【问题标题】:SSL connection failing for Java 7Java 7 的 SSL 连接失败
【发布时间】:2013-10-14 06:20:04
【问题描述】:

我正在尝试使用 Java 7 创建与远程服务器的 SSL 连接,但收到以下异常:

javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:946)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1312)
    at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:702)
    at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:122)
    at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
    at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:291)
    at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:295)
    at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141)
    at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229)
    at java.io.BufferedWriter.flush(BufferedWriter.java:254)
    at ssl7.Client.main(Client.java:22)
Caused by: java.io.EOFException: SSL peer shut down incorrectly
    at sun.security.ssl.InputRecord.read(InputRecord.java:482)
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:927)

当我使用 Java 6 重新运行代码时,也不例外。我在 StackOverflow 的其他地方找到了对这个问题的引用,但我的情况有所不同。使用 Java 7 失败的客户端代码是

public class Client {

    public static void main(String[] args) throws FileNotFoundException, IOException, ClassNotFoundException {
        try {
            SSLSocketFactory sslsocketfactory = (SSLSocketFactory) SSLSocketFactory.getDefault();
            SSLSocket sslsocket = (SSLSocket) sslsocketfactory.createSocket("login.solon.com", 443);    
            OutputStream outputstream = sslsocket.getOutputStream();
            OutputStreamWriter outputstreamwriter = new OutputStreamWriter(outputstream);
            BufferedWriter bufferedwriter = new BufferedWriter(outputstreamwriter);
                bufferedwriter.write("hello\n");
                bufferedwriter.flush();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }
}

当我添加行时

sslsocket.setEnabledCipherSuites(new String[] {"SSL_RSA_WITH_RC4_128_MD5"});

创建套接字后,它就可以工作了。

现在,SSL_RSA_WITH_RC4_128_MD5 存在于原始密码套件集中,所以我所做的只是添加限制。从长远来看,限制密码套件不是一个可行的解决方案。谁能解释这里发生了什么?

完整的调试日志是:

keyStore is : 
keyStore type is : jks
keyStore provider is : 
init keystore
init keymanager of type SunX509
trustStore is: C:\Temp\keystore\clientkeystore
trustStore type is : jks
trustStore provider is : 
init truststore
adding as trusted cert:
  Subject: CN=W, OU=D, O=S, L=H, ST=I, C=IL
  Issuer:  CN=W, OU=D, O=S, L=H, ST=I, C=IL
  Algorithm: DSA; Serial number: 0x4a6e05b7
  Valid from Mon Oct 07 10:22:54 EEST 2013 until Sun Jan 05 09:22:54 EET 2014

adding as trusted cert:
  Subject: CN=login.solon.com, OU=Domain Validated, OU=Thawte SSL123 certificate, OU=Go to https://www.thawte.com/repository/index.html
  Issuer:  CN=Thawte DV SSL CA, OU=Domain Validated SSL, O="Thawte, Inc.", C=US
  Algorithm: RSA; Serial number: 0x3012ec22473f20aa2cdc4bf7fe2d22f4
  Valid from Wed Feb 13 02:00:00 EET 2013 until Thu Apr 14 02:59:59 EEST 2016

adding as trusted cert:
  Subject: CN=W, OU=D, O=S, L=H, ST=I, C=IL
  Issuer:  CN=W, OU=D, O=S, L=H, ST=I, C=IL
  Algorithm: RSA; Serial number: 0x5864235a
  Valid from Mon Oct 07 10:28:06 EEST 2013 until Sun Jan 05 09:28:06 EET 2014

