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<p dir="auto">I applied this hack to OpenSSL 1.1.0 to make it <em>not</em> do EtM even when it's negotiated it:</p>
<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">--- a/ssl/ssl_locl.h</span>
<span id="LC2" class="line" lang="plaintext">+++ b/ssl/ssl_locl.h</span>
<span id="LC3" class="line" lang="plaintext">@@ -370,7 +370,7 @@</span>
<span id="LC4" class="line" lang="plaintext"> # define GET_MAX_FRAGMENT_LENGTH(session) \</span>
<span id="LC5" class="line" lang="plaintext"> (512U << (session->ext.max_fragment_len_mode - 1))</span>
<span id="LC6" class="line" lang="plaintext"> </span>
<span id="LC7" class="line" lang="plaintext">-# define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ)</span>
<span id="LC8" class="line" lang="plaintext">+# define SSL_READ_ETM(s) (0 && s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ)</span>
<span id="LC9" class="line" lang="plaintext"> # define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE)</span>
<span id="LC10" class="line" lang="plaintext"> </span>
<span id="LC11" class="line" lang="plaintext"> /* Mostly for SSLv3 */</span></code></pre>
<p dir="auto">Now it talks to GnuTLS just fine.</p>
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