| 1 | #! /bin/sh |
| 2 | |
| 3 | set -e |
| 4 | |
| 5 | cat <<EOF |
| 6 | /* -*-c-*- |
| 7 | * |
| 8 | * Table of standard elliptic curves [generated] |
| 9 | */ |
| 10 | |
| 11 | #include "ectab.h" |
| 12 | |
| 13 | #define N(x) (sizeof(x)/sizeof(*x)) |
| 14 | |
| 15 | /*----- Curve data --------------------------------------------------------*/ |
| 16 | |
| 17 | EOF |
| 18 | |
| 19 | names="" |
| 20 | while read t n f; do |
| 21 | |
| 22 | case $t in |
| 23 | curve) ;; |
| 24 | alias) names="$names $n=$f" continue;; |
| 25 | \#* | "") continue;; |
| 26 | *) echo >&2 "$0: unknown keyword $t"; exit 1;; |
| 27 | esac |
| 28 | |
| 29 | names="$names $n=$n" |
| 30 | cat <<EOF |
| 31 | /* --- Curve $n --- */ |
| 32 | |
| 33 | EOF |
| 34 | |
| 35 | n=`echo $n | sed 's/[^a-zA-Z0-9_][^a-zA-Z0-9_]*/_/g'` |
| 36 | case $f in |
| 37 | prime | niceprime | binpoly) |
| 38 | read t p; |
| 39 | if [ $t != p ]; then echo >&2 "$0: wanted p; found $t"; exit 1; fi |
| 40 | read t a |
| 41 | if [ $t != a ]; then echo >&2 "$0: wanted a; found $t"; exit 1; fi |
| 42 | read t b |
| 43 | if [ $t != b ]; then echo >&2 "$0: wanted b; found $t"; exit 1; fi |
| 44 | |
| 45 | cat <<EOF |
| 46 | static const mpw c_${n}_p[] = { |
| 47 | EOF |
| 48 | ./mpdump $p |
| 49 | cat <<EOF |
| 50 | }; |
| 51 | |
| 52 | static const mpw c_${n}_a[] = { |
| 53 | EOF |
| 54 | ./mpdump $a |
| 55 | cat <<EOF |
| 56 | }; |
| 57 | |
| 58 | static const mpw c_${n}_b[] = { |
| 59 | EOF |
| 60 | ./mpdump $b |
| 61 | cat <<EOF |
| 62 | }; |
| 63 | |
| 64 | EOF |
| 65 | ;; |
| 66 | *) echo >&2 "$0: unknown field type $f"; exit 1;; |
| 67 | esac |
| 68 | |
| 69 | read t r |
| 70 | if [ $t != r ]; then echo >&2 "$0: wanted r; found $t"; exit 1; fi |
| 71 | read t h |
| 72 | if [ $t != h ]; then echo >&2 "$0: wanted h; found $t"; exit 1; fi |
| 73 | read t gx |
| 74 | if [ $t != gx ]; then echo >&2 "$0: wanted gx; found $t"; exit 1; fi |
| 75 | read t gy |
| 76 | if [ $t != gy ]; then echo >&2 "$0: wanted gy; found $t"; exit 1; fi |
| 77 | |
| 78 | cat <<EOF |
| 79 | static const mpw c_${n}_r[] = { |
| 80 | EOF |
| 81 | ./mpdump $r |
| 82 | cat <<EOF |
| 83 | }; |
| 84 | |
| 85 | static const mpw c_${n}_h[] = { |
| 86 | EOF |
| 87 | ./mpdump $h |
| 88 | cat <<EOF |
| 89 | }; |
| 90 | |
| 91 | static const mpw c_${n}_gx[] = { |
| 92 | EOF |
| 93 | ./mpdump $gx |
| 94 | cat <<EOF |
| 95 | }; |
| 96 | |
| 97 | static const mpw c_${n}_gy[] = { |
| 98 | EOF |
| 99 | ./mpdump $gy |
| 100 | cat <<EOF |
| 101 | }; |
| 102 | |
| 103 | EOF |
| 104 | |
| 105 | case $f in |
| 106 | prime) ftag=FTAG_PRIME;; |
| 107 | niceprime) ftag=FTAG_NICEPRIME;; |
| 108 | binpoly) ftag=FTAG_BINPOLY;; |
| 109 | esac |
| 110 | cat <<EOF |
| 111 | static const ecdata c_$n = { |
| 112 | $ftag, |
| 113 | c_${n}_p, N(c_${n}_p), |
| 114 | c_${n}_a, N(c_${n}_a), |
| 115 | c_${n}_b, N(c_${n}_b), |
| 116 | c_${n}_r, N(c_${n}_r), |
| 117 | c_${n}_h, N(c_${n}_h), |
| 118 | c_${n}_gx, N(c_${n}_gx), |
| 119 | c_${n}_gy, N(c_${n}_gy) |
| 120 | }; |
| 121 | |
| 122 | EOF |
| 123 | |
| 124 | done |
| 125 | |
| 126 | cat <<EOF |
| 127 | /*----- Main table --------------------------------------------------------*/ |
| 128 | |
| 129 | const ecentry ectab[] = { |
| 130 | EOF |
| 131 | for i in $names; do |
| 132 | a=`echo $i | sed 's/=.*$//'` |
| 133 | n=`echo $i | sed 's/^.*=//; s/[^a-zA-Z0-9_][^a-zA-Z0-9_]*/_/g'` |
| 134 | cat <<EOF |
| 135 | { "$a", &c_$n }, |
| 136 | EOF |
| 137 | done |
| 138 | cat <<EOF |
| 139 | { 0, 0 } |
| 140 | }; |
| 141 | |
| 142 | /*----- That's all, folks -------------------------------------------------*/ |
| 143 | EOF |