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/* BEGIN_HEADER */
#include "mbedtls/poly1305.h"
#include <stddef.h>
/* END_HEADER */
/* BEGIN_DEPENDENCIES
* depends_on:MBEDTLS_POLY1305_C
* END_DEPENDENCIES
*/
/* BEGIN_CASE */
void mbedtls_poly1305(data_t *key, data_t *expected_mac, data_t *src_str)
{
unsigned char mac[16]; /* size set by the standard */
mbedtls_poly1305_context ctx;
memset(mac, 0x00, sizeof(mac));
/*
* Test the integrated API
*/
TEST_ASSERT(mbedtls_poly1305_mac(key->x, src_str->x,
src_str->len, mac) == 0);
TEST_MEMORY_COMPARE(mac, expected_mac->len,
expected_mac->x, expected_mac->len);
/*
* Test the streaming API
*/
mbedtls_poly1305_init(&ctx);
TEST_ASSERT(mbedtls_poly1305_starts(&ctx, key->x) == 0);
TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x, src_str->len) == 0);
TEST_ASSERT(mbedtls_poly1305_finish(&ctx, mac) == 0);
TEST_MEMORY_COMPARE(mac, expected_mac->len,
expected_mac->x, expected_mac->len);
/*
* Test the streaming API again, piecewise
*/
/* Don't free/init the context, in order to test that starts() does the
* right thing. */
if (src_str->len >= 1) {
TEST_ASSERT(mbedtls_poly1305_starts(&ctx, key->x) == 0);
TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x, 1) == 0);
TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x + 1, src_str->len - 1) == 0);
TEST_ASSERT(mbedtls_poly1305_finish(&ctx, mac) == 0);
TEST_MEMORY_COMPARE(mac, expected_mac->len,
expected_mac->x, expected_mac->len);
}
/*
* Again with more pieces
*/
if (src_str->len >= 2) {
TEST_ASSERT(mbedtls_poly1305_starts(&ctx, key->x) == 0);
TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x, 1) == 0);
TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x + 1, 1) == 0);
TEST_ASSERT(mbedtls_poly1305_update(&ctx, src_str->x + 2, src_str->len - 2) == 0);
TEST_ASSERT(mbedtls_poly1305_finish(&ctx, mac) == 0);
TEST_MEMORY_COMPARE(mac, expected_mac->len,
expected_mac->x, expected_mac->len);
}
mbedtls_poly1305_free(&ctx);
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void poly1305_selftest()
{
TEST_ASSERT(mbedtls_poly1305_self_test(1) == 0);
}
/* END_CASE */
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