X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fed25519%2Fecdh.c;h=cfb2077b3f59a41e0ba421bf853814628bdc7838;hb=c44b08613508c993e7fd9f625e0b1b4775efffed;hp=469f502e18c1a4938d9c74dba2f096a1f5f9890b;hpb=efca41606d4083eade90047d57cb963eb3b7e731;p=tinc

diff --git a/src/ed25519/ecdh.c b/src/ed25519/ecdh.c
index 469f502e..cfb2077b 100644
--- a/src/ed25519/ecdh.c
+++ b/src/ed25519/ecdh.c
@@ -36,16 +36,17 @@ ecdh_t *ecdh_generate_public(void *pubkey) {
 	uint8_t seed[32];
 	randomize(seed, sizeof(seed));
 	ed25519_create_keypair(pubkey, ecdh->private, seed);
+	memzero(seed, sizeof(seed));
 
 	return ecdh;
 }
 
 bool ecdh_compute_shared(ecdh_t *ecdh, const void *pubkey, void *shared) {
 	ed25519_key_exchange(shared, pubkey, ecdh->private);
-	free(ecdh);
+	ecdh_free(ecdh);
 	return true;
 }
 
 void ecdh_free(ecdh_t *ecdh) {
-	free(ecdh);
+	xzfree(ecdh, sizeof(ecdh_t));
 }