oqs: Postponed freeing of kem object

diff --git a/src/libstrongswan/plugins/oqs/oqs_kem.c b/src/libstrongswan/plugins/oqs/oqs_kem.c
index d857e53a4c70b698e44d9ea9e82bdfc8e50f2196..72b55ff2243dc9b5edc04c6b11845c02698c5c7c 100644 (file)
--- a/src/libstrongswan/plugins/oqs/oqs_kem.c
+++ b/src/libstrongswan/plugins/oqs/oqs_kem.c
@@ -211,11 +211,11 @@ METHOD(key_exchange_t, destroy, void,
        private_oqs_kem_t *this)
 {
        DESTROY_IF(this->drbg);
-       OQS_KEM_free(this->kem);
        memwipe(this->secret_key, this->kem->length_secret_key);
        free(this->secret_key);
        memwipe(this->shared_secret, this->kem->length_shared_secret);
        free(this->shared_secret);
+       OQS_KEM_free(this->kem);
        free(this->public_key);
        free(this->ciphertext);
        free(this);