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Merge pull request #421 from philljj/update_xmss_example 

Update xmss example.
pull/489/head
Daniel Pouzzner 2024-01-31 15:29:12 -05:00 committed by GitHub
parent 5a7c32742a 277a2dd3ba
commit eafcbee132
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GPG Key ID: B5690EEEBB952194
3 changed files with 32 additions and 11 deletions
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7
pq/stateful_hash_sig/Makefile
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@ -1,4 +1,8 @@
# PQ Stateful Hash-Based Signature Examples Makefile
#
# XMSS_INC, XMSS_LIB, and WOLF_STATIC_LIB are only required if
# building with --with-libxmss.
#
CC = gcc
LIB_PATH = /usr/local
HSS_INC =
@ -35,7 +39,10 @@ lms_example: lms_example.c
$(CC) -o $@ $< $(CFLAGS) -I$(HSS_INC) $(LIBS) $(WOLF_STATIC_LIB) $(HSS_LIB)
xmss_example: xmss_example.c
# If building with --enable-xmss=wolfssl:
$(CC) -o $@ $< $(CFLAGS) -I$(XMSS_INC) $(LIBS) $(WOLF_STATIC_LIB) $(XMSS_LIB)
# If building with --enable-xmss --with-libxmss=<path>:
# $(CC) -o $@ $< $(CFLAGS) $(LIBS) $(WOLF_DYN_LIB)
xmss_example_verifyonly: xmss_example.c
$(CC) -o $@ $< $(CFLAGS) -I$(XMSS_INC) -DWOLFSSL_XMSS_VERIFY_ONLY $(LIBS) $(WOLF_STATIC_LIB) $(XMSS_LIB)

11
pq/stateful_hash_sig/README.md
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@ -8,7 +8,8 @@ This directory contains:
- An example that uses wolfCrypt XMSS/XMSS^MT hooks to sign and verify a message
with a configurable XMSS/XMSS^MT parameter string. Requires wolfssl with `--enable-xmss=yes`
and `--with-libxmss=<path to patched xmss-reference install>`.
and `--with-libxmss=<path to patched xmss-reference install>`, or wolfssl
with `--enable-xmss=wolfssl`.
# Prerequisites
@ -18,8 +19,9 @@ in the wolfSSL repo's INSTALL file.
https://github.com/wolfSSL/wolfssl/blob/master/INSTALL
The XMSS/XMSS^MT example requires that the xmss-reference repository has been
cloned, patched, and built. Please see item 20 in the wolfSSL repo's INSTALL file.
If building with `--with-libxmss=<path>`, the XMSS/XMSS^MT example requires
that the xmss-reference repository has been cloned, patched, and built. Please
see item 20 in the wolfSSL repo's INSTALL file.
The patch to use is `0001-Patch-to-support-wolfSSL-xmss-reference-integration.patch` from this XMSS/XMSS^MT example.
This patch includes an addendum readme, `patch_readme.md`, that lists all changes made and explains their rationale.
@ -79,7 +81,8 @@ description:
# Building the XMSS/XMSS^MT example
Configure the Makefile to point to your xmss install:
If building with `--with-libxmss=<path>`, configure the Makefile to point to
your xmss install:
```
XMSS_INC = <path to patched xmss install>

25
pq/stateful_hash_sig/xmss_example.c
View File

@ -24,12 +24,16 @@
#include <wolfssl/options.h>
#include <wolfssl/wolfcrypt/error-crypt.h>
#ifdef HAVE_LIBXMSS
#ifdef WOLFSSL_HAVE_XMSS
#include <wolfssl/wolfcrypt/xmss.h>
#include <wolfssl/wolfcrypt/ext_xmss.h>
#ifdef HAVE_LIBXMSS
#include <wolfssl/wolfcrypt/ext_xmss.h>
#else
#include <wolfssl/wolfcrypt/wc_xmss.h>
#endif
static void dump_hex(const char * what, const uint8_t * buf, size_t len);
static void dump_hex(const char * what, const byte * buf, size_t len);
static void print_usage(void);
#if !defined WOLFSSL_XMSS_VERIFY_ONLY
static int do_xmss_example(const char * params, size_t sigs_to_do);
@ -304,6 +308,13 @@ do_xmss_example(const char * params,
printf("signing and verifying %zu signatures...\n", sigs_to_do);
for (size_t i = 0; i < sigs_to_do; ++i) {
ret = wc_XmssKey_SigsLeft(&signingKey);
if (ret <= 0) {
fprintf(stderr, "info: %zu: wc_XmssKey_SigsLeft returned %d\n", i, ret);
break;
}
ret = wc_XmssKey_Sign(&signingKey, sig, &sigSz,(byte *) msg,
strlen(msg));
if (ret) {
@ -524,9 +535,9 @@ read_file(byte * data,
#endif /* if !defined WOLFSSL_XMSS_VERIFY_ONLY */
static void
dump_hex(const char * what,
const uint8_t * buf,
size_t len)
dump_hex(const char * what,
const byte * buf,
size_t len)
{
printf("%s\n", what);
for (size_t i = 0; i < len; ++i) {
@ -547,7 +558,7 @@ dump_hex(const char * what,
#else
int main(int argc, char** argv) {
printf("This requires the --with-libxmss flag.\n");
printf("This requires --enable-xmss.\n");
return 0;
}
#endif /* WITH_LIBXMSS */