PT_SPAWN(&(ecdsa_sign_test.pt), &(state.pt), ecc_dsa_sign(&state));
time = RTIMER_NOW() - time;
printf("ecc_dsa_sign(), %lu ms\n",
(uint32_t)((uint64_t)time * 1000 / RTIMER_SECOND));
/*
* Check Result
*/
static uint32_t ecdsaTestresultR1[] = { 0xC3B4035F, 0x515AD0A6, 0xBF375DCA, 0x0CC1E997,
0x7F54FDCD, 0x04D3FECA, 0xB9E396B9, 0x515C3D6E };
static uint32_t ecdsaTestresultS1[] = { 0x5366B1AB, 0x0F1DBF46, 0xB0C8D3C4, 0xDB755B6F,
0xB9BF9243, 0xE644A8BE, 0x55159A59, 0x6F9E52A6 };
memcpy(comp_state.a, state.point_r.x, sizeof(uint32_t) * 8);
memcpy(comp_state.b, ecdsaTestresultR1, sizeof(uint32_t) * 8);
PT_SPAWN(&(ecdsa_sign_test.pt), &(comp_state.pt), ecc_compare(&comp_state));
if(comp_state.result) {
puts("r1 of signature does not match");
} else {
puts("r1 of signature OK");
}
memcpy(comp_state.a, state.signature_s, sizeof(uint32_t) * 8);
memcpy(comp_state.b, ecdsaTestresultS1, sizeof(uint32_t) * 8);
PT_SPAWN(&(ecdsa_sign_test.pt), &(comp_state.pt), ecc_compare(&comp_state));
if(comp_state.result) {
puts("s1 of signature does not match");
} else {
puts("s1 of signature OK");
}
PROCESS_THREAD(ecdh_test, ev, data) {
PROCESS_BEGIN();
/*
* Variable for Time Measurement
*/
static rtimer_clock_t time;
/*
* Activate Engine
*/
puts("-----------------------------------------\n"
"Initializing pka...");
pka_init();
/*
* Generate secrets make sure they are valid (smaller as order)
*/
static ecc_compare_state_t state = {
.process = &ecdh_test,
.size = 8,
};
memcpy(state.b, nist_p_256.n, sizeof(uint32_t) * 8);
static uint32_t secret_a[8];
do {
ecc_set_random(secret_a);
memcpy(state.a, secret_a, sizeof(uint32_t) * 8);
PT_SPAWN(&(ecdh_test.pt), &(state.pt), ecc_compare(&state));
} while(state.result != PKA_STATUS_A_LT_B);
static uint32_t secret_b[8];
ecc_set_random(secret_b);
do {
ecc_set_random(secret_b);
memcpy(state.a, secret_b, sizeof(uint32_t) * 8);
PT_SPAWN(&(ecdh_test.pt), &(state.pt), ecc_compare(&state));
} while(state.result != PKA_STATUS_A_LT_B);
/*
* Prepare Points
*/
static ecc_multiply_state_t side_a = {
.process = &ecdh_test,
.curve_info = &nist_p_256,
};
memcpy(side_a.point_in.x, nist_p_256.x, sizeof(uint32_t) * 8);
memcpy(side_a.point_in.y, nist_p_256.y, sizeof(uint32_t) * 8);
memcpy(side_a.secret, secret_a, sizeof(secret_a));
static ecc_multiply_state_t side_b = {
.process = &ecdh_test,
.curve_info = &nist_p_256,
};
memcpy(side_b.point_in.x, nist_p_256.x, sizeof(uint32_t) * 8);
memcpy(side_b.point_in.y, nist_p_256.y, sizeof(uint32_t) * 8);
memcpy(side_b.secret, secret_b, sizeof(secret_b));
/*
* Round 1
*/
time = RTIMER_NOW();
PT_SPAWN(&(ecdh_test.pt), &(side_a.pt), ecc_multiply(&side_a));
time = RTIMER_NOW() - time;
printf("Round 1, Side a: %i, %lu ms\n", (unsigned)side_a.result,
(uint32_t)((uint64_t)time * 1000 / RTIMER_SECOND));
time = RTIMER_NOW();
PT_SPAWN(&(ecdh_test.pt), &(side_b.pt), ecc_multiply(&side_b));
time = RTIMER_NOW() - time;
printf("Round 1, Side b: %i, %lu ms\n", (unsigned)side_b.result,
(uint32_t)((uint64_t)time * 1000 / RTIMER_SECOND));
/*
* Key Exchange
*/
memcpy(side_a.point_in.x, side_b.point_out.x, sizeof(uint32_t) * 8);
memcpy(side_a.point_in.y, side_b.point_out.y, sizeof(uint32_t) * 8);
memcpy(side_b.point_in.x, side_a.point_out.x, sizeof(uint32_t) * 8);
memcpy(side_b.point_in.y, side_a.point_out.y, sizeof(uint32_t) * 8);
/*
* Round 2
*/
time = RTIMER_NOW();
PT_SPAWN(&(ecdh_test.pt), &(side_a.pt), ecc_multiply(&side_a));
time = RTIMER_NOW() - time;
printf("Round 2, Side a: %i, %lu ms\n", (unsigned)side_a.result,
(uint32_t)((uint64_t)time * 1000 / RTIMER_SECOND));
time = RTIMER_NOW();
PT_SPAWN(&(ecdh_test.pt), &(side_b.pt), ecc_multiply(&side_b));
time = RTIMER_NOW() - time;
printf("Round 2, Side b: %i, %lu ms\n", (unsigned)side_b.result,
(uint32_t)((uint64_t)time * 1000 / RTIMER_SECOND));
/*
* Check Result
*/
memcpy(state.a, side_a.point_out.x, sizeof(uint32_t) * 8);
memcpy(state.b, side_b.point_out.x, sizeof(uint32_t) * 8);
PT_SPAWN(&(ecdh_test.pt), &(state.pt), ecc_compare(&state));
if(state.result) {
puts("shared secrets do not match");
} else {
puts("shared secrets MATCH");
}
puts("-----------------------------------------\n"
"Disabling pka...");
pka_disable();
puts("Done!");
PROCESS_END();
}
