/*
* YGH 5
* @signature* 需要释放的结构体
* @pk_algorithm 外部传入参数,看协议中signature的定义
*/
static void signature_free(signature* signature, pk_algorithm algorithm ){
switch(algorithm){
case ECDSA_NISTP224_WITH_SHA224:
case ECDSA_NISTP256_WITH_SHA256:
ecdsa_signature_free(&signature->u.ecdsa_signature);
break;
default:
ARRAY_FREE(&signature->u.signature);
}
}
void test_sign2(void){
bigint_word_t d_w[sizeof(ecdsa_test_2_d)];
uint8_t rnd[sizeof(ecdsa_test_2_k)];
uint8_t *hash;
bigint_t d;
const hfdesc_t *hash_desc;
ecc_combi_point_t q;
ecdsa_signature_t sign;
ecdsa_ctx_t ctx;
uint8_t r;
putchar('\n');
d.wordv = d_w;
memcpy_P(rnd, ecdsa_test_2_k, sizeof(ecdsa_test_2_k));
memcpy_P(d_w, ecdsa_test_2_d, sizeof(ecdsa_test_2_d) * sizeof(bigint_word_t));
d.length_W = sizeof(ecdsa_test_2_d) / sizeof(bigint_word_t);
d.info = 0;
bigint_adjust(&d);
hash_desc = &sha224_desc; //hash_select();
hash = malloc(hfal_hash_getHashsize(hash_desc) / 8);
if(hash == NULL){
printf_P(PSTR("DBG: XXX <%S %s %d>\n"), PSTR(__FILE__), __func__, __LINE__);
}
hash_mem_P(hash_desc, hash, ecdsa_test_2_msg, sizeof(ecdsa_test_1_msg) * 8);
printf_P(PSTR("msg hash: "));
cli_hexdump(hash, hfal_hash_getHashsize(hash_desc) / 8);
putchar('\n');
ecc_chudnovsky_point_alloc(&q.chudnovsky, nist_curve_p192_p.length_W * sizeof(bigint_word_t));
ctx.basepoint = &nist_curve_p192_basepoint.chudnovsky;
ctx.priv = &d;
ctx.curve = &nist_curve_p192;
printf("\n d: ");
bigint_print_hex(&d);
printf_P(PSTR("\n Gx: "));
bigint_print_hex(&nist_curve_p192_basepoint.affine.x);
printf_P(PSTR("\n Gy: "));
bigint_print_hex(&nist_curve_p192_basepoint.affine.y);
r = ecc_chudnovsky_multiplication(&q.chudnovsky, &d, &nist_curve_p192_basepoint.chudnovsky, &nist_curve_p192);
if(r){
printf_P(PSTR("ERROR: ecc_chudnovsky_multiplication() returned: %"PRIu8"\n"), r);
}
r = ecc_chudnovsky_to_affine_point(&q.affine, &q.chudnovsky, &nist_curve_p192);
if(r){
printf_P(PSTR("ERROR: ecc_chudnovsky_to_affine_point() returned: %"PRIu8"\n"), r);
}
printf_P(PSTR("\n Qx: "));
bigint_print_hex(&q.affine.x);
printf_P(PSTR("\n Qy: "));
bigint_print_hex(&q.affine.y);
putchar('\n');
ctx.pub = &q.affine;
ecdsa_signature_alloc(&sign, sizeof(ecdsa_test_2_d) * sizeof(bigint_word_t));
r = ecdsa_sign_hash(&sign, hash, hfal_hash_getHashsize(hash_desc) / 8, &ctx, rnd);
if(r){
printf_P(PSTR("ERROR: ecdsa_sign_message() returned: %"PRIu8"\n"), r);
}
printf_P(PSTR(" r: "));
bigint_print_hex(&sign.r);
printf_P(PSTR("\n s: "));
bigint_print_hex(&sign.s);
free(hash);
ecdsa_signature_free(&sign);
ecc_chudnovsky_point_free(&q.chudnovsky);
}