Search Results for "hash table"
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Showing 58 open source projects for "hash table"
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1
HighwayHash
Fast strong hash functions: SipHash/HighwayHash
HighwayHash is a fast, keyed hash function intended for scenarios where you need strong, DoS-resistant hashing without the full overhead of a general-purpose cryptographic hash. It’s designed to defeat hash-flooding attacks by mixing input with wide SIMD operations and a branch-free inner loop, so adversaries can’t cheaply craft many colliding keys. The implementation targets multiple CPU families with vectorized code paths while keeping a portable fallback, yielding high throughput across... -
2
TOML
Tom Preston-Werner's obvious, minimal language
...By Tom Preston-Werner, Pradyun Gedam, et al. TOML aims to be a minimal configuration file format that's easy to read due to obvious semantics. TOML is designed to map unambiguously to a hash table. TOML should be easy to parse into data structures in a wide variety of languages. TOML shares traits with other file formats used for application configuration and data serialization, such as YAML and JSON. TOML and JSON both are simple and use ubiquitous data types, making them easy to code for or parse with machines. TOML and YAML both emphasize human readability features, like comments that make it easier to understand the purpose of a given line. ... -
3
Hyprspace
A Lightweight VPN Built on top of IPFS + Libp2p
A Lightweight VPN Built on top of IPFS & Libp2p. Libp2p is a networking library created by Protocol Labs that allows nodes to discover each other using a Distributed Hash Table. Paired with NAT hole punching this allows Hyprspace to create a direct encrypted tunnel between two nodes even if they're both behind firewalls. Moreover! Each node doesn't even need to know the other's ip address prior to starting up the connection. This makes Hyprspace perfect for devices that frequently migrate between locations but still require a constant virtual ip address. -
4
BitTorrent DHT
Simple, robust, BitTorrent DHT implementation
bittorrent-dht is a Node.js implementation of the BitTorrent Mainline Distributed Hash Table (DHT) protocol, enabling decentralized peer discovery for BitTorrent clients. This module allows users to announce and lookup peers for specific torrents without the need for trackers. It’s lightweight, fast, and well-suited for building custom torrent clients, browser-based peers, or decentralized apps. This project powers part of WebTorrent and is maintained with performance and minimalism in mind. -
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KadNode
P2P DNS with content key, crypto key and PKI support
KadNode is a decentralized DNS resolver that uses the BitTorrent Distributed Hash Table (DHT) network to resolve domain names, particularly those ending with .p2p. It operates as a lightweight daemon, intercepting DNS requests and providing IP address resolutions without relying on centralized DNS infrastructure. KadNode supports authentication mechanisms to ensure the integrity and authenticity of the resolved addresses. -
6
Hypermind
The high-availability solution to a problem that doesn't exist
Hypermind is a whimsical yet technically intriguing decentralized application that combines a peer-to-peer (P2P) network counter with ephemeral chat functionality, built to “solve” the meta-problem of tracking how many peers are running its container in a decentralized mesh. There’s no central server or database; instead, Hypermind leverages a Distributed Hash Table (DHT) using Hyperswarm to discover peers and maintain approximate counts of active nodes, architected to be a fully decentralized service. Alongside counting nodes, the project also supports ephemeral chat over its mesh network, allowing users to send messages directly to local peers or broadcast via a gossip protocol without storing chat history. ... -
7
Greenmask
PostgreSQL database anonymization and synthetic data generation tool
Greenmask is a powerful open-source utility that is designed for logical database backup dumping, obfuscation, and restoration. It offers extensive functionality for backup, anonymization, and data masking. Greenmask is written in pure Go and includes ported PostgreSQL libraries that allows for platform independence. This tool is stateless and does not require any changes to your database schema. It is designed to be highly customizable and backward-compatible with existing PostgreSQL... -
8
Hivemind
Decentralized deep learning in PyTorch. Built to train models
...Its intended usage is training one large model on hundreds of computers from different universities, companies, and volunteers. Distributed training without a master node: Distributed Hash Table allows connecting computers in a decentralized network. Fault-tolerant backpropagation: forward and backward passes succeed even if some nodes are unresponsive or take too long to respond. Decentralized parameter averaging: iteratively aggregate updates from multiple workers without the need to synchronize across the entire network. ... -
9
LinAsm
Collection of fast and optimized assembly libraries for x86-64 Linux
LinAsm is collection of very fast and SIMD optimized assembly written libraries for x86-64 Linux. It implements many common and widely used algorithms for array manipulations: searching, sorting, arithmetic and vector operations, unit conversions; fast mathematical and statistic functions; numbers and time converting algorithms; finite impulse response (FIR) digital filters; spectrum analysis algorithms, Fast Hartley transformation; CPU cache friendly functions and extremely fast abstract... -
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10
Naeon
The safest way to store private data in untrusted (cloud) environments
...The data is then sharded into one private chunk containing the encryption key and part of the data, and multiple public chunks. Each chunk is renamed using its SHA-512 hash, and all chunks are timestamped equally. A filename conversion table is created to restore the concatenation order during a restore. The method aims to guarantee confidentiality, integrity, and availability of data, regardless of the trustworthiness of the chosen storage environment, while protecting against data breaches and unauthorized access. ... -
11
libfc4c
Fast containers for C language
C dynamic containers are missing in the standard, so almost every single project in C uses different implementations. This library is yet another implementation of few basic containers, optimized for speed. A simplified interface to libarchive allows to save the containers in a compressed form. All the containers are 32bit. This greatly improves the performance (up to ~32%) and reduces the memory consumption (up to 41%) on 64bit systems. All the containers are pre-allocating buffers to... -
12
DAR - Disk ARchive
For full, incremental, compressed and encrypted backups or archives
DAR is a command-line backup and archiving tool that uses selective compression (not compressing already compressed files), strong encryption, may split an archive in different files of given size and provides on-fly hashing, supports differential backup with or without binary delta, ftp and sftp protocols to remote cloud storage Archive internal's catalog, allows very quick restoration even a single file from a huge, eventually sliced, compressed, encrypted archive eventually located on... -
13
joy of text
Editor with scripting language, security features & system interfaces.
