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| author | Nick Mathewson <nickm@torproject.org> | 2014-04-17 12:17:14 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2014-04-17 12:17:14 -0400 |
| commit | eb896d5e6f09902a760af010326b79ce82492da1 (patch) | |
| tree | e55c8fe8644ac80298e3189c52212347720c84d9 | |
| parent | 9c3f7a6d356b8ca341653f8c4a6400d940e2eace (diff) | |
| parent | 0b319de60f7c80ab5c37c57af182f4f710ceb5b7 (diff) | |
| download | tor-eb896d5e6f09902a760af010326b79ce82492da1.tar tor-eb896d5e6f09902a760af010326b79ce82492da1.tar.gz | |
Merge remote-tracking branch 'public/ticket11528_024'
| -rw-r--r-- | changes/ticket11528 | 6 | ||||
| -rw-r--r-- | src/common/tortls.c | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/changes/ticket11528 b/changes/ticket11528 new file mode 100644 index 000000000..15daad995 --- /dev/null +++ b/changes/ticket11528 @@ -0,0 +1,6 @@ + o Minor features: + - Servers now trust themselves to have a better view than clients of + which TLS ciphersuites to choose. (Thanks to #11513, the server + list is now well-considered, whereas the client list has been + chosen mainly for anti-fingerprinting purposes.) Resolves ticket + 11528. diff --git a/src/common/tortls.c b/src/common/tortls.c index dbe8cdcef..a6444b818 100644 --- a/src/common/tortls.c +++ b/src/common/tortls.c @@ -1250,6 +1250,10 @@ tor_tls_context_new(crypto_pk_t *identity, unsigned int key_lifetime, goto error; SSL_CTX_set_options(result->ctx, SSL_OP_NO_SSLv2); + /* Prefer the server's ordering of ciphers: the client's ordering has + * historically been chosen for fingerprinting resistance. */ + SSL_CTX_set_options(result->ctx, SSL_OP_CIPHER_SERVER_PREFERENCE); + /* Disable TLS1.1 and TLS1.2 if they exist. We need to do this to * workaround a bug present in all OpenSSL 1.0.1 versions (as of 1 * June 2012), wherein renegotiating while using one of these TLS |