GMSSL中SM2签名与Openssl无法互通得问题 about gmssl

[wsstot]

贴一下主要的代码，有没有大佬能指导一下

group = EC_GROUP_new_by_curve_name(NID_sm2p256v1);
if (ID.isEmpty()) {
idLen = 0;
ecKey = new_ec_key(group, priKey.toLocal8Bit().data(), NULL, NULL);
}
else {
if (pubKeyX.isEmpty() || pubKeyY.isEmpty()) {
mesg.critical(this, "错误", "公钥输入错误，请重新输入！", nullptr, nullptr);
goto END;
}
IDBin = OPENSSL_hexstr2buf(ID.toLocal8Bit().data(), &idLen);
ecKey = new_ec_key(group, priKey.toLocal8Bit().data(), pubKeyX.toLocal8Bit().data(), pubKeyY.toLocal8Bit().data());
}
if (ecKey == NULL) {
ulErr = getLastErr(szErrMsg);
qDebug() << szErrMsg;
mesg.critical(this, "错误", "输入参数错误，请重新输入！", nullptr, nullptr);
goto END;
}

if (!sm2_sig(ecKey,
    IDBin, idLen,
    inDataBin, inDataBinLen,
    sigData, (int*)&sigDataLen)) {
    ulErr = getLastErr(szErrMsg);
    qDebug() << szErrMsg;
    mesg.critical(this, "错误", "SM2签名错误！", nullptr, nullptr);
    goto END;
}

/******************************************************/
EC_KEY MainWindow::new_ec_key(const EC_GROUP group,
const char sk, const char xP, const char yP)
{
int ok = 0;
EC_KEY ec_key = NULL;
BIGNUM d = NULL;
BIGNUM x = NULL;
BIGNUM y = NULL;

char *prikey = NULL;

if (group == NULL) {
    goto end;
}

if (!(ec_key = EC_KEY_new())) {
    goto end;
}
if (!EC_KEY_set_group(ec_key, group)) {
    goto end;
}

if (sk) {
    if (!BN_hex2bn(&d, sk)) {
        goto end;
    }
    if (!EC_KEY_set_private_key(ec_key, d)) {
        goto end;
    }
}

if (xP && yP) {
    if (!BN_hex2bn(&x, xP)) {
        goto end;
    }
    if (!BN_hex2bn(&y, yP)) {
        goto end;
    }
    if (!EC_KEY_set_public_key_affine_coordinates(ec_key, x, y)) {
        goto end;
    }
}

ok = 1;

end:
if (d) BN_free(d);
if (x) BN_free(x);
if (y) BN_free(y);
if (!ok && ec_key) {
ERR_print_errors_fp(stderr);
EC_KEY_free(ec_key);
ec_key = NULL;
}
return ec_key;
}

/***************************************************/
int MainWindow::sm2_sig(EC_KEY key,
unsigned char id, int id_len,
unsigned char in_data, int in_len,
unsigned char out_data, int out_len)
{
const EVP_MD id_md = EVP_sm3();
const EVP_MD msg_md = EVP_sm3();
unsigned char dgst[128] = { 0 };
size_t dgstlen = 128;
ECDSA_SIG sm2sig = NULL;
const BIGNUM sig_r;
const BIGNUM sig_s;

unsigned char* s_r = NULL;
unsigned char* s_s = NULL;

if (id_len != 0) {
    if (!SM2_compute_message_digest(id_md, msg_md,
        (const unsigned char*)in_data, in_len,
        (const char*)id, id_len,
        dgst, &dgstlen, key)) {
        ulErr = getLastErr(szErrMsg);
        qDebug() << szErrMsg;
        return 0;
    }
}
else {
    memcpy(dgst, in_data, in_len);
    dgstlen = in_len;
}

/* sign */
sm2sig = SM2_do_sign_ex(dgst, (int)dgstlen, NULL, NULL, key);
if (sm2sig == NULL) {
    ulErr = getLastErr(szErrMsg);
    qDebug() << szErrMsg;
    return 0;
}

ECDSA_SIG_get0(sm2sig, &sig_r, &sig_s);
s_r = (unsigned char*)BN_bn2hex(sig_r);
s_s = (unsigned char*)BN_bn2hex(sig_s);

memcpy(out_data, s_r, 64);
memcpy(out_data + 64, s_s, 64);
*out_len = 128;
return 1;

}
/************************************************/

[lpilp]

格式不同，

memcpy(out_data, s_r, 64);
memcpy(out_data + 64, s_s, 64);

你看你的， 这个是 r+s的， gmssl 是asn1(r,s)