"Cryptography"

INTRODUCTION CRYPTOGRAPHY the science of the enciphering and deciphering of pass ons in out of sight cypher or cipher cryptography is use everywhere it protects money transfers and credit card numbers employ over the profit but its main purpose is to keep secret documents undertake from foreign governments TERMINOLOGY CRYPTOGRAPHY the science of the enciphering and deciphering of messages in secret code or cipher. PLAINTEXT the original message before encryption or subsequently decryption CIPHERTEXT The encrypted form of the PLAINTEXT ENCRYPTION The litigate of converting the PLAINTEXT into a CIPHER. DECRYPTION The process of converting the CIPHER butt into PLAINTEXT. cryptography The science of recovering info from ciphers without knowledge of the key. CRYPTOSYSTEM a dodging for encrypting information. KEY The secret information known only to the sender and the liquidator which is apply to encrypt and decrypt the message explanation cryptology has been used to conceal information in physical composition since writing was send-off developed, Egyptians are the first knowN to used CRYPTOGRAPHY. Early Grecians also used cryptology, they enwrapped a segment of cloth around a baton called a scytale and wrote the message on it. When it was unwrapped it looked like decorations and was worn as a robe by a servant and delivered to the receiver. When it was wrapped once more around a scytale the message was easily read. Another classic Polybius invented the Polybius checkerboard which was a 5 x 5 control grid containing all the letters of the alphabet, each letter was converted into daimon numbers such as A becomes 11 - 1 2 3 4 5 1 A B C D E 2 F G H I/J K 3 L M N O P 4 Q R S T U 5 V W X Y Z ex. CAR is 131142 afterward the the nineteenth C. cryptodevices were invented they... If you want to get a full essay, battle array it on our website: BestEssayCheap.com

If you want to get a full essa! y, visit our page: cheap essay