Cryptanalysis is the art of deciphering encrypted communications without knowing the proper keys. Some of the more important cryptanalytic techniques are: Cipher text only attack: This is the situation where the attacker does not know anything about the contents of the ...

Attempting to decrypt data by merely guessing the decryption key (symmetric key or private key); trying one key after another is called a brute-force attack. The length of a key determines the number of possible key values, and the number of possible values determines how easily a ...