/*
* test-rpc_hashsig.c
* ------------------
* Test code for RPC interface to Cryptech public key operations.
*
* Copyright (c) 2018, NORDUnet A/S
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the NORDUnet nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* Parts of this may eventually get folded into test-rpc_pkey.c,
* but for now I'd rather do it stand-alone.
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <hal.h>
#include "test-hashsig.h"
#include <sys/time.h>
#ifndef timersub
#define timersub(a, b, res) \
do { \
(res)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
(res)->tv_usec = (a)->tv_usec - (b)->tv_usec; \
if ((res)->tv_usec < 0) { \
(res)->tv_usec += 1000000; \
--(res)->tv_sec; \
} \
} while (0)
#endif
static int info = 0;
#define lose(...) do { printf(__VA_ARGS__); goto fail; } while (0)
static int test_hashsig_testvec_local(const hashsig_tc_t * const tc, hal_key_flags_t flags)
{
hal_error_t err;
assert(tc != NULL);
printf("Starting local hashsig test vector test\n");
uint8_t tc_keybuf[hal_hashsig_key_t_size];
hal_hashsig_key_t *tc_key = NULL;
if ((err = hal_hashsig_key_load_public_xdr(&tc_key,
tc_keybuf, sizeof(tc_keybuf),
tc->key.val, tc->key.len)) != HAL_OK)
lose("Error loading public key from test vector: %s\n", hal_error_string(err));
if ((err = hal_hashsig_verify(NULL, tc_key, tc->msg.val, tc->msg.len, tc->sig.val, tc->sig.len)) != HAL_OK)
lose("Error verifying: %s\n", hal_error_string(err));
printf("OK\n");
return 1;
fail:
return 0;
}
static int test_hashsig_testvec_remote(const hashsig_tc_t * const tc, hal_key_flags_t flags)
{
const hal_client_handle_t client = {HAL_HANDLE_NONE};
const hal_session_handle_t session = {HAL_HANDLE_NONE};
hal_pkey_handle_t public_key = {HAL_HANDLE_NONE};
hal_error_t err;
size_t len;
assert(tc != NULL);
{
flags |= HAL_KEY_FLAG_USAGE_DIGITALSIGNATURE;
printf("Starting remote hashsig test vector test, flags 0x%lx\n", (unsigned long) flags);
uint8_t tc_keybuf[hal_hashsig_key_t_size];
hal_hashsig_key_t *tc_key = NULL;
if ((err = hal_hashsig_key_load_public_xdr(&tc_key,
tc_keybuf, sizeof(tc_keybuf),
tc->key.val, tc->key.len)) != HAL_OK)
lose("Error loading public key from test vector: %s\n", hal_error_string(err));
hal_uuid_t public_name;
uint8_t public_der[hal_hashsig_public_key_to_der_len(tc_key)];
if ((err = hal_hashsig_public_key_to_der(tc_key, public_der, &len, sizeof(public_der))) != HAL_OK)
lose("Error DER encoding public key from test vector: %s\n", hal_error_string(err));
assert(len == sizeof(public_der));
if ((err = hal_rpc_pkey_load(client, session, &public_key, &public_name,
public_der, sizeof(public_der), flags)) != HAL_OK)
lose("Error loading public key: %s\n", hal_error_string(err));
if ((err = hal_rpc_pkey_verify(public_key, hal_hash_handle_none,
tc->msg.val, tc->msg.len, tc->sig.val, tc->sig.len)) != HAL_OK)
lose("Error verifying: %s\n", hal_error_string(err));
if ((err = hal_rpc_pkey_delete(public_key)) != HAL_OK)
goto fail_out;
printf("OK\n");
return 1;
}
fail:
if (public_key.handle != HAL_HANDLE_NONE &&
(err = hal_rpc_pkey_delete(public_key)) != HAL_OK)
fail_out:
