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fix windows section on configuration openssl

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This commit is contained in:
Carla Schroder
2014-11-19 12:46:20 -08:00
parent 63dc6646af
commit 3d907f328b
1 changed files with 36 additions and 34 deletions
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70
admin_manual/configuration/encryption_configuration.rst
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@@ -6,7 +6,8 @@ encrypts all files stored on the ownCloud server, and all files on remote
storage that is connected to your ownCloud server. Encryption and decryption are
performed on the ownCloud server. All files sent to remote storage (for example
Dropbox and Google Drive) will be encrypted by the ownCloud server, and upon
retrieval, decrypted before serving them to you and anyone you have shared them with.
retrieval, decrypted before serving them to you and anyone you have shared them
with.
When files on external storage are encrypted in ownCloud, you cannot share them
directly from the external storage services, but only through ownCloud sharing
@@ -19,7 +20,8 @@ The Encryption app generates a strong encryption key, which is unlocked by
user's passwords. So your users don't need to track an extra password, but
simply log in as they normally do.
Encryption is applied server-wide; it cannot be applied to selected users.
Encryption is applied server-wide; it cannot be applied to selected users or
files.
The Encryption app encrypts only the contents of files, and not filenames and
folder structures.
@@ -40,13 +42,14 @@ The encryption keys are stored in following folders:
.. note:: Encryption keys are stored only on the ownCloud server, eliminating
exposure of your data to third party storage providers. The encryption app
does **not** protect your data if your ownCloud server is compromised, and it
does not protect users from snoopy ownCloud admins. This would require client
side encryption, which this app does not provide. If your ownCloud server
is not connected to any external storage services then it is better to
use other encryption tools, such as file-level or whole-disk encryption. Read
does not prevent ownCloud administrators from reading user's files. This
would require client-side encryption, which this app does not provide. If
your ownCloud server is not connected to any external storage services then
it is better to use other encryption tools, such as file-level or
whole-disk encryption. Read
`How ownCloud uses encryption to protect your data
<https://owncloud.org/blog/how-owncloud-uses-encryption-to-protect-your-data/>`_. for
more details.
<https://owncloud.org/blog/how-owncloud-uses-encryption-to-protect-your-data/>`_
for more information.
Enabling the Encryption App
---------------------------
@@ -71,18 +74,18 @@ minutes depending on how many files you have.
When the encryption process is complete you'll be returned to your default
ownCloud page. Every user will go through this process when they log in after
you enable encryption, and each user will get unique encryption keys. Users can
still change their passwords whenever they want on their Personal pages.
you enable encryption, and each user will get unique encryption keys. Users can change
their passwords whenever they want on their Personal pages, and ownCloud will update
their encryption keys automatically/
Sharing Encrypted Files
-----------------------
Only users who have private encryption keys (via logging out and logging back in to
create their keys) have access to shared encrypted files and folders. Users who have not
yet created their private encryption keys will not have access to encrypted shared files;
they will see folders and filenames, but will not be able to open or download the files.
They will see a yellow warning banner that says "Encryption App is enabled but your keys
are not initialized, please log-out and log-in again."
Only users who have private encryption keys have access to shared encrypted files and
folders. Users who have not yet created their private encryption keys will not have access
to encrypted shared files; they will see folders and filenames, but will not be able to
open or download the files. They will see a yellow warning banner that says "Encryption
App is enabled but your keys are not initialized, please log-out and log-in again."
Share owners may need to re-share files after encryption is enabled; users trying to
access the share will see a message advising them to ask the share owner to re-share the
@@ -92,7 +95,6 @@ then the share owner can remove the individual shares.
.. figure:: ../images/encryption9.png
Decrypting Encrypted Files
--------------------------
@@ -104,29 +106,26 @@ files".
.. figure:: ../images/encryption4.png
Go to your Personal page and enter your password in the Encryption removal form,
and your files will all be decrypted.
Go to your Personal page and enter your password in the Encryption removal form, and your
files will all be decrypted.
.. figure:: ../images/encryption5.png
Your users will also have to follow this step to decrypt their files. If
something goes wrong with decryption, click the ``Restore Encryption Keys``
button to re-encrypt your files, and then review your logfile to see what
happened. Though it would be very unusual for the decryption to fail as
decryption is routine and reliable.
happened.
Enabling a File Recovery Key
----------------------------
If you lose your ownCloud password, then you lose access to your encrypted files. If one
of your users loses their ownCloud password their files are unrecoverable. You
cannot reset their password in the normal way; you'll see a yellow banner
warning "Please provide an admin recovery password, otherwise all user data will
be lost".
of your users loses their ownCloud password their files are unrecoverable. You cannot
reset their password in the normal way; you'll see a yellow banner warning "Please provide
an admin recovery password, otherwise all user data will be lost".
To avoid all this, create a Recovery Key. Go to the Encryption section of your
Admin page and set a recovery key password. Obviously, do not lose this
password.
Admin page and set a recovery key password.
.. figure:: ../images/encryption6.png
@@ -165,19 +164,22 @@ to do this. If you have enabled the Recovery Key then you can change a user's pa
the ownCloud Users panel to match their back-end password, and then, of course, notify the
user and give them their new password.
Encryption on Windows Servers
-----------------------------
"Missing requirements" Message on Windows Servers
-------------------------------------------------
If you get a "Missing requirements" error message when you enable encryption on a Windows server,
enter the absolute location of your openSSL configuration file in ``config.php``::
If you get a "Missing requirements" error message when you enable encryption on
a Windows server, enter the absolute location of your openSSL configuration file in
``config.php``::
'openssl' => array(
'config' => '/absolute/location/of/openssl.cnf',
'config' => 'C:\path\to\openssl.cnf',
),
For example, in a typical installation it looks like this::
For example, in a typical installation on a 64-bit Windows 7 system it looks like this::
'openssl' => array(
'config' => '/Program Files (x86)\GnuWin32\share\openssl.cnf',
'config' => 'C:\OpenSSL-Win64\openssl.cnf',
),
There are many ways to configure OpenSSL, so be sure to verify your correct file
location.