GCD
Find the greatest common divisor d of 897 and 559.
13
Calculate
32746\equiv x \mod 23
x=17
Encrypt the following message with a shift of +7
Logic is the foundation of the certainty of all the knowledge we acquire
Svnpj pz aol mvbukhapvu vm aol jlyahpuaf vm hss aol ruvdslknl dl hjxbpyl
Decrypt this message encrypted using the Caesar Cipher.
Vs V unir frra shegure guna bguref, vg vf ol fgnaqvat hcba gur fubhyqref bs tvnagf
If I have seen further than others, it is by standing upon the shoulders of giants (+13)
Find the greatest common divisor d of 201 and 84.
3
Calculate
87963245\equiv x \mod 174
x=155
Encrypt the following message with a keyword cipher.
Keyword: ISAAC
Pure mathematics is, in its way, the poetry of logical ideas.
PVRD MIUGDMIUHAT HT HN HUT XIZ UGD PODURZ OE LOFHAIL HCDIT
Decrypt this message, that was encrypted with the keyword cipher
Keyword: ARLIS
BAJV WH JVS ZACUKAUS DT JVS KCWMSGHS. HD, JVS BDGS SFKAJWDCH PDK YCDN, JVS BDGS PDK LAC LDCMSGHS NWJV JVS LDHBDH
Math is the language of the universe. So, the more equations you know, the more you can converse with the cosmos
Find the greatest common divisor d of 1929 and 135.
3
Give me the cycle structure for a Caesar Cipher with key of a shift of 19.
(A T M F Y R K D W P I B U N G Z S L E X Q J C V O H)
Encrypt the following message with rail fence cipher (4)
Just because we can’t find a solution it doesn’t mean that there isn’t one
JCEILINTETUEAWCFNOUNTSTNHHRNOSBUEATDSTODEMAATESNTSNAIOETIE
Decrypt this message that used the Rail fence Cipher
WMUSIBNYEHUBATTLKNSEESSMBALYNEEIIISGIEVNHPYUUAERBFLKAWYTOITHNTFRSUEHHNOI
Why are numbers beautiful? It's like asking why is Beethoven's Ninth Symphony beautiful (5)
Find the greatest common divisor d of 332 and 87.
1
Give me the cycle structure for a keyword cipher with keyword: HEXAGON, continuing the alphabet.
(A H P Y L T D)(B E G N V I Q Z M U F O W J R)(C X K S)
Use a columnar transposition cipher with a full rectangular array and keyword BACKFIRE to encrypt the following message:
Bottomless wonders spring from simple rules which are repeated without end
OSSORCEHBSSREIPTTWPMUHAOERFLHEIDONIIERETMDNMSEDETORSLATULEGPWRWN
Cryptanalyze the following message. It was encrypted with a columnar transposition cipher using a full rectangular array.
EAOOESMNGLSERSAOHFDNUIFMAOANNSTPSSHGOOAQTNRHNEIUEIXEETUTG
An equation for me has no meaning unless it expresses a thought of God
Find the greatest common divisor d of 34924 and 7117
1
Decrpyt the ciphertext with the given cycle structure
(A M J F X Y Z E I D R P N K G B)(C T S Q O L H) (U) (V) (W)
Cipher: S C I / G I Z / D Q / X L D K R
Plaintext: the key is foind
Encrypt the following using the Vigenere Cipher with keyword ULTRA:
Discovery is something to be cherished.
Xtltoppkp im dhdensbeg nz uv cbpkzsbpw.
Decrypt this message, encrypted using the Vigenère Cipher.
Yezhqqgtugy adi zhq vksgpz or qesfixiayy paakre aniol to ark uzhkrexgnpw, gnp aniol zhq ytcarycusas diiosrotust or fkagxe mgwz pxee az mspavzazx vadx.
Mathematics are the result of mysterious powers which no one understands, and which the unconscious recognition of beauty must play an important part.