NSign (/ˈensaɪn/) is a set of .Net libraries for HTTP Message Signatures (RFC 9421).
eXtended signatures
Lightweight PHP library for cryptographically signed tokens with expiration. Stateless authentication without external dependencies
Hometree is a library for building homomorphic merkle trees for fast cryptographic signing and integrity checking of components in a finite set.
cryptographic signatures directly from your keyboard
File Fingerprinting
This repository implements the Lamport-Diffie One-Time Signature (OTS) scheme, a cryptographic protocol that enables secure, one-time signing of messages. Using SHA-256 hashing, the system generates a unique signature for each bit of a message, ensuring that each signature can only be used once.
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