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The code was adopted as the European standard in 1865, and was known at first as "Continental Morse," although as its use spread it also became known as "International Morse." At this point the original Morse Code started to be called American Morse, to differentiate between the two main standards.
The Copiale cipher is a substitution cipher.It is not a 1-for-1 substitution but rather a homophonic cipher: each ciphertext character stands for a particular plaintext character, but several ciphertext characters may encode the same plaintext character.
Study of the decree was already underway when the first complete translation of the Greek text was published in 1803. Jean-François Champollion announced the transliteration of the Egyptian scripts in Paris in 1822; it took longer still before scholars were able to read Ancient Egyptian inscriptions and literature confidently. Major advances ...
The code is also known as the "Contra Code" and "30 Lives Code", since the code provided the player 30 extra lives in Contra. The code has been used to help novice players progress through the game. [10] [12] The Konami Code was created by Kazuhisa Hashimoto, who was developing the home port of the 1985 arcade game Gradius for the NES.
Top Secret is the highest level of classification. However some information is further categorized/marked by adding a code word so that only those who have been cleared for each code word can see it. A document marked SECRET (CODE WORD) could be viewed only by a person with a secret or top secret clearance and that specific code word clearance.
The stated purpose of the puzzles each year was to recruit "highly intelligent individuals", although the ultimate purpose remains unknown. [2] Theories have included claims that Cicada 3301 is a secret society with the goal of improving cryptography, privacy, and anonymity or that it is a cult or religion.
Top Secret is the highest level of classified information. [4] Information is further compartmented so that specific access using a code word after top secret is a legal way to hide collective and important information. [5] Such material would cause "exceptionally grave damage" to national security if made publicly available. [6]
The same image viewed by white, blue, green, and red lights reveals different hidden numbers. Steganography (/ ˌ s t ɛ ɡ ə ˈ n ɒ ɡ r ə f i / ⓘ STEG-ə-NOG-rə-fee) is the practice of representing information within another message or physical object, in such a manner that the presence of the concealed information would not be evident to an unsuspecting person's examination.