happy-cracking 0.3.0

A fast, comprehensive CTF toolkit for cryptographic encoding/decoding, classic ciphers, hash operations, and analysis tools
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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73

use happy_cracking::crypto::base85;

#[test]
fn encode_empty_string() {
    assert_eq!(base85::encode(""), "");
}

#[test]
fn encode_hello() {
    assert_eq!(base85::encode("Hello"), "87cURDZ");
}

#[test]
fn encode_four_zeros() {
    assert_eq!(base85::encode("\0\0\0\0"), "z");
}

#[test]
fn encode_single_char() {
    assert_eq!(base85::encode("a"), "@/");
}

#[test]
fn encode_two_chars() {
    assert_eq!(base85::encode("ab"), "@:B");
}

#[test]
fn encode_three_chars() {
    assert_eq!(base85::encode("abc"), "@:E^");
}

#[test]
fn encode_four_chars() {
    assert_eq!(base85::encode("abcd"), "@:E_W");
}

#[test]
fn decode_empty_string() {
    assert_eq!(base85::decode("").unwrap(), "");
}

#[test]
fn decode_hello() {
    assert_eq!(base85::decode("87cURDZ").unwrap(), "Hello");
}

#[test]
fn decode_z_shortcut() {
    assert_eq!(base85::decode("z").unwrap(), "\0\0\0\0");
}

#[test]
fn roundtrip() {
    let original = "flag{base85_encoding}";
    let encoded = base85::encode(original);
    let decoded = base85::decode(&encoded).unwrap();
    assert_eq!(decoded, original);
}

#[test]
fn roundtrip_various_lengths() {
    for s in ["a", "ab", "abc", "abcd", "abcde", "Hello, World!"] {
        let encoded = base85::encode(s);
        let decoded = base85::decode(&encoded).unwrap();
        assert_eq!(decoded, s);
    }
}

#[test]
fn decode_invalid_char() {
    assert!(base85::decode("{").is_err());
}