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The Atbash cipher is a particular type of monoalphabetic cipher formed by taking the alphabet (or abjad, syllabary, etc.) and mapping it to its reverse, so that the first letter becomes the last letter, the second letter becomes the second to last letter, and so on. For example, the Hebrew alphabet would work like this:
In cryptography, a Caesar cipher, also known as Caesar's cipher, the shift cipher, Caesar's code, or Caesar shift, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter some fixed number of positions down the alphabet .
This is an accepted version of this page This is the latest accepted revision, reviewed on 3 March 2025. Letter names for unambiguous communication Not to be confused with International Phonetic Alphabet. Alphabetic code words A lfa N ovember B ravo O scar C harlie P apa D elta Q uebec E cho R omeo F oxtrot S ierra G olf T ango H otel U niform I ndia V ictor J uliett W hiskey K ilo X ray L ima ...
The Cyrillic alphabet and Russian spelling generally employ fewer diacritics than those used in other European languages written with the Latin alphabet. The only diacritic, in the proper sense, is the acute accent ́ (Russian: знак ударения 'mark of stress'), which marks stress on a vowel, as it is done in Spanish and Greek.
K2 Cipher: In this type, the ciphertext is generated using a keyed ciphertext alphabet. The ciphertext alphabet is rearranged according to a keyword, which then replaces the plaintext letters. K3 Cipher: This variation uses both a keyed plaintext and a keyed ciphertext alphabet, but the same keyword is used for both.
The Ukrainian alphabet ... "Code for information interchange 8 bit — Ukrainian", analogous to "ASCII". KOI8-U is a Ukrainianized version of ...
The use of a larger alphabet produces a more thorough obfuscation than that of ROT13; for example, a telephone number such as +1-415-839-6885 is not obvious at first sight from the scrambled result Z'\c`d\gbh\eggd. On the other hand, because ROT47 introduces numbers and symbols into the mix without discrimination, it is more immediately obvious ...
In 2012 Backwards Dave appeared on Channel 7's Sunrise, an Australian TV show. [5] During the opening theme song for Gravity Falls, a whisper is heard saying, "I'm still here." However, if one reverses it, it says, "Three Letters Back", which is a clue to the ending credits code.