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#!/bin/bash
set -eu
shopt -s extglob
# Run NIST's genkat_aead.c against the reference implementation as
# well as another one, and compare vectors.
TEST_DIR=$(dirname $0)
ROOT_DIR=${TEST_DIR}/..
implem=$1
list-implementation-files ()
{
local mode=$1
local key_length=$2
local src_dir=${ROOT_DIR}/src
# src/${implem} can contain arbitrary files; we need to copy
# everything save for the unused AE mode.
for f in ${src_dir}/${implem}/!(lilliput-i|lilliput-ii).[ch]
do
echo ${f}
done
echo ${src_dir}/${implem}/lilliput-${mode}.c
echo ${src_dir}/${mode}-${key_length}/parameters.h
}
run-genkat ()
{
local tmp_dir=$1
local implem=$2
local mode=$3
local keylen=$4
echo -e " ${mode}-${keylen}…"
local src_dir=${ROOT_DIR}/src
local vectors_dir=${tmp_dir}/vectors/${implem}
local genkat_dir=${tmp_dir}/genkat/${implem}/${mode}-${keylen}
local genkat=${genkat_dir}/genkat
local source_files=(
cipher.{c,h}
constants.h
lilliput-ae{.h,-utils.h}
lilliput-${mode}.c
tweakey.{c,h}
)
mkdir -p ${genkat_dir} # "-p" allows comparing ref against ref.
list-implementation-files ${mode} ${keylen} | xargs cp -t ${genkat_dir}
cp ${ROOT_DIR}/nist/{api.h,encrypt.c} ${genkat_dir}
cp ${ROOT_DIR}/nist/TestVectorGen/* ${genkat_dir}
local nist_flags=(-std=c99 -Wall -Wextra -Wshadow -fsanitize=address,undefined -O2)
gcc ${nist_flags[@]} -I${genkat_dir} ${genkat_dir}/*.c -o ${genkat}
${genkat}
mv LWC_AEAD_KAT*.txt ${vectors_dir}/${mode}-${keylen}
}
test-implem ()
{
local tmp_dir=$1
local implem=$2
echo "Generating vectors for implementation ${implem}…"
mkdir -p ${tmp_dir}/{genkat,vectors}/${implem}
local mode
local keylen
for mode in i ii
do
for keylen in 128 192 256
do
run-genkat ${tmp_dir} ${implem} ${mode} ${keylen}
done
done
}
tmp_dir=$(mktemp -d)
test-implem ${tmp_dir} ref
test-implem ${tmp_dir} ${implem}
diff --brief --new-file --recursive ${tmp_dir}/vectors/ref ${tmp_dir}/vectors/${implem}
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