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In this section, we present a solution to address the shortcomings of passwords
discussed in the previous section. In particular, we aim to satisfy the
following requirements:
- The system should not rely on precise recall. Instead, it should be based
on recognition, to make the authentication task more reliable and easier for
the user.
- The system should prevent users from choosing weak passwords.
- The system should make it difficult to write passwords down and to share them
with others.
Next: System Architecture
Up: Déjà Vu: A User
Previous: Shortcomings of Password-Based Authentication
Adrian Perrig
Thu Jun 15 15:16:10 PDT 2000