheting! Douglas Stebila joined us to talk about his security analysis of the new PQ3 protocol update and not indulge our wild Apple speculations: Transcript: https://securitycryptographywhatever.com/2024/03/03/post-quantum-imessage-with-douglas-stebila/ Links: - https://security.apple.com/blog/imessage-pq3/ - Security analysis of the iMessage PQ3 protocol https://security.apple.com/assets/files/A_Formal_Analysis_of_the_iMessage_PQ3_Messaging_Protocol_Basin_et_al.pdf - Ratcheting design: https://eprint.iacr.org/2024/220.pdf - When Messages are Keys: Is HMAC a dual-PRF?: https://eprint.iacr.org/2023/861.pdf - Real World Deniability in Messaging: https://eprint.iacr.org/2023/403.pdf - Padmé: https://www.petsymposium.org/2019/files/papers/issue4/popets-2019-0056.pdf - Max Headroom: https://www.youtube.com/watch?v=cYdpOjletnc - Extended Canetti-Krawczyk model: https://iacr.org/archive/eurocrypt2001/20450451.pdf - Douglas Stebila: https://www.douglas.stebila.ca/ "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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High-assurance Post-Quantum Crypto with Franziskus Kiefer and Karthik Bhargavan 56:13

1 year پیش56:13

56:13

We welcome Franziskus and Karthik from Cryspen to discuss their new high-assurance implementation of ML-KEM (the final form of Kyber), discussing how formal methods can both help provide correctness guarantees, security assurances, and performance wins for your crypto code! Transcript: https://securitycryptographywhatever.com/2024/01/29/high-assurance-kyber/ Links: - https://cryspen.com/post/ml-kem-implementation/ - https://github.com/cryspen/libcrux/ - https://github.com/formosa-crypto/libjade - https://cryspen.com/post/pqxdh/ - https://eprint.iacr.org/2023/1933.pdf - Franziskus Kiefer: https://franziskuskiefer.de/ - Karthik Bhargavan: https://bhargavan.info/ "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Encrypting Facebook Messenger with Jon Millican and Timothy Buck 59:35

1 year پیش59:35

59:35

Facebook Messenger has finally been end-to-end encrypted, a couple of years after Mark Zuckerberg announced it! Plus Instagram DMs are trialing ephemeral E2EE DMs too! We invited on Jon Millican and Timothy Buck from Meta to discuss this major cross-platform endeavor, and how David Bowie fits into their personal Labyrinth. Transcript: https://securitycryptographywhatever.com/2023/12/28/e2ee-fb-messenger/ Links: - https://www.facebook.com/notes/2420600258234172 - https://eprint.iacr.org/2022/1044.pdf - https://engineering.fb.com/2023/12/06/security/building-end-to-end-security-for-messenger/ - https://www.theverge.com/2023/12/6/23991501/facebook-messenger-default-end-to-end-encryption-meta - https://www.threads.net/@jonmillican/post/C0kQPAyoFpr - https://engineering.fb.com/wp-content/uploads/2023/12/MessengerEnd-to-EndEncryptionOverview_12-6-2023.pdf - https://engineering.fb.com/wp-content/uploads/2023/12/TheLabyrinthEncryptedMessageStorageProtocol_12-6-2023.pdf - https://engineering.fb.com/2022/03/10/security/code-verify/ - https://chrome.google.com/webstore/detail/code-verify/llohflklppcaghdpehpbklhlfebooeog "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Attacking Lattice-based Cryptography with Martin Albrecht 57:20

