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Subject: RSA Laboratories FAQ - Part 5
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**************************************************************************
***************
RSA Laboratories Frequently Asked Questions v3.0 -

This is the latest FAQ available on Cryptography from RSA, please
ignore all others. You can refer to the HTML version at :
HTTP://www.rsa.com/rsalabs/newfaq/

or you can download the FAQ in Adobe Acrobat version from our
website:

HTTP://www.rsa.com/PUBS/

If you have any questions or comments, please email :

webmaven@rsa.com
faq-editor@rsa.com

**************************************************************************
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Question 32. What are Knapsack Cryptosystems?

The Merkle-Hellman knapsack cryptosystem  [MH78] is a public-key
cryptosystem that was first published in 1978. It is commonly referred to
as the knapsack cryptosystem. It is based on the subset sum problem in
combinatorics. The problem involves selecting a number of objects with
given weights from a large set such that the sum of the weights is equal
to a pre-specified weight. This is considered to be a difficult problem to
[remainder of text deleted by folder-shrink.pl]
