我使用以下代码调用远程https URL:
def inputStream = new URL("https://somewebsite.com").openStream()
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这在我的本地计算机上运行良好,但是当我部署到服务器时,我得到以下异常:
java.security.cert.CertPathValidatorException: CA key usage check failed: keyCertSign bit is not set
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造成这种错误的原因是什么,以及在一台机器而不是另一台机器上工作的原因是什么?
UPDATE
我正在生产中运行Ubuntu服务器并在本地开发Mac.我正在尝试访问的网站(我们称之为peopleware.com)具有以下证书信息:
我尝试从浏览器保存.cer文件并将它们安装到/ etc/ssl/certs/java/castore的密钥库中
我假设你在谈论UTN-USERFirst-Hardware的这个证书:
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
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在人类可读的版本中:
Version: 3 (0x2)
Serial Number:
44:be:0c:8b:50:00:24:b4:11:d3:36:2a:fe:65:0a:fd
Signature Algorithm: sha1WithRSAEncryption
Issuer: C=US, ST=UT, L=Salt Lake City, O=The USERTRUST Network, OU=http://www.usertrust.com, CN=UTN-USERFirst-Hardware
Validity
Not Before: Jul 9 18:10:42 1999 GMT
Not After : Jul 9 18:19:22 2019 GMT
Subject: C=US, ST=UT, L=Salt Lake City, O=The USERTRUST Network, OU=http://www.usertrust.com, CN=UTN-USERFirst-Hardware
Subject Public Key Info:
[...]
X509v3 extensions:
X509v3 Key Usage:
Digital Signature, Non Repudiation, Certificate Sign, CRL Sign
X509v3 Basic Constraints: critical
CA:TRUE
X509v3 Subject Key Identifier:
A1:72:5F:26:1B:28:98:43:95:5D:07:37:D5:85:96:9D:4B:D2:C3:45
X509v3 CRL Distribution Points:
Full Name:
URI:http://crl.usertrust.com/UTN-USERFirst-Hardware.crl
X509v3 Extended Key Usage:
TLS Web Server Authentication, IPSec End System, IPSec Tunnel, IPSec User
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从本质上讲,我们这里有一个带有X509v3 Key Usage和的CA证书X509v3 Extended Key Usage.
通常,此扩展仅出现在最终实体证书中.
这对于CA证书来说并不是很好,但是稍后,同一部分也说明了这一点:
如果证书包含密钥用法扩展和扩展密钥用法扩展,则两个扩展必须独立处理,并且证书必须仅用于与两个扩展一致的目的.如果没有与两个扩展一致的目的,那么证书不得用于任何目的.
此RFC中此证书中唯一的扩展密钥用法扩展是TLS Web服务器身份验证:
id-kp-serverAuth OBJECT IDENTIFIER ::= { id-kp 1 }
-- TLS WWW server authentication
-- Key usage bits that may be consistent: digitalSignature,
-- keyEncipherment or keyAgreement
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当然,这与keyCertSignRFC 3280(和RFC 5280)不符.(我也怀疑任何IPSec扩展都兼容keyCertSign).这使得此证书无法颁发证书(对CA证书不是很有用).
我会使用此证书联系该网站,要求他们联系他们的CA(UTN-USERFirst-Hardware,显然是Comodo)并要求他们解决此问题.我必须说,在这些RFC背后赚钱的人看起来并不好看.
当然,这可能需要一段时间,并不能解决您的直接问题.
我想我在其他中间CA证书中看到了这个主题DN(UTN-USERFirst-Hardware),因此上面的那个可能不是你正在使用的那个.
您可以做的事情(假设您能够在不考虑这些问题的情况下手动验证服务器证书本身)是使用SSLContext和TrustManager特别限制使用该证书,用于此连接.这可能会阻止证书路径算法尝试查找颁发者证书并陷入此问题.
编辑:
以下是有关此变通方法的更多详细信息(应该仍然保证您的连接安全).
使用keytool创建一个新的密钥库(选择信任该证书,并选择一个合理的密码):
keytool -importcert -keystore example.jks -file example.pem
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然后,使用这个Java代码,这不应该太难移植到Groovy:
TrustManagerFactory tmf = TrustManagerFactory
.getInstance(TrustManagerFactory.getDefaultAlgorithm());
KeyStore ks = KeyStore.getInstance("JKS");
FileInputStream fis = new FileInputStream("/.../example.jks");
ks.load(fis, null);
// or ks.load(fis, "thepassword".toCharArray());
fis.close();
tmf.init(ks);
SSLContext sslContext = SSLContext.getInstance("TLS");
sslContext.init(null, tmf.getTrustManagers(), null);
URL url = new URL("https://somewebsite.com");
HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
conn.setSSLSocketFactory(sslContext.getSocketFactory());
InputStream is = conn.getInputStream();
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