Jot was developed general purpose editor for large CAD files. It's command-driven UI requires no mode switching and hence requires fewer keystrokes to get a typical job done. It is particularly useful for checking and cross-referencing between several source, intermediate and output files - a common requirement for CAD work. But jot's usefulness doesn't stop there. It's sophisticated search features can, for example, be used for interactive data mining or automating the extraction of... -
14
Sobbu
Encode-Decode Tool weaponized with Hash Encrypt & Hash Cracker
Sobbu is a cryprography tool with various encode-decode algorithm weaponized with Hash encrypting and Hash cracker via Rainbow Table method. This tool used 4 different hash database to identify hash value. Currently available for Windows (CLI + GUI) and Linux (CLI) Latest version : 1.4 Available Encode-Decode algorithm : - Base32 - Base64 - Binary - Octal - Hex - ASCII - URL - HTML - ROT13 Available Hash encrypting and Hash cracking algorithm : - MD5 - SHA1 - SHA224 - SHA256 - SHA384 - SHA512 - SHA3_224 - SHA3_256 - SHA3_384 - SHA3_512 -
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LBRY SDK
The LBRY SDK for building decentralized content apps
...LBRY also provides a data network that consists of peers (seeders) uploading and downloading data from other peers, possibly in exchange for payments, as well as a distributed hash table used by peers to discover other peers. LBRY SDK for Python is currently the most fully featured implementation of the LBRY Network protocols and includes many useful components and tools for building decentralized applications. -
16
StructPie
A set of C libraries to implement data structures and algorithms
Struct-Pie (Structures Pie) is a set of C shared libraries to implement data structures and algorithms so that they can be used/integrated easily into C projects. LIFO & FIFO Stack, Binary Search Tree, Priority Queue and a Hash Table are implemented and included in this package. Future releases will have many other data structures. The hash table in this package uses separate chaining to avoid collision. In the "hash_table" directory, the hash table implementation uses linked lists. While in "HashBSTree" directory, a hash table with a binary tree in each index is implemented for faster lookup in large data. ... -
17
pg_pathman
Partitioning tool for PostgreSQL
pg_pathman is a PostgreSQL extension that provides high-performance partitioning support, developed by PostgresPro. It improves query planning and execution speed for partitioned tables by introducing advanced partition pruning and runtime optimization strategies. It’s ideal for large datasets that require fine-tuned partition control. -
18
clzw
Implementation of LZW compression algorithm in C
... - Console encoder/decoder tools - OS independent - Could be used in embedded projects - Works with raw code-stream LZW features: - Hardcoded dictionary size - Variable code size - Code search is performed by hash table and embedded in dictionary linked lists (encoder) - No dynamic memory allocation -
19
bt-btt
Guide and resources for accessing and using the U3C3 BitTorrent site
...It primarily serves as documentation describing how the site works, how users can access it, and how magnet link resources are organized and retrieved. It explains how BitTorrent and magnet link downloads operate, including the role of trackers and distributed hash table (DHT) networks in locating peers and downloading files. BT-btt also discusses different ways users can search for torrent resources, including strategies for improving search results when dealing with multiple language variants or different character encodings. Additional documentation explains why certain statistics such as active download counts may not always be accurate when DHT-based downloads are used. -
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EasyVM
ezvm is a multi purpose language vm
evzm is a multi purpose language vm. It is based on Harvard architecture and it supports high level data type such as a hash table or array. -
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PrydeWorX Library
The PrydeWorX C++ Library of workers, tools and utilities.
The PrydeWorX Library project has been moved to: https://pwxlib.prydeworx.com The page here is kept as historical reference. The information is outdated, and won't get updated any more. -
22
bps
A B-tree based associative array library.
B-tree with a twist pointer set. The ordered set approaches the speed of the fastest unordered, hash table based sets, while using several times less memory. -
23
cg-invoice
Invoice and office utilities program for customer managment
cg-invoice is a HTML5, Bootstrap, PDO simple yet productive way to write invoices and then retrieve the client data in more than one way. Invoicing invoices from anywhere online. View table or you can reprint the invoice as it was originally written. Business management for quotes or estimates. Contacts and vendors listing tabs for easy search. Office or personal tools to track customers, inventory, mailing lists, company phone numbers with a scheduler calendar included. Scripts written... -
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__Alien Cipher
A bespoke symmetric cipher.
...The primary aim is to simply learn the fundamentals and finer details of cryptography in general and build working examples of my ideas in code. The code is shared here for posterity (future folk) in the guise that it may help others also on the path to cryptography. This code demo uses a 256bit rolling hash table (8x8bytes) at its heart to mix together pre-defined parameters in a way that allows the cipher to produce encoded output that is locked to a key of arbitrary length without padding. Based upon some random data points the cipher produces encoded output that is non-deterministic in nature, the same key and message will never produce the same output each time it's run. ... -
25
v1pad
One-time-pad encryption using a virtual pad
v1pad is a command-line tool that encrypts and decrypts files using one-time-pad encryption. v1pad uses a virtual pad, meaning that the one-time pad is generated dynamically based on user input instead of being stored in a file. The name v1pad is an abbreviation for Virtual One-Time Pad.
