Importing OX Buildkey

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Importing the Open-Xchange Buildkey

Open-Xchange RPM packages are signed with the Open-Xchange build key and the APT repository is signed according to http://wiki.debian.org/SecureApt.

Key ID: DFD4BCF6
Key fingerprint: 307D BCBD 75D2 B00E F81C  1E4C 1211 1537 DFD4 BCF6

The public key can be downloaded from public PGP keyservers or from https://software.open-xchange.com/0xDFD4BCF6-oxbuildkey.pub

Note that older releases have been signed using a different build key. You can download the public key to validate those packages here: https://software.open-xchange.com/0xEED949F0-oxbuildkey.pub

Importing key into APT based systems

From Debian 12 on

To add the keyring file to your trusted keys directory

$ wget -qO - https://software.open-xchange.com/0xDFD4BCF6-oxbuildkey.pub | gpg --dearmor > /etc/apt/trusted.gpg.d/0xDFD4BCF6-oxbuildkey.gpg

Up to Debian 11

To import the key into the APT keyring, run

$ wget https://software.open-xchange.com/0xDFD4BCF6-oxbuildkey.pub -O - | apt-key add -

If this command returns "OK", you're done importing the buildkey and can go on with the installation. In case that does not work, split it into two steps:

$ wget https://software.open-xchange.com/0xDFD4BCF6-oxbuildkey.pub
$ apt-key add - < 0xDFD4BCF6-oxbuildkey.pub

To verify the success, run

$ apt-key list

The following or similar output should appear:

/etc/apt/trusted.gpg
--------------------
pub   rsa4096 2020-05-25 [SC]
      307D BCBD 75D2 B00E F81C  1E4C 1211 1537 DFD4 BCF6
uid           [ unknown] Open-Xchange Release Team <release-team@open-xchange.com>
sub   rsa4096 2020-05-25 [E]


Importing Key into RPM based systems

To import that key into the RPM database, use the following command (as root):

$ rpm --import https://software.open-xchange.com/0xDFD4BCF6-oxbuildkey.pub

to verify the success, use

$ rpm -qi gpg-pubkey

that should give an output similar to this one:

Name        : gpg-pubkey
Version     : dfd4bcf6
Release     : 5ecb8c8f
Architecture: (none)
Install Date: Tue Feb  2 09:47:31 2021
Group       : Public Keys
Size        : 0
License     : pubkey
Signature   : (none)
Source RPM  : (none)
Build Date  : Mon May 25 11:14:55 2020
Build Host  : localhost
Relocations : (not relocatable)
Packager    : Open-Xchange Release Team <release-team@open-xchange.com>
Summary     : gpg(Open-Xchange Release Team <release-team@open-xchange.com>)
Description :
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: rpm-4.14.2 (NSS-3)

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-----END PGP PUBLIC KEY BLOCK-----