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What is are "proprietary" and "public" cryptographic algorithms?
What is secret-key cryptography ?
What is meant by 1024, 2048, 5096 bit encryption?
How do certifying authorities store their private keys ?
What is key management ?
what is trapdoor and how does it works?
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.
How can we use quantum properties in cryptography ?
What are the advantages of public-key cryptography compared with secret-key cryptography?
what are some of the current encryption schemes?
What are knapsack cryptosystems?
What is the difference between a message authentication code (MAC) and a one-way hash?
What is cryptographic synchronisation?
What is probabilistic encryption?
How is an s-box value of AES can be modified? How is it done?
