Decrypted US Magearna QR Notes

FF FF FF FF 02 00 21 03 00 00 02 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 E6 B5 DD AA 4E 3F E2 01
50 4F 4B 45 05 00 00 00 00 00 00


0xFFFFFFFF: constant for all QR codes
0x0002: Region specifier bitflags (01 = Japan, 02 = US, FFFF = regionfree, etc)
0x0321: Magearna's species (not that it matters, hardcoded to be overwritten on read)
0x0002: Magearna is genderless.

E6 B5 DD AA 4E 3F E2 01: SHA1(data[:0x58])[:0x6]. For verification.

50 4F 4B 45: "POKE", magic number visible in encrypted data for validation.
05: Type of QR code is 5 (Special Magearna event).