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16 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
16 | - INCOMPATIBLE CHANGE: core protocol version 1.0. |
17 | - INCOMPATIBLE CHANGE: node sections are now introduced |
17 | - INCOMPATIBLE CHANGE: node sections are now introduced |
18 | with "node nodename", not "node = nodename". |
18 | with "node nodename", not "node = nodename". |
19 | - while individual packets couldn't be replayed, a whole session |
19 | - while individual packets couldn't be replayed, a whole session |
20 | 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. |
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21 | - fix a delete vs. delete [] mismatch in the central logging function. |
21 | - in addition to rsa key exchange and authentication, the handshake now |
22 | - in addition to rsa key exchange and authentication, the handshake now |
22 | adds a diffie-hellman key exchange (using curve25119) for perfect |
23 | adds a diffie-hellman key exchange (using curve25119) for perfect |
23 | forward secrecy. mac and cipher keys are derived using HKDF. |
24 | forward secrecy. mac and cipher keys are derived using HKDF. |
24 | - rsa key sizes are now configurable and larger (default is 3072). |
25 | - rsa key sizes are now configurable and larger (default is 3072). |
25 | correspondingly, the minimum mtu is no longer 296 but 576. |
26 | correspondingly, the minimum mtu is no longer 296 but 576. |
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32 | - the pid-file now accepts %s as nodename as elsewhere. |
33 | - the pid-file now accepts %s as nodename as elsewhere. |
33 | - switch to counter mode (only aes supported at the moment in |
34 | - switch to counter mode (only aes supported at the moment in |
34 | openssl). this gets rid of the need to generate a random iv, |
35 | openssl). this gets rid of the need to generate a random iv, |
35 | is likely more secure (and, as a side effect, gets rid of |
36 | is likely more secure (and, as a side effect, gets rid of |
36 | slow randomness generation. counter mode is often faster |
37 | slow randomness generation. counter mode is often faster |
37 | then cbc mode as well). |
38 | then cbc mode as well, and packets are smaller). |
38 | - no longer use RAND_bytes to generate session keys - you NEED |
39 | - no longer use RAND_bytes to generate session keys - you NEED |
39 | a real source of entropy now (e.g. egd or /dev/random - see the |
40 | a real source of entropy now (e.g. egd or /dev/random - see the |
40 | openssl documentation). |
41 | openssl documentation). |
41 | - multiple node statements for the same node are now supported |
42 | - multiple node statements for the same node are now supported |
42 | and will be merged. |
43 | and will be merged. |
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49 | - during rekeying or conenction establishments, hmac authentication |
50 | - during rekeying or conenction establishments, hmac authentication |
50 | errors could occur and reset the connection. Transient hmac |
51 | errors could occur and reset the connection. Transient hmac |
51 | authentication errors are now being ignored for 3 seconds. |
52 | authentication errors are now being ignored for 3 seconds. |
52 | - log the reason for a conneciton loss. |
53 | - log the reason for a conneciton loss. |
53 | - use a (hopefully) constant time memcmp to compare internal secrets. |
54 | - use a (hopefully) constant time memcmp to compare internal secrets. |
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55 | - fix a (harmless) errornous out of bounds stack read that would trigger |
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56 | gcc's -fsanitize=address. |
54 | |
57 | |
55 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
58 | 2.25 Sat Jul 13 06:42:33 CEST 2013 |
56 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
59 | - INCOMPATIBLE CHANGE: no longer enable udp protocol if no other |
57 | protocols are enabled - this is necessary when you have nodes with |
60 | protocols are enabled - this is necessary when you have nodes with |
58 | completely unknown protocols, to force mediated connection requests. |
61 | completely unknown protocols, to force mediated connection requests. |