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#include <sys/types.h>
#include <sys/ioctl.h>
#include <string.h>
#include <errno.h>
#include "../ncr.h"
#include "ncrypto.h"
extern int __ncr_file_descriptor;
int
ncr_key_init(ncr_key_t *key)
{
if ((__ncr_file_descriptor < 0) && (ncr_global_init(0) < 0))
return -1;
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_INIT, key) < 0)
return -1;
return 0;
}
int
ncr_key_generate(ncr_key_t key, ncr_key_generate_params_t params)
{
struct ncr_key_generate_st io;
memset(&io, 0, sizeof(io));
if (key == NCR_KEY_INVALID) {
errno = EINVAL;
return -1;
}
io.desc = key;
if (params)
memmove(&io.params, params, sizeof(io.params));
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_GENERATE, &io) < 0)
return -1;
return 0;
}
int
ncr_key_generate_pair(ncr_key_t key1, ncr_key_t key2, ncr_key_generate_params_t params)
{
struct ncr_key_generate_st io;
memset(&io, 0, sizeof(io));
if (key1 == NCR_KEY_INVALID|| key2 == NCR_KEY_INVALID) {
errno = EINVAL;
return -1;
}
io.desc = key1;
io.desc2 = key2;
if (params)
memmove(&io.params, params, sizeof(io.params));
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_GENERATE_PAIR, &io) < 0)
return -1;
return 0;
}
int
ncr_key_derive(ncr_key_t newkey, unsigned int keyflags, ncr_key_t key, ncr_key_params_t params)
{
struct ncr_key_derivation_params_st io;
memset(&io, 0, sizeof(io));
if (newkey == NCR_KEY_INVALID || key == NCR_KEY_INVALID) {
errno = EINVAL;
return -1;
}
io.newkey = newkey;
io.key = key;
io.keyflags = keyflags;
if (params)
memmove(&io.params, params, sizeof(io.params));
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_DERIVE, &io) < 0)
return -1;
return 0;
}
static int
ncr_key_get_info(struct ncr_key_info_st *dest, ncr_key_t key)
{
if (key == NCR_KEY_INVALID) {
errno = EINVAL;
return -1;
}
memset(dest, 0, sizeof(*dest));
dest->key = key;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_GET_INFO, dest) < 0)
return -1;
return 0;
}
ncr_algorithm_t
ncr_key_get_algorithm(ncr_key_t key)
{
struct ncr_key_info_st io;
if (ncr_key_get_info(&io, key) < 0)
return -1;
return io.algorithm;
}
int
ncr_key_get_flags(ncr_key_t key)
{
struct ncr_key_info_st io;
if (ncr_key_get_info(&io, key) < 0)
return -1;
return io.flags;
}
ncr_key_type_t
ncr_key_get_type(ncr_key_t key)
{
struct ncr_key_info_st io;
if (ncr_key_get_info(&io, key) < 0)
return -1;
return io.type;
}
int
ncr_key_get_id(ncr_key_t key, void *id, size_t *id_size)
{
struct ncr_key_info_st io;
if (ncr_key_get_info(&io, key) < 0)
return -1;
if (io.key_id_size < *id_size)
*id_size = io.key_id_size;
memmove(id, &io.key_id, *id_size);
return 0;
}
int
ncr_key_export(ncr_key_t key, void *idata, size_t idata_size)
{
struct ncr_key_data_st io;
memset(&io, 0, sizeof(io));
if (key == NCR_KEY_INVALID || !idata || !idata_size) {
errno = EINVAL;
return -1;
}
io.key = key;
io.idata = idata;
io.idata_size = idata_size;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_EXPORT, &io) < 0)
return -1;
return io.idata_size;
}
int
ncr_key_import(ncr_key_t key, void *idata, size_t idata_size, void *id, size_t id_size, ncr_algorithm_t algorithm, unsigned int type, unsigned int flags)
{
struct ncr_key_data_st io;
memset(&io, 0, sizeof(io));
if (key == NCR_KEY_INVALID || !idata || !idata_size || (!id && id_size != 0) || algorithm == NCR_ALG_NONE) {
errno = EINVAL;
return -1;
}
io.key = key;
io.idata = idata;
io.idata_size = idata_size;
if (id_size > MAX_KEY_ID_SIZE) {
errno = EOVERFLOW;
return -1;
}
memmove(&io.key_id, id, id_size);
io.key_id_size = id_size;
io.algorithm = algorithm;
io.type = type;
io.flags = flags;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_IMPORT, &io) < 0)
return -1;
return 0;
}
int
ncr_key_wrap(ncr_key_t key, ncr_wrap_algorithm_t algorithm, ncr_key_params_t params, ncr_key_t keytowrap, void *idata, size_t idata_size)
{
struct ncr_key_wrap_st io;
memset(&io, 0, sizeof(io));
if (key == NCR_KEY_INVALID || keytowrap == NCR_KEY_INVALID || !idata || !idata_size) {
errno = EINVAL;
return -1;
}
io.key = key;
io.algorithm = algorithm;
if (params)
memmove(&io.params, params, sizeof(io.params));
io.keytowrap = keytowrap;
io.io = idata;
io.io_size = idata_size;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_WRAP, &io) < 0)
return -1;
return io.io_size;
}
int
ncr_key_unwrap(ncr_key_t key, ncr_wrap_algorithm_t algorithm, ncr_key_params_t params, ncr_key_t keytowrap, void *idata, size_t idata_size)
{
struct ncr_key_wrap_st io;
memset(&io, 0, sizeof(io));
if (key == NCR_KEY_INVALID || keytowrap == NCR_KEY_INVALID || !idata || !idata_size) {
errno = EINVAL;
return -1;
}
io.key = key;
io.algorithm = algorithm;
if (params)
memmove(&io.params, params, sizeof(io.params));
io.keytowrap = keytowrap;
io.io = idata;
io.io_size = idata_size;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_UNWRAP, &io) < 0)
return -1;
return 0;
}
int
ncr_key_storage_wrap(ncr_key_t keytowrap, void *idata, size_t idata_size)
{
struct ncr_key_storage_wrap_st io;
memset(&io, 0, sizeof(io));
if (keytowrap == NCR_KEY_INVALID || !idata || !idata_size) {
errno = EINVAL;
return -1;
}
io.keytowrap = keytowrap;
io.io = idata;
io.io_size = idata_size;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_STORAGE_WRAP, &io) < 0)
return -1;
return io.io_size;
}
int
ncr_key_storage_unwrap(ncr_key_t keytowrap, void *idata, size_t idata_size)
{
struct ncr_key_storage_wrap_st io;
memset(&io, 0, sizeof(io));
if (keytowrap == NCR_KEY_INVALID|| !idata || !idata_size) {
errno = EINVAL;
return -1;
}
io.keytowrap = keytowrap;
io.io = idata;
io.io_size = idata_size;
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_STORAGE_UNWRAP, &io) < 0)
return -1;
return 0;
}
int
ncr_key_deinit(ncr_key_t key)
{
if (key == NCR_KEY_INVALID) {
errno = EINVAL;
return -1;
}
if (__ncr_file_descriptor < 0) {
errno = EBADF;
return -1;
}
if (ioctl(__ncr_file_descriptor, NCRIO_KEY_DEINIT, &key) < 0)
return -1;
return 0;
}
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