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75 lines
2.1 KiB
75 lines
2.1 KiB
#!/bin/sh
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# Smart Card Authentication Helper (c) 2008 Timothy Pearson
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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authscript="C0 84 00 00 08"
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echo $authscript > authscript
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scriptor_standalone authscript | grep 'Normal processing' > challenge
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perl -pi -e 's/ //g' challenge
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perl -pi -e 's/:Normalprocessing.//g' challenge
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perl -pi -e 's/<//g' challenge
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xxd -r -p challenge challenge
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# Now DES encrypt the challenge
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openssl des-ecb -in challenge -out response -K 0000000000000000 -iv 1
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# Truncate to 6 bytes
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dd if=response of=response2 bs=1 count=6
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# Expand to standard hex listing format
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xxd -g 1 response2 response
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dd if=response of=response2 bs=1 count=17 skip=9
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# Assemble the response file
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response2=$(cat response2)
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response1="C0 82 00 00 07 01 ${response2}"
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echo $response1 > response
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# Send the response!
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scriptor_standalone response > response2
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# Get the result
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dd if=response2 of=response bs=1 count=5 skip=95
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perl -pi -e 's/ //g' response
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response1=$(cat response)
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authokresponse="9000"
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if [ "$response1" = "$authokresponse" ]; then
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echo "Smart card validation successfull!"
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# Get encryption key
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authscript="C0 A4 00 00 02 10 01"
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echo $authscript > authscript
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scriptor_standalone authscript
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#authscript="C0 B0 00 00 00"
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authscript=""
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echo $authscript > authscript
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scriptor_standalone authscript > smart
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mkdir smartcard
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cd smartcard
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echo "get 1001" | opensc-explorer
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cd ..
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rm smart
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mv smartcard/*_1001 smart.key
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else
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echo "Authentication failed!"
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fi
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rm authscript &
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rm response &
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rm response2 &
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rm challenge &
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