Saturday 8 August 2015

Sign Assertion using openSAML

In this post I am going to explain how to sign assertion using openSAML. To sign an assertion, I am using keystore and x509 certificate.

If you don’t know how to create keystore, go through following post.

https://self-learning-java-tutorial.blogspot.com/2015/07/extract-private-and-public-key-from.html

After creating KeyStore, you have to update following fields in TestAssertion.java file.
private static String jksFile = "/Users/harikrishna_gurram/keystore.jks";
private static String keyStorePassword = "password123";
private static String keyPassword = "password123";
private static String alias = "certificate1";

After updating run TestAssertion.java file.

There are three classes.
a.   PublicKeyUtil.java: Work with key store and generate private and public keys.
b.   SAMLUtil.java: Used to create SAML elements like Assertion, Subject, Conditions etc.,
c.    TestAssertion.java: Generate SAML response.

Comments in above programs are self explanatory, so I am not explaining them explicitly.

Following are the maven dependencies I used.
<dependencies>
  <dependency>
   <groupId>org.opensaml</groupId>
   <artifactId>opensaml</artifactId>
   <version>2.6.4</version>
  </dependency>
  <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-api</artifactId>
   <version>1.7.12</version>
  </dependency>
  <dependency>
   <groupId>joda-time</groupId>
   <artifactId>joda-time</artifactId>
   <version>2.8.1</version>
  </dependency>
  <dependency>
   <groupId>xml-security</groupId>
   <artifactId>xmlsec</artifactId>
   <version>1.0.5D2</version>
  </dependency>
  <dependency>
   <groupId>org.apache.santuario</groupId>
   <artifactId>xmlsec</artifactId>
   <version>2.0.4</version>
  </dependency>

  <dependency>
   <groupId>org.slf4j</groupId>
   <artifactId>slf4j-simple</artifactId>
   <version>1.7.12</version>
  </dependency>

  <dependency>
   <groupId>xalan</groupId>
   <artifactId>xalan</artifactId>
   <version>2.6.0</version>
  </dependency>
  <dependency>
   <groupId>log4j</groupId>
   <artifactId>log4j</artifactId>
   <version>1.2.17</version>
  </dependency>
  <dependency>
   <groupId>org.apache.ws.security</groupId>
   <artifactId>wss4j</artifactId>
   <version>1.6.18</version>
  </dependency>

 </dependencies>

If you are not using maven, download above libraries manually and place them in your classpath.
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.security.Key;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.KeyStore;
import java.security.NoSuchAlgorithmException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.Base64;

public class PublicKeyUtil {

 /**
  * Generates KeyPair specific to given algorithm
  * 
  * @param algorithm
  * @return
  * @throws NoSuchAlgorithmException
  */
 public static KeyPair getKeyPair(String algorithm)
   throws NoSuchAlgorithmException {
  KeyPairGenerator keyPairGenerator = KeyPairGenerator
    .getInstance(algorithm);
  return keyPairGenerator.generateKeyPair();
 }

 /**
  * generate KeyPair from keystore
  * 
  * @param jksFile
  * @param keyStorePassword
  * @param keyPassword
  * @param alias
  * @return
  * @throws Exception
  */
 public static KeyPair getKeyPairFromKeyStore(String jksFile,
   String keyStorePassword, String keyPassword, String alias)
   throws Exception {
  FileInputStream is = new FileInputStream(jksFile);

  KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
  keystore.load(is, keyStorePassword.toCharArray());

  KeyPair pair = null;

  Key key = keystore.getKey(alias, keyPassword.toCharArray());
  if (key instanceof PrivateKey) {
   /* Get certificate of public key */
   Certificate cert = keystore.getCertificate(alias);

   /* Get public key */
   PublicKey publicKey = cert.getPublicKey();

   /* Construct KeyPair object */
   pair = new KeyPair(publicKey, (PrivateKey) key);

  }
  return pair;
 }

 /**
  * Load keystore from given jks file
  * 
  * @param jksFile
  * @param keyStorePassword
  * @return
  * @throws Exception
  */
 public static KeyStore getKeyStore(String jksFile, String keyStorePassword)
   throws Exception {
  FileInputStream is = new FileInputStream(jksFile);

  KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
  keystore.load(is, keyStorePassword.toCharArray());
  return keystore;
 }

 /**
  * Return PublicKey from given KeyPair
  * 
  * @param keyPair
  * @return
  */
 public static PublicKey getPublicKey(KeyPair keyPair) {
  return keyPair.getPublic();
 }

 /**
  * Return PrivateKey from given KeyPair
  * 
  * @param keyPair
  * @return
  */
 public static PrivateKey getPrivateKey(KeyPair keyPair) {
  return keyPair.getPrivate();
 }

 /**
  * Convert key to string.
  * 
  * @param key
  * 
  * @return String representation of key
  */
 public static String keyToString(Key key) {
  /* Get key in encoding format */
  byte encoded[] = key.getEncoded();