۲ years پیش57:20

57:20

Returning champion Martin Albrecht joins us to help explain how we measure the security of lattice-based cryptosystems like Kyber and Dilithium against attackers. QRAM, BKZ, LLL, oh my! Transcript: https://securitycryptographywhatever.com/2023/11/13/lattice-attacks/ Links: - https://pq-crystals.org/kyber/index.shtml - https://pq-crystals.org/dilithium/index.shtml - https://eprint.iacr.org/2019/930.pdf - https://en.wikipedia.org/wiki/Short_integer_solution_problem - Frodo: https://eprint.iacr.org/2016/659 - https://csrc.nist.gov/CSRC/media/Events/third-pqc-standardization-conference/documents/accepted-papers/ribeiro-saber-pq-key-pqc2021.pdf - https://en.wikipedia.org/wiki/Hermite_normal_form - https://en.wikipedia.org/wiki/Wagner%E2%80%93Fischer_algorithm - https://www.math.auckland.ac.nz/~sgal018/crypto-book/ch18.pdf - https://eprint.iacr.org/2019/1161 - QRAM: https://arxiv.org/abs/2305.10310 - https://en.wikipedia.org/wiki/Lenstra%E2%80%93Lenstra%E2%80%93Lov%C3%A1sz_lattice_basis_reduction_algorithm - MATZOV improved dual lattice attack: https://zenodo.org/records/6412487 - https://eprint.iacr.org/2008/504.pdf - https://eprint.iacr.org/2023/302.pdf "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Signal's Post-Quantum PQXDH, Same-Origin Policy, E2EE in the Browser Revisted 1:19:05

۲ years پیش1:19:05

1:19:05

We're back! Signal rolled out a protocol change to be post-quantum resilient! Someone was caught intercepting Jabber TLS via certificate transparency! Was the same-origin policy in web browers just a dirty hack all along? Plus secure message format formalisms, and even more beating of the dead horse that is E2EE in the browser. Transcript: https://securitycryptographywhatever.com/2023/11/07/PQXDH-etc Links: - https://zfnd.org/so-you-want-to-build-an-end-to-end-encrypted-web-app/ - https://github.com/superfly/macaroon - https://cryspen.com/post/pqxdh/ - https://eprint.iacr.org/2023/1390.pdf "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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'Jerry Solinas deserves a raise' with Steve Weis 57:31

۲ years پیش57:31

57:31

We explore how the NIST curve parameter seeds were generated, as best we can, with returning champion Steve Weis! “At the point where we find an intelligible English string that generates the NIST P-curve seeds, nobody serious is going to take the seed provenance concerns seriously anymore.” Transcript: https://securitycryptographywhatever.com/2023/10/12/the-nist-curves Links: - Steve’s post: https://saweis.net/posts/nist-curve-seed-origins.html - ANSI X9.62 ECDSA: https://safecurves.cr.yp.to/grouper.ieee.org/groups/1363/private/x9-62-09-20-98.pdf / FIPS 186-2 https://csrc.nist.gov/files/pubs/fips/186-2/final/docs/fips186-2.pdf - “A RIDDLE WRAPPED IN AN ENIGMA”: https://eprint.iacr.org/2015/1018.pdf - https://arstechnica.com/information-technology/2015/01/nsa-official-support-of-backdoored-dual_ec_drbg-was-regrettable/ - https://www.muckrock.com/foi/united-states-of-america-10/origin-of-fips-186-4-elliptic-curves-over-prime-field-seed-parameters-national-institute-of-standards-and-technology-78756/ - https://www.muckrock.com/foi/united-states-of-america-10/origin-of-fips-186-4-elliptic-curves-over-prime-field-seed-parameters-national-security-agency-78755/ - Filippo’s bounty: https://words.filippo.io/dispatches/seeds-bounty/ - Recommendations for Discrete Logarithm-based Cryptography: Elliptic Curve Domain Parameters - NIST 800-186 with Curve25519 and friends - RFC 8422: Elliptic Curve Cryptography (ECC) Cipher Suites for Transport Layer Security (TLS) Versions 1.2 and Earlier - https://www.rfc-editor.org/rfc/rfc4492#section-6 - https://blog.cryptographyengineering.com/2017/12/19/the-strange-story-of-extended-random/ - https://en.wikipedia.org/wiki/Bullrun_(decryption_program) - https://en.wikipedia.org/wiki/BSAFE - https://sockpuppet.org/blog/2015/08/04/is-extended-random-malicious/ "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Cruel Summer: hybrid signatures, Downfall, Zenbleed, 2G downgrades 58:35

