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Valet lets you securely store data in the iOS, tvOS, watchOS, or macOS Keychain without knowing a thing about how the Keychain works. It’s easy. We promise.

CCCryptor (AES encryption) wrappers for iOS and Mac in Swift. -- For ObjC, see RNCryptor/RNCryptor-objc

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

Open source Android, iOS and Web app for learning about and managing digital and physical security. From how to send a secure message to dealing with a kidnap. Umbrella has best practice guides in over 40 topics in multiple languages. Used daily by people working in high risk countries - journalists, activists, diplomats, business travelers etc.

  • opensource
  • security
  • risk
  • human-rights-defenders

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