denozord/strongswan-ext
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Store DH generator in a chunk, hide non-public data in a private struct

Browse Source
This commit is contained in:
Martin Willi
2010-04-08 15:08:35 +02:00
parent 6c1dc87551
commit b34b93dbf7
5 changed files with 305 additions and 313 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c
+12 -11
View File
@@ -194,11 +194,19 @@ static void destroy(private_gmp_diffie_hellman_t *this)
*/
gmp_diffie_hellman_t *gmp_diffie_hellman_create(diffie_hellman_group_t group)
{
private_gmp_diffie_hellman_t *this = malloc_thing(private_gmp_diffie_hellman_t);
private_gmp_diffie_hellman_t *this;
diffie_hellman_params_t *params;
rng_t *rng;
chunk_t random;
params = diffie_hellman_get_params(group);
if (!params)
{
return NULL;
}
this = malloc_thing(private_gmp_diffie_hellman_t);
/* public functions */
this->public.dh.get_shared_secret = (status_t (*)(diffie_hellman_t *, chunk_t *)) get_shared_secret;
this->public.dh.set_other_public_value = (void (*)(diffie_hellman_t *, chunk_t )) set_other_public_value;
@@ -216,16 +224,9 @@ gmp_diffie_hellman_t *gmp_diffie_hellman_create(diffie_hellman_group_t group)
mpz_init(this->g);
this->computed = FALSE;
params = diffie_hellman_get_params(this->group);
if (!params)
{
destroy(this);
return NULL;
}
mpz_import(this->p, params->prime_len, 1, 1, 1, 0, params->prime);
this->p_len = params->prime_len;
mpz_set_ui(this->g, params->generator);
this->p_len = params->prime.len;
mpz_import(this->p, params->prime.len, 1, 1, 1, 0, params->prime.ptr);
mpz_import(this->g, params->generator.len, 1, 1, 1, 0, params->generator.ptr);
rng = lib->crypto->create_rng(lib->crypto, RNG_STRONG);
if (!rng)