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 gettin...
Oct 16, 2022•1 hr 2 min•Season 2Ep. 5
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-...
Sep 29, 2022•1 hr 23 min•Season 2Ep. 4
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/2...
Sep 09, 2022•1 hr 20 min•Season 2Ep. 3
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-...
Aug 11, 2022•53 min•Season 2Ep. 2
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 Ca...
Aug 11, 2022•1 hr 3 min•Season 2Ep. 1
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 "Securit...
Jun 18, 2022•59 min
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 ...
Jun 11, 2022•1 hr 1 min
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/A...
May 28, 2022•1 hr 7 min
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.c...
Apr 13, 2022•1 hr 11 min
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 ...
Mar 13, 2022•1 hr 10 min
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/bisc...
Jan 29, 2022•59 min
“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: h...
Jan 15, 2022•1 hr 18 min
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&q...
Dec 29, 2021•1 hr 11 min
Happy New Year! Feliz Navidad! Merry Yule! Happy Hannukah! Pour one out for the log4j incident responders! We did a call-in episode on Twitter Spaces and recorded it, so that's why the audio sounds different. We talked about BLOCKCHAIN/Web3 (blech), testing, post-quantum crypto, client certificates, ssh client certificates, threshold cryptography, U2F/WebAuthn, car fob attacks, geese, and more! Transcript: https://securitycryptographywhatever.com/2021/12/21/holiday-call-in-spectacular/ Find...
Dec 22, 2021•1 hr 22 min
Hey, a new episode! We had a fantastic conversation with Jason Donenfeld, creator of our favorite modern VPN protocol: WireGuard! We touched on kernel hacking, formal verification, post-quantum cryptography, developing with disassemblers, and more! Transcript: https://securitycryptographywhatever.com/2021/12/05/wireguard-with-jason-donenfeld/ Links: WireGuard: https://www.wireguard.com Tamarin : https://tamarin-prover.github.io IDApro : https://hex-rays.com/ida-pro NIST PQC : https://csrc.nist.g...
Dec 05, 2021•1 hr 21 min
A conversation that started with PAKEs (password-authenticated key exchanges) and touched on some cool math things: PRFs, finite fields, elliptic curve groups, anonymity protocols, hashing to curve groups, prime order groups, and more. With special guest, George Tankersley! Transcript: https://securitycryptographywhatever.com/2021/10/26/pakes-oprfs-algebra-with-george-tankersley/ Links: SRP deprecation: https://blog.cryptographyengineering.com/should-you-use-srp OPAQUE: https://www.ietf.org/id/d...
Oct 26, 2021•1 hr 15 min
A lot of fixes got pushed in the past week! Please apply your updates! Apple, Chrome, Matrix, Azure, and more nonsense. Transcript: https://securitycryptographywhatever.com/2021/09/20/patch-damnit/ Find us at: https://twitter.com/scwpod https://twitter.com/durumcrustulum https://twitter.com/tqbf https://twitter.com/davidcadrian Links! The accuvant story in MIT Technology Review All the Apple platforms patched FORCEDENTRY no-click 0-day Chrome patched some 0-days that were being exploited in the ...
Sep 20, 2021•1 hr 15 min
Not the hero the internet deserves, but the one we need: it's Ryan Sleevi! We get into the weeds on becoming a certificate authority, auditing said authorities, DNSSEC, DANE, taking over country code top level domains, Luxembourg, X.509, ASN.1, CBOR, more JSON (!), ACME, Let's Encrypt, and more, on this extra lorge episode with the web PKI's Batman. Transcript: https://securitycryptographywhatever.com/2021/09/06/how-to-be-a-certificate-authority-with-ryan-sleevi/ Find us at: https...
Sep 06, 2021•2 hr 34 min
We're talking about Apple's new proposed client-side CSAM detection system . We weren't sure if we were going to cover this, and then we realized that not all of us have been paying super close attention to what the hell this thing is, and have a lot of questions about it. So we're talking about it, with our special guest Professor Matthew Green. We cover how Apple's system works, what it does (and doesn't), where we have unanswered questions, and where some of the ...
Aug 28, 2021•53 min
We did not run out of things to talk about: Chrome vs. Safari vs. Firefox. Rust vs. C++. Bug bounties vs. exploit development. The Peace Corps vs. The Marine Corps. Transcript: https://securitycryptographywhatever.com/2021/08/21/platform-security-part-deux-with-justin-schuh/ 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), ...
Aug 21, 2021•1 hr 20 min
🔥JWT🔥 We talk about all sorts of tokens: JWT, PASETO, Protobuf Tokens, Macaroons, and Biscuits. With the great Jonathan Rudenberg! After we recorded this, Thomas went deep on tokens even beyond what we talked about here: https://fly.io/blog/api-tokens-a-tedious-survey/ Transcript: https://securitycryptographywhatever.com/2021/08/12/what-do-we-do-about-jwt-with-jonathan-rudenberg/ Find us at: https://twitter.com/durumcrustulum https://twitter.com/tqbf https://twitter.com/davidcadrian https://tw...
Aug 12, 2021•1 hr 15 min
Special guest Filippo Valsorda joins us to debate with Thomas on whether one should or should not "roll your own crypto", and how to produce better cryptography in general. After we recorded this, David went even deeper on 'rolling your own crypto' in a blog post here: https://dadrian.io/blog/posts/roll-your-own-crypto/ Transcript: https://securitycryptographywhatever.com/2021/07/31/the-great-roll-your-own-crypto-debate-with-filippo-valsorda/ Links: https://peter.website/meow...
Jul 31, 2021•1 hr 1 min
Deirdre, Thomas and David talk about NSO group, Pegasus, whether iOS a burning trash fire, the zero-day market, and whether rewriting all of iOS in Swift is a viable strategy for reducing all these vulns. Transcript: https://securitycryptographywhatever.com/2021/07/26/nso-group-pegasus-zero-days-i-os-message-security/ Find us at: https://twitter.com/durumcrustulum https://twitter.com/tqbf https://twitter.com/davidcadrian "Security Cryptography Whatever" is hosted by Deirdre Connolly (@...
Jul 26, 2021•1 hr
