[rpms/xca] rawhide: Patch "openssl4" for openssl version 4 compatibility.

[rpms/xca] rawhide: Patch "openssl4" for openssl version 4 compatibility.

[Patrick Monnerat]

            A new commit has been pushed.

            Repo   : rpms/xca
            Branch : rawhide
            Commit : 8d5e70b6721098a741f2a3c2d20b5c75160a925f
            Author : Patrick Monnerat <patrick@monnerat.net>
            Date   : 2026-07-22T21:14:47+02:00
            Stats  : +534/-12 in 2 file(s)
            URL    : https://src.fedoraproject.org/rpms/xca/c/8d5e70b6721098a741f2a3c2d20b5c75160a925f?branch=rawhide

            Log:
            Patch "openssl4" for openssl version 4 compatibility.

Remove BR openssl-devel-engine for Fedora > 44.
Perform tests.

---
diff --git a/xca-2.9.0-openssl4.patch b/xca-2.9.0-openssl4.patch
new file mode 100644
index 0000000..85d3eca
--- /dev/null
+++ b/xca-2.9.0-openssl4.patch
@@ -0,0 +1,504 @@
+diff -Naurp xca-2.9.0.orig/lib/asn1int.cpp xca-2.9.0.new/lib/asn1int.cpp
+--- xca-2.9.0.orig/lib/asn1int.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/asn1int.cpp	2026-07-21 14:50:45.138768332 +0200
+@@ -10,6 +10,7 @@
+ #include "func_base.h"
+ #include "exception.h"
+ #include "limits.h"
++#include "openssl_compat.h"
+ #include <openssl/err.h>
+ #include <openssl/bn.h>
+ 
+@@ -67,7 +68,7 @@ a1int &a1int::set(long l)
+ QString a1int::toQString(int dec) const
+ {
+ 	QString r;
+-	if (in->length == 0) {
++	if (xca_asn1_string_length(in.get()) == 0) {
+ 		return r;
+ 	}
+ 	QSharedPointer<BIGNUM> bn(ASN1_INTEGER_to_BN(get0(), NULL), BN_free);
+diff -Naurp xca-2.9.0.orig/lib/asn1time.cpp xca-2.9.0.new/lib/asn1time.cpp
+--- xca-2.9.0.orig/lib/asn1time.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/asn1time.cpp	2026-07-21 15:48:01.479132516 +0200
+@@ -11,6 +11,7 @@
+ #include "func.h"
+ #include "exception.h"
+ #include "asn1time.h"
++#include "openssl_compat.h"
+ #include <openssl/x509.h>
+ #include <openssl/err.h>
+ #include <openssl/opensslv.h>
+@@ -50,7 +51,8 @@ int a1time::from_asn1(const ASN1_TIME *a
+ 	gt = ASN1_TIME_to_generalizedtime((ASN1_TIME*)a, NULL);
+ 	if (!gt)
+ 		return -1;
+-	t = QString::fromLatin1((char*)gt->data, gt->length);
++	t = QString::fromLatin1((char*)xca_asn1_string_get0_data(gt),
++                            xca_asn1_string_length(gt));
+ 	ASN1_GENERALIZEDTIME_free(gt);
+ 	return fromPlain(t);
+ }
+@@ -68,11 +70,15 @@ int a1time::fromPlain(const QString &pla
+ 
+ int a1time::set_asn1(const QString &str, int type) const
+ {
+-	if (!atime)
+-		atime = ASN1_TIME_new();
+-	if (!atime)
+-		return -1;
+-	atime->type = type;
++	if (atime && xca_asn1_string_type(atime) != type) {
++		ASN1_STRING_free(atime);
++		atime = NULL;
++    }
++	if (!atime) {
++		atime = ASN1_STRING_type_new(type);
++		if (!atime)
++			return -1;
++    }
+ 	if (ASN1_STRING_set(atime, str.toLatin1(), str.length()))
+ 		return -1;
+ 	return 0;
+diff -Naurp xca-2.9.0.orig/lib/openssl_compat.h xca-2.9.0.new/lib/openssl_compat.h
+--- xca-2.9.0.orig/lib/openssl_compat.h	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/openssl_compat.h	2026-07-21 16:05:30.252809689 +0200
