PUZZLE #5222: XOR Cipher (diff 7)

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

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

DATA

Hex Encoded	`100017043a001109130d3a111d151a111748000000190c1c15092d11061a1b3a111b0b141d171f15111b1b0b2d170a1611`
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": "100017043a001109130d3a111d151a111748000000190c1c15092d11061a1b3a111b0b141d171f15111b1b0b2d170a1611",
  "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 7