CVS: crypto/Doc pycrypt.tex,1.16,1.17
"A.M. Kuchling" <[email protected]> Fri, 04 Apr 2003 11:05:19 -0800
| Newsgroups | gmane.comp.python.cryptography.cvs |
|---|---|
| Message-ID | <[email protected]> |
Update of /cvsroot/pycrypto/crypto/Doc
In directory sc8-pr-cvs1:/tmp/cvs-serv10684
Modified Files:
pycrypt.tex
Log Message:
Reformat example; update paragraph
Index: pycrypt.tex
===================================================================
RCS file: /cvsroot/pycrypto/crypto/Doc/pycrypt.tex,v
retrieving revision 1.16
retrieving revision 1.17
diff -u -r1.16 -r1.17
--- pycrypt.tex 3 Apr 2003 20:36:07 -0000 1.16
+++ pycrypt.tex 4 Apr 2003 19:05:10 -0000 1.17
@@ -811,10 +811,11 @@
\begin{verbatim}
for i in range(2, n):
- if (n%i)==0: print i, 'is a factor' ; break
+ if (n%i)==0:
+ print i, 'is a factor'
+ break
\end{verbatim}
-
However, \emph{n} is usually a few hundred bits long, so this simple
program wouldn't find a solution before the universe comes to an end.
Smarter algorithms can factor numbers more quickly, but it's still
@@ -822,13 +823,11 @@
reasonable amount of time. For ElGamal and DSA, discrete logarithms are
used instead of factoring, but the principle is the same.
-Safe key sizes depend on the current state of computer science and
-technology. At the moment, one can roughly define three levels of
-security: low-security commercial, high-security commercial, and
-military-grade. For RSA, these three levels correspond roughly to 512,
-768, and 1024 bit-keys. For ElGamal and DSA, the key sizes should be
-somewhat larger for the same level of security, around 768, 1024, and
-1536 bits.
+Safe key sizes depend on the current state of number theory and
+computer technology. At the moment, one can roughly define three
+levels of security: low-security commercial, high-security commercial,
+and military-grade. For RSA, these three levels correspond roughly to
+768, 1024, and 2048-bit keys.
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