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RSA public/private key generation, RSA, AES encryption/decryption, RSA sign/verify in Swift with CommonCrypto in iOS and OS X

  • ios
  • crypt
  • swift
  • rsa

Use your phone's Face ID or fingerprint to approve sudo and unlock your Mac. QR pairing, encrypted BLE, Secure Enclave signing — keys never leave your phone. Works with iPhone, Android, Apple Watch, Wear OS, or any browser. No $199 Magic Keyboard needed.

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

  • taproot
  • secp256k1
  • swift
  • schnorr

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

macOS menu-bar app for fine-grained VPN routing: bypass the VPN for chosen domains/services, force others through it, or (Custom mode) route each domain/subnet out a specific egress — direct, a specific VPN, an HTTP/SOCKS5 proxy, or a Tailscale peer. Includes a vpnb CLI.