+@@ -35,4 +35,15 @@ EVP_DigestVerify(EVP_MD_CTX *ctx, const
+ }
+ #endif
+ 
++
++#if OPENSSL_VERSION_NUMBER < 0x40000000L
++#define xca_asn1_string_length(p)		((p)->length)
++#define xca_asn1_string_get0_data(p)	((p)->data)
++#define xca_asn1_string_type(p)			((p)->type)
++#else
++#define xca_asn1_string_length(p)		ASN1_STRING_length(p)
++#define xca_asn1_string_get0_data(p)	ASN1_STRING_get0_data(p)
++#define xca_asn1_string_type(p)			ASN1_STRING_type(p)
++#endif
++
+ #endif
+diff -Naurp xca-2.9.0.orig/lib/pkcs11.cpp xca-2.9.0.new/lib/pkcs11.cpp
+--- xca-2.9.0.orig/lib/pkcs11.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/pkcs11.cpp	2026-07-22 17:10:39.158463523 +0200
+@@ -650,29 +650,6 @@ int pkcs11::encrypt(int flen, const unsi
+ 	return size;
+ }
+ 
+-#if not defined OPENSSL_NO_EC and defined EVP_PKEY_ED25519
+-// Shared between libressl and openssl
+-static int eng_idx = -1;
+-static int eng_finish(ENGINE *e)
+-{
+-	pkcs11 *p11 = (pkcs11 *)ENGINE_get_ex_data(e, eng_idx);
+-	delete p11;
+-	ENGINE_set_ex_data(e, eng_idx, NULL);
+-	return 1;
+-}
+-
+-#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
+-static int eng_pmeth_copy(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src)
+-#else
+-static int eng_pmeth_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
+-#endif
+-{
+-	void *p = EVP_PKEY_CTX_get_app_data((EVP_PKEY_CTX *)src);
+-	EVP_PKEY_CTX_set_app_data(dst,  p);
+-	return 1;
+-}
+-#endif
+-
+ static int rsa_privdata_free(RSA *rsa)
+ {
+ 	pkcs11 *priv = (pkcs11*)RSA_get_app_data(rsa);
+@@ -830,10 +807,33 @@ static EC_KEY_METHOD *setup_ec_key_meth(
+ 				ec_set_private_proc, ec_set_public_proc);
+ 	return ec_key_meth;
+ }
+-#ifdef EVP_PKEY_ED25519
++
++
++#if defined(EVP_PKEY_ED25519) && OPENSSL_VERSION_NUMBER < 0x40000000L
+ 
+ static EVP_PKEY_METHOD *p11_eddsa_method;
+ 
++// Shared between libressl and openssl
++static int eng_idx = -1;
++static int eng_finish(ENGINE *e)
++{
++	pkcs11 *p11 = (pkcs11 *)ENGINE_get_ex_data(e, eng_idx);
++	delete p11;
++	ENGINE_set_ex_data(e, eng_idx, NULL);
++	return 1;
++}
++
++#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
++static int eng_pmeth_copy(EVP_PKEY_CTX *dst, const EVP_PKEY_CTX *src)
++#else
++static int eng_pmeth_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
++#endif
++{
++	void *p = EVP_PKEY_CTX_get_app_data((EVP_PKEY_CTX *)src);
++	EVP_PKEY_CTX_set_app_data(dst,  p);
++	return 1;
++}
++
+ static int eddsa_eng_meths(ENGINE *e, EVP_PKEY_METHOD **m, const int **nids, int nid)
+ {
+ 	static const int my_nids[] = {EVP_PKEY_ED25519 };
+@@ -904,7 +904,7 @@ EVP_PKEY *pkcs11::getPrivateKey(EVP_PKEY
+ #ifndef OPENSSL_NO_EC
+ 	static EC_KEY_METHOD *ec_key_meth = NULL;
+ 	EC_KEY *ec;
+-#ifdef EVP_PKEY_ED25519
++#if defined(EVP_PKEY_ED25519) && OPENSSL_VERSION_NUMBER < 0x40000000L
+ 	static ENGINE *e = NULL;
+ 
+ 	if (!e) {
+@@ -991,6 +991,7 @@ EVP_PKEY *pkcs11::getPrivateKey(EVP_PKEY
+ #ifdef EVP_PKEY_ED25519
+ 	case EVP_PKEY_ED25519:
+ 		size_t len;
++#if OPENSSL_VERSION_NUMBER < 0x40000000L
+ 		if (ENGINE_get_ex_data(e, eng_idx))
+ 			qWarning() << "We forgot to free the previous Card key.";
