Michael Sierchio, at 06:06 -0700 on Wed, 12 Sep 2001, wrote: This reveals key bits to the holders, however. Using a K-of-N threshold scheme, or even a simple XOR, prevents the holders from having any knowledge of the key bits. sharesecret implements a K-of-N theshold scheme. http://www.mathematik.uni-ulm.de/m5/sk/sharesecret.html It is available under the GNU GPL. -- Frank Tobin http://www.neverending.org/~ftobin/