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// SPDX-FileCopyrightText: 2021 Carl Schwan <carlschwan@kde.org>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#pragma once
#include "e2ee/e2ee.h"
struct OlmUtility;
namespace Quotient {
//! Allows you to make use of crytographic hashing via SHA-2 and
//! verifying ed25519 signatures.
class QUOTIENT_API QOlmUtility
{
public:
QOlmUtility();
~QOlmUtility();
//! Returns a sha256 of the supplied byte slice.
QString sha256Bytes(const QByteArray &inputBuf) const;
//! Convenience function that converts the UTF-8 message
//! to bytes and then calls `sha256Bytes()`, returning its output.
QString sha256Utf8Msg(const QString &message) const;
//! Verify a ed25519 signature.
//! \param key QByteArray The public part of the ed25519 key that signed the message.
//! \param message QByteArray The message that was signed.
//! \param signature QByteArray The signature of the message.
QOlmExpected<bool> ed25519Verify(const QByteArray &key,
const QByteArray &message, const QByteArray &signature);
private:
OlmUtility *m_utility;
};
}
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