36 lines
864 B
Bash
36 lines
864 B
Bash
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#!/bin/sh
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set -eu
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: ${OPENSSL:=openssl}
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NB=20
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OPT="-days 3653 -sha256"
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# generate self-signed root
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$OPENSSL ecparam -name prime256v1 -genkey -out 00.key
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$OPENSSL req -new -x509 -subj "/C=UK/O=mbed TLS/CN=CA00" $OPT \
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-key 00.key -out 00.crt
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# cXX.pem is the chain starting at XX
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cp 00.crt c00.pem
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# generate long chain
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i=1
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while [ $i -le $NB ]; do
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UP=$( printf "%02d" $((i-1)) )
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ME=$( printf "%02d" $i )
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$OPENSSL ecparam -name prime256v1 -genkey -out ${ME}.key
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$OPENSSL req -new -subj "/C=UK/O=mbed TLS/CN=CA${ME}" \
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-key ${ME}.key -out ${ME}.csr
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$OPENSSL x509 -req -CA ${UP}.crt -CAkey ${UP}.key -set_serial 1 $OPT \
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-extfile int.opensslconf -extensions int \
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-in ${ME}.csr -out ${ME}.crt
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cat ${ME}.crt c${UP}.pem > c${ME}.pem
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rm ${ME}.csr
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i=$((i+1))
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done
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