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21 | |
21 | |
22 | TODO: protocol magic fixen(!!!) |
22 | TODO: protocol magic fixen(!!!) |
23 | TODO: "global" |
23 | TODO: "global" |
24 | TODO: verify |
24 | TODO: verify |
25 | TODO: make sense of overhead calculation |
25 | TODO: make sense of overhead calculation |
26 | TODO: use aes in ctr mode for IV values |
26 | TODO: if-up &c should not be scripts? |
27 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
27 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
28 | - INCOMPATIBLE CHANGE: node sextions are now introduced |
28 | - INCOMPATIBLE CHANGE: node sextions are now introduced |
29 | with "node nodename", not "node = nodename". |
29 | with "node nodename", not "node = nodename". |
30 | - while individual packets couldn't be replayed, a whole session |
30 | - while individual packets couldn't be replayed, a whole session |
31 | could be replayed - this has been fixed by an extra key exchange. |
31 | could be replayed - this has been fixed by an extra key exchange. |
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33 | adds a diffie-hellman key exchange (using curve25119) for perfect |
33 | adds a diffie-hellman key exchange (using curve25119) for perfect |
34 | forward secrecy. mac and cipher keys are derived using HKDF. |
34 | forward secrecy. mac and cipher keys are derived using HKDF. |
35 | - rsa key sizes are now configurable and larger (default is 3072). |
35 | - rsa key sizes are now configurable and larger (default is 3072). |
36 | correspondingly, the minimum mtu is no longer 296 but 576. |
36 | correspondingly, the minimum mtu is no longer 296 but 576. |
37 | - fixed a potential (unverified) buffer overrun on rsa decryption. |
37 | - fixed a potential (unverified) buffer overrun on rsa decryption. |
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38 | - router reconnects could cause excessive rekeying on other connections. |
38 | - gvpectrl no longer generates all missing public keys, but |
39 | - gvpectrl no longer generates all missing public keys, but |
39 | only missing private keys. private keys are also put |
40 | only missing private keys. private keys are also put |
40 | into the configured location. |
41 | into the configured location. |
41 | - the pid-file now accepts %s as nodename as elsewhere. |
42 | - the pid-file now accepts %s as nodename as elsewhere. |
42 | - no longer use RAND_bytes to generate session keys - you NEED |
43 | - no longer use RAND_bytes to generate session keys - you NEED |
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52 | for speed reasons (generating 12 random bytes with openssl can |
53 | for speed reasons (generating 12 random bytes with openssl can |
53 | take longer than encrypting and mac'ing a 1.5kb packet, and IVs |
54 | take longer than encrypting and mac'ing a 1.5kb packet, and IVs |
54 | do not need to be cryptographically strong random numbers |
55 | do not need to be cryptographically strong random numbers |
55 | (and in fact, shouldn't be)). |
56 | (and in fact, shouldn't be)). |
56 | - if-up scripts can now be specified with absolute paths. |
57 | - if-up scripts can now be specified with absolute paths. |
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58 | - new global option: serial, to detect configuration mismatches. |
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59 | - use HKDF as authentication proof, not HMAC or a plain hash |
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60 | (hint by Ilmari Karonen). |
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61 | - during rekeying or conenction establishments, hmac authentication |
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62 | errors could occur and reset the connection. Transient hmac |
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63 | authentication errors are now being ignored for 3 seconds. |
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64 | - log the reason for a conneciton loss. |
57 | |
65 | |
58 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
66 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
59 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
67 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
60 | protocols are enabled - this is necessary when you have nodes with |
68 | protocols are enabled - this is necessary when you have nodes with |
61 | completely unknown protocols, to force mediated connection requests. |
69 | completely unknown protocols, to force mediated connection requests. |