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sphinx: Removing old nexthop based on public keys

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Signed-off-by: Christian Decker <decker.christian@gmail.com>
This commit is contained in:
Christian Decker 2017-04-10 15:11:32 -07:00
parent 83e89f0fe5
commit 157c2da778
2 changed files with 1 additions and 4 deletions
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4
lightningd/sphinx.c
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@ -368,14 +368,13 @@ struct onionpacket *create_onionpacket(
int i, num_hops = tal_count(path);
u8 filler[(num_hops - 1) * HOP_DATA_SIZE];
struct keyset keys;
u8 nextaddr[20], nexthmac[SECURITY_PARAMETER];
u8 nexthmac[SECURITY_PARAMETER];
u8 stream[ROUTING_INFO_SIZE];
struct hop_params *params = generate_hop_params(ctx, sessionkey, path);
if (!params)
return NULL;
packet->version = 1;
memset(nextaddr, 0, 20);
memset(nexthmac, 0, 20);
memset(packet->routinginfo, 0, ROUTING_INFO_SIZE);
@ -400,7 +399,6 @@ struct onionpacket *create_onionpacket(
compute_packet_hmac(packet, assocdata, assocdatalen, keys.mu,
nexthmac);
pubkey_hash160(nextaddr, &path[i]);
}
memcpy(packet->mac, nexthmac, sizeof(nexthmac));
memcpy(&packet->ephemeralkey, &params[0].ephemeralkey, sizeof(secp256k1_pubkey));

1
lightningd/sphinx.h
View File

@ -20,7 +20,6 @@
struct onionpacket {
/* Cleartext information */
u8 version;
u8 nexthop[20];
u8 mac[20];
secp256k1_pubkey ephemeralkey;