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The purpose of this question is to ask students to decrypt a message encrypted with a Hill cipher.
Metadata
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England schools
-
England university
-
Scotland schools
Taxonomy: mathcentre
Taxonomy: Kind of activity
Taxonomy: Context
Contributors
Feedback
From users who are members of SIT281 :
| Julien Ugon | said | Ready to use | 1 year, 8 months ago |
History
Julien Ugon 1 year, 8 months ago
Gave some feedback: Ready to use
Julien Ugon 1 year, 8 months ago
Published this.Julien Ugon 1 year, 11 months ago
Created this as a copy of Hill Cipher: Find Matrix.There is only one version of this question that you have access to.
There are 2 other versions that do you not have access to.
| Name | Type | Generated Value |
|---|
| ciphertext | string |
UOBCCM
|
||||
| plaintext | string |
WISDOM
|
||||
| plainletters | list |
List of 6 items
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| plainnumbers | list |
[ 22, 8, 18, 3, 14, 12 ]
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| p | matrix |
matrix([22,8],[18,3],[14,12])
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| M | matrix |
matrix([9,21],[7,22])
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| d | number |
25
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| dinv | number |
25
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| M1 | matrix |
matrix([4,21],[7,17])
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| g | boolean |
true
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||||
| codenumbers | list |
[ 20, 14, 1, 2, 2, 12 ]
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| pc | matrix |
matrix([20,14],[1,2],[2,12])
|
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| decryptedText | matrix |
matrix([22,8],[18,3],[14,12])
|
Generated value: string
UOBCCM
← Depends on:
This variable doesn't seem to be used anywhere.
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| Part | Test | Passed? |
|---|---|---|
| Match text pattern | ||
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This question is used in the following exam:
- classical-exam by Guillermo Pineda in SIT281.