#lyra2-r-ev2 #lyra2-r-ev3 #lyra2-re

lyra2

Pure rust library in Lyra2, Lyra2RE, Lyra2REv2, Lyra2REv3

8 releases

0.2.7 Jun 30, 2024
0.2.6 Jan 18, 2022
0.2.4 May 12, 2021
0.2.2 Jan 2, 2021
0.1.0 Jan 17, 2020

39 downloads per month
Used in monacoin

MIT license

130KB
2.5K SLoC

lyra2

Rust

Description

Pure rust library in Lyra2, Lyra2RE, Lyra2REv2, Lyra2REv3.

The following golang libraries have been rewritten in Rust. https://github.com/bitgoin/lyra2rev2

Minimal rust version

1.71+

Example

extern crate lyra2;

fn main() {
    let base1 = "abc".as_bytes().to_vec();
    let base2 = base1.clone();
    let lyra2_result1 = lyra2::lyra2::lyra2(32, base1, base2, 1, 4, 4);
    println!("result: {:?}", lyra2_result1); 
    //result: [143, 99, 117, 139, 209, 120, 240, 20, 234, 63, 212, 223, 9, 255, 10, 97, 100, 109, 197, 116, 160, 182, 188, 242, 137, 14, 197, 41, 166, 167, 54, 12]
}
extern crate lyra2;

fn main() {
    let base = "脇山珠美ちゃんかわいい!".as_bytes().to_vec();
    let lyra2rev2_result = lyra2::lyra2rev2::sum(base);
    assert_eq!(
        "bdaaa569c4f4918da66b02f2d0a2093a51e3d1735ee6023e9a93185c7bff40bc",
        lyra2rev2_result
            .iter()
            .map(|n| format!("{:02x}", n))
            .collect::<String>()
    );
}
extern crate lyra2;

fn main() {
    let base3 = parse_hex("700000005d385ba114d079971b29a9418fd0549e7d68a95c7f168621a314201000000000578586d149fd07b22f3a8a347c516de7052f034d2b76ff68e0d6ecff9b77a45489e3fd511732011df0731000");
    let lyra2rev3_result1 = lyra2::lyra2rev3::sum(base3);
    println!("result: {:?}", lyra2rev3_result1.iter()
            .map(|n| format!("{:02x}", n))
            .collect::<String>());
            //result: "5d7b298258e78881c7831ba1e46751b089efdf1fdb9eb01edd03b8d7ed39eafb"
}

// from code https://tutorialmore.com/questions-23721.htm
fn parse_hex(hex_asm: &str) -> Vec<u8> {
    let hex_chars: Vec<char> = hex_asm.as_bytes().iter().filter_map(|b| {
        let ch = char::from(*b);
        if ('0' <= ch && ch <= '9') || ('a' <= ch && ch <= 'f') || ('A' <= ch && ch <= 'F') {
            Some(ch)
        } else {
            None
        }
    }).collect();
    let mut index = 0usize;
    let (odd_chars, even_chars): (Vec<char>, Vec<char>) = hex_chars.into_iter().partition(|_| { 
        index = index + 1;
        index % 2 == 1
    });
    odd_chars.into_iter().zip(even_chars.into_iter()).map(|(c0, c1)| {
        fn hexchar2int(ch: char) -> u8 {
            if '0' <= ch && ch <= '9' {
                ch as u8 - '0' as u8
            } else {
                0xa + 
                if 'a' <= ch && ch <= 'f' {
                    ch as u8 - 'a' as u8
                } else if 'A' <= ch && ch <= 'F' {
                    ch as u8 - 'A' as u8
                } else {
                    unreachable!()
                }
            }
        }
        hexchar2int(c0) * 0x10 + hexchar2int(c1)            
    }).collect::<Vec<u8>>()
}

Installation

In order to use this crate, you have to add it under [dependencies] to your Cargo.toml

[dependencies]
lyra2 = "0.2.7"

License

All crates licensed under either of

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.

Dependencies

~3MB
~42K SLoC