۲ years پیش58:35

58:35

We're back from our summer vacation! We're covering a bunch of stuff we saw and did: Transcript: https://securitycryptographywhatever.com/2023/09/13/cruel-summer/ Links: - Zenbleed: https://lock.cmpxchg8b.com/zenbleed.html - Downfall: https://downfall.page - Post-quantum Yubikeys: https://security.googleblog.com/2023/08/toward-quantum-resilient-security-keys.html "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Why do we think anything is secure, with Steve Weis 46:17

۲ years پیش46:17

46:17

What does P vs NP have to do with cryptography? Why do people love and laugh about the random oracle model? What's an oracle? What do you mean factoring and discrete log don't have proofs of hardness? How does any of this cryptography stuff work, anyway? We trapped Steve Weis into answering our many questions. Transcript: https://securitycryptographywhatever.com/2023/06/29/why-do-we-think-anything-is-secure-with-steve-weis/ Links: - The Random Oracle Methodology, Revisited: https://eprint.iacr.org/1998/011.pdf - Factoring integers with CADO-NFS: https://www.ens-lyon.fr/LIP/AriC/wp-content/uploads/2015/03/JDetrey-tutorial.pdf - On One-way Functions from NP-Complete Problems: https://eprint.iacr.org/2021/513.pdf - Seny Kamara's lecture notes on provable security: https://cs.brown.edu/~seny/2950-v/2-provablesecurity.pdf - How To Simulate It – A Tutorial on the Simulation Proof Technique: https://eprint.iacr.org/2016/046.pdf - A Survey of Leakage-Resilient Cryptography: https://eprint.iacr.org/2019/302 - A Decade of Lattice Cryptography: https://eprint.iacr.org/2015/939.pdf "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
Elon's Encrypted DMs with Matthew Garrett 52:28

۲ years پیش52:28

52:28

Are Twitter’s new encrypted DMs unreadable even if you put a gun to Elon’s head? We invited Matthew Garrett on to do a deep decompiled dive into what kind of cryptography actually shipped. Transcript: https://securitycryptographywhatever.com/2023/05/29/elons-encrypted-dms-with-matthew-garrett/ Links: https://mjg59.dreamwidth.org/66791.html https://help.twitter.com/en/using-twitter/encrypted-direct-messages https://www.techdirt.com/2023/05/11/twitter-launches-not-actually-encrypted-encrypted-dms/ BrokenKDF2BytesGenerator: https://github.com/bcgit/bc-java/blob/master/prov/src/main/java/org/bouncycastle/jce/provider/BrokenKDF2BytesGenerator.java#L70 Analysis from sweis: https://twitter.com/sweis/status/1657082478727933954?s=20 https://signal.org/docs/specifications/x3dh/ https://signal.org/docs/specifications/doubleratchet/ https://support.signal.org/hc/en-us/articles/360007059752-Backup-and-Restore-Messages Trail of Bits has not audited nor signed a contract yet, per Platformer: https://www.platformer.news/p/why-you-cant-trust-twitters-encrypted "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
WhatsApp Key Transparency with Jasleen Malvai and Kevin Lewi 55:43

۲ years پیش55:43

55:43

WhatsApp has announced they’re rolling out key transparency! Doing this at WhatsApp-scale (aka billions and biiillions of keys) is a significant task, so we talked to Jasleen Malvai and Kevin Lewi about how it works. Transcript: https://securitycryptographywhatever.com/2023/05/06/whatsapp-key-transparency Links: https://engineering.fb.com/2023/04/13/security/whatsapp-key-transparency/ https://github.com/facebook/akd Parkeet: https://eprint.iacr.org/2023/081.pdf CONIKS: https://eprint.iacr.org/2014/1004.pdf SEEMless: https://eprint.iacr.org/2018/607.pdf WhatsApp Security Whitepaper: https://www.whatsapp.com/security/WhatsApp-Security-Whitepaper.pdf Keybase key transparency: https://book.keybase.io/docs/server "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Messaging Layer Security (MLS) with Raphael Robert 55:02

