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adx |
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#!/bin/sh |
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knight |
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# $Id$ |
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adx |
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# |
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# mkkeypair - short shell script to generate a OpenSSL RSA key suitable |
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# for use with cryptlinks. |
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# |
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# (C) 2003 Joshua Kwan and the IRCD-Hybrid team |
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# See LICENSE for the terms of copying. |
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if test -f rsa.key; then |
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echo Moving old key out of the way to rsa.key.old |
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mv rsa.key rsa.key.old |
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fi |
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if test -f rsa.pub; then |
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echo Moving old public key out of the way to rsa.pub.old |
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mv rsa.pub rsa.pub.old |
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fi |
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echo Generating random bytes |
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if test -c /dev/urandom; then |
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RANDGEN=/dev/urandom |
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elif test -c /dev/random; then |
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RANDGEN=/dev/random |
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else |
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RANDGEN=input |
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fi |
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if test "$RANDGEN" = input; then |
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echo "Your system doesn't have a suitable random data generator," |
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echo "so type 150 characters of gibberish here to simulate it." |
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read -n 150 randomdata |
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echo |
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echo "$randomdata" > randdata |
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sort < randdata >> randdata.1 |
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cat randdata.1 >> randdata |
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rm -f randdata.1 |
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else |
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dd if=$RANDGEN of=randdata count=1 bs=2048 |
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fi |
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echo Creating the private key. |
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openssl genrsa -rand randdata -out rsa.key 2048 || exit 1 |
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chmod 600 rsa.key |
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echo Creating the public key from the private key. |
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openssl rsa -in rsa.key -out rsa.pub -pubout || exit 1 |
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chmod 644 rsa.pub |
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echo |
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echo Private key now exists as rsa.key |
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echo Public key now exists as rsa.pub |
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rm -f randdata |
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