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https://github.com/debris/tiny-keccak
An implementation of Keccak derived functions specified in FIPS-202, SP800-185 and KangarooTwelve
https://github.com/debris/tiny-keccak
cryptography cshake fips-202 kangarootwelve keccak kmac parallelhash rust sha3 shake tuplehash
Last synced: about 21 hours ago
JSON representation
An implementation of Keccak derived functions specified in FIPS-202, SP800-185 and KangarooTwelve
- Host: GitHub
- URL: https://github.com/debris/tiny-keccak
- Owner: debris
- License: cc0-1.0
- Created: 2015-11-27T10:07:47.000Z (about 9 years ago)
- Default Branch: master
- Last Pushed: 2024-06-10T04:04:53.000Z (6 months ago)
- Last Synced: 2024-10-29T16:57:19.125Z (about 1 month ago)
- Topics: cryptography, cshake, fips-202, kangarootwelve, keccak, kmac, parallelhash, rust, sha3, shake, tuplehash
- Language: Rust
- Homepage:
- Size: 153 KB
- Stars: 194
- Watchers: 9
- Forks: 50
- Open Issues: 7
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
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- awesome-ccamel - debris/tiny-keccak - An implementation of Keccak derived functions specified in FIPS-202, SP800-185 and KangarooTwelve (Rust)
- fucking-awesome-rust - debris/tiny-keccak - Keccak family (SHA3) (Libraries / Cryptography)
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README
# tiny-keccak
An implementation of Keccak derived functions specified in [`FIPS-202`], [`SP800-185`] and [`KangarooTwelve`].
[![Build Status][travis-image]][travis-url]
[travis-image]: https://travis-ci.org/debris/tiny-keccak.svg?branch=master
[travis-url]: https://travis-ci.org/debris/tiny-keccak
[`FIPS-202`]: https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.202.pdf
[`SP800-185`]: https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-185.pdf
[`KangarooTwelve`]: https://eprint.iacr.org/2016/770.pdf
[`Documentation`](https://docs.rs/tiny-keccak)
The `Keccak-f[1600]` permutation is fully unrolled; it's nearly as fast
as the Keccak team's optimized permutation.
## Usage
In your `Cargo.toml` specify what features (hash functions, you are intending to use).
Available options are: `cshake`, `fips202`, `k12`, `keccak`, `kmac`, `parallel_hash`, `sha3`,
`shake`, `sp800`, `tuple_hash`.
```toml
[dependencies]
tiny-keccak = { version = "2.0", features = ["sha3"] }
```
## Example
```rust
use tiny_keccak::Sha3;
fn main() {
let mut sha3 = Sha3::v256();
let mut output = [0u8; 32];
let expected = b"\
\x64\x4b\xcc\x7e\x56\x43\x73\x04\x09\x99\xaa\xc8\x9e\x76\x22\xf3\
\xca\x71\xfb\xa1\xd9\x72\xfd\x94\xa3\x1c\x3b\xfb\xf2\x4e\x39\x38\
";
sha3.update(b"hello");
sha3.update(b" ");
sha3.update(b"world");
sha3.finalize(&mut output);
assert_eq!(expected, &output);
}
```
## Benchmarks
Benchmarked with [rust-crypto](https://github.com/RustCrypto) sha3 on:
```
MacBook Pro (Retina, 15-inch, Mid 2015)
2,5 GHz Intel Core i7
16 GB 1600 MHz DDR3
Intel Iris Pro 1536 MB
```
Benchmark code is available [here](https://github.com/debris/tiny-keccak/blob/master/comparison/benches/sha3.rs)
```
running 4 tests
test rust_crypto_sha3_256_input_32_bytes ... bench: 677 ns/iter (+/- 113) = 47 MB/s
test rust_crypto_sha3_256_input_4096_bytes ... bench: 17,619 ns/iter (+/- 4,174) = 232 MB/s
test tiny_keccak_sha3_256_input_32_bytes ... bench: 569 ns/iter (+/- 204) = 56 MB/s
test tiny_keccak_sha3_256_input_4096_bytes ... bench: 17,185 ns/iter (+/- 4,575) = 238 MB/s
```