Blowfish uses the longest key. Does this mean it is the
strongest cipher?
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WHAT IS A SAMPLE USER INTERFACE OF DES ENCRYPTION/DECRYPTION PROJECT?
What is merkles tree signature scheme?
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 does one find random numbers for keys ?
why hash functions are not used for encryption but authentication ?
what are some of the current encryption schemes?
what is trapdoor and how does it works?
What is multiple encryption?
What is the difference between a message authentication code (MAC) and a one-way hash?
What is public key encryption?
How can we use quantum properties in cryptography ?
What is the difference between Kryptel and Silver Key?