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25–48 of 77 · Most stars

Free open-source web software for signing PDF (alone or with others) and also organize pages, edit metadata and compress pdf

  • pdf
  • signature
  • pdf-sign
  • pdf-signature

ObjectivePGP is an open-source library for iOS and macOS that provides developers with tools for implementing OpenPGP encryption and decryption, digital signing, and signature verification in their applications, thereby enhancing security and data integrity.

Software licensing and registration using digital signatures and public cryptography 🪪

  • licensing
  • software-licensing
  • software-license
  • security

Elliptic curve cryptography functions: Private Key, Public Key, Signature, AES, Encryption, Decryption

An iOS PDF viewer and annotator written in Swift that can be embedded into any application.

  • swift
  • pdf-reader
  • pdf
  • annotator

Simple no frills AWS S3 Golang Library using REST with V4 Signing (without AWS Go SDK)

  • aws-s3
  • aws
  • golang
  • aws-signature-v4

Runtime type checking for JS with Hindley Milner signatures

  • hindley-milner
  • type-checking
  • functional-programming
  • invariant

Swift cryptography library for Bitcoin and Nostr. ECDSA, Schnorr, ECDH, and zero-knowledge proofs on secp256k1. Apple platforms and Linux.

  • taproot
  • secp256k1
  • swift
  • schnorr

Python implementation of the Packed Executable iDentifier (PEiD)

  • peid
  • peid-signature
  • pe-file
  • pe-files

RSA public/private key encryption, private key signing and public key verification in Swift using the Swift Package Manager. Works on iOS, macOS, and Linux (work in progress).

  • swift
  • rsa-cryptography
  • rsa-signature
  • macos

Powerful and versatile MIME sniffing package using pre-compiled glob patterns, magic number signatures, XML document namespaces, and tree magic for mounted volumes, generated from the XDG shared-mime-info database.

  • mime
  • mime-types
  • mime-database
  • filetype