۲ years پیش55:02

55:02

Messaging Layer Security (MLS) 1.0 is (basically) here! We invited Raphael Robert, coauthor of the MLS specification to explain it to us and answer our annoying questions (read: why does this exist?) Transcript: https://securitycryptographywhatever.com/2023/04/22/mls/ Links: - https://messaginglayersecurity.rocks/ - https://messaginglayersecurity.rocks/mls-protocol/draft-ietf-mls-protocol.html - https://messaginglayersecurity.rocks/mls-architecture/draft-ietf-mls-architecture.html - https://github.com/openmls/openmls - https://eprint.iacr.org/2022/1533.pdf - https://eprint.iacr.org/2020/1327.pdf - https://eprint.iacr.org/2022/559.pdf - https://signal.org/docs/ - https://en.wikipedia.org/wiki/Key_encapsulation_mechanism - https://twitter.com/beurdouche/status/1220617962182389760 - https://messaginglayersecurity.rocks/mls-protocol/draft-ietf-mls-protocol.html#mls-ciphersuites - https://www.ietf.org/archive/id/draft-ietf-mls-federation-02.html - https://datatracker.ietf.org/wg/mimi/documents/ - https://competition-policy.ec.europa.eu/dma/dma-workshops/interoperability-workshop_en - Yes in the protocol document this is 1.0: https://messaginglayersecurity.rocks/mls-protocol/draft-ietf-mls-protocol.html#section-6 "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Real World: Crypto (2023) 54:51

۲ years پیش54:51

54:51

Real World Cryptography 2023 is happening any moment now in Tokyo. Also, some phone basebands are broken. Links https://rwc.iacr.org/2023/ https://googleprojectzero.blogspot.com/2023/03/multiple-internet-to-baseband-remote-rce.html Transcript: https://securitycryptographywhatever.com/2023/03/24/rwc-2023/ "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Threema with Kenny Paterson, Matteo Scarlata and Kien Tuong Truong 1:03:55

۲ years پیش1:03:55

1:03:55

Another day, another ostensibly secure messenger that quails under the gaze of some intrepid cryptographers. This time, it's Threema, and the gaze belongs to Kenny Paterson, Matteo Scarlata, and Kien Tuong Truong from ETH Zurich. Get ready for some stunt cryptography, like 2 Fast 2 Furious stunts. Transcript: https://securitycryptographywhatever.com/2023/01/27/threema/ Links: https://breakingthe3ma.app/ https://threema.ch/press-files/2_documentation/cryptography_whitepaper.pdf https://threema.ch/en/blog/posts/ibex "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Has RSA been destroyed by a quantum computer??? 41:16

۲ years پیش41:16

41:16

There's a paper that claims one can factor a RSA-2048 modulus with the help of a 372-qubit quantum computer. Are we all gonna die? Also some musings about Bruce Schneier. Errata: Schneier's honorary PhD is from the University of Westminster, not UW. Transcript: https://securitycryptographywhatever.com/2023/01/06/has-rsa-been-destroyed-by-a-quantum-computer/ Links: https://arxiv.org/pdf/2212.12372.pdf https://eprint.iacr.org/2021/232.pdf https://github.com/lducas/SchnorrGate https://sweis.medium.com/did-schnorr-destroy-rsa-show-me-the-factors-dcb1bb980ab0 https://www.schneier.com/blog/archives/2023/01/breaking-rsa-with-a-quantum-computer.html https://scottaaronson.blog/?p=6957 "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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End of Year Wrap Up 59:27

