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diff --git a/src/utils/keys.cpp b/src/utils/keys.cpp
index 3e8c5d372..00918da9f 100644
--- a/src/utils/keys.cpp
+++ b/src/utils/keys.cpp
@@ -1,40 +1,56 @@
/* -*- mode: c++; c-basic-offset:4 -*-
utils/keys.cpp
This file is part of Kleopatra, the KDE keymanager
SPDX-FileCopyrightText: 2022 g10 Code GmbH
SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "keys.h"
#include <QByteArray>
+// needed for GPGME_VERSION_NUMBER
+#include <gpgme.h>
+
#include <algorithm>
#include <iterator>
bool Kleo::isSelfSignature(const GpgME::UserID::Signature &signature)
{
return !qstrcmp(signature.parent().parent().keyID(), signature.signerKeyID());
}
bool Kleo::isRevokedOrExpired(const GpgME::UserID &userId)
{
const auto sigs = userId.signatures();
std::vector<GpgME::UserID::Signature> selfSigs;
std::copy_if(std::begin(sigs), std::end(sigs), std::back_inserter(selfSigs), &Kleo::isSelfSignature);
std::sort(std::begin(selfSigs), std::end(selfSigs));
// check the most recent signature
const auto sig = !selfSigs.empty() ? selfSigs.back() : GpgME::UserID::Signature{};
return !sig.isNull() && (sig.isRevokation() || sig.isExpired());
}
bool Kleo::canCreateCertifications(const GpgME::Key &key)
{
- // Key::hasSecret() is also true for offline keys (i.e. keys with a secret key stub that are not stored on a card),
- // but those keys cannot be used for certifications; therefore, we check whether the primary subkey has a proper secret key
- // or whether its secret key is stored on a card, so that gpg can ask for the card.
- return key.canCertify() && (key.subkey(0).isSecret() || key.subkey(0).isCardKey());
+ return key.canCertify() && canBeUsedForSecretKeyOperations(key);
+}
+
+bool Kleo::canBeUsedForSecretKeyOperations(const GpgME::Key &key)
+{
+#if GPGME_VERSION_NUMBER >= 0x011102 // 1.17.2
+ // we need to check the primary subkey because Key::hasSecret() is also true if just the secret key stub of an offline key is available
+ return key.subkey(0).isSecret();
+#else
+ // older versions of GpgME did not always set the secret flag for card keys
+ return key.subkey(0).isSecret() || key.subkey(0).isCardKey();
+#endif
+}
+
+bool Kleo::isSecretKeyStoredInKeyRing(const GpgME::Key &key)
+{
+ return key.subkey(0).isSecret() && !key.subkey(0).isCardKey();
}
diff --git a/src/utils/keys.h b/src/utils/keys.h
index 0e142a7b4..928034e7d 100644
--- a/src/utils/keys.h
+++ b/src/utils/keys.h
@@ -1,42 +1,55 @@
/* -*- mode: c++; c-basic-offset:4 -*-
utils/keys.h
This file is part of Kleopatra, the KDE keymanager
SPDX-FileCopyrightText: 2022 g10 Code GmbH
SPDX-FileContributor: Ingo Klöcker <dev@ingo-kloecker.de>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
#include <gpgme++/key.h>
namespace Kleo
{
struct CertificatePair {
GpgME::Key openpgp;
GpgME::Key cms;
};
/** Returns true if \p signature is a self-signature. */
bool isSelfSignature(const GpgME::UserID::Signature &signature);
/**
* Returns true if the most recent self-signature of \p userId is a revocation
* signature or if it has expired.
*/
bool isRevokedOrExpired(const GpgME::UserID &userId);
/**
* Returns true if \p key can be used to certify user IDs, i.e. if the key
* has the required capability and if the secret key of the (primary)
* certification subkey is available in the keyring or on a smart card.
+ */
+bool canCreateCertifications(const GpgME::Key &key);
+
+/**
+ * Returns true if \p key can be used for operations requiring the secret key,
+ * i.e. if the secret key of the primary key pair is available in the keyring
+ * or on a smart card.
*
* \note Key::hasSecret() also returns true if a secret key stub, e.g. of an
* offline key, is available in the keyring.
*/
-bool canCreateCertifications(const GpgME::Key &key);
+bool canBeUsedForSecretKeyOperations(const GpgME::Key &key);
+
+/**
+ * Returns true if the secret key of the primary key pair of \p key is stored
+ * in the keyring.
+ */
+bool isSecretKeyStoredInKeyRing(const GpgME::Key &key);
}

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