问题描述
我正在尝试使用证书签署xlm文档。 代码几乎是这样的:
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
dbf.setNamespaceAware(true);
InputSource inputSource = new InputSource(new StringReader(xml));
inputSource.setEncoding("UTF-8");
Document document = dbf.newDocumentBuilder().parse(inputSource);
Element element = document.getDocumentElement();
DOMHelper.useIdAsXmlId(element);
FirstCertSelector firstCertSelector = new FirstCertSelector();
Passprovider passprovider = new Passprovider(cert.getCertPass());
KeyingDataProvider kdp = new FileSystemKeyStoreKeyingDataProvider("pkcs12",cert.getCertFilePath(),firstCertSelector,passprovider,true);
DataObjectDesc dataObjectDesc = (new DataObjectReference("")).withTransform(new EnvelopedSignatureTransform());
SignedDataObjects signedDataObjects = (new SignedDataObjects()).withSignedDataObject(dataObjectDesc);
XadesSigner xadesSigner = (new XadesBesSigningProfile(kdp)).withAlgorithmsProviderEx(new Signingalgorithm()).newSigner();
xadesSigner.sign(signedDataObjects,element);
TransformerFactory transformerFactory = TransformerFactory.newInstance();
Transformer transformer = transformerFactory.newTransformer();
transformer.setoutputProperty(OutputKeys.ENCODING,"UTF-8");
document.setXmlStandalone(true);
DOMSource source = new DOMSource(document);
StringWriter result = new StringWriter();
transformer.transform(source,new StreamResult(result));
String signedXML = result.toString();
不幸的是,签名和证书部分中的signedXML在行尾有一些非常奇怪的字符:
<ds:SignatureValue Id="xmldsig-some-id-bla-bla-sigvalue">
blablabla...
...
blablabla...
blabla==
</ds:SignatureValue>
<ds:KeyInfo>
<ds:X509Data>
<ds:X509Certificate>
blablabla...
...
blablabla...
blablabla...
blablabla...
blablabla...
blabla==
</ds:X509Certificate>
我不知道这个奇怪的
结局从何而来。
我尝试过可能的事情(例如-Dfile.encoding=UTF-8
)来阅读此书,但没有成功。
我正在使用
<dependency>
<groupId>com.googlecode.xades4j</groupId>
<artifactId>xades4j</artifactId>
<version>1.5.1</version>
</dependency>
请帮助我。
解决方法
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