۲ years پیش59:27

59:27

David and Deirdre gab about some stuff we didn't get to or just recently happened, like Tailscale's new Tailnet Lock, the Okta breach, what the fuck CISOs are for anyway, Rust in Android and Chrome, passkeys support, and of course, SBF. Transcript: https://securitycryptographywhatever.com/2023/01/04/end-of-year-wrap-up/ Links: https://tailscale.com/blog/tailnet-lock/ https://security.googleblog.com/2022/12/memory-safe-languages-in-android-13.html https://groups.google.com/a/chromium.org/g/chromium-dev/c/0z-6VJ9ZpVU "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Software Safety and Twitter with Kevin Riggle 58:36

۳ years پیش58:36

58:36

We talk to Kevin Riggle ( @kevinriggle ) about complexity and safety. We also talk about the Twitter acquisition. While recording, we discovered a new failure mode where Kevin couldn't hear Thomas, but David and Deirdre could, so there's not much Thomas this episode. If you ever need to get Thomas to voluntarily stop talking, simply mute him to half the audience! https://twitter.com/kevinriggle Transcript: https://securitycryptographywhatever.com/2022/11/24/software-safety-and-twitter-with-kevin-riggle/ Errata It was the Mars Climate Orbiter that crashed due to a units mismatch David confused the Dreamliner with the 737 Max Links https://free-dissociation.com/blog/posts/2018/08/why-is-it-so-hard-to-build-safe-software/ https://complexsystems.group/ https://how.complexsystems.fail/ https://noncombatant.org/2016/06/20/get-into-security-engineering/ https://blog.nelhage.com/2010/03/security-doesnt-respect-abstraction/ http://sunnyday.mit.edu/safer-world.pdf https://www.adaptivecapacitylabs.com/john-allspaw/ https://www.etsy.com/codeascraft/blameless-postmortems https://increment.com/security/approachable-threat-modeling/ https://www.nytimes.com/2022/11/17/arts/music/taylor-swift-tickets-ticketmaster.html https://www.hillelwayne.com/post/are-we-really-engineers/ https://www.hillelwayne.com/post/we-are-not-special/ https://www.hillelwayne.com/post/what-we-can-learn/ https://lotr.fandom.com/wiki/Denethor_II https://twitter.com/sarahjeong/status/1587597972136546304 "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Matrix with Martin Albrecht and Dan Jones 1:06:24

۳ years پیش1:06:24

1:06:24

No not the movie: the secure group messaging protocol! Or rather all the bugs and vulns that a team of researchers found when trying to formalize said protocol. Martin Albrecht and Dan Jones joined us to walk us through "Practically-exploitable Cryptographic Vulnerabilities in Matrix". Transcript : https://securitycryptographywhatever.com/2022/11/02/Matrix-with-Martin-Albrecht-Dan-Jones/ Links: https://nebuchadnezzar-megolm.github.io/static/paper.pdf https://nebuchadnezzar-megolm.github.io Signal Private Group system: https://eprint.iacr.org/2019/1416.pdf https://signal.org/blog/signal-private-group-system/ https://spec.matrix.org/latest/ WhatsApp Security Whitepaper: https://www.whatsapp.com/security/WhatsApp-Security-Whitepaper.pdf https://www.usenix.org/conference/usenixsecurity21/presentation/albrecht FS, PCS etc Other clients: https://nvd.nist.gov/vuln/detail/CVE-2022-39252 https://nvd.nist.gov/vuln/detail/CVE-2022-39254 https://nvd.nist.gov/vuln/detail/CVE-2022-39264 https://dadrian.io/blog/posts/roll-your-own-crypto/ https://podcasts.apple.com/us/podcast/the-great-roll-your-own-crypto-debate-feat-filippo-valsorda/id1578405214?i=1000530617719 WhatsApp End-to-End Encrypted Backups: https://blog.whatsapp.com/end-to-end-encrypted-backups-on-whatsapp Roll your own and Telegram: https://mtpsym.github.io/ "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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SOC2 with Sarah Harvey 1:01:37

