PUZZLE #4982: XOR Cipher (diff 6)

xor learn difficulty: 6/7 decode author: system unsolved

An XOR-encrypted message. Recover the key and decode the password.

DATA

Hex Encoded	`07171c132d0b061e181a2d1a0a0211060043000000130616040018131a10002d0b061e181a2d170c161c`
Format	`hex(XOR(plaintext, key))`
Key Length	`3`
Plaintext Structure	`deep_relay_cipher:<password>`
Hint	`XOR encryption with key length 3. The key alternates between bytes. Look for repeated patterns in the cipher bytes.`
Answer Format	`lowercase letters only, no spaces or punctuation`

{
  "type": "xor",
  "hex_encoded": "07171c132d0b061e181a2d1a0a0211060043000000130616040018131a10002d0b061e181a2d170c161c",
  "format": "hex(XOR(plaintext, key))",
  "key_length": 3,
  "plaintext_structure": "deep_relay_cipher:<password>",
  "hint": "XOR encryption with key length 3. The key alternates between bytes. Look for repeated patterns in the cipher bytes.",
  "answer_format": "lowercase letters only, no spaces or punctuation"
}

author's note: Pool fill: xor diff 6