printf("Error deleting public key: %s\n", hal_error_string(err));
return 0;
}
static void hexdump(const char * const label, const uint8_t * const buf, const size_t len)
{
printf("%-11s ", label);
for (size_t i = 0; i < len; ++i) {
printf("%02x", buf[i]);
if ((i & 0x0f) == 0x0f) {
printf("\n");
if (i < len - 1)
printf(" ");
}
}
if ((len & 0x0f) != 0)
printf("\n");
}
static inline size_t lms_type_to_h(const hal_lms_algorithm_t lms_type)
{
switch (lms_type) {
case HAL_LMS_SHA256_N32_H5: return 5;
case HAL_LMS_SHA256_N32_H10: return 10;
case HAL_LMS_SHA256_N32_H15: return 15;
case HAL_LMS_SHA256_N32_H20: return 20;
case HAL_LMS_SHA256_N32_H25: return 25;
default: return 0;
}
}
static inline size_t lmots_type_to_w(const hal_lmots_algorithm_t lmots_type)
{
switch (lmots_type) {
case HAL_LMOTS_SHA256_N32_W1: return 1;
case HAL_LMOTS_SHA256_N32_W2: return 2;
case HAL_LMOTS_SHA256_N32_W4: return 4;
case HAL_LMOTS_SHA256_N32_W8: return 8;
default: return 0;
}
}
static inline size_t lmots_type_to_p(const hal_lmots_algorithm_t lmots_type)
{
switch (lmots_type) {
case HAL_LMOTS_SHA256_N32_W1: return 265;
case HAL_LMOTS_SHA256_N32_W2: return 133;
case HAL_LMOTS_SHA256_N32_W4: return 67;
case HAL_LMOTS_SHA256_N32_W8: return 34;
default: return 0;
}
}
#include <xdr_internal.h>
static hal_error_t dump_hss_signature(const uint8_t * const sig, const size_t len)
{
const uint8_t *sigptr = sig;
const uint8_t * const siglim = sig + len;
hal_error_t err;
hexdump("Nspk", sigptr, 4);
uint32_t Nspk;
if ((err = hal_xdr_decode_int(&sigptr, siglim, &Nspk)) != HAL_OK) return err;
for (size_t i = 0; i < Nspk + 1; ++i) {
printf("--------------------------------------------\nsig[%lu]\n", i);
hexdump("q", sigptr, 4); sigptr += 4;
{
hexdump("lmots type", sigptr, 4);
uint32_t lmots_type;
if ((err = hal_xdr_decode_int(&sigptr, siglim, &lmots_type)) != HAL_OK) return err;
hexdump("C", sigptr, 32); sigptr += 32;
size_t p = lmots_type_to_p((const hal_lmots_algorithm_t)lmots_type);
for (size_t j = 0; j < p; ++j) {
char label[16];
sprintf(label, "y[%lu]", j);
hexdump(label, sigptr, 32); sigptr += 32;
}
}
hexdump("lms type", sigptr, 4);
uint32_t lms_type;
if ((err = hal_xdr_decode_int(&sigptr, siglim, &lms_type)) != HAL_OK) return err;
size_t h = lms_type_to_h((const hal_lms_algorithm_t)lms_type);
for (size_t j = 0; j < h; ++j) {
char label[16];
sprintf(label, "path[%lu]", j);
hexdump(label, sigptr, 32); sigptr += 32;
}
if (i == Nspk)
break;
printf("--------------------------------------------\npubkey[%lu]\n", i + 1);
hexdump("lms type", sigptr, 4); sigptr += 4;
hexdump("lmots type", sigptr, 4); sigptr += 4;
hexdump("I", sigptr, 16); sigptr += 16;
hexdump("T[1]", sigptr, 32); sigptr += 32;
}
if (sigptr < siglim) {
printf("--------------------------------------------\nextra\n");
hexdump("", sigptr, siglim - sigptr);
}
return HAL_OK;
}
static int test_hashsig_generate(const size_t L,
const hal_lms_algorithm_t lms_type,
const hal_lmots_algorithm_t lmots_type,
hal_key_flags_t flags,
const int keep,
hal_pkey_handle_t *handle)
{
const hal_client_handle_t client = {HAL_HANDLE_NONE};
const hal_session_handle_t session = {HAL_HANDLE_NONE};
