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-rw-r--r--src/libcharon/sa/tasks/ike_init.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libcharon/sa/tasks/ike_init.c b/src/libcharon/sa/tasks/ike_init.c
index b8e66c7e6..dd8a4b086 100644
--- a/src/libcharon/sa/tasks/ike_init.c
+++ b/src/libcharon/sa/tasks/ike_init.c
@@ -517,8 +517,11 @@ METHOD(task_t, migrate, void,
this->ike_sa = ike_sa;
this->keymat = ike_sa->get_keymat(ike_sa);
this->proposal = NULL;
- DESTROY_IF(this->dh);
- this->dh = this->keymat->create_dh(this->keymat, this->dh_group);
+ if (this->dh && this->dh->get_dh_group(this->dh) != this->dh_group)
+ { /* reset DH value only if group changed (INVALID_KE_PAYLOAD) */
+ this->dh->destroy(this->dh);
+ this->dh = this->keymat->create_dh(this->keymat, this->dh_group);
+ }
}
METHOD(task_t, destroy, void,