Cryptography FM
Activity Overview
Episode publication activity over the past year
Episodes
Episode 24: CryptoHack's Collection of Cryptic Conundrums!
27 Feb 2023
Contributed by Lukas
For several years, CryptoHack has been a free platform for learning modern cryptography through fun and challenging programming puzzles. From toy ciph...
Episode 23: Psychic Signatures in Java!
25 Jan 2023
Contributed by Lukas
On April 19th 2022, Neil Madden disclosed a vulnerability in many popular Java runtimes and development kits. The vulnerability, dubbed "Psychic Signa...
Episode 22: Three Lessons from Threema: Breaking a Secure Messenger!
16 Jan 2023
Contributed by Lukas
Threema is a Swiss encrypted messaging application. It has more than 10 million users and more than 7000 on-premise customers. Prominent users of Thre...
Episode 21: Proving Fundamental Equivalencies in Isogeny Mathematics!
24 Aug 2021
Contributed by Lukas
Benjamin Wesolowski talks about his latest paper in which he mathematically proved that the two fundamental problems underlying isogeny-based cryptogr...
Episode 20: Cryptanalysis of GPRS: GEA-1 and GEA-2!
20 Jul 2021
Contributed by Lukas
A team of cryptanalysits presents the first publicly available cryptanalytic attacks on the GEA-1 and GEA-2 algorithms. Instead of providing full 64-b...
Episode 19: Cross-Protocol Attacks on TLS with ALPACA!
12 Jul 2021
Contributed by Lukas
TLS is an internet standard to secure the communication between servers and clients on the internet, for example that of web servers, FTP servers, and...
Episode 18: Optimizing Cryptography for Microcontrollers!
23 Jun 2021
Contributed by Lukas
Nadim talks with Peter Schwabe and Matthias Kannwischer about the considerations — both in terms of security and performance — when implementing c...
Episode 17: Breaking Wi-Fi With Frame Attacks!
01 Jun 2021
Contributed by Lukas
Wi-Fi is a pretty central technology to our daily lives, whether at home or at the office. Given that so much sensitive data is regularly exchanged be...
Episode 16: Contact Discovery in Mobile Messengers!
24 May 2021
Contributed by Lukas
Contact discovery is a core feature in popular mobile messaging apps such as WhatsApp, Signal and Telegram that lets users grant access to their addre...
Episode 15: Bringing Secure Multiparty Computation to the Real World!
26 Apr 2021
Contributed by Lukas
Secure multi-party computation is a fascinating field in cryptography, researching how to allow multiple parties to compute secure operations over inp...
Episode 14: Schnorr, Factoring and Lattices!
30 Mar 2021
Contributed by Lukas
On March 1st, 2021, a curious paper appeared on the Cryptology ePrint Archive: senior cryptographer Claus Peter Schnorr submitted research that claims...
Episode 13: Zero-Knowledge STARKs in the Real World!
14 Mar 2021
Contributed by Lukas
Zero-Knowledge proofs have broadened the realm of use cases for applied cryptography over the past decade, from privacy-enhanced cryptocurrencies to a...
Episode 12: Special Real World Crypto 2021 Pre-Conference Coverage!
07 Jan 2021
Contributed by Lukas
Every year, the IACR Real World Cryptography symposium brings together researchers, engineers and practitioners in applied cryptography to discuss cry...
Episode 11: Breaking the Rainbow Post-Quantum Cryptography Candidate!
08 Dec 2020
Contributed by Lukas
The race for post-quantum cryptographic signature primitives is in its final lap over at NIST, which recently announced DILITHIUM, FALCON and Rainbow ...
Episode 10: Exploiting Authenticated Encryption Key Commitment!
01 Dec 2020
Contributed by Lukas
Authenticated encryption such as AES-GCM or ChaCha20-Poly1305 is used in a wide variety of applications, including potentially in settings for which i...
Episode 9: Off-the-Record Messaging and PKI Implementations!
20 Nov 2020
Contributed by Lukas
Before there was Signal, before there was WhatsApp, the realm of secure encrypted messaging was ruled by the Off-the-Record secure messaging protocol,...
Episode 8: Breaking Elliptic-Curve Signatures With LadderLeak!
17 Nov 2020
Contributed by Lukas
Elliptic-curve signatures have become a highly used cryptographic primitive in secure messaging, TLS as well as in cryptocurrencies due to their high ...
Episode 7: Scaling Up Secure Messaging to Large Groups With MLS!
10 Nov 2020
Contributed by Lukas
Secure messaging protocols like Signal have succeeded at making end-to-end encryption the norm in messaging more generally. Whether you’re using Wha...
Episode 6: Proving the Existence of Vulnerabilities With Zero-Knowledge Proofs!
03 Nov 2020
Contributed by Lukas
Zero-knowledge proofs have been a notorious research target ever since Zcash and other cryptocurrencies have invented lots of new use cases for them. ...
Episode 5: Isogeny-based Cryptography for Dummies!
27 Oct 2020
Contributed by Lukas
The NIST post-quantum competition has started a race for post-quantum cryptography. As a result, we’ve seen a great deal of research into alternativ...
Episode 4: Formally Verifying Your Taxes With Catala!
20 Oct 2020
Contributed by Lukas
Anyone who’s looked at the French civil code -- or, God forbid, the French tax code -- will tell you that it takes more than a mere human mind to de...
Episode 3: BLAKE3, A Parallelizable Hash Function Using Merkle Trees!
13 Oct 2020
Contributed by Lukas
Ever since its introduction in 2012, the BLAKE hash function has been reputed for achieving performance matching and even exceeding MD5 while still ma...
Episode 2: Breaking Lightweight Symmetric Cryptography!
06 Oct 2020
Contributed by Lukas
Aside from working on a competition for standardizing post-quantum primitives, the United States National Institute of Standards and Technology, or NI...
Episode 1: Post-Quantum TLS With KEMs Instead of Signatures!
29 Sep 2020
Contributed by Lukas
TLS 1.3 has been widely praised as a major upgrade to the Transport Layer Security protocol responsible for securing the majority of Web traffic. But ...