  /*
   * Encodes the specified byte array into a String using Base64 encoding
   * scheme
   */
  String encodedKey = Base64.getEncoder().encodeToString(encoded);

  return encodedKey;
 }

 /**
  * Save key to a file
  * 
  * @param key
  *            : key to save into file
  * @param fileName
  *            : File name to store
  */
 public static void saveKey(Key key, String fileName) {
  byte[] keyBytes = key.getEncoded();
  File keyFile = new File(fileName);
  FileOutputStream fOutStream = null;
  try {
   fOutStream = new FileOutputStream(keyFile);
   fOutStream.write(keyBytes);
  } catch (Exception e) {
   e.printStackTrace();
  } finally {
   if (fOutStream != null) {
    try {
     fOutStream.close();
    } catch (IOException e) {
     e.printStackTrace();
    }
   }
  }
 }

 /**
  * Returns the key stored in a file.
  * 
  * @param fileName
  * @return
  * @throws Exception
  */
 public static byte[] readKeyFromFile(String fileName) throws Exception {
  FileInputStream keyfis = new FileInputStream(fileName);
  byte[] key = new byte[keyfis.available()];
  keyfis.read(key);
  keyfis.close();
  return key;
 }

 /**
  * Generates public key from encoded byte array.
  * 
  * @param encoded
  * @param algorithm
  * @return
  * @throws Exception
  */
 public static PublicKey convertArrayToPubKey(byte encoded[],
   String algorithm) throws Exception {
  X509EncodedKeySpec pubKeySpec = new X509EncodedKeySpec(encoded);
  KeyFactory keyFactory = KeyFactory.getInstance(algorithm);
  PublicKey pubKey = keyFactory.generatePublic(pubKeySpec);

  return pubKey;
 }

 /**
  * Generates private key from encoded byte array.
  * 
  * @param encoded
  * @param algorithm
  * @return
  * @throws Exception
  */
 public static PrivateKey convertArrayToPriKey(byte encoded[],
   String algorithm) throws Exception {
  PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(encoded);
  KeyFactory keyFactory = KeyFactory.getInstance(algorithm);
  PrivateKey priKey = keyFactory.generatePrivate(keySpec);
  return priKey;
 }

 /**
  * Generate X509Certificate from keystore, alias and password
  * 
  * @param ks
  * @param alias
  * @param keyPassword
  * @return
  * @throws Exception
  */
 public static X509Certificate getX509Certificate(KeyStore ks, String alias,
   String keyPassword) throws Exception {
  KeyStore.PrivateKeyEntry pkEntry = (KeyStore.PrivateKeyEntry) ks
    .getEntry(
      alias,
      new KeyStore.PasswordProtection(keyPassword
        .toCharArray()));

  X509Certificate certificate = (X509Certificate) pkEntry
    .getCertificate();

  return certificate;
 }

}


import java.util.List;

import org.apache.ws.security.WSSecurityException;
import org.apache.ws.security.saml.ext.bean.AuthenticationStatementBean;
import org.apache.ws.security.saml.ext.bean.ConditionsBean;
import org.apache.ws.security.saml.ext.bean.KeyInfoBean;
import org.apache.ws.security.saml.ext.bean.SubjectBean;
import org.apache.ws.security.saml.ext.bean.SubjectConfirmationDataBean;
import org.apache.ws.security.saml.ext.builder.SAML2ComponentBuilder;
import org.opensaml.saml2.core.Assertion;
import org.opensaml.saml2.core.AuthnStatement;
import org.opensaml.saml2.core.Conditions;
import org.opensaml.saml2.core.Subject;
import org.opensaml.saml2.core.SubjectConfirmation;
import org.opensaml.saml2.core.SubjectConfirmationData;
import org.opensaml.xml.security.SecurityException;

public class SAMLUtil {
 /**
  * Method returns Assertion instacne
  * 
  * @return Assertion instance
  */
 public static Assertion getAssertion() {
  return SAML2ComponentBuilder.createAssertion();
 }

 /**
  * Method returns Subject instance
  * 
  * @param subjectBean
  *            Represents SAML subject
  * @return Subject instance
  * @throws SecurityException
  * @throws WSSecurityException
  */
 public static Subject getSubject(SubjectBean subjectBean)
   throws SecurityException, WSSecurityException {
  return SAML2ComponentBuilder.createSaml2Subject(subjectBean);
 }

 /**
  * Method returns SubjectConfirmation instance
  * 
  * @param method
  *            can be any of following two values.
  * 
  *            can be urn:oasis:names:tc:SAML:2.0:cm:holder-of-key
  *            urn:oasis:names:tc:SAML:2.0:cm:sender-vouches (or)
  *            urn:oasis:names:tc:SAML:2.0:cm:bearer
  * 
  * @param subjectConfirmationData
  * @return
  */
 public static SubjectConfirmation getSubjectConfirmation(String method,
   SubjectConfirmationData subjectConfirmationData) {
  return SAML2ComponentBuilder.createSubjectConfirmation(method,
    subjectConfirmationData);

