Is there a limit on the file size or on the number of
encrypted files?
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How should I store my private key ?
What are the disadvantages of public-key cryptography compared with secret-key cryptography?
What is key recovery ?
Do digital signatures help detect altered documents and transmission errors?
What is multiple encryption?
What is the Popular Symmetric-Key Encryption Method
Is there a limit on the file size or on the number of encrypted files?
What is the mceliece cryptosystem?
What is decryption?
What happens if a private key is compromised ?
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 is the rabin signature scheme?