本文整理汇总了Java中org.apache.xml.security.encryption.XMLCipher.loadEncryptedData方法的典型用法代码示例。如果您正苦于以下问题:Java XMLCipher.loadEncryptedData方法的具体用法?Java XMLCipher.loadEncryptedData怎么用?Java XMLCipher.loadEncryptedData使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.xml.security.encryption.XMLCipher
的用法示例。
在下文中一共展示了XMLCipher.loadEncryptedData方法的6个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: decryptElement
import org.apache.xml.security.encryption.XMLCipher; //导入方法依赖的package包/类
/**
* Method decryptElement
*
* Take a key, encryption type and a document, find an encrypted element
* decrypt it and return the resulting document
*
* @param filename File to decrypt from
* @param key The Key to use for decryption
*/
private Document decryptElement(Document doc, Key rsaKey, X509Certificate rsaCert) throws Exception {
// Create the XMLCipher element
XMLCipher cipher = XMLCipher.getInstance();
// Need to pre-load the Encrypted Data so we can get the key info
Element ee =
(Element) doc.getElementsByTagNameNS(
"http://www.w3.org/2001/04/xmlenc#", "EncryptedData"
).item(0);
cipher.init(XMLCipher.DECRYPT_MODE, null);
EncryptedData encryptedData = cipher.loadEncryptedData(doc, ee);
KeyInfo ki = encryptedData.getKeyInfo();
EncryptedKey encryptedKey = ki.itemEncryptedKey(0);
KeyInfo kiek = encryptedKey.getKeyInfo();
X509Data certData = kiek.itemX509Data(0);
XMLX509Certificate xcert = certData.itemCertificate(0);
X509Certificate cert = xcert.getX509Certificate();
assertTrue(rsaCert.equals(cert));
XMLCipher cipher2 = XMLCipher.getInstance();
cipher2.init(XMLCipher.UNWRAP_MODE, rsaKey);
Key key =
cipher2.decryptKey(
encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
);
cipher.init(XMLCipher.DECRYPT_MODE, key);
Document dd = cipher.doFinal(doc, ee);
return dd;
}
示例2: decryptUsingDOM
import org.apache.xml.security.encryption.XMLCipher; //导入方法依赖的package包/类
private Document decryptUsingDOM(
Document document,
Key keyWrappingKey
) throws Exception {
NodeList nodeList =
document.getElementsByTagNameNS(
XMLSecurityConstants.TAG_xenc_EncryptedData.getNamespaceURI(),
XMLSecurityConstants.TAG_xenc_EncryptedData.getLocalPart()
);
Element ee = (Element)nodeList.item(0);
// Need to pre-load the Encrypted Data so we can get the key info
XMLCipher cipher = XMLCipher.getInstance();
cipher.init(XMLCipher.DECRYPT_MODE, null);
EncryptedData encryptedData = cipher.loadEncryptedData(document, ee);
XMLCipher kwCipher = XMLCipher.getInstance();
kwCipher.init(XMLCipher.UNWRAP_MODE, keyWrappingKey);
KeyInfo ki = encryptedData.getKeyInfo();
EncryptedKey encryptedKey = ki.itemEncryptedKey(0);
Key symmetricKey =
kwCipher.decryptKey(
encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
);
cipher.init(XMLCipher.DECRYPT_MODE, symmetricKey);
return cipher.doFinal(document, ee);
}
示例3: decryptElement
import org.apache.xml.security.encryption.XMLCipher; //导入方法依赖的package包/类
/**
* Method decryptElement
*
* Take a key, encryption type and a file, find an encrypted element
* decrypt it and return the resulting document
*
* @param filename File to decrypt from
*/
private Document decryptElement(String filename) throws Exception {
XMLCipher cipher;
// Parse the document in question
String basedir = System.getProperty("basedir");
if (basedir != null && !"".equals(basedir)) {
filename = basedir + "/" + filename;
}
File f = new File(filename);
DocumentBuilder db = XMLUtils.createDocumentBuilder(false);
Document doc = db.parse(new java.io.FileInputStream(f));
// Now we have the document, lets build the XMLCipher element
