Pascal Schärli
pascscha.ch
Pascal Schärli
@pascscha.ch
Cyber security master's graduate from ETH Zürich, now a dedicated Cryptography Engineer with a strong passion for coding and scripting.

https://schaerli.org
4096-bit RSA ✅
MD5-KDF ❌

Had some fun at work, reviewing the disaster recovery of fireblocks, an enterprise crypto wallet securing trillions of $$$

blog.senthorus.ch/posts/when_g...
When Giants Use Toothpicks
How Two Rounds of MD5 Were Used to Protect 4096-bit RSA Keys in an Enterprise Recovery System.
blog.senthorus.ch
July 3, 2025 at 8:49 PM
Finished another banger episode of the Security Cryptography Whatever Podcast, discussing the many shortcomings of 5 E2EE cloud storage systems. As @sockpuppet.org puts it: "they don’t make attacks like this anymore"

securitycryptographywhatever.com/2025/05/19/e...
June 1, 2025 at 4:10 PM
#NIST published a timeline on transitioning to post-quantum secure cryptography: nvlpubs.nist.gov/nistpubs/ir/...
nvlpubs.nist.gov
November 28, 2024 at 2:51 PM
Im sure you've heard of #typosquatting but did you know it happens with phone numbers too? Great video from Jim Browning exposing how companies exploit misdialed calls, using the personal data shared by victims to sign them up for unwanted subscription services.
youtu.be/h9Rk51WQC9A?...
They want you to MISDIAL
YouTube video by Jim Browning
youtu.be
November 23, 2024 at 7:20 PM