There is only one way to end this.
MESSAGE
12 01 07 12 4C 0D 53 43 12 44 23 08 0D 09 09 01 12 59 46 45 66 0C 00 05 05 0B 55 1E
๐ Key
30 6C 46 32 65 36 69 61 6E 6C
HINT: ASCII
๐ Enter the key to reveal the hidden message
โ wrong key, try again
๐ Hidden message
โ key required โ