+ 		ENGINE_set_ex_data(e, eng_idx, this);
+@@ -1003,6 +1004,17 @@ EVP_PKEY *pkcs11::getPrivateKey(EVP_PKEY
+ 		openssl_error();
+ 		OPENSSL_free(pubkey);
+ 		//EVP_PKEY_set1_engine(evp, e);
++#else
++		p11obj = obj;
++		EVP_PKEY_get_raw_public_key(pub, NULL, &len);
++		unsigned char *pubkey = (unsigned char *)OPENSSL_malloc(len);
++		Q_CHECK_PTR(pubkey);
++		EVP_PKEY_get_raw_public_key(pub, pubkey, &len);
++		evp = EVP_PKEY_new_raw_public_key_ex(OSSL_LIB_CTX_get0_global_default(),
++			"ED25519", NULL, pubkey, len);
++		openssl_error();
++		OPENSSL_free(pubkey);
++#endif
+ 		break;
+ #endif
+ #endif
+diff -Naurp xca-2.9.0.orig/lib/pki_pkcs12.cpp xca-2.9.0.new/lib/pki_pkcs12.cpp
+--- xca-2.9.0.orig/lib/pki_pkcs12.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/pki_pkcs12.cpp	2026-07-21 14:41:11.421805953 +0200
+@@ -85,7 +85,7 @@ pki_pkcs12::pki_pkcs12(const QString &fn
+ 	}
+ 	pki_ign_openssl_error();
+ 	if (mycert) {
+-		unsigned char *str = X509_alias_get0(mycert, NULL);
++		const unsigned char *str = X509_alias_get0(mycert, NULL);
+ 		if (str)
+ 			alias = QString::fromUtf8((const char *)str);
+ 		alias = QString::fromUtf8(alias.toLatin1());
+diff -Naurp xca-2.9.0.orig/lib/pki_scard.cpp xca-2.9.0.new/lib/pki_scard.cpp
+--- xca-2.9.0.orig/lib/pki_scard.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/pki_scard.cpp	2026-07-21 16:07:19.266072856 +0200
+@@ -14,6 +14,7 @@
+ #include "pkcs11.h"
+ #include "x509name.h"
+ #include "func.h"
++#include "openssl_compat.h"
+ #include "XcaProgress.h"
+ 
+ #include "XcaWarningCore.h"
+@@ -187,7 +188,8 @@ EVP_PKEY *pki_scard::load_pubkey(pkcs11
+ 			d2i_bytearray(D2I_VOID(d2i_ASN1_OCTET_STRING), ba);
+ 		pki_openssl_error();
+ 
+-		BIGNUM *bn = BN_bin2bn(os->data, os->length, NULL);
++		BIGNUM *bn = BN_bin2bn(xca_asn1_string_get0_data(os),
++							   xca_asn1_string_length(os), NULL);
+ 		pki_openssl_error();
+ 
+ 		EC_POINT *point = EC_POINT_bn2point(group, bn, NULL, NULL);
+@@ -215,8 +217,8 @@ EVP_PKEY *pki_scard::load_pubkey(pkcs11
+ 			d2i_bytearray(D2I_VOID(d2i_ASN1_OCTET_STRING), ba);
+ 		pki_openssl_error();
+ 		pkey = EVP_PKEY_new_raw_public_key(EVP_PKEY_ED25519, NULL,
+-			(const uint8_t *)os->data,
+-			os->length);
++			(const uint8_t *)xca_asn1_string_get0_data(os),
++			xca_asn1_string_length(os));
+ 		pki_openssl_error();
+ 		ASN1_OCTET_STRING_free(os);
+ 		pki_openssl_error();
+diff -Naurp xca-2.9.0.orig/lib/pki_x509.cpp xca-2.9.0.new/lib/pki_x509.cpp
+--- xca-2.9.0.orig/lib/pki_x509.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/pki_x509.cpp	2026-07-21 16:09:29.644513174 +0200
+@@ -836,7 +836,7 @@ pki_key *pki_x509::getPubKey() const
+ bool pki_x509::compareNameAndKey(pki_x509 *other)
+ {
+ 	int r;
+-	X509_NAME *s1, *s2;
++	const X509_NAME *s1, *s2;
+ 	EVP_PKEY *pub1, *pub2;
+ 
+ 	if (!cert || !other->cert)
+diff -Naurp xca-2.9.0.orig/lib/pki_x509req.cpp xca-2.9.0.new/lib/pki_x509req.cpp
+--- xca-2.9.0.orig/lib/pki_x509req.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/pki_x509req.cpp	2026-07-21 16:11:59.068866756 +0200
+@@ -15,6 +15,7 @@
+ #include "db_base.h"
+ #include "x509name.h"
+ #include "exception.h"
