seedtool-cli 0.4.0

A command-line tool for generating and transforming cryptographic seeds.
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use anyhow::Result;

use super::{Format, InputFormat, OutputFormat};
use crate::{
    cli::Cli,
    random::deterministic_random,
    seed::Seed,
    util::{data_to_ints, parse_ints},
};

pub struct IntsFormat;

impl Format for IntsFormat {
    fn name(&self) -> &str { "ints" }

    fn round_trippable(&self) -> bool { false }
}

impl InputFormat for IntsFormat {
    fn process_input(&self, mut state: Cli) -> Result<Cli> {
        let string = state.expect_input()?;
        let entropy = parse_ints(&string)?;
        state.seed =
            Some(Seed::new(deterministic_random(&entropy, state.count)));
        Ok(state)
    }
}

impl OutputFormat for IntsFormat {
    fn process_output(&self, state: Cli) -> Result<String> {
        data_to_ints(state.expect_seed().data(), state.low, state.high, " ")
    }
}