Cryptography is the study of secure communications techniques that allow only the sender and intended recipient of a message to view its contents. The term is derived from the Greek word kryptos, which means hidden. …

If the message is intercepted, a third party has everything they need to decrypt and read the message.

Live Example => 8b1a9953c4611296a827abf8c47804d7 => This means Hello.

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How you can Do this?

Method #1 => 

Open this below Website => 

https://www.md5online.org/md5-encrypt.html

Type “Hello” 

and Click on Encrypt 

Result => 

8b1a9953c4611296a827abf8c47804d7

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and now you can send this message to anyone via SMS or whatsapp

and To Decrypt =>
Open Below Link

https://www.md5online.org/md5-decrypt.html

and Paste Hidden message here to decrypt it.