hal_pkey_handle_t private_key = {HAL_HANDLE_NONE};
hal_error_t err;
hal_uuid_t private_name;
struct timeval tv_start, tv_end, tv_diff;
if (info) {
printf("Info: signature length %lu, lmots private key length %lu\n",
hal_hashsig_signature_len(L, lms_type, lmots_type),
hal_hashsig_lmots_private_key_len(lmots_type));
gettimeofday(&tv_start, NULL);
}
if ((err = hal_rpc_pkey_generate_hashsig(client, session, &private_key, &private_name,
L, lms_type, lmots_type, flags)) != HAL_OK)
lose("Error generating private key: %s\n", hal_error_string(err));
if (info) {
gettimeofday(&tv_end, NULL);
timersub(&tv_end, &tv_start, &tv_diff);
long per_key = (tv_diff.tv_sec * 1000000 + tv_diff.tv_usec) / (L * (1 << lms_type_to_h(lms_type)));
printf("Info: %ldm%ld.%03lds to generate key (%ld.%03lds per lmots key)\n",
(long)tv_diff.tv_sec / 60, (long)tv_diff.tv_sec % 60, (long)tv_diff.tv_usec / 1000,
(long)per_key / 1000000, ((long)per_key % 1000000) / 1000);
}
if (keep) {
char name_str[HAL_UUID_TEXT_SIZE];
if ((err = hal_uuid_format(&private_name, name_str, sizeof(name_str))) != HAL_OK)
lose("Error formatting private key name: %s\n", hal_error_string(err));
printf("Private key name: %s\n", name_str);
}
*handle = private_key;
printf("OK\n");
return 1;
fail:
if (private_key.handle != HAL_HANDLE_NONE &&
(err = hal_rpc_pkey_delete(private_key)) != HAL_OK)
printf("Error deleting private key: %s\n", hal_error_string(err));
handle->handle = HAL_HANDLE_NONE;
return 0;
}
static int test_hashsig_sign(const hal_pkey_handle_t private_key,
const uint8_t * const msg, const size_t msg_len,
const size_t iterations,
const char * const save_name,
uint8_t *sig, size_t *sig_len, const size_t sig_max)
{
hal_error_t err;
struct timeval tv_start, tv_end, tv_diff;
int i;
if (info)
gettimeofday(&tv_start, NULL);
for (i = 0; i < iterations; ++i) {
if ((err = hal_rpc_pkey_sign(private_key, hal_hash_handle_none,
msg, msg_len,
sig, sig_len, sig_max)) != HAL_OK) {
if (i > 0 && err == HAL_ERROR_HASHSIG_KEY_EXHAUSTED)
break;
else
lose("Error signing (%d): %s\n", i, hal_error_string(err));
}
}
if (info) {
gettimeofday(&tv_end, NULL);
timersub(&tv_end, &tv_start, &tv_diff);
long per_sig = (tv_diff.tv_sec * 1000000 + tv_diff.tv_usec) / i;
printf("Info: %ldm%ld.%03lds to generate %d signatures (%ld.%03lds per signature)\n",
(long)tv_diff.tv_sec / 60, (long)tv_diff.tv_sec % 60, (long)tv_diff.tv_usec / 1000, i,
(long)per_sig / 1000000, ((long)per_sig % 1000000) / 1000);
}
if (*save_name) {
/* save the signature for interop verification */
char fn[strlen(save_name) + 5];
sprintf(fn, "%s.sig", save_name);
FILE *fp;
if ((fp = fopen(fn, "wb")) == NULL)
lose("Error opening %s: %s\n", fn, strerror(errno));
size_t len;
if ((len = fwrite(sig, 1, *sig_len, fp)) != *sig_len)
lose("Error: wrote %lu bytes to %s, expected %lu\n", len, fn, *sig_len);
if (fclose(fp) != 0)
lose("Error closing %s: %s\n", fn, strerror(errno));
}
printf("OK\n");
return 1;
fail:
return 0;
}
static int test_hashsig_verify(const hal_pkey_handle_t private_key,
const uint8_t * const msg, const size_t msg_len,
const char * const save_name,
uint8_t *sig, size_t sig_len)
{
