java8支持sslv2_java ssl错误无法支持TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
小编典典
注意：这不是答案，而是研究此问题的帮助。
尝试使用以下代码列出Java安装中的所有密码套件。
SSLServerSocketFactory ssf = (SSLServerSocketFactory)SSLServerSocketFactory.getDefault();
TreeMap ciphers = new TreeMap<>();
for (String cipher : ssf.getSupportedCipherSuites())
ciphers.put(cipher, Boolean.FALSE);
for (String cipher : ssf.getDefaultCipherSuites())
ciphers.put(cipher, Boolean.TRUE);
System.out.println("Default Cipher");
for (Entry cipher : ciphers.entrySet())
System.out.printf(" %-5s%s%n", (cipher.getValue() ? '*' : ' '), cipher.getKey());
当我在jdk1.8.0_151(Windows，64位)上运行时，得到以下输出：
Default Cipher
SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA
* SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA
SSL_DHE_DSS_WITH_DES_CBC_SHA
SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA
* SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA
SSL_DHE_RSA_WITH_DES_CBC_SHA
SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA
SSL_DH_anon_WITH_3DES_EDE_CBC_SHA
SSL_DH_anon_WITH_DES_CBC_SHA
SSL_RSA_EXPORT_WITH_DES40_CBC_SHA
* SSL_RSA_WITH_3DES_EDE_CBC_SHA
SSL_RSA_WITH_DES_CBC_SHA
SSL_RSA_WITH_NULL_MD5
SSL_RSA_WITH_NULL_SHA
* TLS_DHE_DSS_WITH_AES_128_CBC_SHA
* TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
* TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
* TLS_DHE_RSA_WITH_AES_128_CBC_SHA
* TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
* TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
TLS_DH_anon_WITH_AES_128_CBC_SHA
TLS_DH_anon_WITH_AES_128_CBC_SHA256
TLS_DH_anon_WITH_AES_128_GCM_SHA256
* TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
* TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_ECDSA_WITH_NULL_SHA
* TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
* TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
TLS_ECDHE_RSA_WITH_NULL_SHA
* TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
* TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
TLS_ECDH_ECDSA_WITH_NULL_SHA
* TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
* TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
TLS_ECDH_RSA_WITH_NULL_SHA
TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA
TLS_ECDH_anon_WITH_AES_128_CBC_SHA
TLS_ECDH_anon_WITH_NULL_SHA
* TLS_EMPTY_RENEGOTIATION_INFO_SCSV
TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5
TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA
TLS_KRB5_WITH_3DES_EDE_CBC_MD5
TLS_KRB5_WITH_3DES_EDE_CBC_SHA
TLS_KRB5_WITH_DES_CBC_MD5
TLS_KRB5_WITH_DES_CBC_SHA
* TLS_RSA_WITH_AES_128_CBC_SHA
* TLS_RSA_WITH_AES_128_CBC_SHA256
* TLS_RSA_WITH_AES_128_GCM_SHA256
TLS_RSA_WITH_NULL_SHA256
然后，当我添加链接到的策略文件时，输出更改为：
Default Cipher
SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA
* SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA
SSL_DHE_DSS_WITH_DES_CBC_SHA
SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA
* SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA
SSL_DHE_RSA_WITH_DES_CBC_SHA
SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA
SSL_DH_anon_WITH_3DES_EDE_CBC_SHA
SSL_DH_anon_WITH_DES_CBC_SHA
SSL_RSA_EXPORT_WITH_DES40_CBC_SHA
* SSL_RSA_WITH_3DES_EDE_CBC_SHA
SSL_RSA_WITH_DES_CBC_SHA
SSL_RSA_WITH_NULL_MD5
SSL_RSA_WITH_NULL_SHA
* TLS_DHE_DSS_WITH_AES_128_CBC_SHA
* TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
* TLS_DHE_DSS_WITH_AES_128_GCM_SHA256
* TLS_DHE_DSS_WITH_AES_256_CBC_SHA
* TLS_DHE_DSS_WITH_AES_256_CBC_SHA256
* TLS_DHE_DSS_WITH_AES_256_GCM_SHA384
* TLS_DHE_RSA_WITH_AES_128_CBC_SHA
* TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
* TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
* TLS_DHE_RSA_WITH_AES_256_CBC_SHA
* TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
* TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
TLS_DH_anon_WITH_AES_128_CBC_SHA
TLS_DH_anon_WITH_AES_128_CBC_SHA256
TLS_DH_anon_WITH_AES_128_GCM_SHA256
TLS_DH_anon_WITH_AES_256_CBC_SHA
TLS_DH_anon_WITH_AES_256_CBC_SHA256
TLS_DH_anon_WITH_AES_256_GCM_SHA384
* TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
* TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
* TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
* TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
* TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_ECDSA_WITH_NULL_SHA
* TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
* TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
* TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
* TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
* TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
* TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
TLS_ECDHE_RSA_WITH_NULL_SHA
* TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
* TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
* TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
* TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
* TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
* TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
TLS_ECDH_ECDSA_WITH_NULL_SHA
* TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
* TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
* TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
* TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
* TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
* TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
TLS_ECDH_RSA_WITH_NULL_SHA
TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA
TLS_ECDH_anon_WITH_AES_128_CBC_SHA
TLS_ECDH_anon_WITH_AES_256_CBC_SHA
TLS_ECDH_anon_WITH_NULL_SHA
* TLS_EMPTY_RENEGOTIATION_INFO_SCSV
TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5
TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA
TLS_KRB5_WITH_3DES_EDE_CBC_MD5
TLS_KRB5_WITH_3DES_EDE_CBC_SHA
TLS_KRB5_WITH_DES_CBC_MD5
TLS_KRB5_WITH_DES_CBC_SHA
* TLS_RSA_WITH_AES_128_CBC_SHA
* TLS_RSA_WITH_AES_128_CBC_SHA256
* TLS_RSA_WITH_AES_128_GCM_SHA256
* TLS_RSA_WITH_AES_256_CBC_SHA
* TLS_RSA_WITH_AES_256_CBC_SHA256
* TLS_RSA_WITH_AES_256_GCM_SHA384
TLS_RSA_WITH_NULL_SHA256
如您所见，添加策略文件将启用AES 256密码套件。
2020-10-18