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#!/bin/sh
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# Quit out if anything fails.
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set -e
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# Clean out patent-or-otherwise-encumbered code.
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# MDC-2: 4,908,861 13/03/2007 - expired, we do not remove it but do not enable it anyway
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# IDEA: 5,214,703 07/01/2012 - expired, we do not remove it anymore
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# RC5: 5,724,428 01/11/2015 - expired, we do not remove it anymore
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# EC: ????????? ??/??/2020
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# SRP: ????????? ??/??/20??
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# Remove assembler portions of IDEA, MDC2, and RC5.
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# (find crypto/rc5/asm -type f | xargs -r rm -fv)
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# SRP.
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for a in srp; do
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for c in `find crypto/$a -name "*.c" -a \! -name "*test*" -type f` ; do
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echo Destroying $c
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> $c
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done
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done
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for c in `find crypto/bn -name "*gf2m.c"`; do
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echo Destroying $c
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> $c
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done
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for c in `find crypto/ec -name "ec2*.c" -o -name "ec_curve.c" -o -name "ecp_nistp22?.c" -o -name "ectest.c"`; do
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echo Destroying $c
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> $c
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done
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for h in `find crypto ssl apps test -name "*.h"` ; do
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echo Removing SRP and EC2M references from $h
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cat $h | \
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awk 'BEGIN {ech=1;} \
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/^#[ \t]*ifndef.*NO_SRP/ {ech--; next;} \
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/^#[ \t]*ifndef.*NO_EC2M/ {ech--; next;} \
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/^#[ \t]*if/ {if(ech < 1) ech--;} \
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{if(ech>0) {;print $0};} \
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/^#[ \t]*endif/ {if(ech < 1) ech++;}' > $h.hobbled && \
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mv $h.hobbled $h
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done
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# Make the makefiles happy.
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# touch crypto/rc5/asm/rc5-586.pl
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