本文整理匯總了Java中java.security.cert.X509Certificate.getExtendedKeyUsage方法的典型用法代碼示例。如果您正苦於以下問題：Java X509Certificate.getExtendedKeyUsage方法的具體用法？Java X509Certificate.getExtendedKeyUsage怎麽用？Java X509Certificate.getExtendedKeyUsage使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.security.cert.X509Certificate的用法示例。
在下文中一共展示了X509Certificate.getExtendedKeyUsage方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: verifyKeyUsage
import java.security.cert.X509Certificate; //導入方法依賴的package包/類
/**
* If an EKU extension is present in the end-entity certificate, it MUST contain either the
* anyEKU or serverAuth or netscapeSGC or Microsoft SGC EKUs.
*
* @return true if there is no EKU extension or if any of the EKU extensions is one of the valid
* OIDs for web server certificates.
*
* TODO(palmer): This can be removed after the equivalent change is made to the Android default
* TrustManager and that change is shipped to a large majority of Android users.
*/
static boolean verifyKeyUsage(X509Certificate certificate) throws CertificateException {
List<String> ekuOids;
try {
ekuOids = certificate.getExtendedKeyUsage();
} catch (NullPointerException e) {
// getExtendedKeyUsage() can crash due to an Android platform bug. This probably
// happens when the EKU extension data is malformed so return false here.
// See http://crbug.com/233610
return false;
}
if (ekuOids == null) return true;
for (String ekuOid : ekuOids) {
if (ekuOid.equals(OID_TLS_SERVER_AUTH)
|| ekuOid.equals(OID_ANY_EKU)
|| ekuOid.equals(OID_SERVER_GATED_NETSCAPE)
|| ekuOid.equals(OID_SERVER_GATED_MICROSOFT)) {
return true;
}
}
return false;
}