Each download from this Repository provides a GPG signature file to confirm the download's integrity and Lenovo's Authenticity.
Procedure
- Obtain Open Source GnuPG tool. This tool is included on almost all Linux installations.
- The free Microsoft Windows version of the tool is available here: https://gpg4win.org/download.html
- Install the tool on Microsoft Windows workstation or server used to confirm file.
- Download and import the Lenovo Data Center Group Public key into the GPG checking workstation or server. Each download within a single repository bundle uses the same Public Key. Lenovo changes the Public Key on a yearly basis.
- The URL to download Public Side required to confirm the bundle's downloads is provided here.
- Import the Public Key into your workstation or server's key repository.
> gpg.exe --import public_key.txt
- Confirm Public Key fingerprint
> gpg.exe --list-keys --fingerprint
The 40-digit hexadecimal number provided should exactly match fingerprint provided on Public Key download page noted above.
- Mark the key as verified
> gpg.exe --edit-key fingerprint of key
gpg> trust
Your decision? 5
Do you really want to set this key to ultimate trust? (y/N) y
gpg> quit
>gpg.exe --list-keys --fingerprint
Key uid should now have [ultimate] prefix
- Verification of download
- Download bundle file
- Download bundle's
Lenovo Authenticity Signature file
- Verify download
>gpg.exe --verify bundle_signature_file bundle_file
The gpg tool replying with Good Signature indicates that tested file downloaded without error is authentictly provided by Lenovo.
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