66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
#ifndef PASSWORDMANAGER_H
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#define PASSWORDMANAGER_H
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#include "Expected.h"
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#include <string>
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#include <botan/botan.h>
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#include <botan/symkey.h>
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#include <map>
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struct StrengthenedKey {
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Botan::SymmetricKey cipher_key;
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Botan::SymmetricKey mac_key;
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Botan::InitializationVector iv;
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StrengthenedKey() {}
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StrengthenedKey(const Botan::SymmetricKey &ck, const Botan::SymmetricKey &mk,
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const Botan::InitializationVector &i)
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: cipher_key(ck)
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, mac_key(mk)
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, iv(i)
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{}
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};
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class PasswordManager {
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public:
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// static PasswordManager create(const std::string &file_name);
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PasswordManager();
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/** Unlocks the passwords of the connections.
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*
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* \return Normally it return a bool specifying if the password was accepted.
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* on rare occasions it could return an error.
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*/
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Expected<bool> unlock(const std::string &master_password);
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Expected<bool> changeMasterPassword(const std::string &master_password,
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const std::string &new_master_password);
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/** Forget master password
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*/
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void lock();
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bool locked() const;
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Expected<void> savePassword(const std::string &key, const std::string &password);
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Expected<bool> getPassword(const std::string &key, std::string &out);
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private:
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Botan::AutoSeeded_RNG m_rng;
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Botan::OctetString m_keySalt; // salt for generating crypto key
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StrengthenedKey m_masterKey; // crypto key
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Botan::OctetString m_hashSalt; // salt of the hash of the passphrase
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Botan::OctetString m_masterHash; // hash for checking the passphrase
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using t_KeyPasswords = std::map<std::string, std::string>;
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t_KeyPasswords m_store;
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static Botan::OctetString hashStrengthenedKey(const StrengthenedKey &key, const Botan::OctetString &salt);
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};
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#endif // PASSWORDMANAGER_H
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