I don’t know how to answer this ...app.crowdmark.comCryptographySuppose there is a correspondence between letters and numbers where each letter is representedby the number shown below. Spaces are ignored.DEFHJKM13489.10111213TUVW X YZ141516 17181920 2122 23 24 25 26To write your message in numbers, you divide the message in pairs of letters and associate themto the following numbers. For example if you want to encode the word "ELEPHANT" you start withthe pre-encoded message1420which results in16To encode a message using a matrix A, you need to multiply A on the left by each two lettermessage. If1A =-1you encode the first two letters EL withGO)-G)You repeat the same procedure for the entire pre-encoded message and create the encodedmessage.To decode NT:mTessade VOumuitioVATOThereiwth each pair. For example to decodeAINH ...app.crowdmark.com aTo decode the message, you multiply A- to the left with each pair. For example to decode().you find the inverse of A which isA =sowhich corresponds to the letters EL and then you apply the same procedure to all the encodedmessage.5a) Use matrixB =to encode the message "COME ON".5b) Decode the following message that was encoded using B-8-39-325c) Is it possible to use the matrix-1С --4to encrypt and decrypt messages? Explain why.+ Drag and drop an image or PDF file or click to browse...

Answered: Image /qna-images/answer/150c12f4-c761-4f94-9a25-4153fd05ca8a.jpg

Answered: 5b) Decode the following message that…

5b) Decode the following message that was encoded using B (C) ()O) 8 -11 -8 -7 9. -37 -39 -32 5c) Is it possible to use the matrix 2 -1 C = 2 -4 to encrypt and decrypt messages? Explain why.

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.7: Distinguishable Permutations And Combinations

Problem 29E

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Question

I don’t know how to answer this

...
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Cryptography
Suppose there is a correspondence between letters and numbers where each letter is represented
by the number shown below. Spaces are ignored.
D
E
F
H
J
K
M
1
3
4
8
9.
10
11
12
13
T
U
V
W X Y
Z
14
15
16 17
18
19
20 21
22 23 24 25 26
To write your message in numbers, you divide the message in pairs of letters and associate them
to the following numbers. For example if you want to encode the word "ELEPHANT" you start with
the pre-encoded message
14
20
which results in
16
To encode a message using a matrix A, you need to multiply A on the left by each two letter
message. If
1
A =
-1
you encode the first two letters EL with
GO)-G)
You repeat the same procedure for the entire pre-encoded message and create the encoded
message.
To decode NT:mTessade VOumuitioVATOThereiwth each pair. For example to decode
AINH

...
app.crowdmark.com a
To decode the message, you multiply A- to the left with each pair. For example to decode
().
you find the inverse of A which is
A =
so
which corresponds to the letters EL and then you apply the same procedure to all the encoded
message.
5a) Use matrix
B =
to encode the message "COME ON".
5b) Decode the following message that was encoded using B
-8
-39
-32
5c) Is it possible to use the matrix
-1
С -
-4
to encrypt and decrypt messages? Explain why.
+ Drag and drop an image or PDF file or click to browse...

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