有没有可能从byte[]生成一个java.security.cert.X509Certificate?
CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
然后您需要传递一个包含证书字节的InputStream。这可以通过将字节数组包装在ByteArrayInputStream中来实现:
InputStream in = new ByteArrayInputStream(bytes);
X509Certificate cert = (X509Certificate)certFactory.generateCertificate(in);
X509Certificate certificate = signature.getKeyInfo().getX509Datas().get(0).getX509Certificates().get(0);
String lexicalXSDBase64Binary = certificate.getValue();
byte[] decoded = DatatypeConverter.parseBase64Binary(lexicalXSDBase64Binary);
CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
Certificate cert = certFactory.generateCertificate(new ByteArrayInputStream(decoded));
InputStream stream = null;
byte[] bencoded = javax.xml.bind.DatatypeConverter.parseBase64Binary(x509CertificateStr);
try {
CertificateFactory certFactory = CertificateFactory.getInstance("X.509");
cert = (X509Certificate) certFactory.generateCertificate(stream);
} catch (java.security.cert.CertificateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
stream
的初始化也缺失了。这段代码会抛出一个NullPointerException
异常。 - user207421