AEGIS for Rust

This is a Rust implementation of the AEGIS authenticated cipher, ported from the Zig standard library.

AEGIS is extremely fast on CPUs with AES acceleration, has a large nonce size, and is key committing.

Cargo flags

• std: allow dynamic allocations
• aes_crate: use the aes crate, which works on all platforms
• aesni: use an optimized implementation for x86 CPUs with AES extensions

std, aes_crate is the default.

In order to get decent code on x86 CPUs, you may want to set additional rustc flags prior to compiling that crate or a project using it:

export RUSTFLAGS="-Ctarget-feature=+aes,+sse4.1"

A benchmark can be run that way:

export RUSTFLAGS="-C target-cpu=native Ctarget-feature=+aes,+sse4.1"
cargo bench --no-default-features --features=std,aesni