trigger seeding of SecureRandom
done seeding SecureRandom
Ignoring unavailable cipher suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
Ignoring unavailable cipher suite: TLS_DHE_RSA_WITH_AES_256_CBC_SHA
Ignoring unavailable cipher suite: TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
Ignoring unsupported cipher suite: TLS_DHE_DSS_WITH_AES_128_CBC_SHA256
Ignoring unsupported cipher suite: TLS_DHE_DSS_WITH_AES_256_CBC_SHA256
Ignoring unsupported cipher suite: TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
Ignoring unsupported cipher suite: TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
Ignoring unsupported cipher suite: TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
Ignoring unsupported cipher suite: TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
Ignoring unsupported cipher suite: TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
Ignoring unsupported cipher suite: TLS_RSA_WITH_AES_256_CBC_SHA256
Ignoring unavailable cipher suite: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
Ignoring unsupported cipher suite: TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
Ignoring unsupported cipher suite: TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
Ignoring unavailable cipher suite: TLS_DHE_DSS_WITH_AES_256_CBC_SHA
Ignoring unsupported cipher suite: TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
Ignoring unsupported cipher suite: TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
Ignoring unsupported cipher suite: TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
Ignoring unavailable cipher suite: TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
Ignoring unavailable cipher suite: TLS_RSA_WITH_AES_256_CBC_SHA
Ignoring unsupported cipher suite: TLS_RSA_WITH_AES_128_CBC_SHA256
Allow unsafe renegotiation: true
Allow legacy hello messages: true
Is initial handshake: true
Is secure renegotiation: false
%% No cached client session
*** ClientHello, TLSv1
RandomCookie:  GMT: 1381093608 bytes = { 221, 239, 107, 239, 150, 213, 224, 210, 101, 229, 42, 58, 92, 9, 151, 0, 128, 105, 0, 55, 53, 224, 90, 111, 130, 175, 61, 121 }
Session ID:  {}
Cipher Suites: [TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, TLS_RSA_WITH_AES_128_CBC_SHA, TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA, TLS_ECDH_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_RSA_WITH_AES_128_CBC_SHA, TLS_DHE_DSS_WITH_AES_128_CBC_SHA, TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, TLS_ECDHE_RSA_WITH_RC4_128_SHA, SSL_RSA_WITH_RC4_128_SHA, TLS_ECDH_ECDSA_WITH_RC4_128_SHA, TLS_ECDH_RSA_WITH_RC4_128_SHA, TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_RSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA, TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA, SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA, SSL_RSA_WITH_RC4_128_MD5, TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
Compression Methods:  { 0 }
Extension elliptic_curves, curve names: {secp256r1, sect163k1, sect163r2, secp192r1, secp224r1, sect233k1, sect233r1, sect283k1, sect283r1, secp384r1, sect409k1, sect409r1, secp521r1, sect571k1, sect571r1, secp160k1, secp160r1, secp160r2, sect163r1, secp192k1, sect193r1, sect193r2, secp224k1, sect239k1, secp256k1}
Extension ec_point_formats, formats: [uncompressed]
***
[write] MD5 and SHA1 hashes:  len = 149
0000: 01 00 00 91 03 01 52 52   D1 E8 DD EF 6B EF 96 D5  ......RR....k...
0010: E0 D2 65 E5 2A 3A 5C 09   97 00 80 69 00 37 35 E0  ..e.*:\....i.75.
0020: 5A 6F 82 AF 3D 79 00 00   2A C0 09 C0 13 00 2F C0  Zo..=y..*...../.
0030: 04 C0 0E 00 33 00 32 C0   07 C0 11 00 05 C0 02 C0  ....3.2.........
0040: 0C C0 08 C0 12 00 0A C0   03 C0 0D 00 16 00 13 00  ................
0050: 04 00 FF 01 00 00 3E 00   0A 00 34 00 32 00 17 00  ......>...4.2...
0060: 01 00 03 00 13 00 15 00   06 00 07 00 09 00 0A 00  ................
0070: 18 00 0B 00 0C 00 19 00   0D 00 0E 00 0F 00 10 00  ................
0080: 11 00 02 00 12 00 04 00   05 00 14 00 08 00 16 00  ................
0090: 0B 00 02 01 00                                     .....
main, WRITE: TLSv1 Handshake, length = 149
[Raw write]: length = 154
0000: 16 03 01 00 95 01 00 00   91 03 01 52 52 D1 E8 DD  ...........RR...
0010: EF 6B EF 96 D5 E0 D2 65   E5 2A 3A 5C 09 97 00 80  .k.....e.*:\....
0020: 69 00 37 35 E0 5A 6F 82   AF 3D 79 00 00 2A C0 09  i.75.Zo..=y..*..
0030: C0 13 00 2F C0 04 C0 0E   00 33 00 32 C0 07 C0 11  .../.....3.2....
0040: 00 05 C0 02 C0 0C C0 08   C0 12 00 0A C0 03 C0 0D  ................
0050: 00 16 00 13 00 04 00 FF   01 00 00 3E 00 0A 00 34  ...........>...4
0060: 00 32 00 17 00 01 00 03   00 13 00 15 00 06 00 07  .2..............
0070: 00 09 00 0A 00 18 00 0B   00 0C 00 19 00 0D 00 0E  ................
0080: 00 0F 00 10 00 11 00 02   00 12 00 04 00 05 00 14  ................
0090: 00 08 00 16 00 0B 00 02   01 00                    ..........
main, received EOFException: error
main, handling exception: javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
main, SEND TLSv1 ALERT:  fatal, description = handshake_failure
main, WRITE: TLSv1 Alert, length = 2
[Raw write]: length = 7
0000: 15 03 01 00 02 02 28                               ......(
main, called closeSocket()
javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:946)
    at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1312)
    at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:702)
    at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:122)
    at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:221)
    at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:291)
    at sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:295)
    at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:141)
    at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:229)
    at java.io.BufferedWriter.flush(BufferedWriter.java:254)
    at ssl7.Client.main(Client.java:22)
Caused by: java.io.EOFException: SSL peer shut down incorrectly
    at sun.security.ssl.InputRecord.read(InputRecord.java:482)
    at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:927)
    ... 10 more

