> For the complete documentation index, see [llms.txt](https://docs.nulink.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nulink.org/cryptographic-primitives.md).

# Cryptographic Primitives

- [Proxy Re-encryption](https://docs.nulink.org/cryptographic-primitives/pre.md)
- [Identity-Based Encryption & Attribute-Based Encryption](https://docs.nulink.org/cryptographic-primitives/ibe_abe.md)
- [Zero-Knowledge Proof](https://docs.nulink.org/cryptographic-primitives/zkp.md)
- [Fully Homomorphic Encryption](https://docs.nulink.org/cryptographic-primitives/fhe.md)