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user 60682
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. …
- 101
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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 …
- 101