Search Results for "hash function" - Page 2
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Showing 41 open source projects for "hash function"
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sjcl
Stanford Javascript Crypto Library
...The minified version of the library is under 6.4KB compressed, and yet it posts impressive speed results. SJCL is secure. It uses the industry-standard AES algorithm at 128, 192 or 256 bits; the SHA256 hash function; the HMAC authentication code; the PBKDF2 password strengthener; and the CCM and OCB authenticated-encryption modes. Just as importantly, the default parameters are sensible: SJCL strengthens your passwords by a factor of 1000 and salts them to protect against rainbow tables, and it authenticates every message it sends to prevent it from being modified. ... -
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casync
Content-addressable data synchronization tool
...An efficient way to deliver and update OS, VM, IoT and container images over the Internet in an HTTP and CDN friendly way. Let's take a large linear data stream, split it into variable-sized chunks (the size of each being a function of the chunk's contents), and store these chunks in individual, compressed files in some directory, each file named after a strong hash value of its contents, so that the hash value may be used to as key for retrieving the full chunk data. Let's call this directory a "chunk store". At the same time, generate a "chunk index" file that lists these chunk hash values plus their respective chunk sizes in a simple linear array. ... -
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zsh-git-prompt
Informative git prompt for zsh
zsh-git-prompt is a Z shell prompt script that displays rich Git repository information in your shell prompt, such as branch, ahead/behind status, staged changes, conflicts, and more. It enhances developer productivity in version-controlled workflows. There is now a Haskell implementation as well, which can be four to six times faster than the Python one. The reason is not that Haskell is faster in itself (although it is), but that this implementation calls git only once. You may redefine... -
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sha3sum and then some
sha3sum - A demonstration of the Keccak permutation.
Hash mode interface to the Keccak code package. This program illustrates the use of the Keccak permutation. Usage is much more than a hash function. The NIST compatible settings are subject to change when they publish FIPS PUB 180-5. I wrote this program when evaluating the permutation and developing tree hashing for the Intel(R) MIC architecture. -
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libhash
Thread safe hash library
...If you have special needs you can substitute your on hash calculation function for the built in one. There is also a library call that allows you to judge the efficiency of your hash function. The library has complete HTML documentation. And several tests of the library can be run with "make check". -
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The MOTET Cipher & SE Scrambler
A tiny, fast encryption tool in C
MOTET is a tiny, fast super-encipherment application written in C, featuring the new CSPRNG/stream ciphers MOTE and BEDBUG in each of their three variants, as well as the "gold standard" among ciphers, ISAAC. MOTET brings multiple levels of encryption, including a ciphertext-hash, a Vigenere mixing function, a choice of Caesar MOD or Caesar MIX ciphering on the primary key-stream, plus a deeply scrambled "outer shell" as a final super-encryption stage. A unique nonce IV guarantees that each ciphertext will differ radically from every other, even on the same message and identical key. -
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SHA-512 class
SHA-512. The popular crypto hash function.
(language C++.) This is an implementation of the popular SHA-512 hash function. Written in a convenient class form for speedy deployment. The digest is stored in an array of 8 unsigned "long long" integers within the class. For convenient retrieval of the digest, use member function `GetDigest()` The following four member functions are set public for developers who want to deploy this class. -
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Azrar
Encryption addressing long-term data secrecy
...To achieve long-term data secrecy, Azrar differs from other approaches in terms of not to rely on effective computational deficiencies. It combines a one-time pad with a stream cipher method using the strong cryptographic hash function (family) Skein. Azrar fulfills business requirements for secure data transfer and supports several operating systems natively. It does not use a runtime environment. -
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Skein hash function implementation in c++. Skein-512 simple hash with pad working. Skein-Mac-512 with pad working. Skein-Hmac-512(the key and the input must have 512bit width). Input from files:message.txt,key.txt. Just put message in message.txt and key in key.txt(for skein-mac and skein-hmac).
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Detailed Presentation of the GROESTL hash function, finalist to the SHA-3 competition organized by the NIST to decide which cryptographic hash algorithm will replace the famous SHA-2.I analyze and present the candidate algorithm I bet on since the beginning of the competition.
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FactHash
Factorial Hashing Function
My first attempt at a one-way hashing class/algoritm, built as a python class. It produces variable length hash from a message block of the size you want. The resulting hash will be ~2x the message block in size, and should provide for at least as many bits of security as the block itself. I updated this, with a different hash than original, since I found a potential collision on some blocks, not but specific to that challenge. To further correct this, I modified the padding when it's... -
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MD5-utils is a script for MD5 hash function manipulations. It can crypt one or more word(s) and try to crack one or more hash(es) using online servers.
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A Cryptography php module very easy to use, could be used to protect databases, files, ad hash codes in every server that support php. Nowdays the most used hash algoritms are weak and there are many huge database with the hash code and the relative pass
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SubDownloader is an automatic tool to find the subtitles of any video file. It uses a special hash function to identify the videofile and search them into a online server which gives the subtitles.
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yafic is Yet Another File Integrity Checker, similar to Tripwire. yafic, however, is fast, simple, and yet flexible. Config files are similar to Tripwire's, even supporting flag templates. It uses SHA-1 as its hash function.
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Provides efficient, effective implementations of 32- and 64-bit hash functions based on Rabin fingerprints / irreducible polynomials, in Java. Also provides integration with java.security.MessageDigest API.