Cryptology Jeporady

Basic Terms

100

The term for language in normal form

What is Plaintext?

300

Term for the formula that is used to decipher encrypted messages

What is Key?

500

The state concealed information is in

What is Encryption or Ciphertext?

Decription & Encription Methods

100

Decryption philosophy developed by an Arabian mathematician, that studies how often specific letters/units are used in a code to determine the plaintext.

What is frequency Analysis?

300

Method where encryption is done with the help of a key and each piece of the encrypted code is assigned a unit of the key.

What is Subsitution Cypher?

500

Where, what and when was the development of multi-language/alphabet ciphers?

What are Arab Nations, Polyalphabetic ciphers and about 800 AD?

Historical Examples

100

Popular contemporary example of encryption, revolves around data security and internet browsing

What is a VPN?

300

The cipher was developed and used in the early 1900s to protect commericial and military messages

What is an Enigma Machine?

500

French Monarch who's cryptographer developed a cipher, infamous for being nearly impossible to decrypt.

Who is King Louis XIV(14th)?

Practice Problems

100

Decrypt the following code using the pigpen cipher method:

What is Limit?

300

Decipher this code using ceaser cipher decryption method with a shift value of +3: LQWHJUDO

What is Integral?

500

Using this plaintext and Key, create an encryption using the Vigenere cipher method                   Plaintext: Norville      Key: Implicit

What is VAGGQNTX