Do encrypted files contain password in some form?
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What is key recovery ?
Do encrypted files contain password in some form?
How to change the encrypted file icon?
What is decryption?
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.
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What is the Popular Symmetric-Key Encryption Method
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what is pretty good privacy?
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Who needs a key pair ?