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[Gzz-commits] manuscripts/Sigs article.rst
From: |
Tuomas J. Lukka |
Subject: |
[Gzz-commits] manuscripts/Sigs article.rst |
Date: |
Sun, 18 May 2003 16:30:44 -0400 |
CVSROOT: /cvsroot/gzz
Module name: manuscripts
Changes by: Tuomas J. Lukka <address@hidden> 03/05/18 16:30:44
Modified files:
Sigs : article.rst
Log message:
choices
CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/Sigs/article.rst.diff?tr1=1.102&tr2=1.103&r1=text&r2=text
Patches:
Index: manuscripts/Sigs/article.rst
diff -u manuscripts/Sigs/article.rst:1.102 manuscripts/Sigs/article.rst:1.103
--- manuscripts/Sigs/article.rst:1.102 Sun May 18 16:29:43 2003
+++ manuscripts/Sigs/article.rst Sun May 18 16:30:44 2003
@@ -623,19 +623,23 @@
- Reyzin subset-resilient. The security requirement,
for a single signature signing 160 bits, this means that
`$\\log t \ge {160-\log k \over k}$`.
- A suitable choise seems to be
+ The choice with smallest `$t+k$` and (with less priority)
+ `$t$` is XXX SMALLEST K?
`$t=308$`, `$k=91$`
+ `$t=316$`, `$k=83$`
- - Reyzin pure. Here, we only need the ability to sign 160 bits,
+ - Reyzin pure.
+ the Reyzin theoretical construction may be used,
+ where the time spent is somewhat more but security depends
+ only on hashes
+ Here, we only need the ability to sign 160 bits,
which we get at the cheapest (where sum of bits
in signature plus public key is smallest, and
with smallest `$t$` at
`$t=168$`, `$k=69$`
+ `$t=175$`, `$k=62$`
- - alternatively, the Reyzin theoretical construction may be used,
- where the time spent is somewhat more but security depends
- only on hashes
-
+ - Bleichenbacher-Maurer.
Conclusion
- [Gzz-commits] manuscripts/Sigs article.rst, (continued)
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/18
- [Gzz-commits] manuscripts/Sigs article.rst,
Tuomas J. Lukka <=
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Tuomas J. Lukka, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/19
- [Gzz-commits] manuscripts/Sigs article.rst, Benja Fallenstein, 2003/05/19