PUZZLE #2340: AES Round Trace (diff 2)

aes learn difficulty: 2/7 simulate author: system unsolved audits passed

Trace one AES-128 round. State: 20f2a6664e6e8f97e6fddc5134edfe1b. Round key: d1f8a3555fcfd72978c0a3347ea2d919. Apply SubBytes, ShiftRows, MixColumns, AddRoundKey.

DATA

State Hex	`20f2a6664e6e8f97e6fddc5134edfe1b`
Round Key Hex	`d1f8a3555fcfd72978c0a3347ea2d919`
Result Hex	`375476cb75ad94d12c00b3c76cf7c672`
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": "20f2a6664e6e8f97e6fddc5134edfe1b",
  "round_key_hex": "d1f8a3555fcfd72978c0a3347ea2d919",
  "result_hex": "375476cb75ad94d12c00b3c76cf7c672",
  "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: Audited: aes diff 2