const hal_client_handle_t client = {HAL_HANDLE_NONE};
const hal_session_handle_t session = {HAL_HANDLE_NONE};
hal_error_t err;
hal_pkey_handle_t public_key = {HAL_HANDLE_NONE};
hal_uuid_t public_name;
uint8_t public_der[hal_rpc_pkey_get_public_key_len(private_key)];
size_t der_len;
if ((err = hal_rpc_pkey_get_public_key(private_key, public_der, &der_len, sizeof(public_der))) != HAL_OK)
lose("Error DER encoding public key from private key: %s\n", hal_error_string(err));
assert(der_len == sizeof(public_der));
if ((err = hal_rpc_pkey_load(client, session, &public_key, &public_name,
public_der, sizeof(public_der), HAL_KEY_FLAG_USAGE_DIGITALSIGNATURE)) != HAL_OK)
lose("Error loading public key: %s\n", hal_error_string(err));
if (*save_name) {
/* save the public key for interop verification */
char fn[strlen(save_name) + 5];
sprintf(fn, "%s.pub", save_name);
FILE *fp;
if ((fp = fopen(fn, "wb")) == NULL)
lose("Error opening %s: %s\n", fn, strerror(errno));
uint8_t pub[60];
size_t xdr_len;
if ((err = hal_hashsig_public_key_der_to_xdr(public_der, sizeof(public_der), pub, &xdr_len, sizeof(pub))) != HAL_OK)
lose("Error XDR encoding public key: %s\n", hal_error_string(err));
size_t write_len;
if ((write_len = fwrite(pub, 1, xdr_len, fp)) != xdr_len)
lose("Wrote %lu bytes to %s, expected %lu\n", write_len, fn, xdr_len);
if (fclose(fp) != 0)
lose("Error closing %s: %s\n", fn, strerror(errno));
}
struct timeval tv_start, tv_end, tv_diff;
if (info)
gettimeofday(&tv_start, NULL);
if ((err = hal_rpc_pkey_verify(public_key, hal_hash_handle_none,
msg, msg_len, sig, sig_len)) != HAL_OK)
lose("Error verifying: %s\n", hal_error_string(err));
if (info) {
gettimeofday(&tv_end, NULL);
timersub(&tv_end, &tv_start, &tv_diff);
printf("Info: %ldm%ld.%03lds to verify 1 signature\n",
(long)tv_diff.tv_sec / 60, (long)tv_diff.tv_sec % 60, (long)tv_diff.tv_usec / 1000);
}
if ((err = hal_rpc_pkey_delete(public_key)) != HAL_OK)
lose("Error deleting public key: %s\n", hal_error_string(err));
printf("OK\n");
return 1;
fail:
return 0;
}
static int read_sig(char *fn)
{
{
FILE *fp;
if ((fp = fopen(fn, "rb")) == NULL)
lose("Error opening %s: %s\n", fn, strerror(errno));
struct stat statbuf;
if (stat(fn, &statbuf) != 0)
lose("Error statting %s: %s\n", fn, strerror(errno));
uint8_t sig[statbuf.st_size];
size_t len;
if ((len = fread(sig, 1, sizeof(sig), fp)) != sizeof(sig))
lose("Error: read %lu bytes from %s, expected %lu\n", len, fn, sizeof(sig));
if (fclose(fp) != 0)
lose("Error closing %s: %s\n", fn, strerror(errno));
hal_error_t err;
if ((err = dump_hss_signature(sig, len)) != HAL_OK)
lose("Error parsing signature: %s\n", hal_error_string(err));
}
return 1;
fail:
return 0;
}
int main(int argc, char *argv[])
{
const hal_client_handle_t client = {HAL_HANDLE_NONE};
const hal_session_handle_t session = {HAL_HANDLE_NONE};
char *pin = "fnord";
int do_testvec = 0;
size_t iterations = 0;
size_t L_lo = 0, L_hi = 0;
size_t lms_lo = 5, lms_hi = 0;
size_t lmots_lo = 3, lmots_hi = 0;
int save = 0, keep = 0, verify = 0;
char *name = NULL;
hal_key_flags_t flags = HAL_KEY_FLAG_USAGE_DIGITALSIGNATURE | HAL_KEY_FLAG_TOKEN;
char *p;
hal_error_t err;
