codahale/metrics

A Java implementation of Shamir's Secret Sharing algorithm over GF(256).

279

shamir

A reasonably complete implementation of the Universal Scalability Law model.

208

usl4j

lunk provides a set of tools for structured logging in the style of Google's Dapper or Twitter's Zipkin

201

lunk

127

sss

A pure Go implementation of Shamir's Secret Sharing algorithm over GF(256)

103

http-handlers

Some handy HTTP handlers for Go.

ministat

A small tool to do the statistics legwork on benchmarks etc.

Shell

tinystat

A Go library and CLI tool for evaluating whether two or more sets of measurements are statistically different.

sketchy

A small set of useful probabilistic data structures.

[ABANDONED] A Scala library which provides a sane log output format and an easy-to-use mixin for adding logging to your code.

logula

A pure Go implementation of the ChaCha20 stream cipher.

chacha20

charlie

charlie provides a fast, safe, stateless mechanism for adding CSRF protection to web applications.

buster

A Go library which provides a re-usable framework for load-testing things.

fast-uuid

A fast random UUID generator.

A Go implementation of RFC 6979's deterministic DSA/ECDSA signature scheme.

rfc6979

blake2

A BLAKE2 wrapper for Go.

xsalsa20poly1305

A pure Java implementation of XSalsa20Poly1305 authenticated encryption.

A Java implementation of AES-GCM-SIV (RFC 8452).

aes-gcm-siv

[ABANDONED] A Scala library which adds support to native Scala types in Jersey applications.

jersey-scala

A Clojure wrapper for Guava caches.

guava-cache-clj

A Go library and CLI tool which simplifies calculation of Universal Scalability Law parameters given system measurements.

usl

horcrux

A pure Go implementation of security question style password recovery that preserves end-to-end cryptographic security.

soy-clj

An idiomatic Clojure wrapper for Google Closure templates.

[ABANDONED] A small Scala library for using JSON-based configuration files.

fig

Generates 27-character, time-ordered, k-sortable, URL-safe, globally unique identifiers.

time-id

A gRPC service which proxies requests to an HTTP server.

grpc-proxy

An implementation of the chacha20poly1305 AEAD construction.

chacha20poly1305

passpol

A Java library for validating passwords against NIST SP-800-63B requirements.

A Go implementation of a fast, tree-based Seekable Sequential Key Generator.

sskg

pcg.rs

A Rust implementation of the PCG PRNG.

Veil is an incredibly experimental hybrid cryptosystem for sending and receiving confidential, authentic multi-recipient messages which are indistinguishable from random noise by an attacker.

veil

[ABANDONED] New development on the Ruby bindings for the GNU Scientific Library

ruby-gsl

guild

[ABANDONED] Simple, fast actors for Scala.

A Rust implementation of the Xoroshiro128+ PRNG.

xoroshiro.rs

A Go library which determines the dominant colors in an image.

colorbot

yellhole

Where else you gonna scream?

A tool to rebase Docker images.

docker-rebase

A Rust library and CLI tool for evaluating whether two or more sets of measurements are statistically different.

veil-go

Stupid crypto tricks

nanostat

[ABANDONED] What makes Jersey fun.

shore

[ABANDONED] A Scala library which wraps Clojure's immutable, persistent collections.

yoink

A Go package which exposes health check results as expvars.

healthchecks

faster-builder

[ABANDONED] A drop-in replacement for Builder::XmlMarkup which uses libxml for speed and security.

See https://github.com/twitter/cassie for an actual, maintained version.

cassie

A Go library which provides simple, strong protection for cookies.

emacs.d

My Emacs configuration.

Emacs Lisp

safecookie

dotfiles

Shell

redact

A Go package which allows you to easily redact sensitive flag values to prevent them from being exposed as expvars or via debugging endpoints.

etm

A Go implementation of AES/CBC/HMAC-based AEAD constructions.

common-pom

A common Maven POM for my various bits of Java software.

aesnicheck

A Go library for checking AES-NI support.

kmssig

A Go utility and library to sign and verify files using AWS’s Key Management Service.

usl-rs

A Rust crate and CLI tool which simplifies calculation of Universal Scalability Law parameters given system measurements.

[ABANDONED] Your serialization format sucks.

reynolds

A Rust implementation of the Jump Consistent Hash algorithm.

jumphash

[ABANDONED] Scala wrappers for the Trove primitive collections.

trove-scala

[ABANDONED] Support libraries for writing Hadoop Streaming-compatible map/reduce tasks.

hadoop-streaming

Python

balloonhash

A Java implementation of the Balloon Hash algorithm.

[ABANDONED] A process execution library which doesn't suck.

ropen

veil-java

Stupid crypto tricks

[ABANDONED] A useful slap in the face with baconhand.

baconhand

[ABANDONED] Vector clocks in Scala

vlock

Lockstitch is an incremental, stateful cryptographic primitive for symmetric-key cryptographic operations (e.g. hashing, encryption, message authentication codes, and authenticated encryption) in complex protocols.

lockstitch

A simple mocking library for Clojure.

mocko

[ABANDONED] An append-only transaction log for Scala

wasp

A Go implementation of a keyed hash tree.

kht

hrw

A Go implementation of Highest Random Weight hashing.

spritz

A pure Go implementation of the Spritz stream cipher.

u2f-clj

A library for implementing FIDO U2F multi-factor authentication.

A Clojure library for TOTP multi-factor authentication.

totp-clj

A simple Go wrapper for libGeoIP.

geoip

gimli

A Java implementation of the Gimli cryptographic permutation and hash algorithm.

Shamir’s Secret Sharing for Rust

sss.rs

A bijective mapping for 64-bit integers.

longmapper

[ABANDONED] A simple wrapper around DataObjects.

simple_do

A Go implementation of the Makwa password hashing algorithm.

makwa-go

deyaml

Life’s too short to be a YAML farmer.

hs-shamir

A Haskell implementation of Shamir’s Secret Sharing Scheme over GF(256).

Haskell

jdbc-perf-wrapper

[ABANDONED] A JDBC performance tracking wrapper.

Hypothetical design of a zero-knowledge contact discovery system

zk-cds

tmpmysqld allows you to spin up temporary instances of mysqld in Go for testing purposes.

tmpmysqld

path_mapper

[ABANDONED] TOTALLY NOT EVEN CLOSE TO WORKING YET. An efficient URL-to-options mapper.

Python

areion

A Rust implementation of the Areion256 and Areion512 permutations.

testdb

grump

do not use this

sfearthquakes

@sfqearthquakes

[ABANDONED] A collection of view classes for the Voldemort key/value store which allow for the storage of sets of numbers.

voldemort-sets

[ABANDONED] A Merb plugin for using DataObjects::Simple (simple_do).

cpseg

merb_simple_do

yrgourd uses Lockstitch to establish mutually-authenticated, forward-secure, confidential, high-performance connections. Like a toy Wireguard.

yrgourd

aead-stream

High-performance, pure-Rust implementation of the Xoodoo-p permutation.

xoodoo-p

[ABANDONED] A Capistrano-based solution for deploying Java projects from Hudson.

hudson_deployer

[ABANDONED] A sample application for playing around with some ESI ideas I had.

gubbins

esi-blog

A puncturable PRF based on the RSA accumulator.

rsa_pprf

A high-throughput, low-latency, GCP-native, analytical event pipeline.

eventflow

100

kms-pass