41     int p_bytes = 0;  in ossl_sm2_compute_z_digest()  local
102     p_bytes = BN_num_bytes(p);  in ossl_sm2_compute_z_digest()
103     buf = OPENSSL_zalloc(p_bytes);  in ossl_sm2_compute_z_digest()
109     if (BN_bn2binpad(a, buf, p_bytes) < 0  in ossl_sm2_compute_z_digest()
110             || !EVP_DigestUpdate(hash, buf, p_bytes)  in ossl_sm2_compute_z_digest()
111             || BN_bn2binpad(b, buf, p_bytes) < 0  in ossl_sm2_compute_z_digest()
112             || !EVP_DigestUpdate(hash, buf, p_bytes)  in ossl_sm2_compute_z_digest()
116             || BN_bn2binpad(xG, buf, p_bytes) < 0  in ossl_sm2_compute_z_digest()
117             || !EVP_DigestUpdate(hash, buf, p_bytes)  in ossl_sm2_compute_z_digest()
118             || BN_bn2binpad(yG, buf, p_bytes) < 0  in ossl_sm2_compute_z_digest()
119             || !EVP_DigestUpdate(hash, buf, p_bytes)  in ossl_sm2_compute_z_digest()
123             || BN_bn2binpad(xA, buf, p_bytes) < 0  in ossl_sm2_compute_z_digest()
124             || !EVP_DigestUpdate(hash, buf, p_bytes)  in ossl_sm2_compute_z_digest()
125             || BN_bn2binpad(yA, buf, p_bytes) < 0  in ossl_sm2_compute_z_digest()
126             || !EVP_DigestUpdate(hash, buf, p_bytes)  in ossl_sm2_compute_z_digest()