| … | |
… | |
| 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? |
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27 | TODO: low-power |
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28 | TODO: ipv6 |
| 27 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
29 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
| 28 | - INCOMPATIBLE CHANGE: node sextions are now introduced |
30 | - INCOMPATIBLE CHANGE: node sextions are now introduced |
| 29 | with "node nodename", not "node = nodename". |
31 | with "node nodename", not "node = nodename". |
| 30 | - while individual packets couldn't be replayed, a whole session |
32 | - while individual packets couldn't be replayed, a whole session |
| 31 | could be replayed - this has been fixed by an extra key exchange. |
33 | could be replayed - this has been fixed by an extra key exchange. |
| … | |
… | |
| 33 | adds a diffie-hellman key exchange (using curve25119) for perfect |
35 | adds a diffie-hellman key exchange (using curve25119) for perfect |
| 34 | forward secrecy. mac and cipher keys are derived using HKDF. |
36 | forward secrecy. mac and cipher keys are derived using HKDF. |
| 35 | - rsa key sizes are now configurable and larger (default is 3072). |
37 | - rsa key sizes are now configurable and larger (default is 3072). |
| 36 | correspondingly, the minimum mtu is no longer 296 but 576. |
38 | correspondingly, the minimum mtu is no longer 296 but 576. |
| 37 | - fixed a potential (unverified) buffer overrun on rsa decryption. |
39 | - fixed a potential (unverified) buffer overrun on rsa decryption. |
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40 | - new per-node low-power setting that tries to reduce cpu/network usage. |
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41 | - router reconnects could cause excessive rekeying on other connections. |
| 38 | - gvpectrl no longer generates all missing public keys, but |
42 | - gvpectrl no longer generates all missing public keys, but |
| 39 | only missing private keys. private keys are also put |
43 | only missing private keys. private keys are also put |
| 40 | into the configured location. |
44 | into the configured location. |
| 41 | - the pid-file now accepts %s as nodename as elsewhere. |
45 | - the pid-file now accepts %s as nodename as elsewhere. |
| 42 | - no longer use RAND_bytes to generate session keys - you NEED |
46 | - no longer use RAND_bytes to generate session keys - you NEED |
| … | |
… | |
| 52 | for speed reasons (generating 12 random bytes with openssl can |
56 | for speed reasons (generating 12 random bytes with openssl can |
| 53 | take longer than encrypting and mac'ing a 1.5kb packet, and IVs |
57 | take longer than encrypting and mac'ing a 1.5kb packet, and IVs |
| 54 | do not need to be cryptographically strong random numbers |
58 | do not need to be cryptographically strong random numbers |
| 55 | (and in fact, shouldn't be)). |
59 | (and in fact, shouldn't be)). |
| 56 | - if-up scripts can now be specified with absolute paths. |
60 | - if-up scripts can now be specified with absolute paths. |
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61 | - new global option: serial, to detect configuration mismatches. |
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|
62 | - use HKDF as authentication proof, not HMAC or a plain hash |
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63 | (hint by Ilmari Karonen). |
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64 | - during rekeying or conenction establishments, hmac authentication |
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|
65 | errors could occur and reset the connection. Transient hmac |
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|
66 | authentication errors are now being ignored for 3 seconds. |
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67 | - log the reason for a conneciton loss. |
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68 | - use a (hopefully) constant time memcmp to compare internal secrets. |
| 57 | |
69 | |
| 58 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
70 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
| 59 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
71 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
| 60 | protocols are enabled - this is necessary when you have nodes with |
72 | protocols are enabled - this is necessary when you have nodes with |
| 61 | completely unknown protocols, to force mediated connection requests. |
73 | completely unknown protocols, to force mediated connection requests. |
