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cpetrich /counterfeit_DS18B20

Star635

How to tell original from fake DS18B20 temperature sensors.

reverse-engineering fake ds18b20 authenticity integrated-circuits counterfeit onewire-slaves

UpdatedNov 30, 2024
C++

Hardware-based attestation / intrusion detection app for Android devices. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

android security cryptography monitoring integrity hsm secure-boot authenticity attestation verifiedboot remote-attestation secureboot strongbox grapheneos

UpdatedMar 22, 2025
Java

maandree /sha3sum

Star175

[Feature complete] SHA-3 and Keccak checksum utility

security utility checksum shake integrity keccak sha3 rawshake authenticity sha3sum cryptographic-hash

UpdatedOct 6, 2024
C

GrapheneOS /AttestationServer

Star113

attestation.app remote attestation server. Server code for use with the Auditor app:https://github.com/GrapheneOS/Auditor. It provides two services: submission of attestation data samples and a remote attestation implementation with email alerts to go along with the local implementation based on QR code scanning in the app.

android security cryptography monitoring integrity hsm secure-boot authenticity attestation verifiedboot remote-attestation secureboot strongbox grapheneos

UpdatedMar 20, 2025
Java

maandree /libkeccak

Star60

[Basically feature complete] Keccak-family hashing library

security checksum shake integrity keccak confidentiality sha3 c-library rawshake authenticity cryptographic-hash cryptographic-primitive

UpdatedOct 6, 2024
C

numbersprotocol /pyc2pa

Star37

Python implementation of C2PA: Coalition for Content Provenance and Authenticity.

provenance fake-news authenticity cai disinformation c2pa content-provenance content-authenticity

UpdatedJun 22, 2022
Python

GrapheneOS-Archive /AttestationSamples

Star34

A small subset of the submitted sample data fromhttps://github.com/GrapheneOS/Auditor. It has a sample attestation certificate chain per device model (ro.product.model) along with a subset of the system properties from the sample as supplementary information.

android security cryptography integrity hsm secure-boot authenticity attestation verifiedboot remote-attestation secureboot strongbox

UpdatedJul 28, 2022
Shell

OriginalMy /originalmy-dapp-addresses

Star10

Public addresses for OriginalMy Dapps and smart-contracts (ETC/ETH)

signing ethereum blockchain signature classic ethereum-classic authenticity addresses ethereum-address ethereum-blockchain originalmy

UpdatedFeb 10, 2020
JavaScript

GrapheneOS /platform_external_Auditor

Star9

Auditor app prebuilt using the latest official release of the Auditor app.

android security cryptography monitoring integrity hsm secure-boot authenticity attestation verifiedboot remote-attestation secureboot strongbox grapheneos

UpdatedMar 21, 2025

contextfund /verificationgpt

Star4

VerificationGPT (www.verificationgpt.org)

science verification gpt hypothesis authenticity

UpdatedMar 27, 2024
Python

bitcoin-ring /nfc-check

Star4

Web application for NFC device authenticity check

bitcoin provenance nfc authenticity supplychain genuine boltcard boltring

UpdatedApr 6, 2023
Python

guental /sigchk

Star4

Verify GOG Setup Integrity/Authenticity

games offline zip certificates verification md5 sha2 installers integrity sha1 sh checksums authenticity bin checking gog exe digital-signatures setups bin-warn-missing

UpdatedNov 1, 2021
Shell

mavenor /sealdir

Sponsor

Star4

A C++ library & CLI tool 🛠 to seal the state of a directory 📦🔒 (think checksums, but for a directory)

hashing library validation checksum verification hash intrusion-detection sha256 merkle-tree libgcrypt authenticity security-tools

UpdatedNov 7, 2023
C++

maandree /blakesum

Star2

Checksum utilities for the BLAKE-family of hashing functions

security checksum integrity blake2b blake2 blake2xb authenticity cryptographic-hash blake2s blake b2sum bsum blake2xs blakesum blake2sum blake1

UpdatedOct 6, 2024
C

jiaweing /verify.supply.tf

Star2

A blockchain-based verification system for tracking and verifying product authenticity and ownership. Used in SUPPLY: THE FUTURE apparel.

verify blockchain authenticity

UpdatedMar 19, 2025
TypeScript

scoredetect /timestamps

Star2

Timestamp your WordPress content into the blockchain to empower your content authenticity and increase user trust.

wordpress wordpress-plugin content protection ai blockchain proof timestamp copyright authenticity timestamps timestamping copyright-protection content-authenticity

UpdatedMar 21, 2025
PHP

maandree /libsha2

Star2

[Feature complete] SHA-2-family hashing library

security checksum sha2 sha-256 sha-384 sha-512 hmac integrity c-library authenticity cryptographic-hash cryptographic-primitive sha-224

UpdatedOct 6, 2024
C

Atuoha /prodAssure

Star2

Flutter App for authenticating the validity of a purchased product through scanning the code it was assigned to by the manufacturer who uploaded the product. Making use of Provider and Firebase for persisting and fetching data

dart firebase intl providers flutter authenticity modernui