soft-aes 0.2.2

A Rust-based software library for AES.
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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169

use super::super::aes_cmac::*;
use hex::decode as hex_decode;

#[test]
fn test_subkey_generation() {
    let key = hex_decode("2b7e151628aed2a6abf7158809cf4f3c").unwrap();
    let (k1, k2) = generate_subkey(&key).unwrap();

    assert_eq!(
        k1.to_vec(),
        hex_decode("fbeed618357133667c85e08f7236a8de").unwrap()
    );
    assert_eq!(
        k2.to_vec(),
        hex_decode("f7ddac306ae266ccf90bc11ee46d513b").unwrap()
    );
}

#[test]
fn test_aes_cmac_128_example1() {
    let key = hex_decode("2b7e151628aed2a6abf7158809cf4f3c").unwrap();
    let message = b"";
    let mac = aes_cmac(message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("bb1d6929e95937287fa37d129b756746").unwrap()
    );
}

#[test]
fn test_aes_cmac_128_example2() {
    let key = hex_decode("2b7e151628aed2a6abf7158809cf4f3c").unwrap();
    let message = hex_decode("6bc1bee22e409f96e93d7e117393172a").unwrap();
    let mac = aes_cmac(&message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("070a16b46b4d4144f79bdd9dd04a287c").unwrap()
    );
}

#[test]
fn test_aes_cmac_128_example3() {
    let key = hex_decode("2b7e151628aed2a6abf7158809cf4f3c").unwrap();
    let message = hex_decode(
        "6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411",
    )
    .unwrap();
    let mac = aes_cmac(&message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("dfa66747de9ae63030ca32611497c827").unwrap()
    );
}

#[test]
fn test_aes_cmac_128_example4() {
    let key = hex_decode("2b7e151628aed2a6abf7158809cf4f3c").unwrap();
    let message = hex_decode("6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411e5fbc1191a0a52eff69f2445df4f9b17ad2b417be66c3710").unwrap();
    let mac = aes_cmac(&message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("51f0bebf7e3b9d92fc49741779363cfe").unwrap()
    );
}

#[test]
fn test_aes_cmac_192_example1() {
    let key = hex_decode("8E73B0F7DA0E6452C810F32B809079E562F8EAD2522C6B7B").unwrap();
    let message = b"";
    let mac = aes_cmac(message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("D17DDF46ADAACDE531CAC483DE7A9367").unwrap()
    );
}

#[test]
fn test_aes_cmac_192_example2() {
    let key = hex_decode("8E73B0F7DA0E6452C810F32B809079E562F8EAD2522C6B7B").unwrap();
    let message = hex_decode("6BC1BEE22E409F96E93D7E117393172A").unwrap();
    let mac = aes_cmac(&message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("9E99A7BF31E710900662F65E617C5184").unwrap()
    );
}

#[test]
fn test_aes_cmac_192_example3() {
    let key = hex_decode("8E73B0F7DA0E6452C810F32B809079E562F8EAD2522C6B7B").unwrap();
    let message = hex_decode("6BC1BEE22E409F96E93D7E117393172AAE2D8A57").unwrap();
    let mac = aes_cmac(&message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("3D75C194ED96070444A9FA7EC740ECF8").unwrap()
    );
}

#[test]
fn test_aes_cmac_256_example1() {
    let key =
        hex_decode("603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4").unwrap();
    let message = b"";
    let mac = aes_cmac(message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("028962F61B7BF89EFC6B551F4667D983").unwrap()
    );
}

#[test]
fn test_aes_cmac_256_example2() {
    let key =
        hex_decode("603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4").unwrap();
    let message = hex_decode("6BC1BEE22E409F96E93D7E117393172A").unwrap();
    let mac = aes_cmac(&message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("28A7023F452E8F82BD4BF28D8C37C35C").unwrap()
    );
}

#[test]
fn test_aes_cmac_256_example3() {
    let key =
        hex_decode("603DEB1015CA71BE2B73AEF0857D77811F352C073B6108D72D9810A30914DFF4").unwrap();
    let message = hex_decode("6BC1BEE22E409F96E93D7E117393172AAE2D8A57").unwrap();
    let mac = aes_cmac(&message, &key).unwrap();

    assert_eq!(
        mac.to_vec(),
        hex_decode("156727DC0878944A023C1FE03BAD6D93").unwrap()
    );
}

#[test]
fn test_subkey_generation_invalid_key_length() {
    let key = hex_decode("2b7e151628aed2a6").unwrap(); // Shorter key (8 bytes)
    let result = generate_subkey(&key);

    match result {
        Err(e) => assert_eq!(
            e.to_string(),
            "AES CORE ERROR: Invalid key length. Expected 16, 24, or 32 bytes, got 8 bytes",
            "Subkey generation should fail with a specific error for a key of incorrect length."
        ),
        Ok(_) => panic!("Subkey generation should fail for a key of incorrect length."),
    }
}

#[test]
fn test_aes_cmac_invalid_key_length() {
    let key = hex_decode("2b7e151628aed2a6").unwrap(); // Shorter key (8 bytes)
    let message = b"Example message";
    let result = aes_cmac(message, &key);
    assert!(
        matches!(result, Err(e) if e.to_string() == "AES CORE ERROR: Invalid key length. Expected 16, 24, or 32 bytes, got 8 bytes"),
        "AES-CMAC computation should fail with a specific error for a key of incorrect length."
    );
}