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Find quantum-vulnerable crypto in your code

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  16. 16AI

    I really couldn't find a simple wrapper to pycrypto that would encrypt data correctly in Python 3. So I tried to follow the instructions at http://www.daemonology.net/blog/2009-06-11-cryptographic-right-answers.html (written by HN's cperciva) and wrote https://github.com/andrewcooke/simple-crypt Is that OK? Given the problems Tarsnap had with CTR mode, was it wrong to follow those instructions anyway? Have I got the offset handling right? It seemed like it would be better to write this once, get it revised here, and then publish it (I'll make an egg for pypi once it seems OK) than quietly…

    2012

  17. 17DO

    I’ve developed a new public-key encryption scheme (DIAC) that uses multidimensional, high-precision complex keyspaces and a modular trapdoor function for ultra-high entropy and quantum resistance. The code, benchmarks, and research paper (PDF) are all open-source: https://osf.io/mvkcq/ Would love feedback, questions, or cryptanalysis!

    2025 · osf.io

  18. 18

    Post-Quantum Cryptography Test Kit

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  19. 19EE

    Hi HN, we have recently completed a research project on how to encrypt emails with post-quantum secure algorithms as well as Forward Secrecy. We'd love to hear your feedback and discuss technical issues. The paper can be found here: https://eprint.iacr.org/2021/875

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  23. 23FQ

    SasaSavic.ca recently launched a public cryptographic timestamping service designed to remain verifiable even in a post-quantum world. The platform uses SasaSavic Quantum Shield™, a dual-signature protocol combining classical and post-quantum security. Each submitted SHA-256 hash is: • Dual-signed with ECDSA P-256 and ML-DSA-65 (per NIST FIPS 204) • Anchored to the Bitcoin blockchain via OpenTimestamps • Recorded in a public, verifiable daily ledger API (beta, no auth required): https://sasasavic.ca/beta-api/ Example curl request: curl -X POST…

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