tests/suites/test_suite_tinycrypt.function

/* BEGIN_HEADER */

#include "tinycrypt/ecc.h"
#include "tinycrypt/ecc_dh.h"
#include "tinycrypt/ecc_dsa.h"

/* END_HEADER */

/* BEGIN_DEPENDENCIES
 * depends_on:MBEDTLS_USE_TINYCRYPT
 * END_DEPENDENCIES
 */

/* BEGIN_CASE depends_on:MBEDTLS_USE_TINYCRYPT */
void test_ecdh()
{
    uint8_t private1[NUM_ECC_BYTES] = {0};
    uint8_t private2[NUM_ECC_BYTES] = {0};
    uint8_t public1[2*NUM_ECC_BYTES] = {0};
    uint8_t public2[2*NUM_ECC_BYTES] = {0};
    uint8_t secret1[NUM_ECC_BYTES] = {0};
    uint8_t secret2[NUM_ECC_BYTES] = {0};

    const struct uECC_Curve_t * curve = uECC_secp256r1();

    TEST_ASSERT( uECC_make_key( public1, private1, curve ) != 0 );
    TEST_ASSERT( uECC_make_key( public2, private2, curve ) != 0 );

    TEST_ASSERT( uECC_shared_secret( public2, private1, secret1, curve ) != 0 );

    TEST_ASSERT( uECC_shared_secret( public1, private2, secret2, curve ) != 0 );

    TEST_ASSERT( memcmp( secret1, secret2, sizeof( secret1 ) ) == 0 );
}
/* END_CASE */