Cybersicherheitsforschung : Hilflos gegen Quantenattacken
Ein großer Teil des Datentransfers im Internet ist verschlüsselt, doch Quantencomputer könnten dem ein Ende bereiten. Wieso heutige Verschlüsselung so anfällig gegen Quantencomputer ist und was die Post-Quantenkryptografie dagegen tun will.
von Sabrina Patsch
veröffentlicht am
Jdi lbn, tbi voe tjfhuf. Dies ist kein Kauderwelsch, sondern eine verschlüsselte Botschaft. Diese hier können Menschen noch selbst entziffern, mit ein wenig Knobelei. Aber an komplexeren Chiffren, wie sie beim Übertragen von Nachrichten übers Internet benutzt werden, scheitern selbst die leistungsfähigsten Computer. Aber womöglich nicht mehr lange. Mit Quantencomputern könnten plötzlich alle Passwörter, jede Codierung, jedes Verschlüsselungsverfahren knackbar sein.
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