libsodium/test/default/onetimeauth.c

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

static unsigned char rs[32]
    = { 0xee, 0xa6, 0xa7, 0x25, 0x1c, 0x1e, 0x72, 0x91, 0x6d, 0x11, 0xc2,
        0xcb, 0x21, 0x4d, 0x3c, 0x25, 0x25, 0x39, 0x12, 0x1d, 0x8e, 0x23,
        0x4e, 0x65, 0x2d, 0x65, 0x1f, 0xa4, 0xc8, 0xcf, 0xf8, 0x80 };

static unsigned char c[131]
    = { 0x8e, 0x99, 0x3b, 0x9f, 0x48, 0x68, 0x12, 0x73, 0xc2, 0x96, 0x50, 0xba,
        0x32, 0xfc, 0x76, 0xce, 0x48, 0x33, 0x2e, 0xa7, 0x16, 0x4d, 0x96, 0xa4,
        0x47, 0x6f, 0xb8, 0xc5, 0x31, 0xa1, 0x18, 0x6a, 0xc0, 0xdf, 0xc1, 0x7c,
        0x98, 0xdc, 0xe8, 0x7b, 0x4d, 0xa7, 0xf0, 0x11, 0xec, 0x48, 0xc9, 0x72,
        0x71, 0xd2, 0xc2, 0x0f, 0x9b, 0x92, 0x8f, 0xe2, 0x27, 0x0d, 0x6f, 0xb8,
        0x63, 0xd5, 0x17, 0x38, 0xb4, 0x8e, 0xee, 0xe3, 0x14, 0xa7, 0xcc, 0x8a,
        0xb9, 0x32, 0x16, 0x45, 0x48, 0xe5, 0x26, 0xae, 0x90, 0x22, 0x43, 0x68,
        0x51, 0x7a, 0xcf, 0xea, 0xbd, 0x6b, 0xb3, 0x73, 0x2b, 0xc0, 0xe9, 0xda,
        0x99, 0x83, 0x2b, 0x61, 0xca, 0x01, 0xb6, 0xde, 0x56, 0x24, 0x4a, 0x9e,
        0x88, 0xd5, 0xf9, 0xb3, 0x79, 0x73, 0xf6, 0x22, 0xa4, 0x3d, 0x14, 0xa6,
        0x59, 0x9b, 0x1f, 0x65, 0x4c, 0xb4, 0x5a, 0x74, 0xe3, 0x55, 0xa5 };

static unsigned char a[16];

int main(void)
{
    crypto_onetimeauth_state st;
    int i;

    assert(crypto_onetimeauth_statebytes() == sizeof st);
    crypto_onetimeauth(a, c, 131, rs);
    for (i = 0; i < 16; ++i) {
        printf(",0x%02x", (unsigned int)a[i]);
        if (i % 8 == 7)
            printf("\n");
    }

    memset(a, 0, sizeof a);
    crypto_onetimeauth_init(&st, rs);
    crypto_onetimeauth_update(&st, c, 100);
    crypto_onetimeauth_update(&st, c + 100, 31);
    crypto_onetimeauth_final(&st, a);
    for (i = 0; i < 16; ++i) {
        printf(",0x%02x", (unsigned int)a[i]);
        if (i % 8 == 7)
            printf("\n");
    }

    assert(crypto_onetimeauth_bytes() > 0U);
    assert(crypto_onetimeauth_keybytes() > 0U);
    assert(strcmp(crypto_onetimeauth_primitive(), "poly1305") == 0);
    assert(crypto_onetimeauth_poly1305_bytes() == crypto_onetimeauth_bytes());
    assert(crypto_onetimeauth_poly1305_keybytes()
           == crypto_onetimeauth_keybytes());

    return 0;
}