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

curve25519: Move shared secret calculation to get_shared_secret()

Browse Source
This commit is contained in:
Tobias Brunner
2022-06-29 10:28:50 +02:00
parent 31f467d70b
commit ed3494ef7b
1 changed files with 10 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libstrongswan/plugins/curve25519/curve25519_dh.c
+10 -6
View File
@@ -42,6 +42,11 @@ struct private_curve25519_dh_t {
*/
bool computed;
/**
* Public key provided by peer
*/
u_char pubkey[CURVE25519_KEY_SIZE];
/**
* Curve25519 backend
*/
@@ -78,11 +83,8 @@ METHOD(key_exchange_t, set_public_key, bool,
{
if (value.len == CURVE25519_KEY_SIZE)
{
if (this->drv->curve25519(this->drv, value.ptr, this->shared))
{
this->computed = TRUE;
return TRUE;
}
memcpy(this->pubkey, value.ptr, value.len);
return TRUE;
}
return FALSE;
}
@@ -114,10 +116,12 @@ METHOD(key_exchange_t, set_private_key, bool,
METHOD(key_exchange_t, get_shared_secret, bool,
private_curve25519_dh_t *this, chunk_t *secret)
{
if (!this->computed)
if (!this->computed &&
!this->drv->curve25519(this->drv, this->pubkey, this->shared))
{
return FALSE;
}
this->computed = TRUE;
*secret = chunk_clone(chunk_from_thing(this->shared));
return TRUE;
}