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Add key serialization to support Quick Unlock

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This commit is contained in:
Jonathan White
2022-02-18 10:17:21 -05:00
parent acce1bc5ce
commit a76daeb4c5
11 changed files with 194 additions and 16 deletions
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38
src/keys/PasswordKey.cpp
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@@ -19,6 +19,7 @@
#include "crypto/CryptoHash.h"
#include <QDataStream>
#include <QSharedPointer>
QUuid PasswordKey::UUID("77e90411-303a-43f2-b773-853b05635ead");
@@ -46,21 +47,44 @@ QByteArray PasswordKey::rawKey() const
return QByteArray(m_key.data(), m_key.size());
}
void PasswordKey::setPassword(const QString& password)
void PasswordKey::setRawKey(const QByteArray& data)
{
setHash(CryptoHash::hash(password.toUtf8(), CryptoHash::Sha256));
if (data.isEmpty()) {
m_key.clear();
m_isInitialized = false;
} else {
Q_ASSERT(data.size() == SHA256_SIZE);
m_key.assign(data.begin(), data.end());
m_isInitialized = true;
}
}
void PasswordKey::setHash(const QByteArray& hash)
void PasswordKey::setPassword(const QString& password)
{
Q_ASSERT(hash.size() == SHA256_SIZE);
std::memcpy(m_key.data(), hash.data(), std::min(SHA256_SIZE, hash.size()));
m_isInitialized = true;
setRawKey(CryptoHash::hash(password.toUtf8(), CryptoHash::Sha256));
}
QSharedPointer<PasswordKey> PasswordKey::fromRawKey(const QByteArray& rawKey)
{
auto result = QSharedPointer<PasswordKey>::create();
result->setHash(rawKey);
result->setRawKey(rawKey);
return result;
}
QByteArray PasswordKey::serialize() const
{
QByteArray data;
QDataStream stream(&data, QIODevice::WriteOnly);
stream << uuid().toRfc4122() << rawKey();
return data;
}
void PasswordKey::deserialize(const QByteArray& data)
{
QByteArray uuidData, key;
QDataStream stream(data);
stream >> uuidData >> key;
if (uuid().toRfc4122() == uuidData) {
setRawKey(key);
}
}