۳ years پیش1:01:37

1:01:37

We have Sarah Harvey ( @worldwise001 on Twitter) to talk about SOC2, what it means, how to get it, and if it's important or not. The discussion centers around two blog posts written by Thomas: SOC2 Starting Seven: https://latacora.micro.blog/2020/03/12/the-soc-starting.html SOC2 at Fly: https://fly.io/blog/soc2-the-screenshots-will-continue-until-security-improves/ Transcript : https://securitycryptographywhatever.com/2022/10/16/SOC2-with-Sarah-Harvey/ Links: Tailscale recent post on getting SOC2’d: https://tailscale.com/blog/soc2-type2/ SSO Tax: https://sso.tax David’s previous job: https://getnametag.com David's other startup: https://censys.io Thomas works at https://fly.io "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Nate Lawson II 1:23:19

۳ years پیش1:23:19

1:23:19

This episode got delayed because David got COVID. Anyway, here's Nate Lawson: The Two Towers. Steven Chu: https://en.wikipedia.org/wiki/Steven_Chu CFB: https://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_feedback_(CFB) CCFB: https://link.springer.com/chapter/10.1007/11502760_19 XXTEA: https://en.wikipedia.org/wiki/XXTEA CHERI: https://cseweb.ucsd.edu/~dstefan/cse227-spring20/papers/watson:cheri.pdf Transcript : https://securitycryptographywhatever.com/2022/09/29/nate-lawson-ii/ Errata : Pedram Amini did in fact do Pai Mei "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Nate Lawson: Part 1 1:20:11

۳ years پیش1:20:11

1:20:11

We bring on Nate Lawson of Root Labs to talk about a little bit of everything, starting with cryptography in the 1990s. Transcript : https://securitycryptographywhatever.com/2022/09/09/nate-lawson-part-1/ References IBM S/390: https://ieeexplore.ieee.org/document/5389176 SSLv2 Spec: https://www-archive.mozilla.org/projects/security/pki/nss/ssl/draft02.html Xbox 360 HMAC: https://beta.ivc.no/wiki/index.php/Xbox_360_Timing_Attack Google Keyczar HMAC bug (reported by Nate): https://rdist.root.org/2009/05/28/timing-attack-in-google-keyczar-library/ Errata HMAC actually published in 1996, not 1997 "That was one of the first, I think hardware applications of DPA was, was, um, satellite TV cards." Not true, they first were able to break Mondex, a MasterCard smart card "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Hot Cryptanalytic Summer with Steven Galbraith 52:35

۳ years پیش52:35

52:35

Are the isogenies kaput?! There's a new attack that breaks all the known parameter sets for SIDH/SIKE, so Steven Galbraith helps explain where the hell this came from, and where isogeny crypto goes from here. Transcript: https://securitycryptographywhatever.com/2022/08/11/hot-cryptanalytic-summer-with-steven-galbraith/ Merch : https://merch.scwpodcast.com Links: https://eprint.iacr.org/2022/975.pdf https://eprint.iacr.org/2022/1026.pdf https://ellipticnews.wordpress.com/2022/07/31/breaking-supersingular-isogeny-diffie-hellman-sidh/ GPST active adaptive attack against SIDH: https://eprint.iacr.org/2016/859.pdf Failing to hash into supersingular isogeny graphs: https://eprint.iacr.org/2022/518.pdf https://research.nccgroup.com/2022/08/08/implementing-the-castryck-decru-sidh-key-recovery-attack-in-sagemath/ Kuperberg attack via Peikert: https://eprint.iacr.org/2019/725 .pdf SQISign: https://eprint.iacr.org/2020/1240.pdf (Post recording) Breaking SIDH in polynomial time: https://eprint.iacr.org/2022/1038.pdf "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

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Passkeys with Adam Langley 1:03:01

