A Swift interface to libsodium for safe and easy cryptographic operations on Apple platforms and Linux.
Swift-Sodium is a Swift framework that provides a safe and easy-to-use interface to the libsodium library for performing cryptographic operations. It enables developers to integrate encryption, decryption, signing, hashing, and other security features into their iOS, macOS, and Linux applications without dealing with low-level C APIs.
Swift developers building applications for Apple platforms (iOS, macOS, tvOS, watchOS) or Linux who need to implement cryptographic functionality such as encryption, authentication, or secure random number generation.
Developers choose Swift-Sodium because it offers a idiomatic Swift API that simplifies using libsodium's robust cryptography, reduces the risk of common security pitfalls, and includes precompiled binaries for easy integration without system dependencies.
Safe and easy to use crypto for iOS and macOS
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Includes precompiled libsodium libraries for all Apple architectures (armv7, arm64, simulator) and Linux, eliminating system dependencies and simplifying Xcode setup as noted in the README.
Offers a wide range of operations like authenticated encryption, public-key signatures, password hashing, and IP address encryption through a single Swift API, reducing the need for multiple libraries.
Abstracts low-level libsodium complexities to minimize common cryptographic misuse, emphasizing safe defaults and helper functions like constant-time comparison and memory zeroing.
Works seamlessly on macOS, iOS, tvOS, watchOS, and Linux, making it versatile for both client and server-side Swift projects, as highlighted in the usage examples.
Tightly coupled to libsodium's release cycle and algorithm choices; updates or security fixes in libsodium require corresponding updates in Swift-Sodium, potentially causing breaking changes.
Precompiled libraries for multiple architectures increase app size, which can be problematic for mobile applications with strict size limits, despite the convenience.
Low-level helpers for custom constructions (e.g., unauthenticated encryption) are provided but require expert knowledge to avoid security pitfalls, as warned in the README.