Relier Pairs Security+ Key StretchingVersion en ligne This will help with Comptia Security+ Key Stretching concepts par Brody Campbell 1 Based on blowfish block cipher Used in linux to encrypt shadow file Salts the password before encrypting with blowfish 60 Character string Can also pepper the salt 2 Can help thwart ______ and _______ attacks. 3 Uses salts of at least 64-bit Uses pseudo-random functions like HMAC to protect passwords Used by WPA2 Can send it through the process over 1000 times Common bit sizes of 128 / 256 / 512 More susceptible to brute force 4 Key stretching uses _______ to add additional bits to the hash 5 The 2 common key stretching techniques are: __________ and __________ Rainbow table & brute force PBKDF2 salting bcrypt bcrypt & PBKDF2
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