3 # $Id: ec-gentab.awk,v 1.1 2004/04/01 21:28:41 mdw Exp $
5 function banner(name, s, i)
7 s = "/*----- " name " ";
8 while (length(s) < 75) s = s "-";
14 gsub(/[^0-9A-Za-z_]+/, "_", name);
21 print " * Table of elliptic curves [generated]";
24 print "#include \"ectab.h\"";
26 print "#define N(x) (sizeof(x)/sizeof(*x))";
27 print "#define MP(x) { x, x + N(x), N(x), 0, MP_CONST, 0 }";
28 print "#define NOMP { 0, 0, 0, 0, 0 }";
30 print banner("Curve data");
40 print "curve " name ": missing " x >"/dev/stderr";
45 n = "c_" fix(name) "_" x;
46 print "static mpw " n "[] = {";
47 system("./mpdump " d);
57 if (name == "") return;
58 print "/* --- Curve " name " --- */";
62 if (type == "binnorm") putmp("beta");
69 print "static ecdata c_" fix(name) " = {";
70 print " FTAG_" toupper(type) ",";
71 print " MP(" mp["p"] "),"
72 if (type == "binnorm")
73 print " MP(" mp["beta"] "),";
76 print " MP(" mp["a"] "),"
77 print " MP(" mp["b"] "),"
78 print " MP(" mp["r"] "),"
79 print " MP(" mp["h"] "),"
80 print " MP(" mp["gx"] "),"
81 print " MP(" mp["gy"] ")"
86 r[name] = "c_" fix(name);
90 /^[ \t]*(#|$)/ { next; }
92 $1 == "alias" { flush(); dname[d_i++] = $2; d[$2] = $3; next; }
94 $1 == "curve" { flush(); delete data; name = $2; type = $3; next; }
96 { data[$1] = $2; next; }
100 print banner("Main table");
102 print "const ecentry ectab[] = {";
103 for (i = 0; i < d_i; i++) {
107 print "curve " rname " not found (alias from " name ")" >"/dev/stderr";
110 print " { \"" name "\", &" r[rname] " },";
115 print banner("That's all, folks");