Work · alternatives · 2026

24 alternatives to AES-256 brute force using structured logic (UUIDs and xy = x/y rule)

I’ve been experimenting with structured logic as a way to frame search spaces — not in an academic way, just as a personal project. I wanted to know: what happens if you initialize a brute-force run with a simple equality like xy = x / y? Not as a filter, just as a logical ignition point. I used AES-256-CBC encrypted files with UUID passwords and tested against a 1 million UUID space. It cracked it in under 40 seconds. Then I scaled it to a 1 billion UUID range, and it still found the key without issue. This isn’t a crypto tool, and I’m not trying to solve any cryptographic problems.…

A personal research project exploring structured logic as a method to optimize brute-force search spaces. The creator tested the approach against AES-256-CBC encrypted files secured with UUID passwords, finding keys… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
Checking 320M passwords in milliseconds with serverless bloom filters▲33
Using serverless functions to provide an API for checking potential passwords against an enormous corpus of passwords leaked from security breaches. - jthomas/serverless-pwned-passwords
2017 · github.com · its alternatives →
2
A hash array-mapped trie implementation in C▲171
Long-simmering side project that is finally ready to see the light. HAMTs are a cool persistent data structure and implementing one has been a lot of fun. Beyond the code, there is likely some value in the extensive and largely complete implementation docs; basic benchmarks are linked in the README, too. Kind of aiming to be "the libavl for HAMTs". That is obviously a high and aspirational bar but a distinct possibility if it stirs up a little interest and/or contribution. Anyways, it's time for this to go out, collect feedback and maybe even some use outside of toy projects. Let me…
2023 · github.com · its alternatives →
3
128-bit, roughly-ordered, URL-safe UUIDs▲205
Timeflake is a 128-bit, roughly-ordered, URL-safe UUID. - anthonynsimon/timeflake
2021 · github.com · its alternatives →
4
FractalCrypt 2.0 – free deniable encryption cryptoarchiver▲128
Free cross-platform deniable encryption cryptoarchiver - GitHub - zorggomat/FractalCryptGUI: Free cross-platform deniable encryption cryptoarchiver
2021 · github.com · its alternatives →
5PP
Puree – Password-based Uniform-Random-Equivalent Encryption▲190
2020 · puree.cc · its alternatives →
6
Cracking passwords with a simple genetic algorithm▲149
Population based metaheuristic for password cracking. Siga(Simple genetic algorithm) - lyle-nel/siga
2016 · github.com · its alternatives →
7
Go library for concise, unambiguous and URL-safe UUIDs▲50
A generator library for concise, unambiguous and URL-safe UUIDs - lithammer/shortuuid
2015 · github.com · its alternatives →
8
ArcaneVM – A Fully Homomorphic Encryption Brainfuck Virtual Machine▲131
A Fully Homomorphic Encryption Brainfuck virtual machine - f-prime/arcanevm
2019 · github.com · its alternatives →
9
Faking SIMD to Search and Sort Strings 5x Faster▲29
I want to share a really dumb, but very practical project I have packaged this summer, to perform operations on strings much faster. I was using Python to work with a multi-terabyte newline-delimited file. Reading, splitting, and shuffling it was a nightmare. So, I wrapped a trivial hardware-friendly heuristic I've been using for the last few years into a CPython library. The part I enjoyed the most is implementing SIMD behavior without SIMD instructions... Using 64-bit words to work at 8-bit granularity. Unlike conventional SIMD, the code would remain the same for ~~almost~~ any hardware.…
2023 · ashvardanian.com · its alternatives →
10
A nibble-oriented CPU in Verilog to build a scientific calculator▲119
The core question: how did HP's scientific calculators actually work at the gate level? That rabbit hole led to building one from scratch. The architectural decision everything else follows from: a decimal calculator should store numbers as BCD — one decimal digit per 4-bit nibble. A standard byte-oriented CPU (Z80, 6502) fights that layout constantly. So I designed a small custom CPU in Verilog where 4 bits is the natural data width and memory is nibble addressable. What the project covers: - Custom CPU: Harvard architecture, 12-bit ISA, 8-state execution FSM, hardware stack guard with a…
May 2026 · github.com · its alternatives →
11
Entropy Based Password Validation▲31
Validate the Strength of a Password in Go. Contribute to wagslane/go-password-validator development by creating an account on GitHub.
2020 · github.com · its alternatives →
12
Differential Fuzzing of Cryptographic Libraries▲84
