INTRODUCTION CRYPTOGRAPHY the science of the enciphering and deciphering of messages in secret code or cipher cryptography is used everywhere it protects money transfers and credit card numbers used over the internet but its main purpose is to keep secret documents secure 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 after decryption CIPHERTEXT The encrypted form of …showed first 75 words of 1376 total…

…showed last 75 words of 1376 total…of jarbled letters there is a letter frequency which is how many times letters occur in that paragraph in the normal English language there is a letter frequency, E occurs the most and has a frequency of .127 and T the next with .097 knowing this the letter frequencys can be overlapped for instance in this paragraph if W occurs the most then its most likely E and if F is the next then it is T