Black n white – Misc (100 + 0)

Joey got this odd text from The Gibson. Can you find out what it means?

Solves: 19

Download: http://dl.ctf.rocks/baw.tar.gz

Author: SecureLink / klondike

xxd chall.txt can see there are 16 types of space hidden in the file.

00000000: 49e2 8083 6379 6265 726e 6565 64e2 8082  I...cyberneed...
00000010: 746f e280 8468 6379 6265 7261 7665 e280  to...hcyberave..
00000020: 866d 6f72 65e2 8084 6379 6265 7273 e280  .more...cybers..
00000030: 836f 6ee2 8080 6d79 c2a0 6379 6265 726c  .on...my..cyberl
00000040: 6966 652e 0a49 e280 8463 7962 6572 6861  ife..I...cyberha
00000050: 7665 e280 8173 6fe2 8085 6379 6265 726c  ve...so...cyberl
00000060: 6974 746c 65e2 8087 6379 6265 7273 2ce2  ittle...cybers,.
00000070: 8084 6d79 e280 8063 7962 6572 6c69 6665  ..my...cyberlife
00000080: e280 8469 73e2 8083 736f e280 8563 7962  ...is...so...cyb
00000090: 6572 7361 64e2 8080 7769 7468 6f75 74e2  ersad...without.
000000a0: 8084 7468 656d e280 8963 7962 6572 732e  ..them...cybers.
000000b0: 0a42 6563 6175 7365 e280 8463 7962 6572  .Because...cyber
000000c0: e280 8369 73e2 8085 7468 65e2 8087 6379  ...is...the...cy
000000d0: 6265 7266 7574 7572 652c e280 8063 7962  berfuture,...cyb
000000e0: 6572 7061 7374 c2a0 616e 64e2 8084 6379  erpast..and...cy
000000f0: 6265 7270 7265 7365 6e74 e280 876f 66e2  berpresent...of.
00000100: 8085 6379 6265 722e 0a4d 79e2 8081 6379  ..cyber..My...cy
00000110: 6265 7262 6f73 73e2 8080 6379 6265 726b  berboss...cyberk
00000120: 6e6f 7773 c2a0 6974 e280 8363 7962 6572  nows..it...cyber
00000130: 7765 6c6c 2ce2 8081 796f 752b 6379 6265  well,...you+cybe
00000140: 723d 6379 6265 722e e280 8243 7962 6572  r=cyber....Cyber
00000150: 7472 7565 3f0a 536f e280 836c 6574 2773  true?.So...let's
00000160: e280 8263 7962 6572 2ce2 8081 6265 6361  ...cyber,...beca
00000170: 7573 65e2 8083 7769 7468 e280 8263 7962  use...with...cyb
00000180: 6572 656e 6f75 6768 e280 8563 7962 6572  erenough...cyber
00000190: e280 8974 6865 e280 8263 7962 6572 e280  ...the...cyber..
000001a0: 8763 7962 6572 6265 636f 6d65 73e2 8083  .cyberbecomes...
000001b0: 6379 6265 726d 6f72 65e3 8080 6379 6265  cybermore...cybe
000001c0: 72e2 8083 616e 64e2 8080 7468 7573 e280  r...and...thus..
000001d0: 8277 65e2 8083 6379 6265 72e2 8082 616c  .we...cyber...al
000001e0: 6ce1 9a80 6379 6265 7274 6f67 6574 6865  l...cybertogethe
000001f0: 722e 0a49 276d e280 8263 7962 6572 6c6f  r..I'm...cyberlo
00000200: 6f6b 696e 67e2 808a 666f 72e2 8082 6d79  oking...for...my
00000210: e280 8a63 7962 6572 6b65 79e2 8083 6279  ...cyberkey...by
00000220: e280 8774 6865 e280 8363 7962 6572 7761  ...the...cyberwa
00000230: 792c e380 8049 e280 8263 7962 6572 6c6f  y,...I...cyberlo
00000240: 7374 e280 8a69 74e2 8082 6f6e e380 8074  st...it...on...t
00000250: 6865 e280 8363 7962 6572 6361 6665 e280  he...cybercafe..
00000260: 8461 6e64 e280 8274 6865 e280 8363 7962  .and...the...cyb
00000270: 6572 636f 7073 e280 8363 7962 6572 6861  ercops...cyberha
00000280: 7665 6e27 74e3 8080 6379 6265 7268 656c  ven't...cyberhel
00000290: 7065 64e2 8083 6d65 e280 8363 7962 6572  ped...me...cyber
000002a0: 6669 6e64 e280 8269 74e2 819f 6379 6265  find...it...cybe
000002b0: 7262 6163 6b2e 0a49 276d e280 8273 6fe2  rback..I'm...so.
000002c0: 8087 6379 6265 7273 6164 e280 8263 7962  ..cybersad...cyb
000002d0: 6572 6265 6361 7573 65e2 8081 6d79 e280  erbecause...my..
000002e0: 8263 7962 6572 6b65 79e3 8080 6973 e280  .cyberkey...is..
000002f0: 8263 7962 6572 676f 6e65 2e0a 4275 74e2  .cybergone..But.
00000300: 8082 6174 e280 826c 6561 7374 e280 8349  ..at...least...I
00000310: e280 8563 7962 6572 6861 7665 e280 af6d  ...cyberhave...m
00000320: 79e2 8080 6379 6265 7268 6f70 65c2 a074  y...cyberhope..t
00000330: 6861 74e2 8084 49e2 8080 7769 6c6c e280  hat...I...will..
00000340: 8463 7962 6572 6765 74e2 8083 6d79 e280  .cyberget...my..
00000350: 8463 7962 6572 6b65 79e2 8081 6379 6265  .cyberkey...cybe
00000360: 7262 6163 6b2e 0a43 7962 6572 616e 7977  rback..Cyberanyw
00000370: 6179 732c e280 8477 6879 e19a 8061 6de2  ays,...why...am.
00000380: 8085 49e2 8083 6379 6265 7277 7269 7474  ..I...cyberwritt
00000390: 696e 67e2 8085 7468 6973 e280 8163 7962  ing...this...cyb
000003a0: 6572 7465 7874 3fe2 8084 49e2 8083 6379  ertext?...I...cy
000003b0: 6265 7268 6176 65e2 8080 6379 6265 7272  berhave...cyberr
000003c0: 6561 6c6c 79c2 a06e 6fe2 8085 6379 6265  eally..no...cybe
000003d0: 7263 6c75 652e e280 834d 6179 6265 e280  rclue....Maybe..
000003e0: 846d 79e2 819f 6379 6265 7273 e280 8467  .my...cybers...g
000003f0: 6f74 e280 8763 7962 6572 6174 7461 636b  ot...cyberattack
00000400: 6564 e280 8461 6e64 e280 8163 7962 6572  ed...and...cyber
00000410: 6c65 616b 6564 e280 8474 6fe3 8080 7468  leaked...to...th
00000420: 65e2 8084 6379 6265 7277 6f72 6c64 2e0a  e...cyberworld..
00000430: 5468 6579 e280 8263 7962 6572 7361 79e2  They...cybersay.
00000440: 8084 4927 6de2 8083 6379 6265 726d 6164  ..I'm...cybermad
00000450: 2ce2 8080 6275 74c2 a069 7427 73e2 8084  ,...but..it's...
00000460: 6379 6265 7261 6c6c e280 8763 7962 6572  cyberall...cyber
00000470: 6c69 6573 2ee2 8085 4927 6de2 8081 6379  lies....I'm...cy
00000480: 6265 7273 616e 6521 0a4f 6868 e280 8077  bersane!.Ohh...w
00000490: 656c 6c2c c2a0 6974 e280 8564 6f65 736e  ell,..it...doesn
000004a0: 2774 e280 8163 7962 6572 6d61 7474 6572  't...cybermatter
000004b0: 2ee2 8084 4927 6de3 8080 6379 6265 7270  ....I'm...cyberp
000004c0: 6f77 6572 6675 6ce2 8080 6379 6265 7261  owerful...cybera
000004d0: 6e79 7761 7973 c2a0 616e 64e2 8084 7468  nyways..and...th
000004e0: 6f73 65e2 8081 6379 6265 7270 756e 79e2  ose...cyberpuny.
000004f0: 8085 6379 6265 7270 656f 706c 65e2 8087  ..cyberpeople...
00000500: 6361 6e27 74e2 8084 6379 6265 7264 6fe2  can't...cyberdo.
00000510: 8080 6379 6265 7261 6e79 7468 696e 67e2  ..cyberanything.
00000520: 8084 6379 6265 7261 626f 7574 e280 8369  ..cyberabout...i
00000530: 7421 0a43 7962 6572 6265 6361 7573 65e2  t!.Cyberbecause.
00000540: 8085 6d79 e280 8063 7962 6572 6e61 6d65  ..my...cybername
00000550: e280 8469 73e2 8081 6379 6265 72e2 8084  ...is...cyber...
00000560: 7468 65e3 8080 6379 6265 7263 6f6e 7175  the...cyberconqu
00000570: 6572 6f72 e280 846f 66e3 8080 6379 6265  eror...of...cybe
00000580: 7277 6f72 6c64 73e2 8084 616e 64e2 808a  rworlds...and...
00000590: 7468 65e2 8080 6379 6265 7270 6c75 6e64  the...cyberplund
000005a0: 6572 6572 e19a 806f 66c2 a079 6f75 72e2  erer...of..your.
000005b0: 8088 6379 6265 7273 2066 726f 6d20 796f  ..cybers from yo
000005c0: 7572 2063 7962 6572 7365 7276 6572 732e  ur cyberservers.
000005d0: 0a

