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(Android™) EuroCert Cloud Sign XMLSee more Signing in the Cloud ExamplesDemonstrates how to sign XML using the EuroCert cloud provider. The signing of the hash happens on a hardware token on the EuroCert server. Everything else involving the updating the XML to add the signature happens locally within Chilkat. Note: This example requires Chilkat v9.5.0.96 or later.
// Important: Don't forget to include the call to System.loadLibrary // as shown at the bottom of this code sample. package com.test; import android.app.Activity; import com.chilkatsoft.*; import android.widget.TextView; import android.os.Bundle; public class SimpleActivity extends Activity { private static final String TAG = "Chilkat"; // Called when the activity is first created. @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // Note: Chilkat's PKCS11 implementation runs on Windows, Linux, Mac OS X, and other supported operating systems. CkPkcs11 pkcs11 = new CkPkcs11(); // Provide the path to the EuroCert Cloud PKCS11 driver. // If your application runs as a 64-bit process, use the path to the 64-bit ECSPKCS11.dll pkcs11.put_SharedLibPath("C:\\Users\\Public\\ECSIGNER\\PKCS11\\32\\ECSPKCS11.dll"); // At this time, we don't know what should be used for the PIN. // Perhaps it is documented online by EuroCert? String pin = "user:password"; int userType = 1; boolean success = pkcs11.QuickSession(userType,pin); if (success == false) { Log.i(TAG, pkcs11.lastErrorText()); return; } CkCert cert = new CkCert(); success = cert.LoadFromFile("qa_data/certs/myCert.cer"); if (success == false) { Log.i(TAG, cert.lastErrorText()); return; } // Tell the certificate to link with the PKCS11 session. // The cert's private key should be installed on the CloudHSM. // If there are multiple private keys on the CloudHSM, then Chilkat will automatically // locate and use the private key corresponding to the certificate. success = cert.LinkPkcs11(pkcs11); if (success == false) { Log.i(TAG, cert.lastErrorText()); return; } // -------------------------------------------------------------------------- // At this point, we have the cert to be used for signing. // Our XML signing code is the same as for a cert obtained from any other source.. // First generate the following XML to be signed: // Use this online tool to generate code from sample XML: // Generate Code to Create XML // <?xml version="1.0" encoding="UTF-8" standalone="no" ?> // <SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"> // <SOAP-ENV:Header> // <wsse:Security xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" SOAP-ENV:mustUnderstand="1"></wsse:Security> // </SOAP-ENV:Header> // <SOAP-ENV:Body xmlns:SOAP-SEC="http://schemas.xmlsoap.org/soap/security/2000-12" SOAP-SEC:id="Body"> // <z:FooBar xmlns:z="http://example.com" /> // </SOAP-ENV:Body> // </SOAP-ENV:Envelope> CkXml xml = new CkXml(); xml.put_Tag("SOAP-ENV:Envelope"); xml.AddAttribute("xmlns:SOAP-ENV","http://schemas.xmlsoap.org/soap/envelope/"); xml.UpdateAttrAt("SOAP-ENV:Header|wsse:Security",true,"xmlns:wsse","http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd"); xml.UpdateAttrAt("SOAP-ENV:Header|wsse:Security",true,"SOAP-ENV:mustUnderstand","1"); xml.UpdateAttrAt("SOAP-ENV:Body",true,"xmlns:SOAP-SEC","http://schemas.xmlsoap.org/soap/security/2000-12"); xml.UpdateAttrAt("SOAP-ENV:Body",true,"SOAP-SEC:id","Body"); xml.UpdateAttrAt("SOAP-ENV:Body|z:FooBar",true,"xmlns:z","http://example.com"); CkXmlDSigGen gen = new CkXmlDSigGen(); // Indicate where the Signature will be inserted. gen.put_SigLocation("SOAP-ENV:Envelope|SOAP-ENV:Header|wsse:Security"); // Add a reference to the fragment of the XML to be signed. // Note: "Body" refers to the XML element having an "id" equal to "Body", where "id" is case insensitive // and where any namespace might qualify the attribute. In this case, the SOAP-ENV:Body fragment is signed // NOT because the tag = "Body", but because it has SOAP-SEC:id="Body" gen.AddSameDocRef("Body","sha1","EXCL_C14N","",""); // (You can read about the SignedInfoPrefixList in the online reference documentation. It's optional..) gen.put_SignedInfoPrefixList("wsse SOAP-ENV"); // Provide the private key for signing via the certificate, and indicate that // we want the base64 of the certificate embedded in the KeyInfo. gen.put_KeyInfoType("X509Data"); gen.put_X509Type("Certificate"); boolean bUsePrivateKey = true; success = gen.SetX509Cert(cert,bUsePrivateKey); if (success != true) { Log.i(TAG, gen.lastErrorText()); success = pkcs11.CloseSession(); return; } // Everything's specified. Now create and insert the Signature CkStringBuilder sbXml = new CkStringBuilder(); xml.put_EmitCompact(true); xml.GetXmlSb(sbXml); success = gen.CreateXmlDSigSb(sbXml); if (success != true) { Log.i(TAG, gen.lastErrorText()); success = pkcs11.CloseSession(); return; } // Examine the XML with the digital signature inserted Log.i(TAG, sbXml.getAsString()); // -------------------------------------------------------------------------- // Revert to an unauthenticated session by calling Logout. success = pkcs11.Logout(); if (success == false) { Log.i(TAG, pkcs11.lastErrorText()); success = pkcs11.CloseSession(); return; } // When finished, close the session. // It is important to close the session (memory leaks will occur if the session is not properly closed). success = pkcs11.CloseSession(); if (success == false) { Log.i(TAG, pkcs11.lastErrorText()); return; } Log.i(TAG, "Success."); } static { System.loadLibrary("chilkat"); // Note: If the incorrect library name is passed to System.loadLibrary, // then you will see the following error message at application startup: //"The application <your-application-name> has stopped unexpectedly. Please try again." } } |
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