Our Christmas Cipher Quiz
We love ciphers!
So, when you have finished playing with your new gadget, and the kids are happy playing with their new toys, why don't you have a go at our Christmas Cipher Challenge?
- Find the hidden place from this Pigpen cipher:
The cipher code is:
2. A piece of malware hides its code by obfuscating its strings. What does the following piece of code represent:
var e=String.fromCharCode(0x53,0141,0x66,0x61,0x72,105);
3. Using the homomorphic cipher given below. Which US state is this:
09 95 96 58 02 51 31
4. Mary Queen of Scots has identified a Scottish city. Which one is it:
Here is her cipher:
5. Which company is represented here:
6. The Caesar code involves shifting the alphabet by a number of places, which is the part of the body which is represented by the cipher of:
UHEFY
7. For the Bacon cipher given below, what is the message for a code of:
ABAAB AABAA ABBAA BAABA BAABB AAABA ABAAB BABBA
8. A rail code involves defining a number of rails and then adds the characters in sequence. For example, we can use three rails for:
WE ARE DISCOVERED. FLEE AT ONCE
Gives:
W . . . E . . . C . . . R . . . L . . . T . . . E . E . R . D . S . O . E . E . F . E . A . O . C . . . A . . . I . . . V . . . D . . . E . . . N . .
Which gives:
WECRL TEERD SOEEF EAOCA IVDEN
What is the message for a rail code of three rails for:
WDTUE LOEOO LNY
9. Which football team is this:
QNAJWUTTQ
10. For the Morse Code table given below, what is the message for the following:
(·—) (·—··) (—) (·) (·—·) (—·) (·—) (—) (··) (···—) (·)
11. The Atbash code involves inverting the alphabet. Which country is likely to be identified by the following code:
URMOZMW
12. Where would you find the alphabet of "123456789ABCDEFGHJKLMN
PQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"?
13. Which word is this:
and here is the coding:
14. Which word is this:
and here is the coding:
15. Which word is this:
and here is the cipher:
16. Which is the value represented here:
and here's the cipher:
17. Find the secret word:
and the cipher here:
18. Which word is represented here:
Wol-la-chee Be Be Gah Dzeh Dibeh Dibeh
And the cipher here:
19. Can you find the secret word:
14 15 32 45 11
and the cipher is:
20. Alice sees these codes on a wall. What is the word?
Cipher:
21. Alice thinks this message uses Huffman Coding. Can you determine the message?
001001101011011000110011101011101011010
and she has analysed the code to give:
Symbol Weight Huffman Code
287 111
e 167 000
a 95 0101
i 110 1010
n 90 0100
o 106 0111
s 107 1001
t 116 1011
c 43 00101
d 50 01101
h 44 00110
l 70 11010
m 56 10001
p 44 00111
r 84 11011
u 47 01100
b 20 001000
f 23 001001
g 28 110000
y 26 100001
, 18 1100110
. 15 1100010
k 17 1100101
v 15 1100011
w 18 1100111
0 8 11001000
1 6 10000001
' 5 110010011
- 3 100000001
3 3 100000100
? 3 100000101
x 4 110010010
2 2 1000001101
5 2 1000001111
9 1 1000000000
j 1 1000000001
( 1 10000011000
) 1 10000011001
4 1 10000011100
6 1 10000011101
22. Alice receives an email with the following in the subject field:
SVERJNYY
What is the subject?
23. In the message field of the email, Alice reads the following:
GPI.BY
What is the message?
Cipher:
Plain: abcdefghijklmnopqrstuvwxyz Cipher: axje.uidchtnmbrl'poygk,qf;
24. Bob pushes a note under Alice's door with the following:
3 5 27 28 0
What is the word that Bob has written?
Cipher:
25. A cipher uses the One Time Pad (OTP) given below. The key has character positions of: [38][120][53][230][84][21][107][214]. If thecipher text is "xhnexcyjot", what is the country (hint)?
