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 Forum index » Off-Topic Area » Security
Discussion on Paper by Montgomery
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mahaju


Joined: 11 Oct 2010
Posts: 493
Location: between the keyboard and the chair

PostPosted: Thu 06 Jan 2011, 03:26    Post_subject:  Discussion on Paper by Montgomery  

This is the paper "Five six and seven-term Karatsuba Like Formulae.pdf" by P L Montgomery

Has anybody read or is reading this paper? I would like to discuss some aspects of it. For starters, I need to know what has been done in Sec. 2.3 on page 3, specifically the line that says

(Xa0(X) + a1(X))*(Xb0(X) + b1(X))

What does this mean and how does it come?

If anybody has any idea about this method let's discuss about this. Your help will be greatly appreciated.
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efiguy


Joined: 06 Sep 2006
Posts: 169

PostPosted: Wed 16 Mar 2011, 15:20    Post_subject: Discussion on Paper by Montgomery
Sub_title: SeriousMathBlog
 

Hi mahaju,

- I might suggest registering with this group, PTC bought the old MathSoft, Inc. organization, the old forum is still present for reference only.
http://collab.mathsoft.com/~mathcad2000

The new forum and blog - active and responsive group:

http://communities.ptc.com/community/mathcad

Have fun transposing the Multidimensional Vectorized Taylor Sets ;)
Jay
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Flash
Official Dog Handler


Joined: 04 May 2005
Posts: 11121
Location: Arizona USA

PostPosted: Wed 16 Mar 2011, 19:05    Post_subject:  

Is this in the Security section because it has something to do with encryption?
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mahaju


Joined: 11 Oct 2010
Posts: 493
Location: between the keyboard and the chair

PostPosted: Wed 16 Mar 2011, 20:55    Post_subject:  

@efiguy: Thank you, I'll check it out

@Flash: Yes, it is one of the oldest techniques used to speed up the RSA Encryption method and can be used for any method whose security depends upon modular exponentiation
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