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For Python 3, you can use the method str.maketrans() text = "this is an example without capital letters" my_rot13 = str . maketrans ( "abcdefghijklmnopqrstuvwxyz" , "nopqrstuvwxyzabcdefghijklm" ) print ( text . translate ( my_rot13 )) # guvf vf na rknzcyr jvgubhg pncvgny yrggref
In the history of cryptography, the Nihilist cipher is a manually operated symmetric encryption cipher, originally used by Russian Nihilists in the 1880s to organize terrorism against the tsarist regime.
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 .
Edward Larsson's rune cipher resembling that found on the Kensington Runestone.Also includes runically unrelated blackletter writing style and pigpen cipher.. In cryptography, a cipher (or cypher) is an algorithm for performing encryption or decryption—a series of well-defined steps that can be followed as a procedure.
The forged nomenclator message used in the Babington Plot A French nomenclator code table One once-common variant of the substitution cipher is the nomenclator . Named after the public official who announced the titles of visiting dignitaries, this cipher uses a small code sheet containing letter, syllable and word substitution tables ...
The pigpen cipher uses graphical symbols assigned according to a key similar to the above diagram. [1]The pigpen cipher (alternatively referred to as the masonic cipher, Freemason's cipher, Rosicrucian cipher, Napoleon cipher, and tic-tac-toe cipher) [2] [3] is a geometric simple substitution cipher, which exchanges letters for symbols which are fragments of a grid.
Then one can read off the plaintext down the first column, diagonally up, down the next column, and so on. If L {\displaystyle L} is not a multiple of 2 ( N − 1 ) {\displaystyle 2(N-1)} , the determination of how to split up the ciphertext is slightly more complicated than as described above, but the basic approach is the same.
Image of Bacon's cipher. Bacon's cipher or the Baconian cipher is a method of steganographic message encoding devised by Francis Bacon in 1605. [1] [2] [3] In steganograhy, a message is concealed in the presentation of text, rather than its content.