1
2#define TEST_NAME "stream"
3#include "cmptest.h"
4
5static unsigned char firstkey[32] = { 0x1b, 0x27, 0x55, 0x64, 0x73, 0xe9, 0x85,
6                                      0xd4, 0x62, 0xcd, 0x51, 0x19, 0x7a, 0x9a,
7                                      0x46, 0xc7, 0x60, 0x09, 0x54, 0x9e, 0xac,
8                                      0x64, 0x74, 0xf2, 0x06, 0xc4, 0xee, 0x08,
9                                      0x44, 0xf6, 0x83, 0x89 };
10
11static unsigned char nonce[24] = { 0x69, 0x69, 0x6e, 0xe9, 0x55, 0xb6,
12                                   0x2b, 0x73, 0xcd, 0x62, 0xbd, 0xa8,
13                                   0x75, 0xfc, 0x73, 0xd6, 0x82, 0x19,
14                                   0xe0, 0x03, 0x6b, 0x7a, 0x0b, 0x37 };
15
16static unsigned char output[4194304];
17
18static unsigned char h[32];
19static char          hex[2 * 192 + 1];
20
21int
22main(void)
23{
24    int i;
25
26    randombytes_buf(output, sizeof output);
27    crypto_stream(output, sizeof output, nonce, firstkey);
28    crypto_hash_sha256(h, output, sizeof output);
29    sodium_bin2hex(hex, sizeof hex, h, sizeof h);
30    printf("%s\n", hex);
31
32    assert(sizeof output > 4000);
33
34    crypto_stream_xsalsa20_xor_ic(output, output, 4000, nonce, 0U, firstkey);
35    for (i = 0; i < 4000; i++) {
36        assert(output[i] == 0);
37    }
38    crypto_stream_xsalsa20_xor_ic(output, output, 4000, nonce, 1U, firstkey);
39    crypto_hash_sha256(h, output, sizeof output);
40    sodium_bin2hex(hex, sizeof hex, h, sizeof h);
41    printf("%s\n", hex);
42
43    for (i = 0; i < 64; i++) {
44        memset(output, i, 64);
45        crypto_stream(output, (int) (i & 0xff), nonce, firstkey);
46        sodium_bin2hex(hex, sizeof hex, output, 64);
47        printf("%s\n", hex);
48    }
49
50    memset(output, 0, 192);
51    crypto_stream_xsalsa20_xor_ic(output, output, 192, nonce,
52                                  (1ULL << 32) - 1ULL, firstkey);
53    sodium_bin2hex(hex, 192 * 2 + 1, output, 192);
54    printf("%s\n", hex);
55
56    assert(crypto_stream_keybytes() > 0U);
57    assert(crypto_stream_noncebytes() > 0U);
58    assert(crypto_stream_messagebytes_max() > 0U);
59    assert(strcmp(crypto_stream_primitive(), "xsalsa20") == 0);
60    assert(crypto_stream_keybytes() == crypto_stream_xsalsa20_keybytes());
61    assert(crypto_stream_noncebytes() == crypto_stream_xsalsa20_noncebytes());
62    assert(crypto_stream_messagebytes_max() == crypto_stream_xsalsa20_messagebytes_max());
63
64    return 0;
65}
66