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Password manager

As explained in Real-World Cryptography

A password manager is software that generates, stores, and retrieves passwords and protects them with a master password.

Reusing one password across many websites creates a tempting path from one breach to every account. A password manager reduces that risk by generating, storing, and retrieving strong passwords while protecting them behind one master password. section 11.2.1 section 11.4

A practical password-manager workflow looks like this:

  • Generate a different, complex password when registering for each website. section 11.2.1
  • Store the passwords in the manager instead of relying on memory or reusing familiar ones. section 11.4
  • Remember one master password to retrieve the stored passwords when signing in. section 11.2.1

A browser registration

A modern browser suggests a complex password for a new website, saves it in its built-in password manager, and later retrieves it after the user unlocks the manager with the master password. section 11.2.1

How Real-World Cryptography covers it

How deep it goes
Explains the problem, purpose, and basic workflow but stops short of implementation or storage internals.
Examples
Uses modern browsers suggesting complex passwords, storing credentials, and retrieving them behind a master password.
What it assumes
Assumes familiarity with website accounts and passwords while teaching the need for distinct credentials from zero.
What you can do after
Apply it via a browser’s built-in password manager to generate and manage strong passwords for separate applications.
How it connects
Connects password managers with password reuse, passwords, and single sign-on as responses to poor password hygiene.

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This explainer was generated by Manning's knowledge graph from the text of Real-World Cryptography. The section links point to the parts of the book it draws on.