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/*
* pkey-import.c
* -------------
* Import a key.
*
* 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.
*/
#include <stdio.h>
#include <getopt.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <hal.h>
#define HAL_KS_WRAPPED_KEYSIZE ((2373 + 6 * 4096 / 8 + 6 * 4 + 15) & ~7)
#define lose(...) do { printf(__VA_ARGS__); goto fail; } while (0)
static int read_file(const char * const fn, uint8_t * const buf, size_t *buf_len, const size_t buf_max)
{
int fd;
if ((fd = open(fn, O_RDONLY)) == -1)
lose("Error opening %s: %s\n", fn, strerror(errno));
size_t nread;
if ((nread = read(fd, buf, buf_max)) == -1)
lose("Error reading %s: %s\n", fn, strerror(errno));
*buf_len = nread;
if (close(fd) != 0)
lose("Error closing %s: %s\n", fn, strerror(errno));
return 0;
fail:
return -1;
}
static int read_buf(const char * const name, const char * const ext, uint8_t * const buf, size_t *buf_len, const size_t buf_max)
{
char fn[strlen(name) + strlen(ext) + 1];
strcpy(fn, name);
strcat(fn, ext);
return read_file(fn, buf, buf_len, buf_max);
}
#define lose_usage(...) do { printf(__VA_ARGS__); printf(usage, argv[0]); goto fail; } while (0)
int main(int argc, char *argv[])
{
hal_error_t err;
const hal_client_handle_t client = {HAL_HANDLE_NONE};
const hal_session_handle_t session = {HAL_HANDLE_NONE};
char *pin = "fnord";
char *kekek_fn = NULL;
char *key_fn = NULL;
char usage[] = "\
Usage: %s [-p pin] <-k kekek> keyfile\n\
";
int opt;
while ((opt = getopt(argc, argv, "p:k:")) != -1) {
switch (opt) {
case 'p':
pin = optarg;
break;
case 'k':
kekek_fn = optarg;
break;
case 'h':
case '?':
printf(usage, argv[0]);
return 0;
}
}
key_fn = argv[optind];
if (kekek_fn == NULL)
lose_usage("Error: missing option -k\n");
if (key_fn == NULL)
lose_usage("Error: missing keyfile\n");
uint8_t kekek_der[HAL_KS_WRAPPED_KEYSIZE]; size_t kekek_der_len;
if (read_file(kekek_fn, kekek_der, &kekek_der_len, sizeof(kekek_der)) != 0)
goto fail;
uint8_t der[HAL_KS_WRAPPED_KEYSIZE]; size_t der_len;
uint8_t kek[HAL_KS_WRAPPED_KEYSIZE]; size_t kek_len;
if (read_buf(key_fn, ".der", der, &der_len, sizeof(der)) != 0 ||
read_buf(key_fn, ".kek", kek, &kek_len, sizeof(kek)) != 0)
goto fail;
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));
hal_pkey_handle_t kekek = {HAL_HANDLE_NONE};
hal_uuid_t kekek_name;
if ((err = hal_rpc_pkey_load(client, session, &kekek, &kekek_name,
kekek_der, kekek_der_len,
HAL_KEY_FLAG_USAGE_KEYENCIPHERMENT)) != HAL_OK)
lose("Error loading import key: %s\n", hal_error_string(err));
hal_pkey_handle_t private_key = {HAL_HANDLE_NONE};
hal_uuid_t private_name;
if ((err = hal_rpc_pkey_import(client, session,
&private_key, &private_name,
kekek,
der, der_len,
kek, kek_len,
HAL_KEY_FLAG_USAGE_DIGITALSIGNATURE | HAL_KEY_FLAG_TOKEN | HAL_KEY_FLAG_EXPORTABLE)) != HAL_OK)
lose("Error importing private key: %s\n", hal_error_string(err));
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("New private key name: %s\n", name_str);
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));
return 0;
fail:
return -1;
}
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