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1) Using the prime p = 2621and encryption key e = 7, encrypt the message SWEET DREAMS using modular exponentiation.
2) What is the plaintext message that corresponds to the ciphertext 1213 0902 0539 1208 1234 1103 1374 that is produced using modular exponentiation with modulus p = 2591 and encryption key e = 13?
Assume that Alice shares a secret s with her company's server computer. When Alice is on a trip, she tries to store an important message in the CEO's account directory.
Consider the following plaintext message: FAIN 460 9043 IS A GRADUATE COURSE.
Suppose a terrorist is known to use Skype for encrypted email from internet cafes, using a known email ID in small city. How could you collect data for traffic analysis (i. e, what kind of technology or access could you use)?
You begin the session by sending X your calculated value of TA. X responds by sending you the value TB = 167. What is the value of your shared secret key? Show all your work.
Implement the cipher as a class which implements the provided interface.
Provides a thorough and detailed description and understanding of a newICT service in the workplace, worthy of analysis and provides a comprehensive description and understanding of a new ICT service in the workplace, worthy of analysis.
Discuss and explain any of the internet working equipment that you have experience with and the advantages and disadvantages of them.
A particular cipher is implemented by combining the ASCII representation of plaintext characters with pseudorandom bytes. What is the ciphertext (in binary form) generated by the encryption of the character D?
Generates the alternative message which has a hash value which collides with Bob's original hash value. Illustrate a message that Alice may have spoofed, and demonstrate that its hash value collides with Bob's original hash.
Implement both encryption AND decryption of the Vigenere cipher with 26 English letters and 1 space character
How do NIST criteria for selection of DES and AES relate to Shanon's original standards of a good cryptographic system? What are the significant differences? How do these standards reflect a changed environment many years after Shannon wrote his s..
What are Service Level Agreements (SLAs) and why are they a critical component of any IT Outsourcing agreements?
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