谢谢。

【问题讨论】:

  • 问题格式特别好!继续加油!
  • 也许你的代码需要更牢固的握手。我知道我拒绝所有与弱握手的连接。
  • 您使用的是哪个特定的 java 版本?在客户端和服务器上。
  • 我在 Java 1.7.0_21 vs 1.6.0_25 上运行代码
  • 服务器运行1.7.0_21

标签: java ssl


【解决方案1】:

我之前在使用 Ubuntu 12.04 服务器运行基于 Java 的服务器时遇到过此类问题,该服务器使用 OpenJDK 包。 (这可能已经打了补丁,因为我无法用最新更新重现问题,但我的配置可能略有不同,我不记得了。)

这本质上是this Ubuntu issue中描述的问题。

服务器端的 EC 计算本质上存在问题,导致无法正确建立连接。

Java 6Java 7 之间的密码套件的优先顺序有所不同(请参阅两个表)。

因为TLS_RSA_WITH_AES_128_CBC_SHA 在 Java 6 中的优先顺序中高于任何 EC 密码套件(并且客户端和服务器都支持),所以当您连接 Java 6 客户端时会选择它。

当您使用 Java 7 客户端连接时,将选择一些 EC 密码套件(例如 TLS_ECDHE_RSA_WITH_AES_128_CBC_SHATLS_ECDHE_RSA_WITH_AES_256_CBC_SHA)并且服务器将开始执行此操作(您需要查看握手调试日志服务器端确认这一点)。然后服务器将完成密码套件选择过程,但由于尝试使用此密码套件时出现后续错误而无法继续进行。

如果您对服务器有一定的控制权(并且如果它确实在运行基于 Java 的服务器),请尝试升级到最新的 JRE 包。您还可以尝试 Ubuntu 问题中建议的修复(特别是如果它不使用 PKCS#11)或在服务器配置中禁用 ECDHE 密码套件。

【讨论】:

    【解决方案2】:

    从您的服务器配置 (https://www.ssllabs.com/ssltest/analyze.html?d=login.solon.com) 与 Java7 中可用密码套件列表的对比来看,您的密码套件似乎只有两个可接受的选项:

    TLS_RSA_WITH_AES_128_CBC_SHA
    TLS_DHE_RSA_WITH_AES_128_CBC_SHA
    

    现在,TLS_DHE_RSA_WITH_AES_128_CBC_SHA 被认为是弱的,但由于您的服务器声明不偏好顺序,它可能会选择它然后握手失败。对于 Java6,它完全有可能只是碰巧选择了一个更强大的套件。你给它的选项越多,你给它选择弱密码的机会就越大,所以当你指定一个要使用的套件时,它就会成功。 (虽然在查看您的服务器配置时,我不确定您是如何让 SSL_RSA_WITH_RC4_128_MD5 成功的,因为它显然不受支持。)按照这种思路,也许您应该尝试将您的密码套件限制为:

    TLS_RSA_WITH_AES_128_CBC_SHA
    

    或者更具体地说:

    sslsocket.setEnabledCipherSuites(new String[] {"TLS_RSA_WITH_AES_128_CBC_SHA"});
    

    【讨论】:

    • 为什么 DHE_RSA 密码很弱? TLS_DHE_RSA_WITH_AES_128_CBC_SHA 具有完美的前向保密性,TLS_RSA_WITH_AES_128_CBC_SHA 没有,否则它们是相同的。
    • 回答我自己的评论,无论出于何种原因,Java 6 和 Java 7 中的 SunJSSE 加密提供程序使用 768 位 DH 密钥,似乎没有办法改变它,这很遗憾,因为唯一的解决方法是禁用 DHE 套件。
    • 很高兴您能够回答自己的评论,因为我不知道这一点。 =)
    【解决方案3】:

    这是 Java 7 与密钥库的兼容性问题。将您的密钥库文件转换为 .p12 。它应该可以使用它。

    【讨论】:

    • 你从哪里得到这个想法的?这里的客户端没有密钥库。
    【解决方案4】:

    您在执行客户端时是否包含了信任库?

    java -Djavax.net.ssl.trustStore=${resources}/localhost.truststore \
    -Djavax.net.ssl.trustStorePassword=TRUSTSTORE_PASSWORD -jar client.jar com.acme.RunClient
    

    【讨论】:

    • 阅读问题。从痕迹中可以明显看出他有一个信任库。无论如何,一个问题是。这是一个答案。
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