Suchergebnisse für „25“

Many color laser printers add tiny yellow dots to each page they print. These dots encode a timestamp, the printer serial number and potentially additional information. Although these dot codes have been around for at least 25 years, not much is publicly known about them.

Cicada 3301 is an internet game operated by a secret organisation since 2012. A new round always starts on January 4 of a year. Will round number six be launched tomorrow?

Just like every end of year, I am awarding the Golden Alice for outstanding achievements in the field of crypto history.

The last crypto challenge I’m going present in 2016 was created by master-codebreaker Tony Gaffney. Can you solve his starlight steganogram?

Enigmas are getting more and more expensive. In New York, a four rotor naval Enigma has now sold for almost half a million dollars.

William Friedman, one of the most notable cryptologists in history, used a 16th century stegnography system to hide messages in pictures. Some of his codes are hard to decrypt. Maybe a reader can help.

Weitere Episoden gibt es hier (Twitter). Folge 1 Folge 2 Folge 3 Folge 4 Folge 5 Folge 6 Folge 7 Folge 8 Folge 9 Folge 10 Episode 11 Episode 12 Episode 13 Episode 14 Folge 15 Folge 16 Folge 17

For more episodes check here (Twitter). Episode 1 Episode 2 Episode 3 Episode 4 Episode 5 Episode 6 Episode 7 Episode 8 Episode 9 Episode 10 Episode 11 Episode 12 Episode 13 Episode 14 Episode 15 Episode 16 Episode 17

The first Enigma models were complex and expensive. Only when Enigma inventor Arthur Scherbius simplified the design of his machine it became practicable.

While in New York Carlsen and Karyakin are playing their final games, I am going to present three (alleged) secret codes related to chess.