What Is A Cipher? A Complete Overview
What Is A Cipher? A Complete Overview
89.2K viewsSep 7, 2022
intellipaat.com
One may argue that if the plaintext does not repeat, using the same IV is safe. Let us look at the OutputFeedback (OFB) mode. Assume that the attacker gets hold of a plaintext (P1) and a ciphertext (C1),can he/she decrypt other encrypted messages if the IV is always the same? You are given the followinginformation, please try to figure out the actual content of P2 based on C2, P1, and C1.Plaintext (P1): This is a known message!Ciphertext (C1): a469b1c502c1cab96696550425438e1bb1b5f9037a4c159Plain
One may argue that if the plaintext does not repeat, using the same I…
Nov 25, 2023
numerade.com
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