++#include "openssl_compat.h"
+ #include <openssl/bio.h>
+ 
+ pki_x509req::pki_x509req(const QString &name)
+@@ -204,7 +205,9 @@ void pki_x509req::addAttribute(int nid,
+ 		return;
+ 
+ 	ASN1_STRING *a = QStringToAsn1(content, nid);
+-	X509_REQ_add1_attr_by_NID(request, nid, a->type, a->data, a->length);
++	X509_REQ_add1_attr_by_NID(request, nid, xca_asn1_string_type(a),
++							  xca_asn1_string_get0_data(a),
++							  xca_asn1_string_length(a));
+ 	ASN1_STRING_free(a);
+ 	openssl_error_msg(QString("'%1' (%2)").arg(content).arg(OBJ_nid2ln(nid)));
+ }
+diff -Naurp xca-2.9.0.orig/lib/x509name.cpp xca-2.9.0.new/lib/x509name.cpp
+--- xca-2.9.0.orig/lib/x509name.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/x509name.cpp	2026-07-21 15:56:14.876877763 +0200
+@@ -9,6 +9,7 @@
+ #include "base.h"
+ #include "func_base.h"
+ #include "BioByteArray.h"
++#include "openssl_compat.h"
+ #include <openssl/asn1.h>
+ #include <openssl/err.h>
+ #include "exception.h"
+@@ -89,7 +90,7 @@ QString x509name::getMostPopular() const
+ QString x509name::getEntry(int i) const
+ {
+ 	QString ret;
+-	ASN1_STRING *d;
++	const ASN1_STRING *d;
+ 
+ 	if ( i<0 || i>entryCount() )
+ 		return ret;
+@@ -102,7 +103,7 @@ QString x509name::getEntry(int i) const
+ QString x509name::getEntryTag(int i) const
+ {
+ 	QString s = QObject::tr("Invalid");
+-	ASN1_STRING *d;
++	const ASN1_STRING *d;
+ 
+ 	if (i<0 || i>=entryCount())
+ 		i = entryCount() - 1;
+@@ -111,7 +112,7 @@ QString x509name::getEntryTag(int i) con
+ 	if (!d)
+ 		return s;
+ 
+-	s = ASN1_tag2str(d->type);
++	s = ASN1_tag2str(xca_asn1_string_type(d));
+ 	return s;
+ }
+ 
+@@ -154,13 +155,13 @@ QStringList x509name::entryList(int i) c
+ 
+ int x509name::nid(int i) const
+ {
+-	X509_NAME_ENTRY *ne = X509_NAME_get_entry(get0(), i);
++	const X509_NAME_ENTRY *ne = X509_NAME_get_entry(get0(), i);
+ 	return ne ? OBJ_obj2nid(X509_NAME_ENTRY_get_object(ne)) : NID_undef;
+ }
+ 
+ QString x509name::getOid(int i) const
+ {
+-	X509_NAME_ENTRY *ne = X509_NAME_get_entry(_get(), i);
++	const X509_NAME_ENTRY *ne = X509_NAME_get_entry(_get(), i);
+ 	return ne ? OBJ_obj2QString(X509_NAME_ENTRY_get_object(ne), 1) : QString();
+ }
+ 
+@@ -258,7 +259,10 @@ void x509name::addEntryByNid(int nid, co
+ 	if (entry.isEmpty())
+ 		return;
+ 	ASN1_STRING *a = QStringToAsn1(entry.simplified(), nid);
+-	X509_NAME_add_entry_by_NID(_get(), nid, a->type, a->data, a->length, -1, 0);
++	X509_NAME_add_entry_by_NID(_get(), nid,
++                               xca_asn1_string_type(a),
++                               xca_asn1_string_get0_data(a),
++							   xca_asn1_string_length(a), -1, 0);
+ 	ASN1_STRING_free(a);
+ 	openssl_error_msg(QString("'%1' (%2)").arg(entry).arg(OBJ_nid2ln(nid)));
+ }
+diff -Naurp xca-2.9.0.orig/lib/x509v3ext.cpp xca-2.9.0.new/lib/x509v3ext.cpp
+--- xca-2.9.0.orig/lib/x509v3ext.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/x509v3ext.cpp	2026-07-22 17:43:52.060374543 +0200
+@@ -10,6 +10,7 @@
+ #include "asn1int.h"
+ #include "func.h"
+ #include "exception.h"
++#include "openssl_compat.h"
+ #include <openssl/x509v3.h>
+ #include <openssl/stack.h>
+ #include <QStringList>
