tiny-bip39 0.7.0

A fork of the bip39 crate with fixes to v0.6. Rust implementation of BIP-0039
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53

extern crate bip39;

use bip39::{Language, Mnemonic, MnemonicType, Seed};

fn test_word_count(expected_word_count: usize) {
    let mnemonic_type = MnemonicType::for_word_count(expected_word_count).unwrap();

    let mnemonic = Mnemonic::new(mnemonic_type, Language::English);
    let actual_word_count = mnemonic.phrase().split(" ").count();

    assert_eq!(actual_word_count, expected_word_count);
    assert_eq!(mnemonic_type.word_count(), expected_word_count);

    let seed = Seed::new(&mnemonic, "");
    let seed_bytes: &[u8] = seed.as_bytes();

    assert!(seed_bytes.len() == 64);
}

#[test]
fn generate_12_english() {
    test_word_count(12);
}

#[test]
fn generate_15_english() {
    test_word_count(15);
}

#[test]
fn generate_18_english() {
    test_word_count(18);
}

#[test]
fn generate_21_english() {
    test_word_count(21);
}

#[test]
fn generate_24_english() {
    test_word_count(24);
}

#[test]
fn generate_from_invalid_entropy() {
    // 15 bytes
    let entropy = &[
        0x33, 0xE4, 0x6B, 0xB1, 0x3A, 0x74, 0x6E, 0xA4, 0x1C, 0xDD, 0xE4, 0x5C, 0x90, 0x84, 0x6A,
    ];

    assert!(Mnemonic::from_entropy(entropy, Language::English).is_err());
}