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      1 
      2 #define TEST_NAME "stream"
      3 #include "cmptest.h"
      4 
      5 static 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 
     11 static 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 
     16 static unsigned char output[4194304];
     17 
     18 static unsigned char h[32];
     19 static char          hex[2 * 192 + 1];
     20 
     21 int
     22 main(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