Cryptofuzz Cryptofuzz is a project that fuzzes cryptographic libraries and compares their output in order to find implementation discrepancies. It’s quite effective and has already found a lo…
2019 · guidovranken.com · its alternatives →
13
Flippy Bit And The Attack Of The Hexadecimals▲78
Bitwise operations and conversions to hexadecimals
2016 · flippybitandtheattackofthehexadecimalsfrombase16.com · its alternatives →
14
Tantivy▲68
A full-text, horse-speed search engine library in Rust
2022 · github.com · its alternatives →
15
CryptoHack – a fun platform for learning cryptography▲20
A free, fun platform to learn about cryptography through solving challenges and cracking insecure code. Can you reach the top of the leaderboard?
2020 · cryptohack.org · its alternatives →
16
Entropy-Guided Loop – How to make small models reason▲33
TLDR: A small, vendor-agnostic inference loop that turns token logprobs/perplexity/entropy into an extra pass and reasoning for LLMs. - Captures logprobs/top-k during generation, computes perplexity and token-level entropy. - Triggers at most one refine when simple thresholds fire; passes a compact “uncertainty report” (uncertain tokens + top-k alts + local context) back to the model. - In our tests on technical Q&A / math / code, a small model recovered much of “reasoning” quality at ~⅓ the cost while refining ~⅓ of outputs. I kept seeing “reasoning” models behave…
2025 · github.com · its alternatives →
17
CipherStash Stack – Data Level Access Control in TS/JS▲17
Hi HN, I'm Dan Draper, founder of CipherStash. We've spent 5 years building per-value searchable encryption tech. We realized that encryption like this is incredibly powerful but the engineering required is generally not worth the effort. So we built a platform and opensource SDK to take the cry out of cryptography :) CipherStash Stack is: * A searchable encryption SDK for TS and Postgres * Fast, key management with Zerokms (backed by HSM) * A transparent SQL proxy * Auth library and OIDC federation service * Skills for data security Integrations include Prisma Next, Drizzle, Auth0, Clerk…
May 2026 · cipherstash.com · its alternatives →
18
A reimplementation of Google's sparsehash in C▲22
A simple re-implementation of Google's sparsehash as a learning excercise. - qpfiffer/Simple-Sparsehash
2015 · github.com · its alternatives →
19
XTrace – Encrypted vector DB (search embeddings without exposing them)▲13
Hey everyone! This is XTrace. Wanted to share what we’ve been working on for the past year. We built a private vector database from the ground up that performs similarity search on encrypted vectors. The server never sees your plaintext embeddings or documents. The problem we’re trying to solve: every vector DB today requires plaintext on the server. If you're doing RAG over sensitive data (medical, legal, financial), your embeddings — which researchers have shown can be inverted to recover original text — sit exposed on someone else's infrastructure. XTrace encrypts everything on your…
Apr 2026 · github.com · its alternatives →
20
UUID as a Service▲13
An interactive tour of UUIDs: what every nibble means, and how versions 1, 3, 4, 5, 6, 7 and 8 fill the 128 bits (RFC 9562).
2012 · uuid.me · its alternatives →
21DB
Double blind entropy using Drand for verifiably fair randomness▲21
The only way to get a trust-less random value is to have it distributed and time-locked three ways, player, server and a future-entropy. In the demo above, the moment you commit (Roll-Dice) a commit with the hash of a player secret is sent to the server and the server accepts that and sends back the hash of its secret back and the "future" drand round number at which the randomness will resolve. The future used in the demo is 10 secs When the reveal happens (after drand's particular round) all the secrets are revealed and the random number is generated using…
Feb 2026 · blockrand.net · its alternatives →
22
An interactive tutorial on symmetric encryption▲5
symmetric encryption, speck, block modes, brute-force, nonce reuse
2022 · easylang.online · its alternatives →
23
Password-less authentication via Ramanujan's 1/π series and Nvidia-B200▲5
This preprint introduces a groundbreaking, zero-latency bank interaction framework that solves the Memory Wall problem in cybersecurity. By replacing memorized secrets with Silicon DNA (S-DNA) and securing the transaction layer with Ramanujan's transcendental 1/pi series, we establish a hardware-nat
May 2026 · zenodo.org · its alternatives →
24
SnowId – A Decentralized, K-Ordered, 128-bit UUID library in C▲15
Sharing my project inspired by twitter snowflake UUID generator but that supports: 1) Longer range of id's to be generated. 2) No coordination with other machines in the distributed system.
2022 · github.com · its alternatives →

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