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What is are "proprietary" and "public" cryptographic algorithms?
Actual role of cryptography is data security .Explain with real world example?
A company wants to transmit data over the telephone, but it is concerned that its phones may be tapped. All of its data is transmitted as four-digit integers. It has asked you to write a program that will encrypt its data so that the data may be transmitted more securely. Your script should read a four digit integer entered by the user in a prompt dialog and encrypt it as follows: Replace each digit by (the sum of that digit plus 7) modulus 10. Then swap the first digit with the third, and swap the second digit with the fourth. Then output XHTML text that displays the encrypted integer.
Do encrypted files contain password in some form?
What is the difference between a message authentication code (MAC) and a one-way hash?
What is an algorithm?
what is pretty good privacy?
What is a zed encoder? How does it work?
What is the elgamal cryptosystem?
What is exhaustive key search ?
What is nonlinear cryptography?
How to change the location of the Kryptel (Silver Key) program group?
What are knapsack cryptosystems?
What is the Popular Symmetric-Key Encryption Method
How is an s-box value of AES can be modified? How is it done?
