05 August, 2005

All Hackers Need To Know About Elliptic Curve Cryptography

In what's been touted as the "last ever" issue of hacker-zine Phrack, released at the beginning of this month, there's an article overviewing elliptic-curve cryptography together with a sample implementation. Written by the shadowy "f86c9203", it overviews a little bit of basic algebra and outlines a couple of key-agreement protocols. "Rootkits and backdoors seem to be interesting applications", claims the article, although it's not quite clear what great benefit ECC brings to your average black hat over conventional public-key crypto...I guess it just sounds cool, right?


Anonymous Anonymous said...

it sounds so cool and obscure, still wondering why it hasn't appeared in movies yet. Terrorists/govs in movies should stay away from symmetric cryptography, as Blowfish has been cracked in "24" and 256 bits keys have been cracked in the ridiculous Operation Swordfish.

4:07 pm  
Blogger Matt Crypto said...

LOL, yeah, encryption tends to get botched pretty badly in fiction. A film I want to watch again is Sneakers, just because they hired Leonard Adleman as their consultant.

6:16 pm  
Blogger College Boy said...

There is a lot more to know about elliptic curve cryptography than Elgamal on the elliptic logarithm problem. Weil pairings on elliptic groups are a rich source of homomorphic ciphers whose computational complexity are based on factoring.


PS: I saw you linked my site and I linked yours.

12:39 am  
Blogger Dirk Rijmenants said...

about the PIN/TAN system, here you go: http://www.informatik.tu-darmstadt.de/ftp/pub/TI/reports/attack.pdf

2:19 pm  
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1:59 am  

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