[Gzz-commits] manuscripts/Sigs article.rst

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/gzz
Module name:    manuscripts
Changes by:     Tuomas J. Lukka <address@hidden>        03/05/18 16:25:00

Modified files:
        Sigs           : article.rst 

Log message:
        choices

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gzz/manuscripts/Sigs/article.rst.diff?tr1=1.99&tr2=1.100&r1=text&r2=text

Patches:
Index: manuscripts/Sigs/article.rst
diff -u manuscripts/Sigs/article.rst:1.99 manuscripts/Sigs/article.rst:1.100
--- manuscripts/Sigs/article.rst:1.99   Sun May 18 16:17:42 2003
+++ manuscripts/Sigs/article.rst        Sun May 18 16:25:00 2003
@@ -618,9 +618,16 @@
   - biba:
 
   - Reyzin subset-resilient. The security requirement, 
-    for a single signature, means that 
+    for a single signature signing 160 bits, this means that 
     `$\\log t \ge {160-\log k \over k}$`.
-    A suitable choise seems to be `$t=1024$`, `$k=24$`
+    A suitable choise seems to be 
+    `$t=308$`, `$k=91$`
+
+  - Reyzin pure. 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 
+    `$t=168$`, `$k=69$`
 
   - alternatively, the Reyzin theoretical construction may be used,
     where the time spent is somewhat more but security depends