Quotes About Secrecy

Hide it in a hiding place where no one ever goes Put it in your pantry with your cupcakes

In fact, Britain had captured thousands of Enigma machines, and distributed them among its former colonies, who believed that the cipher was as secure as it had seemed to the Germans. The British did nothing to disabuse them of this belief, and routinely deciphered their secret communications in the years that followed. Meanwhile

Rejewski had no idea of the day key, and he had no idea which message keys were being chosen, but he did know that they resulted in this table of relationships. Had

He took the messages to a local brewer, who wrapped them in a leather packet, which was then hidden inside a hollow bung used to seal a barrel of beer. The brewer would deliver the barrel to Chartley Hall, whereupon one of Mary's servants would open the bung and take the contents to the Queen of Scots. The process worked equally well for getting messages out of Chartley Hall.

It is quite possible that British Intelligence demanded that Babbage keep his work secret, thus providing them with a nine-year head start over the rest of the world.

Most of the codebreakers returned to their civilian lives, sworn to secrecy, unable to reveal their pivotal role in the Allied war effort. While those who had fought conventional battles could talk of their heroic achievements, those who had fought intellectual battles of no less significance had to endure the embarrassment of having to evade questions about their wartime activities.

Lyndon Johnson and Richard Nixon were guilty of unjustified wiretaps, and President John F. Kennedy conducted dubious wiretaps in the first month of his presidency.

The only people who are in a position to point out my errors are also those who are not at liberty to reveal them.

had the cipher machines been used properly—without repeated message keys, without cillies, without restrictions on plugboard settings and scrambler arrangements, and without stereotypical messages which resulted in cribs—it is quite possible that they might never have been broken at all.

the greatest tribute to the work of the Navajo is the simple fact that their code is one of very few throughout history that was never broken.

Jack Good, a veteran of Bletchley, commented: "Fortunately the authorities did not know that Turing was a homosexual. Otherwise we might have lost the war.

Secret communication achieved by hiding the existence of a message is known as steganography

Chinese wrote messages on fine silk, which was then scrunched into a tiny ball and covered in wax. The messenger would then swallow the ball of wax.

Figure 6 The science of secret writing and its main branches.

Správné použití kvalitní Å¡ifry je velkou pomocí pro obÄ› komunikující strany, avÅ¡ak nekorektní zacházení se slabou Å¡ifrou m?že vyvolat velmi faleÅ¡ný pocit bezpe?í.

Ã…â"¢íká se, že zkratka NSA ve skute?nosti znamená "Never Say Anything

copies were passed to the cryptanalysts, who sat in little kiosks, ready to tease out the meanings of the messages. As well as supplying the emperors of Austria with invaluable intelligence, the Viennese Black Chamber sold the information it harvested to other powers in Europe. In 1774 an

Stát, který v??í, že není správné ?íst cizí dopisy, ?asem za?ne v??it i tomu, že jeho korespondenci také nikdo ne?te...

NaÅ¡tÄ›stí nahoÃ…â"¢e nevÄ›dÄ›li, že Turing je homosexuál, jinak bychom také mohli prohrát válku.

Each member of the school was forced to swear an oath never to reveal to the outside world any of their mathematical discoveries.

Even after Pythagoras's death a member of the Brotherhood was drowned for breaking his oath—he publicly announced the discovery of a new regular solid, the dodecahedron, constructed from twelve regular pentagons.

Kolem roku 1790, když byla ratifikována Listina svobod, mohl soukromÄ› mluvit kdokoliv s kýmkoliv - s jistotou, jakou už dnes nemá nikdo - prostÄ› tak, že popoÅ¡el po cestÄ› kousek od ostatních a podíval se, jestli se nÄ›kdo neskrývá v keÃ…â"¢ích.

Lidé zapojení do debaty o Å¡ifrování jsou vesmÄ›s inteligentní, ?estní a jsou pro depozici klí??, ale nikdy nemají více než dvÄ› tyto vlastnosti najednou.

significance of the key, as opposed to the algorithm, is an enduring principle of cryptography. It was definitively stated in 1883 by the Dutch linguist Auguste Kerckhoffs von Nieuwenhof in his book La Cryptographie militaire: "Kerckhoffs' Principle: The security of a cryptosystem must not depend on keeping secret the crypto-algorithm. The security depends only on keeping secret the key.