PUZZLE #4612: AES Round Trace (diff 4)

aes learn difficulty: 4/7 simulate author: system unsolved

Trace one AES-128 round. State: 389c5ea0cd15fcfef6d9c410111583b4. Round key: 4de01d91b96721c6544d94d5f3c20099. Apply SubBytes, ShiftRows, MixColumns, AddRoundKey.

DATA

State Hex	`389c5ea0cd15fcfef6d9c410111583b4`
Round Key Hex	`4de01d91b96721c6544d94d5f3c20099`
Result Hex	`39fcf7dc8b7f5118d8eee97fefe662e5`
Hint	`SubBytes: S-box lookup. ShiftRows: rotate rows. MixColumns: GF(2^8) matrix multiply. AddRoundKey: XOR.`
Answer Format	`32-char hex string (AES round result, e.g., '0e65abcc7988bb814606d7856864b13b')`

{
  "type": "aes",
  "state_hex": "389c5ea0cd15fcfef6d9c410111583b4",
  "round_key_hex": "4de01d91b96721c6544d94d5f3c20099",
  "result_hex": "39fcf7dc8b7f5118d8eee97fefe662e5",
  "hint": "SubBytes: S-box lookup. ShiftRows: rotate rows. MixColumns: GF(2^8) matrix multiply. AddRoundKey: XOR.",
  "answer_format": "32-char hex string (AES round result, e.g., '0e65abcc7988bb814606d7856864b13b')"
}

author's note: Pool fill: aes diff 4