stream.c

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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 }

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FreeBSD/Linux Kernel Cross Reference sys/contrib/libsodium/test/default/stream.c

FreeBSD/Linux Kernel Cross Reference
sys/contrib/libsodium/test/default/stream.c