defensive-coding-guide/en-US/snippets/Features-TLS-OpenJDK-Parameters.xml

27 lines
1.2 KiB
XML

<?xml version='1.0' encoding='utf-8' ?>
<!DOCTYPE programlisting PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
]>
<!-- Automatically generated file. Do not edit. -->
<programlisting language="Java">
// Prepare TLS parameters. These have to applied to every TLS
// socket before the handshake is triggered.
SSLParameters params = ctx.getDefaultSSLParameters();
// Do not send an SSL-2.0-compatible Client Hello.
ArrayList&#60;String&#62; protocols = new ArrayList&#60;String&#62;(
Arrays.asList(params.getProtocols()));
protocols.remove("SSLv2Hello");
params.setProtocols(protocols.toArray(new String[protocols.size()]));
// Adjust the supported ciphers.
ArrayList&#60;String&#62; ciphers = new ArrayList&#60;String&#62;(
Arrays.asList(params.getCipherSuites()));
ciphers.retainAll(Arrays.asList(
"TLS_RSA_WITH_AES_128_CBC_SHA256",
"TLS_RSA_WITH_AES_256_CBC_SHA256",
"TLS_RSA_WITH_AES_256_CBC_SHA",
"TLS_RSA_WITH_AES_128_CBC_SHA",
"SSL_RSA_WITH_3DES_EDE_CBC_SHA",
"SSL_RSA_WITH_RC4_128_SHA1",
"SSL_RSA_WITH_RC4_128_MD5",
"TLS_EMPTY_RENEGOTIATION_INFO_SCSV"));
params.setCipherSuites(ciphers.toArray(new String[ciphers.size()]));
</programlisting>