mirror of git://anongit.mindrot.org/openssh.git
149 lines
5.0 KiB
Bash
149 lines
5.0 KiB
Bash
#!/bin/sh
|
|
# $OpenBSD: mlkem768.sh,v 1.2 2024/09/04 05:11:33 djm Exp $
|
|
# Placed in the Public Domain.
|
|
#
|
|
|
|
WANT_LIBCRUX_REVISION="origin/main"
|
|
|
|
FILES="
|
|
libcrux/libcrux-ml-kem/cg/eurydice_glue.h
|
|
libcrux/libcrux-ml-kem/cg/libcrux_core.h
|
|
libcrux/libcrux-ml-kem/cg/libcrux_ct_ops.h
|
|
libcrux/libcrux-ml-kem/cg/libcrux_sha3_portable.h
|
|
libcrux/libcrux-ml-kem/cg/libcrux_mlkem768_portable.h
|
|
"
|
|
|
|
START="$PWD"
|
|
die() {
|
|
echo "$@" 1>&2
|
|
exit 1
|
|
}
|
|
|
|
set -xeuo pipefail
|
|
test -d libcrux || git clone https://github.com/cryspen/libcrux
|
|
cd libcrux
|
|
test `git diff | wc -l` -ne 0 && die "tree has unstaged changes"
|
|
git fetch
|
|
git checkout -B extract 1>&2
|
|
git reset --hard $WANT_LIBCRUX_REVISION 1>&2
|
|
LIBCRUX_REVISION=`git rev-parse HEAD`
|
|
set +x
|
|
|
|
cd $START
|
|
(
|
|
printf '/* $Open'; printf 'BSD$ */\n' # Sigh
|
|
echo
|
|
echo "/* Extracted from libcrux revision $LIBCRUX_REVISION */"
|
|
echo
|
|
echo '/*'
|
|
cat libcrux/LICENSE-MIT | sed 's/^/ * /;s/ *$//'
|
|
echo ' */'
|
|
echo
|
|
echo '#if !defined(__GNUC__) || (__GNUC__ < 2)'
|
|
echo '# define __attribute__(x)'
|
|
echo '#endif'
|
|
echo '#define KRML_MUSTINLINE inline'
|
|
echo '#define KRML_NOINLINE __attribute__((noinline, unused))'
|
|
echo '#define KRML_HOST_EPRINTF(...)'
|
|
echo '#define KRML_HOST_EXIT(x) fatal_f("internal error")'
|
|
echo
|
|
for i in $FILES; do
|
|
echo "/* from $i */"
|
|
# Changes to all files:
|
|
# - remove all includes, we inline everything required.
|
|
# - cleanup whitespace
|
|
sed -e "/#include/d" \
|
|
-e 's/[ ]*$//' \
|
|
$i | \
|
|
case "$i" in
|
|
# XXX per-file handling goes here.
|
|
# Default: pass through.
|
|
*)
|
|
cat
|
|
;;
|
|
esac
|
|
echo
|
|
done
|
|
|
|
echo
|
|
echo '/* rename some types to be a bit more ergonomic */'
|
|
echo '#define libcrux_mlkem768_keypair libcrux_ml_kem_mlkem768_MlKem768KeyPair_s'
|
|
echo '#define libcrux_mlkem768_pk_valid_result Option_92_s'
|
|
echo '#define libcrux_mlkem768_pk libcrux_ml_kem_types_MlKemPublicKey_15_s'
|
|
echo '#define libcrux_mlkem768_sk libcrux_ml_kem_types_MlKemPrivateKey_55_s'
|
|
echo '#define libcrux_mlkem768_ciphertext libcrux_ml_kem_mlkem768_MlKem768Ciphertext_s'
|
|
echo '#define libcrux_mlkem768_enc_result tuple_3c_s'
|
|
) > libcrux_mlkem768_sha3.h_new
|
|
|
|
# Do some checks on the resultant file
|
|
|
|
cat > libcrux_mlkem768_sha3_check.c << _EOF
|
|
#include <sys/types.h>
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include <signal.h>
|
|
#include <err.h>
|
|
#include "crypto_api.h"
|
|
#define fatal_f(x) exit(1)
|
|
#include "libcrux_mlkem768_sha3.h_new"
|
|
int main(void) {
|
|
struct libcrux_mlkem768_keypair keypair = {0};
