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AES (Advanced Encryption Standard) is a symmetrical block-cipher algorithm with a 128-bit block size, and key sizes of 128, 192 or 256 bits.

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Finding IV in AES-128 having partial Key and plaintext

The cipher algorithm is AES (I think 128). As I said, both the Key and the IV are 16 char long, the plaintext is exactly 32 char long and the cyphertext produced is 64. …
giacom0c's user avatar
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Finding IV in AES-128 having partial Key and plaintext

The way to solve the problem is the following: Bruteforcing the last 2 elements of the key. With that key, trying to decrypt the second block of the ciphertext. XORing that result with the second bl …
giacom0c's user avatar
  • 101