Element ee = null;
// Create the XMLCipher element
cipher = XMLCipher.getInstance();
// Need to pre-load the Encrypted Data so we can get the key info
ee = (Element) doc.getElementsByTagName("EncryptedData").item(0);
cipher.init(XMLCipher.DECRYPT_MODE, null);
EncryptedData encryptedData = cipher.loadEncryptedData(doc, ee);
Key key = findKey(encryptedData);
cipher.init(XMLCipher.DECRYPT_MODE, key);
Document dd = cipher.doFinal(doc, ee);
return dd;
}
示例4: decryptData
import org.apache.xml.security.encryption.XMLCipher; //导入方法依赖的package包/类
/**
* Method decryptData
*
* Take a file, find an encrypted element decrypt it and return the
* resulting byte array
*
* @param filename File to decrypt from
*/
private byte[] decryptData(String filename) throws Exception {
XMLCipher cipher;
// Parse the document in question
String basedir = System.getProperty("basedir");
if (basedir != null && !"".equals(basedir)) {
filename = basedir + "/" + filename;
}
File f = new File(filename);
DocumentBuilder db = XMLUtils.createDocumentBuilder(false);
Document doc = db.parse(new java.io.FileInputStream(f));
// Now we have the document, lets build the XMLCipher element
Element ee = null;
// Create the XMLCipher element
cipher = XMLCipher.getInstance();
// Need to pre-load the Encrypted Data so we can get the key info
ee = (Element) doc.getElementsByTagName("EncryptedData").item(0);
cipher.init(XMLCipher.DECRYPT_MODE, null);
EncryptedData encryptedData = cipher.loadEncryptedData(doc, ee);
Key key = findKey(encryptedData);
cipher.init(XMLCipher.DECRYPT_MODE, key);
return cipher.decryptToByteArray(ee);
}
示例5: decrypt
import org.apache.xml.security.encryption.XMLCipher; //导入方法依赖的package包/类
private Document decrypt(
Document document,
Key keyWrappingKey
) throws Exception {
NodeList nodeList = document.getElementsByTagNameNS(
XMLSecurityConstants.TAG_xenc_EncryptedData.getNamespaceURI(),
XMLSecurityConstants.TAG_xenc_EncryptedData.getLocalPart()
);
Element ee = (Element)nodeList.item(0);
// Need to pre-load the Encrypted Data so we can get the key info
XMLCipher cipher = XMLCipher.getInstance();
cipher.init(XMLCipher.DECRYPT_MODE, null);
EncryptedData encryptedData = cipher.loadEncryptedData(document, ee);
XMLCipher kwCipher = XMLCipher.getInstance();
kwCipher.init(XMLCipher.UNWRAP_MODE, keyWrappingKey);
KeyInfo ki = encryptedData.getKeyInfo();
EncryptedKey encryptedKey = ki.itemEncryptedKey(0);
Key symmetricKey =
kwCipher.decryptKey(
encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
);
cipher.init(XMLCipher.DECRYPT_MODE, symmetricKey);
return cipher.doFinal(document, ee);
}
示例6: decryptElementDOM
import org.apache.xml.security.encryption.XMLCipher; //导入方法依赖的package包/类
/**
* Decrypt using DOM API
*/
private Document decryptElementDOM(Document doc, Key rsaKey) throws Exception {
// Create the XMLCipher element
XMLCipher cipher = XMLCipher.getInstance();
// Need to pre-load the Encrypted Data so we can get the key info
Element ee =
(Element) doc.getElementsByTagNameNS(
"http://www.w3.org/2001/04/xmlenc#", "EncryptedData"
).item(0);
cipher.init(XMLCipher.DECRYPT_MODE, null);
EncryptedData encryptedData = cipher.loadEncryptedData(doc, ee);
KeyInfo ki = encryptedData.getKeyInfo();
EncryptedKey encryptedKey = ki.itemEncryptedKey(0);
XMLCipher cipher2 = XMLCipher.getInstance();
cipher2.init(XMLCipher.UNWRAP_MODE, rsaKey);
Key key =
cipher2.decryptKey(
encryptedKey, encryptedData.getEncryptionMethod().getAlgorithm()
);
cipher.init(XMLCipher.DECRYPT_MODE, key);
Document dd = cipher.doFinal(doc, ee);
return dd;
}