Page 36 - GK Class 03

28 Cryptology

If you want to keep information secret, you have two possible
strategies: hide the existence of the information or make the information

unintelligible. Cryptography is the process of writing messages in

coded language. The science of cryptology dates back to 2000 BC.

Let us study about cryptology.

Code A B C D E F G H I

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J K L M N O P Q R S T U V

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W X Y Z H O W A R E Y O U
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A. Now, write the following message in coded language.

1. A R E Y O U R E A D Y F O R T H E P A R T Y

2. H A P P Y B I R T H D A Y

3. M Y B E S T W I S H E S

4. W H E R E A R E Y O U G O I N G

B. Decode the following messages.
This Corner
1.
Encryption is a term that comes
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from the science of cryptography.
2.
It includes the coding and decoding
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of messages in order to protect
3. their contents.

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