RetroShare/retroshare-gui/src/TorControl/CryptoKey.h

96 lines
3.2 KiB
C++

/* Ricochet - https://ricochet.im/
* Copyright (C) 2014, John Brooks <john.brooks@dereferenced.net>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* * Neither the names of the copyright owners nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CRYPTOKEY_H
#define CRYPTOKEY_H
#include <QString>
#include <QSharedData>
#include <QExplicitlySharedDataPointer>
class CryptoKey
{
public:
enum KeyType {
PrivateKey,
PublicKey
};
enum KeyFormat {
PEM,
DER
};
CryptoKey();
CryptoKey(const CryptoKey &other) : d(other.d) { }
~CryptoKey();
bool loadFromData(const QByteArray &data, KeyType type, KeyFormat format = PEM);
bool loadFromFile(const QString &path, KeyType type, KeyFormat format = PEM);
void clear();
bool isLoaded() const { return d.data() && d->key != 0; }
bool isPrivate() const;
QByteArray publicKeyDigest() const;
QByteArray encodedPublicKey(KeyFormat format) const;
QByteArray encodedPrivateKey(KeyFormat format) const;
QString torServiceID() const;
int bits() const;
// Calculate and sign SHA-256 digest of data using this key and PKCS #1 v2.0 padding
QByteArray signData(const QByteArray &data) const;
// Verify a signature as per signData
bool verifyData(const QByteArray &data, QByteArray signature) const;
// Sign the input SHA-256 digest using this key and PKCS #1 v2.0 padding
QByteArray signSHA256(const QByteArray &digest) const;
// Verify a signature as per signSHA256
bool verifySHA256(const QByteArray &digest, QByteArray signature) const;
private:
struct Data : public QSharedData
{
typedef struct rsa_st RSA;
RSA *key;
Data(RSA *k = 0) : key(k) { }
~Data();
};
QExplicitlySharedDataPointer<Data> d;
};
QByteArray torControlHashedPassword(const QByteArray &password);
#endif // CRYPTOKEY_H