17 Dec
2003
17 Dec
'03
11:17 p.m.
Just bouncing a message off the server in the hopes that cypherpunks messages begin to flow again... (define(RSA m e n)(list->string(u(r(s(string->list m))e n))))(define(u a)(if(> a 0)(cons(integer->char(modulo a 256))(u(quotient a 256)))'()))(define(s a)(if (null? a)0(+(char->integer(car a))(* 256(s(cdr a))))))(define(r a x n)(cond((= 0 x)1)((even? x)(modulo(expt(r a(/ x 2)n)2)n))(#t(modulo(* a(r a(1- x)n))n))))