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gmp: Support setting Diffie-Hellman private values

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This commit is contained in:
Martin Willi
2015-04-15 14:38:41 +02:00
parent b8f576a803
commit 1a522d327e
1 changed files with 10 additions and 0 deletions
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src/libstrongswan/plugins/gmp/gmp_diffie_hellman.c
+10
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@@ -162,6 +162,15 @@ METHOD(diffie_hellman_t, get_my_public_value, bool,
return TRUE; return TRUE;
} }
METHOD(diffie_hellman_t, set_private_value, bool,
private_gmp_diffie_hellman_t *this, chunk_t value)
{
mpz_import(this->xa, value.len, 1, 1, 1, 0, value.ptr);
mpz_powm(this->ya, this->g, this->xa, this->p);
this->computed = FALSE;
return TRUE;
}
METHOD(diffie_hellman_t, get_shared_secret, bool, METHOD(diffie_hellman_t, get_shared_secret, bool,
private_gmp_diffie_hellman_t *this, chunk_t *secret) private_gmp_diffie_hellman_t *this, chunk_t *secret)
{ {
@@ -212,6 +221,7 @@ static gmp_diffie_hellman_t *create_generic(diffie_hellman_group_t group,
.get_shared_secret = _get_shared_secret, .get_shared_secret = _get_shared_secret,
.set_other_public_value = _set_other_public_value, .set_other_public_value = _set_other_public_value,
.get_my_public_value = _get_my_public_value, .get_my_public_value = _get_my_public_value,
.set_private_value = _set_private_value,
.get_dh_group = _get_dh_group, .get_dh_group = _get_dh_group,
.destroy = _destroy, .destroy = _destroy,
}, },