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Themis is an open-source high-level cryptographic services library for mobile and server platforms, which provides secure data exchange and storage.
- What is Themis: a bird's eye view of Themis.
- Going deeper: an in-depth look at the architecture and construction of Themis.
- Soter: core crypto library: the underlying cryptographic primitive layer in Themis.
- On cryptographic donors: making sure our solutions are based only on high-quality verified code through utilising the existing open-source cipher implementations.
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Cryptosystems: what they are and how they create Themis Objects (a general explanation).
- Secure Message: asymmetric encryption for data transfer.
- Secure Session: asymmetric encryption based on ephemeral keys.
- Secure Cell: container for symmetric/storage encryption.
- Secure Comparator: Zero Knowledge Protocol (ZKP) implementation (comparing shared secret, without revealing it to potentially dishonest party).
- Installing and Building: detailed instructions on how to install Themis from package managers (Installing) or from Docker or sources (Building).
- Notes on using Themis.
- Language references: Android/Java, Swift, Objective-C, Python, PHP, Ruby, C++, Go, NodeJS, Rust, WebAssembly-Howto.
- Command line utilities: for local testing of Secure Cell and Secure Message.
- Migration Guide (v.0.9.6 to v.0.10.0.
- Advice on key management: something you may find useful.
- Using Themis Server: a brief introduction to Themis Server — an interactive debugging environment for Themis.
- FAQ: Frequently Asked Questions.
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Contributing to Themis: how to contribute to Themis.
- Contact us: our contacts and links.
- Development status: (an incomplete list of) things we're working on.
- Development quickstart: what you need to know to extend Themis.
- Directory structure: what is where.
- Leaving OpenSSL: what's wrong with OpenSSL and why we'd like to leave it.
- Advanced features: notes on introducing advanced and experimental features to Themis.