30 lines
820 B
C
30 lines
820 B
C
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#ifndef KEYSTRENGTHENER_H
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#define KEYSTRENGTHENER_H
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#include <QSqlDatabase>
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#include <botan/pwdhash.h>
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#include <botan/secmem.h>
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#include <memory>
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class KeyStrengthener {
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public:
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KeyStrengthener() = default;
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KeyStrengthener(std::unique_ptr<Botan::PasswordHash> hasher, Botan::secure_vector<uint8_t> salt, size_t keysize);
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KeyStrengthener(const KeyStrengthener&) = delete;
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KeyStrengthener& operator=(const KeyStrengthener &) = delete;
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KeyStrengthener(KeyStrengthener &&rhs);
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KeyStrengthener& operator=(KeyStrengthener &&rhs);
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Botan::secure_vector<uint8_t> derive(const std::string &passphrase);
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void saveParams(QSqlDatabase &db, const QString &table_name);
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private:
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std::unique_ptr<Botan::PasswordHash> m_hasher;
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Botan::secure_vector<uint8_t> m_salt;
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size_t m_keySize;
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};
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#endif // KEYSTRENGTHENER_H
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