Struct DynamicCodex 

pub struct DynamicCodex { /* private fields */ }

Per-vault randomized involution codex.

Construct with DynamicCodex::new; each call produces an independent random involution.

Implementations

impl DynamicCodex

pub fn new() -> Result<Self>

Construct a new dynamic codex with a fresh random involution.

Errors

Returns Error::Internal if the OS CSPRNG fails.

Examples

use key_vault::{Codex, DynamicCodex};

let codex = DynamicCodex::new().unwrap();
for byte in 0u8..=255 {
    assert_eq!(codex.decode(codex.encode(byte)), byte);
}

Trait Implementations

impl Codex for DynamicCodex

fn encode(&self, byte: u8) -> u8

Transform a byte on the way into storage.

fn decode(&self, byte: u8) -> u8

Transform a byte on the way out of storage.

impl Debug for DynamicCodex

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.