int ok = 1;
uint8_t *msg = tc1_msg;
size_t msg_len = sizeof(tc1_msg);
char usage[] = "\
Usage: %s [-i] [-p pin] [-t] [-L #] [-l #] [-o #] [-n #] [-s] [-r file] [-m file] [-x] [-v]\n\
-i: enable informational messages - runtimes and signature lengths\n\
-p: user PIN\n\
-t: verify test vectors\n\
-L: number of levels in the HSS scheme (1..8)\n\
-l: LMS type (5..9)\n\
-o: LM-OTS type (1..4)\n\
-n: number of signatures to generate (0..'max')\n\
-k: keep (don't delete) the generated keys on the hsm\n\
-K: use named key for signing (don't generate)\n\
-s: save generated public key and signatures for interop verification\n\
-r: read and pretty-print a saved signature file\n\
-m: use file as message to be signed\n\
-x: mark key as exportable\n\
-v: verify generated signature\n\
Numeric arguments can be a single number or a range, e.g. '1..4'\n";
int opt;
while ((opt = getopt(argc, argv, "itp:L:l:o:n:skK:r:xvm:h?")) != -1) {
switch (opt) {
case 'i':
info = 1;
break;
case 't':
do_testvec = 1;
break;
case 'p':
pin = optarg;
break;
case 'n':
if (strcmp(optarg, "max") == 0)
iterations = (size_t)-1;
else
iterations = (size_t)atoi(optarg);
break;
case 'L':
if ((p = strtok(optarg, ".")) != NULL)
L_lo = (size_t)atoi(p);
if ((p = strtok(NULL, ".")) != NULL)
L_hi = (size_t)atoi(p);
break;
case 'l':
if ((p = strtok(optarg, ".")) != NULL)
lms_lo = (size_t)atoi(p);
if ((p = strtok(NULL, ".")) != NULL)
lms_hi = (size_t)atoi(p);
break;
case 'o':
if ((p = strtok(optarg, ".")) != NULL)
lmots_lo = (size_t)atoi(p);
if ((p = strtok(NULL, ".")) != NULL)
lmots_hi = (size_t)atoi(p);
break;
case's':
save = 1;
break;
case 'k':
keep = 1;
break;
case 'K':
name = optarg;
break;
case 'r':
ok &= read_sig(optarg);
break;
case 'x':
flags |= HAL_KEY_FLAG_EXPORTABLE;
break;
case 'v':
verify = 1;
if (iterations == 0)
iterations = 1;
break;
case 'm':
{
FILE *fp;
struct stat statbuf;
if (stat(optarg, &statbuf) != 0)
lose("Error statting %s: %s\n", optarg, strerror(errno));
msg_len = statbuf.st_size;
if ((msg = malloc(msg_len)) == NULL)
lose("Error allocating message buffer: %s\n", strerror(errno));
if ((fp = fopen(optarg, "rb")) == NULL)
lose("Error opening %s: %s\n", optarg, strerror(errno));
size_t len;
if ((len = fread(msg, 1, msg_len, fp)) != msg_len)
lose("Error: read %lu bytes from %s, expected %lu\n", len, optarg, msg_len);
if (fclose(fp) != 0)
lose("Error closing %s: %s\n", optarg, strerror(errno));
break;
}
case 'h':
case '?':
fprintf(stdout, usage, argv[0]);
return EXIT_SUCCESS;
default:
fprintf(stderr, usage, argv[0]);
return EXIT_FAILURE;
}
}
if (L_hi < L_lo) L_hi = L_lo;
if (lms_hi < lms_lo) lms_hi = lms_lo;
if (lmots_hi < lmots_lo) lmots_hi = lmots_lo;
if ((err = hal_rpc_client_init()) != HAL_OK)
lose("Error initializing RPC client: %s\n", hal_error_string(err));
if ((err = hal_rpc_login(client, HAL_USER_NORMAL, pin, strlen(pin))) != HAL_OK)
lose("Error logging into HSM: %s\n", hal_error_string(err));
if (do_testvec) {
for (int i = 0; i < (sizeof(hashsig_tc)/sizeof(*hashsig_tc)); i++)
ok &= test_hashsig_testvec_local(&hashsig_tc[i], 0);
for (int i = 0; i < (sizeof(hashsig_tc)/sizeof(*hashsig_tc)); i++)