fmcwv bwjmo ednnv xyxha xsksh iaphf ggyeh zvhkp alvxb zuvii oqbwj mbkom agbhi yejgv brnrz lxmqi ofhyq pebuu xlsxp ujnod ukomh xckwy potgx uzcrt tdomy qzqcf bkxnn equrt muewf islzu vhvvj rvcoq ymirw frfst eflyg yysgp xnqhk uobdw iofav amnaz rmsfq pwxpl sdvys kwahc rpbwl pzkcg llsgy kulru yqmsd eshik
26. Alice find a secret message, and knowns that it is a Vigenère cipher with a key of "anteater". Which country does she find in the cipher of:
SPHXLTRU
Here is the grid:
Plain a b c d e f g h i j k l m n o p q r s t u v w x y z
1 b c d e f g h i j k l m n o p q r s t u v w x y z a
2 c d e f g h i j k l m n o p q r s t u v w x y z a b
3 d e f g h i j k l m n o p q r s t u v w x y z a b c
4 e f g h i j k l m n o p q r s t u v w x y z a b c d
5 f g h i j k l m n o p q r s t u v w x y z a b c d e
6 g h i j k l m n o p q r s t u v w x y z a b c d e f
7 h i j k l m n o p q r s t u v w x y z a b c d e f g
8 i j k l m n o p q r s t u v w x y z a b c d e f g h
9 j k l m n o p q r s t u v w x y z a b c d e f g h i
10 k l m n o p q r s t u v w x y z a b c d e f g h i j
11 l m n o p q r s t u v w x y z a b c d e f g h i j k
12 m n o p q r s t u v w x y z a b c d e f g h i j k l
13 n o p q r s t u v w x y z a b c d e f g h i j k l m
14 o p q r s t u v w x y z a b c d e f g h i j k l m n
15 p q r s t u v w x y z a b c d e f g h i j k l m n o
16 q r s t u v w x y z a b c d e f g h i j k l m n o p
17 r s t u v w x y z a b c d e f g h i j k l m n o p q
18 s t u v w x y z a b c d e f g h i j k l m n o p q r
19 t u v w x y z a b c d e f g h i j k l m n o p q r s
20 u v w x y z a b c d e f g h i j k l m n o p q r s t
21 v w x y z a b c d e f g h i j k l m n o p q r s t u
22 w x y z a b c d e f g h i j k l m n o p q r s t u v
23 x y z a b c d e f g h i j k l m n o p q r s t u v w
24 y z a b c d e f g h i j k l m n o p q r s t u v w x
25 z a b c d e f g h i j k l m n o p q r s t u v w x y
27. Alice reads her newspaper, and there's some scrambled text on the last page:
SHN OTSTRN LO SHN IKSNRKNS, NBMNAIUYYE IK NWMUKDIKG SHN RUKGN LO
UMMYIAUSILKB, IKVLYVNB U JTAH DNNMNR DNGRNN LO MRIVUAE, UKD
UTSHNKSIAUSILK. CISHLTS SHNBN SHN IKSNRKNS AUKKLS FN MRLMNRYE TBND
SL RNMYUAN NWIBSIKG UMMYIAUSILKB BTAH UB IK VLSIKG, OIKUKAN, UKD
BL LK. SHN OTSTRN IB SHTB SLCURDB DUSU NKAREMSILK CHIAH IB SHN
BAINKAN LO AREMSLGRUMHIAB , UKD MRLVIDNB U JNAHUKIBJ OLR SCL
NKSISINB SL ALJJTKIAUSN CISHLTS UKE LSHNR NKSISE FNIKG UFYN SL
RNUD SHNIR JNBBUGNB. IK U BNARNS ALJJTKIAUSILKB BEBSNJ, FLF UKD UYIAN
BHLTYD FN UFYN SL ALJJTKIAUSN BNATRNYE, CISHLTS NVN OIKDIKG LTS SHN
ALKSNKSB LO SHNIR JNBBUGNB, LR IK PNNMIKG LSHNR DNSUIYB BNATRN, BTAH
UB SHNIR YLAUSILK, LR SHN DUSN SHUS SHNIR JNBBUGNB URN BNKS. SHN SCL
JUIK JNSHLDB TBND URN SL NISHNR TBN U TKIQTN UYGLRISHJ CHIAH FLSH FLF
UKD UYIAN PKLC, UKD DL KLS SNYY NVN, LR SHNE TBN U CNYY-PKLCK UYGLRISHJ,
CHIAH NVN UYBL PKLCB, UKD TBN BLJN BMNAIUY NYNASRLKIA PNE SL TKIQTNYE
DNOIKN HLC SHN JNBBUGN IB ALKVNRSND IKSL AIMNRSNWS, UKD FUAP UGUIK. U
MURSIATYUR MRLFYNJ IK UKE SEMN LO NKAREMSILK IB SHN MUBBIKG LO SHN
BNARNS UYGLRISHJ LR SHN PNE IK U BNATRN CUE, UB FLF LR UYIAN DLNB KLS
PKLC IO NVN IB YIBSNKIKG SL SHNIR ALJJTKIAUSILKB. IO NVN OIKDB-LTS SHN
UYGLRISHJ LR SHN PNE, KNISHNR FLF KLR UYIAN IB UFYN SL DNSNAS SHIB. SHIB
AHUMSNR YLLPB US BLJN LO SHN FUBIA MRIKAIMYNB LO NKAREMSILK, IKAYTDIKG
SHN TBUGN LO MRIVUSN-PNE UKD MTFYIA-PNE JNSHLDB. UB CN CIYY OIKD MTFYIA
UKD MRIVUSN PNE JNSHLDB CLRP SLGNSHNR IK MNRONAS HURJLKE, CISH, SEMIAUYYE,
MRIVUSN PNE JNSHLDB MRLVIDIKG IK SHN UASTUY ALRN NKAREMSILK, UKD MTFYIA
PNE JNSHLDB MRLVIDIKG CUEB SL UTSHNKSIAUSN, UKD MUBB PNEB.
Can you find out what the news article relates to (helper)?
Want more? Try here.
---------------------
Merry Christmas and a Happy New Year!
