Published on: 2025-08-19 07:28:44
In November 2022, I opened issue 99108 on Python’s GitHub repository, arguing that after a recent CVE in its implementation of SHA3, Python should embrace verified code for all of its hash-related infrastructure. As of last week, this issue is now closed, and every single hash and HMAC algorithm exposed by default in Python is now provided by HACL*, the verified cryptographic library. There was no loss of functionality, and the transition was entirely transparent for Python users. Python now ve
Keywords: algorithms block hmac python streaming
Find related items on AmazonPublished on: 2025-11-07 18:41:59
Because I'm a massive nerd, I actually try to read specification documents. As I've ranted ad nauseam about the current TOTP spec being irresponsibly obsolete. The three major implementations of the spec - Google, Apple, and Yubico - all subtly disagree on how it should be implemented. Every other MFA app has their own idiosyncratic variants. The official RFC is infuriatingly vague. That's no good for a security specification. Multiple implementations are great, multiple interpretations are not
Keywords: hmac issuer rfc sha totp
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