Add RABE crypto library (#643)

README.md

@@ -761,6 +761,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 * [libOctavo/octavo](https://github.com/libOctavo/octavo) — Modular hash and crypto library in Rust [<img src="https://api.travis-ci.org/libOctavo/octavo.svg?branch=master">](https://travis-ci.org/libOctavo/octavo)
 * [RustCrypto/hashes](https://github.com/RustCrypto/hashes) — Collection of cryptographic hash functions written in pure Rust [<img src="https://api.travis-ci.org/RustCrypto/hashes.svg?branch=master">](https://travis-ci.org/RustCrypto/hashes)
 * [rustindia/mpw-rs](https://github.com/rustindia/mpw-rs) — Pure Rust implementation of the Master Password password manager [<img src="https://api.travis-ci.org/rustindia/mpw-rs.svg?branch=master">](https://travis-ci.org/rustindia/mpw-rs)
+* [Fraunhofer-AISEC/rabe](https://github.com/Fraunhofer-AISEC/rabe) — Library providing several Attribute-Based Encryption (ABE) schemes
 * [racum/rust-djangohashers](https://github.com/racum/rust-djangohashers) — A Rust port of the password primitives used in the Django Project. It doesn't require Django, only hashes and validates passwords according to its style. [<img src="https://api.travis-ci.org/Racum/rust-djangohashers.svg?branch=master">](https://travis-ci.org/Racum/rust-djangohashers)
 * [RNCryptor/rncryptor-rs](https://github.com/RNCryptor/rncryptor-rs) — Pure Rust implementation of the RNCryptor AES file format
 * [conradkdotcom/rooster](https://github.com/conradkdotcom/rooster) [[rooster](https://crates.io/crates/rooster)] — Simple password manager to use in your terminal