Blame SOURCES/hobble-openssl

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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:   ????????? ??/??/2017 - expired, we do not remove it anymore
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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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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"`; 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 test -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 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_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