Attacks Against Cryptography

The main task of cryptography is to maintain the confidentiality of the plaintext or keys or both of the tapper. Tappers trying to get the data used for activities cryptanalysis. Bugs can also be called as a kriptanalis. Another term for the opposite side is a message intruder (intruder), attacker (attacker), the enemy (enemy, adversaries), or interceptor (interceptor).
There are several types of attacks directed against cryptographic systems. The meaning of the attack (attack) is any attempt (attempt) or an experiment conducted by kriptanalis to find the key or plaintext from cipherteksnya.
As was explained earlier that the cryptanalysis aims to solve the original ciphertext into plaintext without having access to the keys that will be used. Kriptanalis trying to find the key weaknesses and reveal the plaintext.
In discussing the attacks on cryptography, always assume kriptanalis know the cryptographic algorithms used, so that the only safety system is located entirely on the key cryptography. This is based on the principle of Kerckhoff (1883), which reads "All cryptographic algorithms should be public, only the secret key. "

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