Cryptography by Dr. Partha

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Information security and cryptography

drpartha@gmail.com

This is the course website of Prof. Partha's course on information security and cryptography .

Cryptography courses

Teach yourself cryptography:
Self-study #1
Self-study #2
Self-study #3 : tutorial material on cryptography.
Indian roots of cryptography
Some useful elementary number theory
RSA crypto -- a concise description
Partha's GPG public key (and some tutorial material)
The enigmatic end of The man who knew too much

Join this group of cryptography professionals
Subscribe to this Newsletter on Cryptography and Security
Or, attend this course :
45 hours of crypto and e-security (approx one semester content)

This course (or a more compact version of this course) can be conducted at your institution. Contact Prof. Partha for details.

Click on the picture for a brief profile

This course has been conducted several times in India, and at Kathmandu, Nepal.

Crypto D-I-Y

Encryption made easy #1
Encryption made easy #2
gpg cheat sheet
Cryptography with GPG (see a sample of GPG in the panel on the right >>>)
Cryptr -- A Simple CLI Utility To Encrypt And Decrypt Files
Steganography with just zip and cat.
An innovative way to generate passwords

Cryptography is an essential tool for ensuring security in electronic storage and transfer of information. Cryptography has a profound mathematical basis, and a huge practical value. The course will use a bare minimum of mathematical concepts, and will demonstrate the practical aspects of cryptography. The lectures and demonstrations will be based solely on FOSS based tools.

Course outline : Click here
Course Dates and timings : Watch this space for details
Course instructor: Prof. Partha is a serious practitioner of public key cryptography and Linux/FOSS.
Course chronicle Coming soon. Watch this space. In the meantime, take a look at this
sample course chronicle
Course handout : Course handout, containing a huge amount of study material, is available in the form of a DVD. Contact Dr. Partha for obtaining this DVD.
Tutorial material on cryptography : You can download a lot of tutorial material on cryptography from here.
Self-assessment quizzes : Download self-assessment quizzes from here.

Free Cryptographic software

Try at your own risk

Or, use GPG

A sample encrypted message, created using GPG

Teach youself GPG

ORIGINAL MESSAGE : "Welcome to Kathmandu"

GPG ENCRYPTED MESSAGE :

-----BEGIN PGP MESSAGE-----

Version: GnuPG v1.4.6 (GNU/Linux)
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=uHn7

-----END PGP MESSAGE-----

The above encryption used Dr. Partha's GPG public key

Lock your stable before the horse is lost.

Amen

Simplicity is divine.
E W Dijkstra (1930-2002)

## ADMINISTRIVIA -- profpartha ##

This file is located at :
https://drpartha.org.in/profpartha/cryptokath.htm
This file was last modified on (mm/dd/yy):
02/02/24
Comments/suggestions to :
drpartha@gmail.com
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