Alexey Serbin has posted comments on this change.

Change subject: [security] add --rpc_tls_ciphers flag
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Patch Set 7:

(3 comments)

http://gerrit.cloudera.org:8080/#/c/6055/7/src/kudu/security/tls_context.cc
File src/kudu/security/tls_context.cc:

PS7, Line 119: c_unique_ptr<EC_KEY> ecdh { 
EC_KEY_new_by_curve_name(NID_X9_62_prime256v1), &EC_KEY_free };
Why not to add corresponding trait

template<> struct SslTypeTraits<EC_KEY> {
  static constexpr auto free = &EC_KEY_free;
};

and then use commonly used pattern

auto ecdh = ssl_make_unique(EC_KEY_new_by_curve_name(NID_X9_62_prime256v1));


PS7, Line 125: Unlike most other OpenSSL APIs, set_ecdhe_auto
             :   // return 0 on failure.
I wouldn't say 'unlike' here -- most of those API calls return 0 or something 
less that 0 in case of an error.


PS7, Line 127: if (SSL_CTX_set_ecdh_auto(ctx_.get(), 1) == 0) {
Consider using OPENSSL_RET_NOT_OK instead:

OPENSSL_RET_NOT_OK(SSL_CTX_set_ecdh_auto(ctx_.get(), 1),
                   "failed to configure ECDH support");


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Gerrit-MessageType: comment
Gerrit-Change-Id: I050e2295041a98fe2c3118c6258b910423bd3816
Gerrit-PatchSet: 7
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Dan Burkert <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Dan Burkert <[email protected]>
Gerrit-Reviewer: Kudu Jenkins
Gerrit-Reviewer: Todd Lipcon <[email protected]>
Gerrit-HasComments: Yes

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