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      1 /* "Test Case AUTH256-4" from RFC 4868 */
      2 
      3 #define TEST_NAME "auth2"
      4 #include "cmptest.h"
      5 
      6 static unsigned char key[32] = {
      7     0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
      8     0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
      9     0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20
     10 };
     11 
     12 static unsigned char c[50] = { 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
     13                                0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
     14                                0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
     15                                0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
     16                                0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
     17                                0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
     18                                0xcd, 0xcd };
     19 
     20 static unsigned char a[32];
     21 
     22 int
     23 main(void)
     24 {
     25     int i;
     26 
     27     crypto_auth_hmacsha256(a, c, sizeof c, key);
     28     for (i = 0; i < 32; ++i) {
     29         printf(",0x%02x", (unsigned int) a[i]);
     30         if (i % 8 == 7)
     31             printf("\n");
     32     }
     33     return 0;
     34 }
     35