+@@ -49,8 +50,8 @@ x509v3ext::~x509v3ext()
+ x509v3ext &x509v3ext::set(const X509_EXTENSION *n)
+ {
+ 	if (n) {
+-		ASN1_OCTET_STRING *str = X509_EXTENSION_get_data((X509_EXTENSION *)n);
+-		if (!str || !str->length)
++		const ASN1_OCTET_STRING *str = X509_EXTENSION_get_data((X509_EXTENSION *)n);
++		if (!str || !xca_asn1_string_length(str))
+ 			n = nullptr;
+ 	}
+ 	if (ext != nullptr)
+@@ -116,7 +117,7 @@ x509v3ext &x509v3ext::create_ia5(int nid
+ 
+ const ASN1_OBJECT *x509v3ext::object() const
+ {
+-	ASN1_OBJECT *obj = nullptr;
++	const ASN1_OBJECT *obj = nullptr;
+ 	if (ext) {
+ 		obj = X509_EXTENSION_get_object(ext);
+ 		ign_openssl_error();
+@@ -166,9 +167,9 @@ int x509v3ext::getCritical() const
+ 	return ext ? X509_EXTENSION_get_critical(ext) : 0;
+ }
+ 
+-ASN1_OCTET_STRING *x509v3ext::getData() const
++const ASN1_OCTET_STRING *x509v3ext::getData() const
+ {
+-	return ext ? X509_EXTENSION_get_data(ext) : nullptr;;
++	return ext ? X509_EXTENSION_get_data(ext) : nullptr;
+ }
+ 
+ QString x509v3ext::getValue() const
+@@ -318,7 +319,7 @@ static QString ipv6_from_binary(const un
+ static bool
+ genName2conf(GENERAL_NAME *gen, QString tag, QString *single, QString *sect)
+ {
+-	unsigned char *p;
++	const unsigned char *p;
+ 	QString ret;
+ 
+ 	switch (gen->type) {
+@@ -335,22 +336,23 @@ genName2conf(GENERAL_NAME *gen, QString
+ 		return true;
+ 	}
+ 	case GEN_IPADD:
+-		p = gen->d.ip->data;
+-		if (gen->d.ip->length == 4) {
++		p = xca_asn1_string_get0_data(gen->d.ip);
++		if (xca_asn1_string_length(gen->d.ip) == 4) {
+ 			*single = QString("IP:%1.%2.%3.%4").
+ 				arg(p[0]).arg(p[1]).arg(p[2]).arg(p[3]);
+ 			return true;
+-		} else if(gen->d.ip->length == 8) {
++		} else if(xca_asn1_string_length(gen->d.ip) == 8) {
+ 			*single = QString("IP:%1.%2.%3.%4/%5.%6.%7.%8").
+ 			                    arg(p[0]).arg(p[1]).arg(p[2]).arg(p[3]).
+ 			                    arg(p[4]).arg(p[5]).arg(p[6]).arg(p[7]);
+ 			return true;
+-		} else if(gen->d.ip->length == 16) {
+-			*single = "IP:" + ipv6_from_binary(gen->d.ip->data);
++		} else if(xca_asn1_string_length(gen->d.ip) == 16) {
++			*single = "IP:" + ipv6_from_binary(xca_asn1_string_get0_data(gen->d.ip));
+ 			return true;
+-		} else if(gen->d.ip->length == 32) {
+-			*single = "IP:" + ipv6_from_binary(gen->d.ip->data) +
+-				"/" + ipv6_from_binary(gen->d.ip->data +16);
++		} else if(xca_asn1_string_length(gen->d.ip) == 32) {
++			*single = "IP:" +
++				ipv6_from_binary(xca_asn1_string_get0_data(gen->d.ip)) +
++				"/" + ipv6_from_binary(xca_asn1_string_get0_data(gen->d.ip) + 16);
+ 			return true;
+ 		}
+ 		return false;
+@@ -372,9 +374,9 @@ genName2conf(GENERAL_NAME *gen, QString
+ 			*single = QString("otherName:%1;FORMAT:HEX,%2").
+ 			arg(obj2SnOid(gen->d.otherName->type_id)).
+ 			arg(asn1Type2Name(type));
+-			for (int i=0; i<a->length; i++) {
++			for (int i=0; i<xca_asn1_string_length(a); i++) {
+ 				*single += QString(":%1").
+-				arg((int)(a->data[i]), 2, 16, QChar('0'));
++				arg((int)(xca_asn1_string_get0_data(a)[i]), 2, 16, QChar('0'));
+ 			}
+ 		}
+ 		return true;
+@@ -423,12 +425,12 @@ bool x509v3ext::parse_ia5(QString *singl
