It's probably the IV. -- Erwann ABALEA
Le 08/03/2013 16:55, Tayade, Nilesh a écrit :
On performing the AES128 decryption, I see the decrypted data is preceded by a block of 16bytes. E.g. Below, 0x48 to 0x5a is the extra 16bytes block. And the actual 'GET' request starts from 0x47 onwards. 48 3f c4 99 fa f0 75 0e 51 b8 3b 58 aa 1f 4a 5a 47 45 54 20 2f 20 48 54 54 50 2f 31 2e 31 0d 0a ... 5b 28 c4 52 4e f9 53 2c 08 04 94 04 04 04 04 04 There is a padding of 5bytes in the end, which I can detect. Any pointers on how to detect the initial 16bytes block? This causes the output to be some junk followed by actual data.
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