libsodium/test/default/auth.c

#define TEST_NAME "auth"
#include "cmptest.h"

/* "Test Case 2" from RFC 4231 */
unsigned char key[32] = "Jefe";
unsigned char c[] = "what do ya want for nothing?";

unsigned char a[32];

int main(void)
{
    int i;

    crypto_auth(a, c, sizeof c - 1U, key);
    for (i = 0; i < 32; ++i) {
        printf(",0x%02x", (unsigned int)a[i]);
        if (i % 8 == 7)
            printf("\n");
    }

    assert(crypto_auth_bytes() > 0U);
    assert(crypto_auth_keybytes() > 0U);
    assert(strcmp(crypto_auth_primitive(), "hmacsha512256") == 0);
    assert(crypto_auth_hmacsha256_bytes() > 0U);
    assert(crypto_auth_hmacsha256_keybytes() > 0U);
    assert(crypto_auth_hmacsha512_bytes() > 0U);
    assert(crypto_auth_hmacsha512_keybytes() > 0U);
    assert(crypto_auth_hmacsha512256_bytes() == crypto_auth_bytes());
    assert(crypto_auth_hmacsha512256_keybytes() == crypto_auth_keybytes());

    return 0;
}