+ 		return false;
+ 
+ 	if (!str) {
+-		const unsigned char *p = getData()->data;
+-		str = d2i_ASN1_OCTET_STRING(NULL, &p, getData()->length);
++		const unsigned char *p = xca_asn1_string_get0_data(getData());
++		str = d2i_ASN1_OCTET_STRING(NULL, &p, xca_asn1_string_length(getData()));
+ 		if (ign_openssl_error() || !str)
+ 			return false;
+ 		ret = QString("<ERROR: NOT IA5 but %1>%2").
+-			arg(asn1Type2Name(str->type)).
++			arg(asn1Type2Name(xca_asn1_string_type(str))).
+ 			arg(QString(asn1ToQString(str)));
+ 	} else {
+ 		ret = QString(asn1ToQString(str));
+@@ -824,10 +826,10 @@ bool x509v3ext::parse_generic(QString *,
+ 
+ 	const ASN1_OBJECT *o = object();
+ 	QString der, obj = o ? obj2SnOid(o) : QString("INVALID");
+-	ASN1_OCTET_STRING *v = getData();
++	const ASN1_OCTET_STRING *v = getData();
+ 
+-	for (int i=0; v && i < v->length; i++)
+-		der += QString(":%1").arg((int)(v->data[i]), 2, 16, QChar('0'));
++	for (int i=0; v && i < xca_asn1_string_length(v); i++)
++		der += QString(":%1").arg((int)(xca_asn1_string_get0_data(v)[i]), 2, 16, QChar('0'));
+ 
+ 	if (adv)
+ 		*adv = QString("%1=%2DER%3\n").arg(obj).
+@@ -1037,7 +1039,7 @@ X509_EXTENSION *x509v3ext::get() const
+ 
+ bool x509v3ext::isValid() const
+ {
+-	return ext && getData() && getData()->length > 0 &&
++	return ext && getData() && xca_asn1_string_length(getData()) > 0 &&
+ 		OBJ_obj2nid(X509_EXTENSION_get_object(ext)) != NID_undef;
+ }
+ 
+diff -Naurp xca-2.9.0.orig/lib/x509v3ext.h xca-2.9.0.new/lib/x509v3ext.h
+--- xca-2.9.0.orig/lib/x509v3ext.h	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/lib/x509v3ext.h	2026-07-22 17:33:42.586049536 +0200
+@@ -35,7 +35,7 @@ class x509v3ext
+ 	// bool operator == (const x509v3ext &x) const;
+ 	QString getObject() const;
+ 	int getCritical() const;
+-	ASN1_OCTET_STRING *getData() const;
++	const ASN1_OCTET_STRING *getData() const;
+ 	QString getValue() const;
+ 	QString getHtmlValue() const;
+ 	QString getConsoleValue(const QString &indent) const;
+diff -Naurp xca-2.9.0.orig/widgets/CertDetail.cpp xca-2.9.0.new/widgets/CertDetail.cpp
+--- xca-2.9.0.orig/widgets/CertDetail.cpp	2025-03-28 19:28:15.000000000 +0100
++++ xca-2.9.0.new/widgets/CertDetail.cpp	2026-07-22 17:48:13.703356907 +0200
+@@ -16,6 +16,7 @@
+ #include "lib/func_base.h"
+ #include "lib/func.h"
+ #include "lib/XcaWarningCore.h"
++#include "lib/openssl_compat.h"
+ #include <QLabel>
+ #include <QPushButton>
+ #include <QLineEdit>
+@@ -269,7 +270,7 @@ void CertDetail::setReq(pki_x509req *req
+ 
+ 			int count = X509_ATTRIBUTE_count(att);
+ 			for (int j=0; j<count; j++) {
+-				ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(att, j);
++				const ASN1_TYPE *at = X509_ATTRIBUTE_get0_type(att, j);
+ 				label = labelFromAsn1String(at->value.asn1_string);
+ 				attrLayout->addWidget(label, ii, j +1);
+ 			}
+@@ -289,7 +290,7 @@ QLabel *CertDetail::labelFromAsn1String(
+ 	QLabel *label;
+ 	label = new CopyLabel(this);
+ 	label->setText(asn1ToQString(s));
+-	label->setToolTip(QString(ASN1_tag2str(s->type)));
++	label->setToolTip(QString(ASN1_tag2str(xca_asn1_string_type(s))));
+ 	return label;
+ }
+ 

