What is key management ?
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what is trapdoor and how does it works?
How does one get a key pair ?
How is an s-box value of AES can be modified? How is it done?
What are the cfb and ofb modes?
What is luc?
Does encryption of connection strings in web.config file possible? How?
What is the function of random numbers in encryption and how are they generated?
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 ?
whats cryptanalysis?
Is there a limit on the file size or on the number of encrypted files?
Do encrypted files contain password in some form?