WHAT IS A SAMPLE USER INTERFACE OF DES ENCRYPTION/DECRYPTION
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What is the rabin signature scheme?
What Is Encryption?
What is the elgamal cryptosystem?
What is the function of random numbers in encryption and how are they generated?
What is the difference between hardware and software encryption?
what is trapdoor and how does it works?
How is an s-box value of AES can be modified? How is it done?
What is are "proprietary" and "public" cryptographic algorithms?
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.
What are "stream" and "block" ciphers?
What are the counter and pcbc modes?
How to remove the Kryptel (Silver Key) icon from the desktop?