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IN NO EVENT +SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. diff --git a/aead-stream/README.md b/aead-stream/README.md new file mode 100644 index 00000000..e1e7822e --- /dev/null +++ b/aead-stream/README.md @@ -0,0 +1,67 @@ +# RustCrypto: AEAD-STREAM + +[![crate][crate-image]][crate-link] +[![Docs][docs-image]][docs-link] +![Apache2/MIT licensed][license-image] +![Rust Version][rustc-image] +[![Project Chat][chat-image]][chat-link] +[![Build Status][build-image]][build-link] + +Generic pure-Rust implementation of the STREAM online authenticated encryption construction +as described in the paper [Online Authenticated-Encryption and its Nonce-Reuse Misuse-Resistance][1]. + +## About + +The STREAM construction supports encrypting/decrypting sequences of AEAD +message segments, which is useful in cases where the overall message is too +large to fit in a single buffer and needs to be processed incrementally. + +STREAM defends against reordering and truncation attacks which are common +in naive schemes which attempt to provide these properties, and is proven +to meet the security definition of "nonce-based online authenticated +encryption" (nOAE) as given in the aforementioned paper. + +## Diagram + +![STREAM Diagram](https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/img/AEADs/rogaway-stream.svg) + +Legend: + +- 𝐄k: AEAD encryption under key `k` +- 𝐌: message +- 𝐍: nonce +- 𝐀: additional associated data +- 𝐂: ciphertext +- 𝜏: MAC tag + +## License + +Licensed under either of: + + * [Apache License, Version 2.0](http://www.apache.org/licenses/LICENSE-2.0) + * [MIT license](http://opensource.org/licenses/MIT) + +at your option. + +### Contribution + +Unless you explicitly state otherwise, any contribution intentionally submitted +for inclusion in the work by you, as defined in the Apache-2.0 license, shall be +dual licensed as above, without any additional terms or conditions. + +[//]: # (badges) + +[crate-image]: https://img.shields.io/crates/v/aead-stream +[crate-link]: https://crates.io/crates/aead-stream +[docs-image]: https://docs.rs/aead-stream/badge.svg +[docs-link]: https://docs.rs/aead-stream/ +[license-image]: https://img.shields.io/badge/license-Apache2.0/MIT-blue.svg +[rustc-image]: https://img.shields.io/badge/rustc-1.65+-blue.svg +[chat-image]: https://img.shields.io/badge/zulip-join_chat-blue.svg +[chat-link]: https://rustcrypto.zulipchat.com/#narrow/stream/260038-AEADs +[build-image]: https://github.com/RustCrypto/AEADs/workflows/aead-stream/badge.svg?branch=master&event=push +[build-link]: https://github.com/RustCrypto/AEADs/actions + +[//]: # (general links) + +[1]: https://eprint.iacr.org/2015/189.pdf diff --git a/aead-stream/src/lib.rs b/aead-stream/src/lib.rs index 5cbc4113..7b5d5215 100644 --- a/aead-stream/src/lib.rs +++ b/aead-stream/src/lib.rs @@ -1,36 +1,5 @@ -//! Streaming AEAD support. -//! -//! Implementation of the STREAM online authenticated encryption construction -//! as described in the paper [Online Authenticated-Encryption and its Nonce-Reuse -//! Misuse-Resistance][1]. -//! -//! ## About -//! -//! The STREAM construction supports encrypting/decrypting sequences of AEAD -//! message segments, which is useful in cases where the overall message is too -//! large to fit in a single buffer and needs to be processed incrementally. -//! -//! STREAM defends against reordering and truncation attacks which are common -//! in naive schemes which attempt to provide these properties, and is proven -//! to meet the security definition of "nonce-based online authenticated -//! encryption" (nOAE) as given in the aforementioned paper. -//! -//! ## Diagram -//! -//! ![STREAM Diagram](https://raw.githubusercontent.com/RustCrypto/media/8f1a9894/img/AEADs/rogaway-stream.svg) -//! -//! Legend: -//! -//! - 𝐄k: AEAD encryption under key `k` -//! - 𝐌: message -//! - 𝐍: nonce -//! - 𝐀: additional associated data -//! - 𝐂: ciphertext -//! - 𝜏: MAC tag -//! -//! [1]: https://eprint.iacr.org/2015/189.pdf - #![no_std] +#![doc = include_str!("../README.md")] #![allow(clippy::upper_case_acronyms)] #[cfg(feature = "alloc")]