Fix CDoc 1 OID usage (open-eid#1242)

IB-7935

Signed-off-by: Raul Metsma <[email protected]>

client/Crypto.cpp

@@ -24,6 +24,9 @@
 #include <QtNetwork/QSslKey>
 
 #include <openssl/aes.h>
+#if OPENSSL_VERSION_NUMBER >= 0x30000000L
+#include <openssl/core_names.h>
+#endif
 #include <openssl/ec.h>
 #include <openssl/err.h>
 #include <openssl/evp.h>
@@ -163,9 +166,24 @@ QByteArray Crypto::concatKDF(QCryptographicHash::Algorithm hashAlg, quint32 keyD
 
 QByteArray Crypto::curve_oid(EVP_PKEY *key)
 {
-	ASN1_OBJECT *obj = OBJ_nid2obj(EC_GROUP_get_curve_name(EC_KEY_get0_group(EVP_PKEY_get0_EC_KEY(key))));
 	QByteArray buf(50, 0);
-	buf.resize(int(OBJ_obj2txt(buf.data(), buf.size(), obj, 0)));
+#if OPENSSL_VERSION_NUMBER < 0x30000000L
+	int nid = EC_GROUP_get_curve_name(EC_KEY_get0_group(EVP_PKEY_get0_EC_KEY(key)));
+#else
+	std::array<char, 64> group{};
+	size_t size = group.size();
+	if(EVP_PKEY_get_utf8_string_param(key, OSSL_PKEY_PARAM_GROUP_NAME, group.data(), group.size(), &size) != 1)
+	{
+		buf.clear();
+		return buf;
+	}
+	int nid = OBJ_sn2nid(group.data());
+#endif
+	ASN1_OBJECT *obj = OBJ_nid2obj(nid);
+	if(int size = OBJ_obj2txt(buf.data(), buf.size(), obj, 1); size != NID_undef)
+		buf.resize(size);
+	else
+		buf.clear();
 	return buf;
 }