۳ years پیش1:03:01

1:03:01

Adam Langley (Google) comes on the podcast to talk about the evolution of WebAuthN and Passkeys! David's audio was a little finicky in this one. Believe us, it sounded worse before we edited it. Also, we occasionally accidentally refer to U2F as UTF. That's because we just really love strings. Transcript : https://securitycryptographywhatever.com/2022/08/11/passkeys-with-adam-langley/ Links : GoogleIO Presentation WWDC Presentation W3C WebAuthN Adam's blog on passkeys and CABLE Cable / Hybrid PR CTAP spec from FIDO Noise NKPSK DERP Don't forget about merch! https://merch.securitycryptographywhatever.com/ "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
Hertzbleed 58:39

۳ years پیش58:39

58:39

Side channels! Frequency scaling! Key encapsulation, oh my! We're talking about the new Hertzbleed paper, but also cryptography conferences, 'passkeys', and end-to-end encrypting yer twitter.com DMs. Transcript : https://securitycryptographywhatever.com/2022/06/17/hertzbleed/ Links: Hertzbleed Attack | ellipticnews (wordpress.com) https://www.hertzbleed.com/hertzbleed.pdf https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3920031 Merch : https://merch.scwpodcast.com "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
OMB Zero Trust Memo with Eric Mill 1:00:33

۳ years پیش1:00:33

1:00:33

The US government released a memo about moving to a zero-trust network architecture. What does this mean? We have one of the authors, Eric Mill , on to explain it to us. As always, your @SCWPod hosts are Deirdre Connolly ( @durumcrustulum ), Thomas Ptacek ( @tqbf ), and David Adrian ( @davidcadrian ). Transcript: https://securitycryptographywhatever.com/2022/06/10/omb-zero-trust-memo-with-eric-mill/ Links: OMB Memo Executive order on cybersecurity PIV card Derived PIV BeyondCorp HSTS Preloading .gov preloading Neither Rain, Nor Snow, Nor MITM EDR memo Technology Transformation Services (TTS) Is it Christmas? "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
Tink with Sophie Schmieg 1:07:02

۳ years پیش1:07:02

1:07:02

We talk about Tink with Sophie Schmieg, cryptographer and algebraic geometer at Google. Transcript: https://securitycryptographywhatever.com/2022/05/28/tink-with-sophie-schmieg/ Links: Sophie: https://twitter.com/SchmiegSophie Tink: https://github.com/google/tink RWC talk: https://youtube.com/watch?t=1028&v=CiH6iqjWpt8 Where to store keys: https://twitter.com/SchmiegSophie/status/1413502566797778948 EAX mode: https://en.wikipedia.org/wiki/EAX_mode AES-GCM-SIV: https://en.wikipedia.org/wiki/AES-GCM-SIV Deterministic AEADs: https://github.com/google/tink/blob/master/docs/PRIMITIVES.md#deterministic-authenticated-encryption-with-associated-data Thai Duong: https://twitter.com/XorNinja AWS-SDK Vuln: https://twitter.com/XorNinja/status/1310587707605659649 "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
Cancellable Crypto Takes and Real World Crypto 1:11:04

۳ years پیش1:11:04

1:11:04

Live from Amsterdam, it's cancellable crypto hot takes! A fun little meme, plus a preview of the Real World Crypto program! Transcript : https://securitycryptographywhatever.com/2022/04/12/cancellable-crypto-takes-and-real-world-crypto/ Links: Tony's twete: https://twitter.com/bascule/status/1512539700220805124 Real World Crypto 2022: https://rwc.iacr.org/2022 Merch! https://merch.scwpodcast.com Find us at: https://twitter.com/scwpod https://twitter.com/durumcrustulum https://twitter.com/tqbf https://twitter.com/davidcadrian "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
Lattices and Michigan Football with Chris Peikert 1:10:01

