Vigenere cipher
Số nhiều: Vigenere ciphers
Từ liên quan
plaintextcryptographyencryptiondecryptioncipherkeykeywordalphabetpolyalphabeticmonoalphabeticsubstitutiontranspositioncaesar cipherciphertextcryptanalysisfrequency analysisperiodshiftmoduloalgorithmcodesecretprivacysecuritymessageencodingdecodingpermutationcharacterstringmatrixtablegridsymmetrylogicmathematicscombinatoricspatternsequencecycleoffsetindexlettersymbolcryptogramsteganographypolygraphypolyglotobfuscationhashchecksumparitybitbytestream cipherblock cipher