COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	.require "let.pub" source file
C00003 ENDMK
C⊗;
.require "let.pub" source file;
.<<
.FONT 1 "basl30"; TURN ON "%";
.FONT 2 "BASI30";
.FONT 3 "basb30";
.FONT 4 "sta200";
.FONT 5 "ngb25";
.>>
.FONT 6 "SUP";
∂AILDr. Robert L. Ashenhurst↓Institute for Computer Research↓The University
of Chicago↓Chicago, Illinois 60637∞

Dear Bob:

I will have no rejoinder in regard to the letter from C. A. Deavours.  However,
I think the letter should not be published, because neither Friedman's article
nor my letter show unawareness of the points it makes which are all present
in Shannon's paper or any book on cryptography.

.sgn