~mdw / distorted-keys / blame
| Commit | Line | Data |
|---|---|---|
| 53263601 MW |
1 | #! /bin/sh |
| 2 | ### | |
| 3 | ### Construct a new set of keeper keys | |
| 4 | ### | |
| 5 | ### (c) 2011 Mark Wooding | |
| 6 | ### | |
| 7 | ||
| 8 | ###----- Licensing notice --------------------------------------------------- | |
| 9 | ### | |
| 10 | ### This program is free software; you can redistribute it and/or modify | |
| 11 | ### it under the terms of the GNU General Public License as published by | |
| 12 | ### the Free Software Foundation; either version 2 of the License, or | |
| 13 | ### (at your option) any later version. | |
| 14 | ### | |
| 15 | ### This program is distributed in the hope that it will be useful, | |
| 16 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | ### GNU General Public License for more details. | |
| 19 | ### | |
| 20 | ### You should have received a copy of the GNU General Public License | |
| 21 | ### along with this program; if not, write to the Free Software Foundation, | |
| 22 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 23 | ||
| 24 | set -e | |
| 25 | case "${KEYSLIB+t}" in t) ;; *) echo >&2 "$0: KEYSLIB unset"; exit 1 ;; esac | |
| 26 | . "$KEYSLIB"/keyfunc.sh | |
| 27 | ||
| 28 | defhelp <<HELP | |
| 29 | KEEPER N | |
| 30 | Create a new set of keeper keys. | |
| 31 | ||
| 32 | The private keys are stored in KEEPER/I for each 0 <= I < N in the current | |
| 33 | directory; presumably you'll do something sensible with them. A new | |
| 34 | directory $KEYS/keeper/KEEPER is created (it is an error if it already | |
| 35 | exists), containing the public keys I.pub and some metadata meta. | |
| 36 | HELP | |
| 37 | dohelp | |
| 38 | ||
| 39 | ## Parse the command line. | |
| 40 | case $# in 2) ;; *) echo >&2 "$usage"; exit 1 ;; esac | |
| 41 | keeper=$1 n=$2 | |
| 42 | checkword "keeper set label" "$keeper" | |
| 43 | checknumber "set size" "$n" | |
| 44 | ||
| 45 | ## Preflight checking. | |
| 46 | if [ -e $KEYS/keeper/$keeper ]; then | |
| 47 | echo >&2 "$0: keeper set \`$keeper' already exists" | |
| 48 | exit 1 | |
| 49 | fi | |
| 50 | if [ -e $keeper ]; then | |
| 51 | echo >&2 "$0: destination \`$keeper' already exists" | |
| 52 | exit 1 | |
| 53 | fi | |
| 54 | ||
| 55 | ## Generate the private keys, one per file, and compute the public keys. | |
| 56 | tmp=$(mktmp); cleanup rmtmp | |
| 57 | rm -rf $keeper.new | |
| 58 | mkdir -m700 $keeper.new | |
| 59 | mkdir -p -m755 $KEYS/keeper/$keeper.new | |
| 60 | echo $n >$KEYS/keeper/$keeper.new/meta | |
| 61 | i=0 | |
| 62 | while [ $i -lt $n ]; do | |
| 63 | ec_keygen $keeper.new/$i $KEYS/keeper/$keeper.new/$i.pub | |
| 64 | i=$(( i + 1 )) | |
| 65 | done | |
| 66 | mv $keeper.new $keeper | |
| 67 | mv $KEYS/keeper/$keeper.new $KEYS/keeper/$keeper | |
| 68 | ||
| 69 | ###----- That's all, folks -------------------------------------------------- |