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2. KeePass - Wikipedia

   en.wikipedia.org/wiki/KeePass

   Create master key. Access to the database is restricted by a master password or a key file. Both methods may be combined to create a "composite master key". If both methods are used, then both must be present to access the password database. KeePass version 2.x introduces a third option—dependency upon the current Windows user. [26]

3. Master Password (algorithm) - Wikipedia

   en.wikipedia.org/wiki/Master_Password_(algorithm)

   Master Password is a type of algorithm first implemented by Maarten Billemont for creating unique passwords in a reproducible manner. It differs from traditional password managers in that the passwords are not stored on disk or in the cloud, but are regenerated every time from information entered by the user: Their name, a master password, and a unique identifier for the service the password ...

4. FileVault - Wikipedia

   en.wikipedia.org/wiki/FileVault

   If a user password is forgotten, the master password or recovery key may be used to decrypt the files instead. [3] FileVault recovery key is different from a Mac recovery key, which is a 28-character code used to reset your password or regain access to your Apple ID.

5. PBKDF2 - Wikipedia

   en.wikipedia.org/wiki/PBKDF2

   The PBKDF2 key derivation function has five input parameters: [9] DK = PBKDF2(PRF, Password, Salt, c, dkLen) where: PRF is a pseudorandom function of two parameters with output length hLen (e.g., a keyed HMAC) Password is the master password from which a derived key is generated; Salt is a sequence of bits, known as a cryptographic salt

6. Comparison of disk encryption software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_disk...

   The individual sector keys are stored on disk and encrypted with a master key. (See GBDE for details) LRW: The Liskov-Rivest-Wagner tweakable narrow-block mode, a mode of operation specifically designed for disk encryption. Superseded by the more secure XTS mode due to security concerns.

7. Message authentication code - Wikipedia

   en.wikipedia.org/wiki/Message_authentication_code

   Formally, a message authentication code (MAC) system is a triple of efficient [4] algorithms (G, S, V) satisfying: G (key-generator) gives the key k on input 1 n, where n is the security parameter. S (signing) outputs a tag t on the key k and the input string x. V (verifying) outputs accepted or rejected on inputs: the key k, the string x and ...

8. Key derivation function - Wikipedia

   en.wikipedia.org/wiki/Key_derivation_function

   Example of a Key Derivation Function chain as used in the Signal Protocol.The output of one KDF function is the input to the next KDF function in the chain. In cryptography, a key derivation function (KDF) is a cryptographic algorithm that derives one or more secret keys from a secret value such as a master key, a password, or a passphrase using a pseudorandom function (which typically uses a ...

9. Keychain (software) - Wikipedia

   en.wikipedia.org/wiki/Keychain_(software)

   On a shared Mac/non-Mac network, it is possible for the login keychain's password to lose synchronization if the user's login password is changed from a non-Mac system. Also, if the password is changed from a directory service like Active Directory or Open Directory, or if the password is changed from another admin account e.g. using the System ...