The PBQRF in Cryptography

written information confidential? Well, actually people have tried to conceal

written information since writing was developed. In the past it was used for

keeping secrets, secret. Now it is used from protecting a country, the citizens, and

privacy of everyone. Then and now cryptography is used to encode letters, so they

The ancient Egyptians, Hebrews, and Greeks, all used cryptography. Some

developed it to conceal the communications secrets. The Egyptians, used a scytale

consisting of a tapered baton which wrapped around was a piece of parchment

inscribed with the message. One of the baton would have made the message un-

clear, and unreadable. The other baton and the same parchment paper would

have made the message appear in original text.

In Julius Caesar’s time he didn’t trust his messengers, so he disguised his

messages so that only the person for whom the message was for, would know how

to interpret the message. Julius Caesar used a simple cryptosystem, he shifted the

letters by three. So A would be D and B would be E, so on and so forth. Now

Decrypting the cipher is solving the cipher un-coding it to get the true meaning of

Explaining, how to encrypt a message, with the order; I selected. I split the

continuing to get harder and harder to be tamper with.

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