The History and Mathematics of Codes and Code Breaking

Tag: Navajo Code Talkers

Not a Single Factor is Responsible for the Allied Success

Although Singh argues that the primary reason that the Allies had success over the Germans in the cryptographic war, I believe that this simplifies the argument way too much. While undoubtedly the Germans were overconfident in the security of the Enigma machine, this was only a problem when they became lazy and began to repeat messages, giving the Allied cryptanalysts a chance to  break their codes.

Perhaps one of the most overlooked parts of the Allied codebreaking success was the determination and resilience of the code-breakers, and on top of that how diverse they were. As a group consisting of people from so many different backgrounds, their different ways of approaching the deciphering were no doubt crucial in the Allies breaking the German codes. Furthermore, it can not be overstated how impressive the resilience of the codebreakers was. Most days they worked fruitlessly for hours upon hours in an attempt to crack the codes and got absolutely nowhere. And then as soon as the clock struck midnight all of their work from the day before was rendered useless and they had to start all over again. While this would drive most people mad, the Allied cryptanalysts continued to decipher day after day.

Finally, the Allied codes were so strong because of the rarity of the Navajo language. Trying to understand a language without any indication of what any words mean is nearly impossible and the Germans were certainly among those who discovered this. Furthermore, when they combined the language with code words it became impossible for the Germans to break it without capturing an actual Navajo who would be able to decipher the messages for them. This brilliant way to securely transmit messages for the Allies proved to be a crucial part in them winning the war.

Factors of Victory

Singh argues that German overconfidence in their Enigma was the main reason for Allied crypt analysts cracking the German’s monstrous cipher. However, if it were not for the involvement of the Polish in the cracking of early Enigma, the Allies would not have had valuable information to crack the cipher.

During the German invasion of Poland, Polish officials gave the British all the information they had on Enigma. This gave the British the head start they needed to further allowed crypt analysts at Bletchley Park to construct new Bombes and other methods to deconstruct the Enigma cipher. This eventually lead to innovations of technological breakthroughs such as the Colossus that ultimately helped end the war.

On another front of the war, the Americans started to use the Navajo language as a means of communication during WWII to help keep secure transmissions. This was a major stepping point for the Allies because the language was hard to make sense of due to conjugations, and it could be used quickly. Additionally, when plain text messages were hidden in another language and further encoded using other cryptographic methods, Navajo Coder Talk was borderline unbreakable. Because of all this, the Navajo Code Talkers were instrumental in pushing Americans to the Japanese coast in WWII.

Advancements made by the Allies in WWII echo their importance, even to this day. Without Polish involvement in the cracking of Enigma and the Navajo Code Talkers, the Axis powers would have had an overwhelming advantage in the war. Thanks to both of these key examples of cryptography, we can analyze their importance to give new perspectives to WWII.

Navajo Code Talkers — Beyond Encryption

Though German Overconfidence in Enigma was a key factor to their loss, another major impact was the Navajo Code Talkers. The Navajo Code Talkers success can be considered just as important and the code breaking of the Enigma. Without secure communications it is hard for the Allies to fight back in an organised manor. With the Navajo Code Talkers, the Allies were able to have some of the most secure communications in the war. What made the Navajo Code Talkers so important is the language they spoke and the amount of people who spoke it. The Navajo language is extremely rare as well as the people who speak it. With a rare unrecognizable language being introduced in the war the Allies had a huge advantage. This, in my opinion, can be considered a type of double encryption. The first layer being the Navajo language and the second being the encryption of it. The language had two flaws, the military jargon translations and its weakness to frequency analysis. These weaknesses were serious yet the code was still not broken. Considering how successful the Navajo Code Talkers were, the method as well as the encryption of the code must have been very secure. Thanks to the Navajo Code Talkers, the Allies were able to establish a secure line of communication.

The Navajo Code Talkers

A major reason for the Allied success during World War I was German overconfidence in the Enigma.  Because of their overconfidence, they were unaware that the British were deciphering their messages.  Although this played a large role, it is not the sole cause for the victory of the Allies.  In order to win the war, the Allies also had to have some defenses of their own.  One of these defenses came in the form of code.  The United States was in need for an impenetrable code so that its communications could be secure.  The answer came in the form of the Navajo, a Native American tribe.

The Navajo language is incredibly complex; it is unique and does not stem from any other language.  Singh quotes Philip Johnston, the mastermind behind using the Navajo language as code, “the Navajo tribal dialect is completely unintelligible to all other tribes and all other people.”  The United States government employed 420 Navajo code talkers.  With these code talkers, the United States had a secure means of communication, which allowed for them to prevent disasters from happening and anticipate potential threats.  After the war, the Japanese even admitted that they had not made a dent in breaking the Navajo code.

Having a secure code is vitally important.  This is evidenced by the German failure to keep a secure code.  Once the British had broken the Enigma, German communications were readily available to the Allies.  This allowed for the Allied forces to gain the upper hand.  On the other hand, with the United States having a secure code, the Allies were able to communicate without fear of German or Japanese decipherment.  The Germans and Japanese may have been able to intercept the messages, but without knowledge of the Navajo language, decipherment was essentially impossible.

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