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Code Issues Releases Wiki Activity

Manual: correct statement about empty owner passwords

This commit is contained in:
Jay Berkenbilt 2022-01-23 12:58:54 -05:00
parent 564dc03607
commit 2a2ec1c066
1 changed files with 7 additions and 7 deletions
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14
manual/encryption.rst
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@ -383,13 +383,13 @@ reader treats the password as the owner password, using it to recover
the user password, and then uses the user password to retrieve the the user password, and then uses the user password to retrieve the
encryption key. This is why creating a file with the same user encryption key. This is why creating a file with the same user
password and owner password with ``V`` < 5 results in a file that some password and owner password with ``V`` < 5 results in a file that some
readers will never allow you to open as the owner. Typically when a readers will never allow you to open as the owner. When an empty owner
reader encounters a file with ``V`` < 5, it will first attempt to password is given at file creation, the user password is used as both
treat the empty string as a user password. If that works, the file is the user and owner password. Typically when a reader encounters a file
encrypted but not password-protected. If it doesn't work, then a with ``V`` < 5, it will first attempt to treat the empty string as a
password prompt is given. Creating a file with an empty owner password user password. If that works, the file is encrypted but not
is like creating a file with the same owner and user password: there password-protected. If it doesn't work, then a password prompt is
is no way to open the file as an owner. given.
For ``V`` ≥ 5, the main encryption key is independently encrypted For ``V`` ≥ 5, the main encryption key is independently encrypted
using the user password and the owner password. There is no way to using the user password and the owner password. There is no way to