|
|
struct libcrux_mlkem768_pk pk = {0};
|
|
struct libcrux_mlkem768_sk sk = {0};
|
|
struct libcrux_mlkem768_ciphertext ct = {0};
|
|
struct libcrux_mlkem768_enc_result enc_result = {0};
|
|
uint8_t kp_seed[64] = {0}, enc_seed[32] = {0};
|
|
uint8_t shared_key[crypto_kem_mlkem768_BYTES];
|
|
|
|
if (sizeof(keypair.pk.value) != crypto_kem_mlkem768_PUBLICKEYBYTES)
|
|
errx(1, "keypair.pk bad");
|
|
if (sizeof(keypair.sk.value) != crypto_kem_mlkem768_SECRETKEYBYTES)
|
|
errx(1, "keypair.sk bad");
|
|
if (sizeof(pk.value) != crypto_kem_mlkem768_PUBLICKEYBYTES)
|
|
errx(1, "pk bad");
|
|
if (sizeof(sk.value) != crypto_kem_mlkem768_SECRETKEYBYTES)
|
|
errx(1, "sk bad");
|
|
if (sizeof(ct.value) != crypto_kem_mlkem768_CIPHERTEXTBYTES)
|
|
errx(1, "ct bad");
|
|
if (sizeof(enc_result.fst.value) != crypto_kem_mlkem768_CIPHERTEXTBYTES)
|
|
errx(1, "enc_result ct bad");
|
|
if (sizeof(enc_result.snd) != crypto_kem_mlkem768_BYTES)
|
|
errx(1, "enc_result shared key bad");
|
|
|
|
keypair = libcrux_ml_kem_mlkem768_portable_generate_key_pair(kp_seed);
|
|
if (!libcrux_ml_kem_mlkem768_portable_validate_public_key(&keypair.pk))
|
|
errx(1, "valid smoke failed");
|
|
enc_result = libcrux_ml_kem_mlkem768_portable_encapsulate(&keypair.pk,
|
|
enc_seed);
|
|
libcrux_ml_kem_mlkem768_portable_decapsulate(&keypair.sk,
|
|
&enc_result.fst, shared_key);
|
|
if (memcmp(shared_key, enc_result.snd, sizeof(shared_key)) != 0)
|
|
errx(1, "smoke failed");
|
|
return 0;
|
|
}
|
|
_EOF
|
|
cc -Wall -Wextra -Wno-unused-parameter -o libcrux_mlkem768_sha3_check \
|
|
libcrux_mlkem768_sha3_check.c
|
|
./libcrux_mlkem768_sha3_check
|
|
|
|
# Extract PRNG inputs; there's no nice #defines for these
|
|
key_pair_rng_len=`sed -e '/^libcrux_ml_kem_mlkem768_portable_kyber_generate_key_pair[(]$/,/[)] {$/!d' < libcrux_mlkem768_sha3.h_new | grep 'uint8_t randomness\[[0-9]*U\][)]' | sed 's/.*randomness\[\([0-9]*\)U\].*/\1/'`
|
|
enc_rng_len=`sed -e '/^static inline tuple_3c libcrux_ml_kem_mlkem768_portable_kyber_encapsulate[(]$/,/[)] {$/!d' < libcrux_mlkem768_sha3.h_new | grep 'uint8_t randomness\[[0-9]*U\][)]' | sed 's/.*randomness\[\([0-9]*\)U\].*/\1/'`
|
|
test -z "$key_pair_rng_len" && die "couldn't find size of libcrux_ml_kem_mlkem768_portable_kyber_generate_key_pair randomness argument"
|
|
test -z "$enc_rng_len" && die "couldn't find size of libcrux_ml_kem_mlkem768_portable_kyber_encapsulate randomness argument"
|
|
|
|
(
|
|
echo "/* defines for PRNG inputs */"
|
|
echo "#define LIBCRUX_ML_KEM_KEY_PAIR_PRNG_LEN $key_pair_rng_len"
|
|
echo "#define LIBCRUX_ML_KEM_ENC_PRNG_LEN $enc_rng_len"
|
|
) >> libcrux_mlkem768_sha3.h_new
|
|
|
|
mv libcrux_mlkem768_sha3.h_new libcrux_mlkem768_sha3.h
|
|
rm libcrux_mlkem768_sha3_check libcrux_mlkem768_sha3_check.c
|
|
echo 1>&2
|
|
echo "libcrux_mlkem768_sha3.h OK" 1>&2
|
|
|