Use ECDSA to sign ECDH key exchange for UDP session keys.

[tinc] / src / openssl / ecdh.c

diff --git a/src/openssl/ecdh.c b/src/openssl/ecdh.c
index 8432420..4dd399f 100644 (file)
--- a/src/openssl/ecdh.c
+++ b/src/openssl/ecdh.c
@@ -75,3 +75,10 @@ bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared) {
 
        return true;
 }
+
+void ecdh_free(ecdh_t *ecdh) {
+       if(*ecdh) {
+               EC_KEY_free(*ecdh);
+               *ecdh = NULL;
+       }
+}