SophiaPretty

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Category > Computer Science Posted 29 Nov 2017 My Price 10.00

GPG e-mail encryption tool to encrypt e-mail communication

I need help with using the GPG e-mail encryption tool to encrypt e-mail communication between two computer e-mail accounts. If someone could show a step by step process so I would be able to do this.

 

Also with the following questions.

 

9.2 Perform encryption and decryption using the RSA algorithm, as in Figure 9.5, for the following:

1.    p=3;q=11, e=7;M=5 

2.    p=5;q=11, e=3;M=9 

3.    p=7;q=11, e=17;M=8

 

 

9.9 Using a spreadsheet (such as Excel) or a calculator, perform the operations described below. Document results of all intermediate modular multiplications. Determine a number of modular multiplications per each major transformation (such as encryption, decryption, primality testing, etc.).

 

· Encrypt the message block M=2  using RSA with the following parameters: e=23  and n=233×241. 

· Compute a private key (d, p, q) corresponding to the given above public key (e, n).

· Perform the decryption of the obtained ciphertext

1.    without using the Chinese Remainder Theorem, and

2.    using the Chinese Remainder Theorem.

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SophiaPretty
(5)
Status NEW Posted 29 Nov 2017 12:11 PM My Price 10.00

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