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.
File Fingerprinting
cryptographic signatures directly from your keyboard
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