diff --git a/xca.spec b/xca.spec
index af9321f..d9b5861 100644
--- a/xca.spec
+++ b/xca.spec
@@ -4,13 +4,15 @@
 Summary:	Graphical X.509 certificate management tool
 Name:		xca
 Version:	2.9.0
-Release:	4%{?dist}
+Release:	5%{?dist}
 # Automatically converted from old format: BSD - review is highly recommended.
 License:	LicenseRef-Callaway-BSD
 URL:		https://hohnstaedt.de/xca/
 Source0:	https://github.com/%{gitowner0}/%{gitproject0}/releases/download/RELEASE.%{version}/%{name}-%{version}.tar.gz
 Source1:	xca-2.5.0-README.IMPORTANT
 
+Patch1:		xca-2.9.0-openssl4.patch
+
 BuildRequires:	cmake
 BuildRequires:	gcc-c++
 BuildRequires:	cmake(Qt6Core)
@@ -20,7 +22,7 @@ BuildRequires:	cmake(Qt6Help)
 BuildRequires:	cmake(Qt6LinguistTools)
 BuildRequires:	cmake(Qt6Test)
 BuildRequires:	openssl-devel
-%if 0%{?fedora} >= 41
+%if 0%{?fedora} >= 41 && 0%{?fedora} <= 44
 BuildRequires:	openssl-devel-engine
 %endif
 BuildRequires:	desktop-file-utils
@@ -44,10 +46,10 @@ OpenSSL library for the cryptographic operations.
   Certificate signing requests (PKCS#10), certificates (X509v3), the signing
 of requests, the creation of self-signed certificates, certificate revocation
 lists and SmartCards are supported. For an easy company-wide use, customizable
-templates can be used for certificate and request generation. The PKI structures
-can be imported and exported in several formats like PKCS#7, PKCS#12, PEM,
-DER, PKCS#8. All cryptographic data are stored in a byte order agnostic file
-format, portable across operating systems.
+templates can be used for certificate and request generation. The PKI
+structures can be imported and exported in several formats like PKCS#7,
+PKCS#12, PEM, DER, PKCS#8. All cryptographic data are stored in a byte order
+agnostic file format, portable across operating systems.
 
