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The message below is encrypted using an affine cipher with

 
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  • Answered by:Steve
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Customer Question

The message below is encrypted using an affine cipher with a = 3 and b = 8. Decrypt the message.

SUHHC ODHGKNSIK IVR DIBBC VUW CUIH


C(P) = (a x P + b) mod 26
----------

The following message was encrypted using a double transposition cipher:

PRINS NOLOO EEPIL RGVST OPAEA SETVT LSVIL ECSSO BITUP EASTH SLAHB OEEIP I

The key for the first transposition is DURABLE; the key for the second transposition is FIREWANDS. Decrypt the message (be sure to show your work)

Submitted: 339 days and 18 hours ago.
Category: Homework
Value: $60
Status: CLOSED
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Expert:  Steve replied 339 days and 11 hours ago.

Hi,

When do you need the answers ?

Steve

Customer replied 339 days and 8 hours ago.


Hi Steve,

Thanks for the quick response. Please provide me today sometime before noon.

Thanks a lot

Customer replied 339 days and 6 hours ago.

Steve,

Please send them to me in the next half an hour. If not, I may decline the help. Thanks

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Expert:  Steve replied 339 days and 4 hours ago.

Oh sorry i was not online

Tell me if you still need help with these questions (I did the first one)

Let me know...

Steve

Customer replied 339 days and 4 hours ago.

Yes, please send me both. Can you send me the one you finished, please? Thanks Steve.

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Expert:  Steve replied 339 days and 4 hours ago.

I can put the first one now, but i didn´t think about the second one

Maybe i can do it , maybe not

Do you agree to pay for the first one ?

How much time i have for the second one ?

Steve

Customer replied 339 days and 4 hours ago.

If the first answer is completed then yes I agree to pay. Can you send it to me now?

For the second question please try to do it in the next 30 minutes (if possible)

Thanks again!

Accepted Answer

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Expert:  Steve replied 339 days and 4 hours ago.

Ok,

Here is the answer for the first one and i will do my best for the second one

First problem

Expert TypeTeacher
Category: Homework
Pos. Feedback: 97.1 %
Accepts: 80
Answered: 5/8/2012

Experience: I teach Calculus and Probability in a University since 1994

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Expert:  Steve replied 339 days and 3 hours ago.

I know how to do it, i am writing the answer

Steve

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Expert:  Steve replied 339 days and 3 hours ago.

THIS ANSWER IS LOCKED!

You need to spend $3 to view this post. Add Funds to your account and buy credits.

Customer replied 339 days and 2 hours ago.


Steve,

Does the 2nd problem complete? Did you leave the 3rd row(under F I R E W A N D)blank intentionally?

thanks

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Expert:  Steve replied 339 days and 2 hours ago.

I will check the file, wait a minute

Steve

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Expert:  Steve replied 339 days and 2 hours ago.

Yes, that´s ok , i wanted to separate numbers from letters only

and in the second page i didn´t do it

(The answer is at the end of the second page)

Steve

 
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