For this key, you have both the public and the secret part. You may use it as a personal key. If this key was given to you by someone else, then don't use it as a personal key.
Za tutón kluč maće zjawny a tajny dźěl. Móžeće jón jako wosobinski kluč wužiwać. Jeli něchtó druhi je tutón kluč podał, njewužiwajće jón jako wosobinski kluč.