xref: /freebsd/sys/contrib/libsodium/test/default/core6.c (revision e0c4386e7e71d93b0edc0c8fa156263fc4a8b0b6)
1 
2 #define TEST_NAME "core6"
3 #include "cmptest.h"
4 
5 static unsigned char k[32] = { 0xee, 0x30, 0x4f, 0xca, 0x27, 0x00, 0x8d, 0x8c,
6                                0x12, 0x6f, 0x90, 0x02, 0x79, 0x01, 0xd8, 0x0f,
7                                0x7f, 0x1d, 0x8b, 0x8d, 0xc9, 0x36, 0xcf, 0x3b,
8                                0x9f, 0x81, 0x96, 0x92, 0x82, 0x7e, 0x57, 0x77 };
9 
10 static unsigned char in[16] = {
11     0x81, 0x91, 0x8e, 0xf2, 0xa5, 0xe0, 0xda, 0x9b,
12     0x3e, 0x90, 0x60, 0x52, 0x1e, 0x4b, 0xb3, 0x52
13 };
14 
15 static unsigned char c[16] = { 101, 120, 112, 97,  110, 100, 32, 51,
16                                50,  45,  98,  121, 116, 101, 32, 107 };
17 
18 static unsigned char out[64];
19 
20 static void
21 print(unsigned char *x, unsigned char *y)
22 {
23     int          i;
24     unsigned int borrow = 0;
25 
26     for (i = 0; i < 4; ++i) {
27         unsigned int xi = x[i];
28         unsigned int yi = y[i];
29         printf(",0x%02x", 255 & (xi - yi - borrow));
30         borrow = (xi < yi + borrow);
31     }
32 }
33 
34 int
35 main(void)
36 {
37     crypto_core_salsa20(out, in, k, c);
38     print(out, c);
39     print(out + 20, c + 4);
40     printf("\n");
41     print(out + 40, c + 8);
42     print(out + 60, c + 12);
43     printf("\n");
44     print(out + 24, in);
45     print(out + 28, in + 4);
46     printf("\n");
47     print(out + 32, in + 8);
48     print(out + 36, in + 12);
49     printf("\n");
50 
51     return 0;
52 }
53