security - the state of being free from danger or threat., encryption - the process of converting information or data into a code, especially to prevent unauthorized access., cipher - a secret or disguised way of writing; a code., decryption - a process that transforms encrypted information into its original format, cracking - to succeed in finding a solution to a problem:, caesar - replaced each letter of the alphabet with the letter occurring three positions later or 23 positions earlier in the alphabet:, pigpen - The pigpen cipher is a geometric simple substitution cipher, which exchanges letters for symbols which are fragments of a grid, vigenere - is a method of encrypting alphabetic text where each letter of the plaintext is encoded with a different Caesar cipher, whose increment is determined by the corresponding letter of another text, the key., morse - an alphabet or code in which letters are represented by combinations of long and short light or sound signals.,

encryption and ciphers

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