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Symmetric encryption and guessing attacks

Author – Raluca Blidaru

In this posting I will be speaking through examples about a certain type of (in)security around the symmetric encryption: guessing attacks. Let’s start by defining the terms and the issue.

What is “symmetric encryption”? When the same password/passphrase is used for both encryption and decryption, then a method that is known as symmetric encryption, or symmetric-key encryption, is used. Symmetric algorithms, such as AES, 3DES, or BLOWFISH, are implemented to scramble the data and make it encrypted, or vice-versa, to make it readable after being encrypted. Passwords are used to generate the actual key that is further used to encrypt/decrypt the data.

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Published by raluca, on May 9th, 2015 at 10:40 pm. Filled under: GeneralNo Comments

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