1 files changed, 57 insertions, 0 deletions

diff --git a/sntrup4591761.sh b/sntrup4591761.sh
new file mode 100644
index 000000000..e684c3329
--- /dev/null
+++ b/sntrup4591761.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+#       $OpenBSD: sntrup4591761.sh,v 1.3 2019/01/30 19:51:15 markus Exp $
+#       Placed in the Public Domain.
+#
+AUTHOR="libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/implementors"
+FILES="
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/int32_sort.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/int32_sort.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/small.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/mod3.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/modq.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/params.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/swap.h
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/dec.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/enc.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/keypair.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3_mult.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/r3_recip.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/randomsmall.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/randomweightw.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_mult.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_recip3.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_round3.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/rq_rounded.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/small.c
+        libpqcrypto-20180314/crypto_kem/sntrup4591761/ref/swap.c
+"
+###
+
+set -e
+cd $1
+echo -n '/*  $'
+echo 'OpenBSD: $ */'
+echo
+echo '/*'
+echo ' * Public Domain, Authors:'
+sed -e '/Alphabetical order:/d' -e 's/^/ * - /' < $AUTHOR
+echo ' */'
+echo
+echo '#include <string.h>'
+echo '#include "crypto_api.h"'
+echo
+for i in $FILES; do
+        echo "/* from $i */"
+        b=$(basename $i .c)
+        grep \
+           -v '#include' $i | \
+           grep -v "extern crypto_int32 small_random32" |
+           sed -e "s/crypto_kem_/crypto_kem_sntrup4591761_/g" \
+                -e "s/smaller_mask/smaller_mask_${b}/g" \
+                -e "s/^extern void /static void /" \
+                -e "s/^void /static void /"
+        echo
+done