| … | |
… | |
| 3 | TODO: bridge mode, finally? |
3 | TODO: bridge mode, finally? |
| 4 | TODO: gcm mode? |
4 | TODO: gcm mode? |
| 5 | TODO: replace ripemd160 as the only authentication hash. |
5 | TODO: replace ripemd160 as the only authentication hash. |
| 6 | TODO: increase rsa size. |
6 | TODO: increase rsa size. |
| 7 | TODO: replace transport bits by transport endpoint structs? |
7 | TODO: replace transport bits by transport endpoint structs? |
| 8 | TODO: ecdh to avoid session replay attacks |
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| 9 | TODO: http://incog-izick.blogspot.de/2011/08/using-openssl-aes-gcm.html |
8 | TODO: http://incog-izick.blogspot.de/2011/08/using-openssl-aes-gcm.html |
| 10 | TODO: http://stackoverflow.com/questions/12153009/openssl-c-example-of-aes-gcm-using-evp-interfaces |
9 | TODO: http://stackoverflow.com/questions/12153009/openssl-c-example-of-aes-gcm-using-evp-interfaces |
| 11 | |
10 | |
| 12 | proposed: 3 types, req, resreq, res |
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| 13 | |
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| 14 | req (hmac1) rsa(seqno1 hmac1 aes1 seqno2 hmac2 aes2 auth) ecdh1 |
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| 15 | res (hmac1) hash(rsa-contents) ecdh2 |
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| 16 | |
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| 17 | req hmac0(*) rsa(seqno hmac0 hmac aes auth) hkdf-salt ecdh1 |
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| 18 | res hmac0(rsa-contents ecdh2) |
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| 19 | hmac_key = hkdf(hkdf-salt, hmac | ecdh) |
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| 20 | aes_key = hkdf(hkdf-salt, aes | ecdh) |
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| 21 | |
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| 22 | TODO: protocol magic fixen(!!!) |
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| 23 | TODO: "global" |
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| 24 | TODO: verify |
11 | TODO: verify |
| 25 | TODO: make sense of overhead calculation |
12 | TODO: make sense of overhead calculation |
| 26 | TODO: if-up &c should not be scripts? |
13 | TODO: if-up &c should not be scripts? |
| 27 | TODO: low-power |
14 | TODO: ipv6 |
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15 | TODO: gvpectrl should not use default privatekey,. or maybe document it better |
| 28 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
16 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
| 29 | - INCOMPATIBLE CHANGE: node sextions are now introduced |
17 | - INCOMPATIBLE CHANGE: node sextions are now introduced |
| 30 | with "node nodename", not "node = nodename". |
18 | with "node nodename", not "node = nodename". |
| 31 | - while individual packets couldn't be replayed, a whole session |
19 | - while individual packets couldn't be replayed, a whole session |
| 32 | could be replayed - this has been fixed by an extra key exchange. |
20 | could be replayed - this has been fixed by an extra key exchange. |
| … | |
… | |
| 62 | (hint by Ilmari Karonen). |
50 | (hint by Ilmari Karonen). |
| 63 | - during rekeying or conenction establishments, hmac authentication |
51 | - during rekeying or conenction establishments, hmac authentication |
| 64 | errors could occur and reset the connection. Transient hmac |
52 | errors could occur and reset the connection. Transient hmac |
| 65 | authentication errors are now being ignored for 3 seconds. |
53 | authentication errors are now being ignored for 3 seconds. |
| 66 | - log the reason for a conneciton loss. |
54 | - log the reason for a conneciton loss. |
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55 | - use a (hopefully) constant time memcmp to compare internal secrets. |
| 67 | |
56 | |
| 68 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
57 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
| 69 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
58 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
| 70 | protocols are enabled - this is necessary when you have nodes with |
59 | protocols are enabled - this is necessary when you have nodes with |
| 71 | completely unknown protocols, to force mediated connection requests. |
60 | completely unknown protocols, to force mediated connection requests. |
