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authorDimitri Staessens <dimitri@ouroboros.rocks>2020-12-06 16:02:22 +0100
committerSander Vrijders <sander@ouroboros.rocks>2020-12-07 18:39:48 +0100
commitbb7476246e2f0bd974aec854de975cefec858362 (patch)
tree73d5ab67d22239d5dd534abf276d10e02aadd01e /src/tools/irm/irm_ipcp_bootstrap.c
parente5fdcfb3cfee29385c44bf487638ac5a535ee5d6 (diff)
downloadouroboros-bb7476246e2f0bd974aec854de975cefec858362.tar.gz
ouroboros-bb7476246e2f0bd974aec854de975cefec858362.zip
ipcpd: Use 64-bit flow endpoint IDs for DT
The EIDs are now 64-bit. This makes it a tad harder to guess them (think of port scanning). The implementation has only the most significant 32 bits random to quickly map EIDs to N+1 flows. While this is equivalent to a random cookie as a check on flows, the rationale is that valid endpoint IDs should be pretty hard to guess (and thus be 64-bit random at least). Ideally one would use content-addressable memory for this kind of mapping. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
Diffstat (limited to 'src/tools/irm/irm_ipcp_bootstrap.c')
-rw-r--r--src/tools/irm/irm_ipcp_bootstrap.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tools/irm/irm_ipcp_bootstrap.c b/src/tools/irm/irm_ipcp_bootstrap.c
index ba57a506..50f03030 100644
--- a/src/tools/irm/irm_ipcp_bootstrap.c
+++ b/src/tools/irm/irm_ipcp_bootstrap.c
@@ -65,7 +65,7 @@
#define SHA3_512 "SHA3_512"
#define DEFAULT_ADDR_SIZE 4
-#define DEFAULT_EID_SIZE 2
+#define DEFAULT_EID_SIZE 8
#define DEFAULT_DDNS 0
#define DEFAULT_TTL 60
#define DEFAULT_ADDR_AUTH ADDR_AUTH_FLAT_RANDOM