for (int j = 0; j < 2; j++)
ok &= test_hashsig_testvec_remote(&hashsig_tc[i], j * HAL_KEY_FLAG_TOKEN);
}
/* signing/performance tests: run with -i */
/* A single test would be of the form '-L 2 -l 5 -o 3 -n 1' */
/* A range test of just keygen would be of the form '-o 1..4 -n 0' */
/* A test to key exhaustion would be of the form '-n max' */
if (name != NULL) {
hal_uuid_t uuid;
hal_pkey_handle_t private_key = {HAL_HANDLE_NONE};
if ((err = hal_uuid_parse(&uuid, name)) != HAL_OK)
lose("Error parsing private key name: %s\n", hal_error_string(err));
else if ((err = hal_rpc_pkey_open(client, session, &private_key, &uuid)) != HAL_OK)
lose("Error opening private key: %s\n", hal_error_string(err));
if (save) {
/* save the message for interop verification */
FILE *fp;
if ((fp = fopen(name, "wb")) == NULL)
lose("Error opening %s: %s\n", name, strerror(errno));
size_t write_len;
if ((write_len = fwrite(msg, 1, msg_len, fp)) != msg_len)
lose("Error: wrote %lu bytes to %s, expected %lu\n", write_len, name, msg_len);
if (fclose(fp) != 0)
lose("Error closing %s: %s\n", name, strerror(errno));
}
uint8_t sig[16000];
size_t sig_len;
if (iterations > 0)
ok &= test_hashsig_sign(private_key, msg, msg_len, iterations,
save ? name : "", sig, &sig_len, sizeof(sig));
if (ok && verify)
ok &= test_hashsig_verify(private_key, msg, msg_len, save ? name : "", sig, sig_len);
/* implicitly keep the key */
}
else {
if (L_lo) {
for (size_t L = L_lo; L <= L_hi; ++L) {
for (hal_lms_algorithm_t lms_type = lms_lo; lms_type <= lms_hi; ++lms_type) {
for (hal_lmots_algorithm_t lmots_type = lmots_lo; lmots_type <= lmots_hi; ++lmots_type) {
printf("Starting hashsig key test: L %lu, lms type %u (h=%lu), lmots type %u (w=%lu)\n",
L, lms_type, lms_type_to_h(lms_type), lmots_type, lmots_type_to_w(lmots_type));
char save_name[16] = "";
if (save) {
/* save the message for interop verification */
sprintf(save_name, "L%d.lms%d.ots%d", (int)L, (int)lms_type, (int)lmots_type);
FILE *fp;
if ((fp = fopen(save_name, "wb")) == NULL)
lose("Error opening %s: %s\n", save_name, strerror(errno));
size_t write_len;
if ((write_len = fwrite(msg, 1, msg_len, fp)) != msg_len)
lose("Error: wrote %lu bytes to %s, expected %lu\n", write_len, save_name, msg_len);
if (fclose(fp) != 0)
lose("Error closing %s: %s\n", save_name, strerror(errno));
}
hal_pkey_handle_t private_key = {HAL_HANDLE_NONE};
ok &= test_hashsig_generate(L, lms_type, lmots_type, flags, keep, &private_key);
uint8_t sig[hal_hashsig_signature_len(L, lms_type, lmots_type)];
size_t sig_len;
if (ok && iterations > 0)
ok &= test_hashsig_sign(private_key, msg, msg_len, iterations, save_name, sig, &sig_len, sizeof(sig));
if (ok && verify)
ok &= test_hashsig_verify(private_key, msg, msg_len, save_name, sig, sig_len);
if (!keep && ((err = hal_rpc_pkey_delete(private_key)) != HAL_OK))
lose("Error deleting private key: %s\n", hal_error_string(err));
}
}
}
}
}
if ((err = hal_rpc_logout(client)) != HAL_OK)
lose("Error logging out of HSM: %s\n", hal_error_string(err));
if ((err = hal_rpc_client_close()) != HAL_OK)
lose("Error shutting down RPC client: %s\n", hal_error_string(err));
fail:
return !ok;
}