Python is the best!

import re
def pairwise(iterable):
    "s -> (s0, s1), (s2, s3), (s4, s5), ..."
    a = iter(iterable)
    return zip(a, a)
raw = open('BnW.txt', 'rb').read()
temp = []
secret = []
for d in raw:
    if (d >= 0x80 or d 0:
        temp2.append(t)
s={
'e19a80':'OGHAM SPACE MARK',
'e28080':'EN QUAD',
'e28081':'EM QUAD',
'e28082':'EN SPACE',
'e28083':'EM SPACE',
'e28084':'THREE-PER-EM SPACE',
'e28085':'FOUR-PER-EM SPACE',
'e28086':'SIX-PER-EM SPACE',
'e28087':'FIGURE SPACE',
'e28088':'PUNCTUATION SPACE',
'e28089':'THIN SPACE',
'e2808a':'HAIR SPACE',
'e280af':'NARROW NO-BREAK SPACE',
'e38080':'IDEOGRAPHIC SPACE',
'e2819f':'MEDIUM MATHEMATICAL SPACE',
'c2a0':'Non-breaking space'
}
i = 0
for ss in sorted(s.keys()):
    for n,k in enumerate(temp2):
        if k == ss:
            temp2[n] = hex(i)[2:]
    i = i + 1
for h,l in pairwise(temp2):
    secret.append(bytearray.fromhex('%s%s'%(h,l)))
print(b''.join(secret))

flag: The cyberkey is SECT{I_REALLY_LOVE_UNICODE} because unicode is so cybercool!\n