Monday, November 4, 2013

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Caesar Cipher Encryption – PowerShell Scripts

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While studying the Caesar Cipher encryption, I came up with this idea of creating a script using PowerShell V1.0.  I have created two PowerShell scripts. First script will generate an encrypted message based on an automatically selected key 0 - 25.  The second script will prompt you to enter a plain text and key.  Enjoy!

Script #1 - This script will generate an encrypted message based on your input - plain text.

As shown in the following screenshot, it will ask you to enter a plain text. 

clip_image0021[1]

 

You don’t need to specify a key.  The script will automatically select a key from 0 to 25.   Output will have the Key and Encrypted text as shown in the following screenshot:

clip_image002[7]

You can download the script from the following location: 

clip_image002

Here is another example of the output.  In this example the plain text was a-z (Key 0)

clip_image002[9]

Script #2 - This script will generate an encrypted message based on your input - plain text and key. 

Unlike the script #1, it will ask you for both plain text and the key.

clip_image002[1]

clip_image002[11]

Output will have Key, Pain text and the Encrypted text. 

clip_image002[7]

This script can be downloaded from the following location:

clip_image002[9]

Download:

Script #1 - https://skydrive.live.com/?mkt=en-US&ppud=4#cid=FD1B4F30721044E5&id=FD1B4F30721044E5%21117

Script #2 - https://skydrive.live.com/?mkt=en-US&ppud=4#cid=FD1B4F30721044E5&id=FD1B4F30721044E5%21118

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Santhosh Sivarajan

Microsoft MVP · Identity & Cybersecurity Architect

Santhosh has 30+ years of hands-on enterprise experience in Identity and Access Management, Microsoft Entra ID, Active Directory, Microsoft 365 and Zero Trust architecture. He is the author of two books on Windows Server and security, and leads consulting, assessments and training at SAG Business Group.

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3 comments:

here is the code for caesar cipher http://code2begin.blogspot.com/2017/08/data-encryption-using-caesar-cipher.html

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