Salsa20.salsa20WordToByte

1 __gshared immutable immutable(char)[][] test_keys = [
2     "80000000000000000000000000000000", 
3     "0053a6f94c9ff24598eb3e91e4378add",
4     "00002000000000000000000000000000"~
5     "00000000000000000000000000000000",
6     "0f62b5085bae0154a7fa4da0f34699ec"~
7     "3f92e5388bde3184d72a7dd02376c91c"
8 
9 ];
10 
11 __gshared immutable immutable(char)[][] test_ivs = [
12     "0000000000000000",            
13     "0d74db42a91077de",
14     "0000000000000000",
15     "288ff65dc42b92f9"
16 ];
17 
18 __gshared immutable immutable(char)[][] test_plaintexts = [
19     "00000000000000000000000000000000"~
20     "00000000000000000000000000000000"~
21     "00000000000000000000000000000000"~
22     "00000000000000000000000000000000",
23 
24     "00000000000000000000000000000000"~
25     "00000000000000000000000000000000"~
26     "00000000000000000000000000000000"~
27     "00000000000000000000000000000000",
28 
29     "00000000000000000000000000000000"~
30     "00000000000000000000000000000000"~
31     "00000000000000000000000000000000"~
32     "00000000000000000000000000000000",
33 
34     "00000000000000000000000000000000"~
35     "00000000000000000000000000000000"~
36     "00000000000000000000000000000000"~
37     "00000000000000000000000000000000"
38 
39 
40 ];
41 
42 __gshared immutable immutable(char)[][] test_ciphertexts = [
43     "4dfa5e481da23ea09a31022050859936"~ // Expected output
44     "da52fcee218005164f267cb65f5cfd7f"~
45     "2b4f97e0ff16924a52df269515110a07"~
46     "f9e460bc65ef95da58f740b7d1dbb0aa",
47 
48     "05e1e7beb697d999656bf37c1b978806"~
49     "735d0b903a6007bd329927efbe1b0e2a"~
50     "8137c1ae291493aa83a821755bee0b06"~
51     "cd14855a67e46703ebf8f3114b584cba",
52 
53     "c29ba0da9ebebfacdebbdd1d16e5f598"~
54     "7e1cb12e9083d437eaaaa4ba0cdc909e"~
55     "53d052ac387d86acda8d956ba9e6f654"~
56     "3065f6912a7df710b4b57f27809bafe3",
57 
58     "5e5e71f90199340304abb22a37b6625b"~
59     "f883fb89ce3b21f54a10b81066ef87da"~
60     "30b77699aa7379da595c77dd59542da2"~
61     "08e5954f89e40eb7aa80a84a6176663f"
62 ];
63 
64 Salsa20 s20 = new Salsa20();
65 ubyte[] buffer = new ubyte[64];
66 char[] result;
67 for (int i = 0; i < test_keys.length; i++)
68 {
69     auto key = ByteConverter.hexDecode(test_keys[i]);
70     auto params = ByteConverter.hexDecode(test_ivs[i]);
71 
72     // Encryption
73     s20.init(true, key, params);
74     s20.update(ByteConverter.hexDecode(test_plaintexts[i]), buffer);
75     result = ByteConverter.hexEncode(buffer);
76     assert(result == test_ciphertexts[i],
77             s20.name()~": ("~result~") != ("~test_ciphertexts[i]~")");           
78 
79     // Decryption
80     s20.init(false, key, params);
81     s20.update(ByteConverter.hexDecode(test_ciphertexts[i]), buffer);
82     result = ByteConverter.hexEncode(buffer);
83     assert(result == test_plaintexts[i],
84             s20.name()~": ("~result~") != ("~test_plaintexts[i]~")");
85 }