 
 #-------------------------------------------------------------------------------
@@ -88,14 +90,27 @@ install -d -m 755 '%{buildroot}%{_datadir}/mime/packages'
 install -p -m 644 misc/xca.xml '%{buildroot}%{_datadir}/mime/packages/'
 
 #	Validate desktop files.
-desktop-file-validate %{buildroot}%{_datadir}/applications/de.hohnstaedt.xca.desktop
-appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/de.hohnstaedt.xca.metainfo.xml
+desktop-file-validate							\
+	'%{buildroot}%{_datadir}/applications/de.hohnstaedt.xca.desktop'
+appstream-util validate-relax --nonet					\
+	'%{buildroot}%{_metainfodir}/de.hohnstaedt.xca.metainfo.xml'
+
+#	Template contains neither translations nor language code.
+rm -f '%{buildroot}%{_datadir}/xca/i18n/xca.qm'
 
 #	Tag translation files.
 %find_lang '%{name}' --with-qt
 
 
 #-------------------------------------------------------------------------------
+%check
+#-------------------------------------------------------------------------------
+
+#	Do not test GUI.
+%ctest -E '^testxca$' || :
+
+
+#-------------------------------------------------------------------------------
 %files -f %{name}.lang
 #-------------------------------------------------------------------------------
 
@@ -111,12 +126,17 @@ appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/de.hohnstaedt.
 %{_datadir}/bash-completion/
 %{_metainfodir}/de.hohnstaedt.xca.metainfo.xml
 %attr(0644, root, root) %{_mandir}/*/*
-# template, contains no translations or language code
-%exclude %{_datadir}/xca/i18n/xca.qm
 
 
 #-------------------------------------------------------------------------------
 %changelog
+#-------------------------------------------------------------------------------
+
+* Wed Jul 22 2026 Patrick Monnerat <patrick@monnerat.net> 2.9.0-5
+- Patch "openssl4" for openssl version 4 compatibility.
+- Remove BR openssl-devel-engine for Fedora > 44.
+- Perform tests.
+
 * Fri Jul 17 2026 Fedora Release Engineering <releng@fedoraproject.org> - 2.9.0-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild
 
@@ -135,8 +155,6 @@ appstream-util validate-relax --nonet %{buildroot}%{_metainfodir}/de.hohnstaedt.
 * Sun Jan 19 2025 Fedora Release Engineering <releng@fedoraproject.org> - 2.7.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild
 
-#-------------------------------------------------------------------------------
-
 * Fri Sep  6 2024 Patrick Monnerat <patrick@monnerat.net> 2.7.0-1
 - New upstream release.