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Results tagged with cbc
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user 30202
Cipher block chaining (CBC) is a method for encrypting large amounts of data with a block cipher that can only encrypt fixed length plaintexts. When used with an unpredictable initialization vector (IV), it is secure against chosen plaintext attacks (CPA-secure).
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AES key equal to IV (CBC mode)
Application uses AES in CBC mode with 128 bit key. In this implementation key is always same and is equal to IV.
Can attacker get the key or decrypt data? …
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