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lotusvale
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PostPosted: Fri Jun 13, 2003 3:02 pm    Post subject: cryptography Reply with quote

i 'm interested in learning cryptography.
does anyone know where i can get started on this?
perhaps online prefereable..?
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PostPosted: Fri Jun 13, 2003 3:43 pm    Post subject: Reply with quote

A good understanding of number theory is probably needed to truly get into this topic. While there are many good books out there (I'm not sure about online), a solid math background is assumed for most of them. I personally don't know of any good resources or books that teach cryptography for people who don't know number theory (if you happen to fall in that category). Good luck.
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PostPosted: Fri Jun 13, 2003 3:46 pm    Post subject: Reply with quote

There a quite a few links to research papers etc on the links page of the GnuPG site:
http://www.gnupg.org/(en)/misc/links.html
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lotusvale
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PostPosted: Fri Jun 13, 2003 3:57 pm    Post subject: Reply with quote

cool...thx guys.i'll be reading this for a while now
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aja
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PostPosted: Fri Jun 13, 2003 8:21 pm    Post subject: Reply with quote

Simon Singh's "The Code Book" is a good historical treatment from Caesar-shift ciphers to quantum cryptography, with a layman's overview of many of the techniques involved.
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PostPosted: Sun Jun 15, 2003 2:37 am    Post subject: Reply with quote

If you are just getting into encryption this document is much needed reading on your part. It is from the pgpi.org website, also included with all PGP downloads.
ftp://ftp.pgpi.org/pub/pgp/7.0/docs/english/IntroToCrypto.pdf
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PostPosted: Sun Jun 15, 2003 5:58 am    Post subject: Reply with quote

Introduction to Number Theory by Charles Schumer is a fabulous book. Be sure to check out Chapter 7 "Factoring and Primality Testing." Section 7.7, "Introduction to Cryptology: RSA Algorithm," will be particularly interesting to you. Good luck!
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PostPosted: Sun Jun 15, 2003 11:46 am    Post subject: Reply with quote

i would mention a book from MIT:
Introduction to Algorithms by thomas cormen,charles leiserson and ronald rivest
it has a whole (mini)chapter discussing the number theory,and the rsa algorithm...
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pilla
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PostPosted: Sun Jun 15, 2003 5:36 pm    Post subject: Reply with quote

Moving to OTW
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PostPosted: Thu Jun 26, 2003 3:46 pm    Post subject: Reply with quote

Handbook of Applied Cryptography. Available for free online here: http://www.cacr.math.uwaterloo.ca/hac/
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Senso
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PostPosted: Thu Jun 26, 2003 7:51 pm    Post subject: Reply with quote

aja wrote:
Simon Singh's "The Code Book" is a good historical treatment from Caesar-shift ciphers to quantum cryptography, with a layman's overview of many of the techniques involved.


True, I bought that book and it is a great (historical and pratical) introduction to cryptography. I recommend it to all the crypto-newbies.
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carambola5
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PostPosted: Thu Jun 26, 2003 10:03 pm    Post subject: Reply with quote

mortix wrote:
i would mention a book from MIT:
Introduction to Algorithms by thomas cormen,charles leiserson and ronald rivest
it has a whole (mini)chapter discussing the number theory,and the rsa algorithm...


AFAIK, the second edition (better known as "CLRS" as compared to your "CLR") has a more in-depth section on cryptography. RSA is described in detail as well as other number theory.

It's a very big book and covers a lot of topics. For me, it's my favorite practice book when competing in programming competitions.
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PostPosted: Fri Jun 27, 2003 5:19 am    Post subject: Reply with quote

carambola5 wrote:
mortix wrote:
i would mention a book from MIT:
Introduction to Algorithms by thomas cormen,charles leiserson and ronald rivest
it has a whole (mini)chapter discussing the number theory,and the rsa algorithm...


AFAIK, the second edition (better known as "CLRS" as compared to your "CLR") has a more in-depth section on cryptography. RSA is described in detail as well as other number theory.

It's a very big book and covers a lot of topics. For me, it's my favorite practice book when competing in programming competitions.

u are right,i heared that there is going to be a revision of that book,but in my language only the fisrt one has been translated...
so i was sure only for the first book,and had no clue if the second edition was released.

btw,thx for the info,i'm looking to buy the 2nd book even if it's not translated..
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PostPosted: Sat Jun 28, 2003 11:24 pm    Post subject: Reply with quote

aja wrote:
Simon Singh's "The Code Book" is a good historical treatment from Caesar-shift ciphers to quantum cryptography, with a layman's overview of many of the techniques involved.


I second this. Also I reccomend the Cryptonomicon, it's fiction but it actually explains things quite well along the way and will make you doubly interested in crypto.
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PostPosted: Sun Jun 29, 2003 6:19 am    Post subject: Reply with quote

Applied Cryptography: Protocols, Algorithms, and Source Code in C, Second Edition
by Bruce Schneier
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