۳ years پیش1:10:01

1:10:01

We're back! With an episode on lattice-based cryptography, with Professor Chris Peikert of the University of Michigan, David's alma mater. When we recorded this, Michigan football had just beaten Ohio for the first time in a bajillion years, so you get a nerdy coda on college football this time! Transcript: https://securitycryptographywhatever.com/2022/03/12/lattices-and-michigan-football-with-chris-peikert/ Slides: https://web.eecs.umich.edu/~cpeikert/pubs/slides-qcrypt.pdf Links: He Gives C-Sieves on the CSIDH: https://eprint.iacr.org/2019/725 Lattice-based Cryptography: https://cims.nyu.edu/~regev/papers/pqc.pdf NIST PQC Competition: https://csrc.nist.gov/Projects/post-quantum-cryptography The 2nd Bar Ilan Winter School on Cryptography Lattice- Based Cryptography and Applications: https://www.youtube.com/playlist?list=PL8Vt-7cSFnw2OmpCmPLLwSx0-Yqb2ptqO A Decade of Lattice Cryptography: https://eprint.iacr.org/2015/939.pdf Find us at: https://twitter.com/scwpod https://twitter.com/durumcrustulum https://twitter.com/tqbf https://twitter.com/davidcadrian "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
Biscuits with Geoffroy Couprie 58:55

۳ years پیش58:55

58:55

We've trashed JWTs, discussed PASETO, Macaroons, and now, Biscuits! Actually, multiple iterations of Biscuits! Pairings and gamma signatures and Datalog, oh my! 🍪 Transcript: https://securitycryptographywhatever.com/2022/01/29/biscuits-with-geoffroy-couprie/ Links: Biscuits V2 : https://www.biscuitsec.org Experiments iterating on Biscuits: https://github.com/biscuit-auth/biscuit/tree/master/experimentations Apache Pulsar: https://pulsar.apache.org Spec: https://github.com/biscuit-auth/biscuit/blob/master/SPECIFICATIONS.md Find us at: https://twitter.com/scwpod https://twitter.com/durumcrustulum https://twitter.com/tqbf https://twitter.com/davidcadrian "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
Tailscale with Avery Pennarun and Brad Fitzpatrick 1:18:22

۳ years پیش1:18:22

1:18:22

“Can I Tailscale my Chromecast?” You love Tailscale, I love Tailscale, we loved talking to Avery Pennarun and Brad Fitzpatrick from Tailscale about, I dunno, Go generics. Oh, and TAILSCALE! And DNS. And WASM. Transcript: https://securitycryptographywhatever.com/2022/01/15/tailscale-with-avery-pennarun-brad-fitzpatrick/ People: Avery Pennarun (@apenwarr) Brad Fitzpatrick (@bradfitz) Deirdre Connolly (@durumcrustulum) Thomas Ptacek (@tqbf) David Adrian (@davidcadrian) @SCWPod Links: DERP server: https://github.com/tailscale/tailscale/tree/main/derp https://xtermjs.org/ The Tail at Scale : https://research.google/pubs/pub40801/ Raft: https://raft.github.io/ Litestream: https://litestream.io/ MagicDNS: https://tailscale.com/kb/1081/magicdns/ Netstack: https://github.com/google/netstack "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

Security Cryptography Whatever

1
The feeling's mutual: mTLS with Colm MacCárthaigh 1:10:31

۳ years پیش1:10:31

1:10:31

We recorded this months ago, and now it's finally up! Colm MacCárthaigh joined us to chat about all things TLS, S2N , MTLS, SSH, fuzzing, formal verification, implementing state machines, and of course, DNSSEC. Transcript: https://securitycryptographywhatever.com/2021/12/29/the-feeling-s-mutual-mtls-with-colm-maccarthaigh/ Find us at: https://twitter.com/scwpod https://twitter.com/durumcrustulum https://twitter.com/tqbf https://twitter.com/davidcadrian "Security Cryptography Whatever" is hosted by Deirdre Connolly (@durumcrustulum), Thomas Ptacek (@tqbf), and David Adrian (@davidcadrian)…

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