|q7«, ., De p Uun cboioilloo* f07* - De vaais abeo Tbcniibua. inferioii, reoali, axygoa, ven U lombaribo* CIC commanica Uune Do^doccoo thofodci Viiktionibni. Atbash is an ancient encryption system created in the Middle East. The Atbash cipher is a simple substitution cipher that relies on transposing all the letters in the alphabet such that the resulting alphabet is backwards.The first letter is replaced with the last letter, the second with the second-last, and so on.When encrypting, a person looks up each letter of the message in the 'plain' line and writes down the corresponding letter in the 'cipher' line. The encryption can also be represented using modular arithmetic by first transforming the letters into numbers, according to the scheme, A = 0, B = 1,..., Z = 25.Encryption of a letter x by a shift n can be described mathematically as Plaintext: Decryption is performed similarly, (There are different definitions for the modulo operation. I.e., if x n or x-n are not in the range 0...25, we have to subtract or add 26.) Read more ... ^oi ' COI\PO[\IS HUM AM FABRICA, Di L EJUS FUKCTIONIBUS IN AGUNT, De grsvltata apccifica eorpot la* 90.
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Applying ROT13 to a piece of text merely requires examining its alphabetic characters and replacing each one by the letter 13 places further along in the alphabet, wrapping back to the beginning if necessary.
A becomes N, B becomes O, and so on up to M, which becomes Z, then the sequence continues at the beginning of the alphabet: N becomes A, O becomes B, and so on to Z, which becomes M.I y Google I d by Google -lb"'- d by Google ]/ :j I ;: o T ':.