 }

 /**
  * Method returns SubjectConfirmationData instance.
  * 
  * @param subjectConfirmationDataBean
  *            Represents SAML SubjectConfirmationData
  * @param keyInfoBean
  *            Represents a KeyInfo structure that will be embedded in a SAML
  *            Subject
  * @return SubjectConfirmationData instance.
  * @throws SecurityException
  * @throws WSSecurityException
  */
 public static SubjectConfirmationData getSubjectConfirmationData(
   SubjectConfirmationDataBean subjectConfirmationDataBean,
   KeyInfoBean keyInfoBean) throws SecurityException,
   WSSecurityException {
  return SAML2ComponentBuilder.createSubjectConfirmationData(
    subjectConfirmationDataBean, keyInfoBean);
 }

 /**
  * Method returns Conditions instance.
  * 
  * @param conditionsBean
  *            Represents a SAML Conditions object
  * @return Conditions instance
  */
 public static Conditions getConditionsElement(ConditionsBean conditionsBean) {
  return SAML2ComponentBuilder.createConditions(conditionsBean);
 }

 /**
  * Return List of AuthnStatement objects.
  * 
  * @param authBeans
  *            : Represents list of AuthenticationStatementBean objects.
  *            AuthenticationStatementBean represents the raw data required
  *            to create a SAML v1.1 or v2.0 authentication statement
  * @return List of AuthnStatement objects
  */
 public static List<AuthnStatement> getAuthStatement(
   List<AuthenticationStatementBean> authBeans) {
  return SAML2ComponentBuilder.createAuthnStatement(authBeans);
 }
}


import java.security.KeyPair;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;

import org.apache.ws.security.WSSecurityException;
import org.apache.ws.security.saml.ext.bean.AudienceRestrictionBean;
import org.apache.ws.security.saml.ext.bean.AuthenticationStatementBean;
import org.apache.ws.security.saml.ext.bean.ConditionsBean;
import org.apache.ws.security.saml.ext.bean.ProxyRestrictionBean;
import org.apache.ws.security.saml.ext.bean.SubjectBean;
import org.apache.ws.security.saml.ext.bean.SubjectConfirmationDataBean;
import org.joda.time.DateTime;
import org.opensaml.Configuration;
import org.opensaml.DefaultBootstrap;
import org.opensaml.saml2.core.Assertion;
import org.opensaml.saml2.core.AuthnStatement;
import org.opensaml.saml2.core.Conditions;
import org.opensaml.saml2.core.Response;
import org.opensaml.saml2.core.Subject;
import org.opensaml.saml2.core.SubjectConfirmation;
import org.opensaml.saml2.core.SubjectConfirmationData;
import org.opensaml.saml2.core.impl.ResponseMarshaller;
import org.opensaml.xml.io.MarshallingException;
import org.opensaml.xml.security.SecurityConfiguration;
import org.opensaml.xml.security.SecurityException;
import org.opensaml.xml.security.SecurityHelper;
import org.opensaml.xml.security.x509.BasicX509Credential;
import org.opensaml.xml.signature.Signature;
import org.opensaml.xml.signature.SignatureException;
import org.opensaml.xml.signature.Signer;
import org.opensaml.xml.util.XMLHelper;
import org.w3c.dom.Element;

public class TestAssertion {

 private static String jksFile = "/Users/harikrishna_gurram/keystore.jks";
 private static String keyStorePassword = "password123";
 private static String keyPassword = "password123";
 private static String alias = "certificate1";

 public static void addSubjectToAssertion(Assertion assertion)
   throws SecurityException, WSSecurityException {
  /* Create and add subject to assertion */
  SubjectBean subjectBean = new SubjectBean();
  subjectBean.setSubjectName("Hari Krishna Gurram");
  Subject subject = SAMLUtil.getSubject(subjectBean);

  /* Create SubjectConfirmation Object */
  // Create SubjectConfirmationDataBean
  SubjectConfirmationDataBean subjectConfirmationDataBean = new SubjectConfirmationDataBean();
  subjectConfirmationDataBean.setAddress("123.124.125.126");
  DateTime dateTime = new DateTime();
  DateTime afterTime = dateTime.plusMinutes(5);
  subjectConfirmationDataBean.setNotAfter(afterTime);
  subjectConfirmationDataBean.setNotBefore(dateTime);
  subjectConfirmationDataBean.setRecipient("http://abc.com");

  // Initialize SubjectConfirmationData
  SubjectConfirmationData subjectConfirmationData = SAMLUtil
    .getSubjectConfirmationData(subjectConfirmationDataBean, null);

  // Initialize SubjectConfirmation
  SubjectConfirmation subjectConfirmation = SAMLUtil
    .getSubjectConfirmation(
      "urn:oasis:names:tc:SAML:2.0:cm:bearer",
      subjectConfirmationData);

  subject.getSubjectConfirmations().add(subjectConfirmation);
  assertion.setSubject(subject);

 }

 public static void addConditionsToAssertion(Assertion assertion) {
  DateTime dateTime = new DateTime();
  /* Create and add Conditions element to assertion */
  // Initialize ConditionsBean
  ConditionsBean conditionsBean = new ConditionsBean();
  DateTime aftersserTime = dateTime.plusMinutes(10);
  conditionsBean.setNotAfter(aftersserTime);
  conditionsBean.setNotBefore(dateTime);
  conditionsBean.setOneTimeUse(true);
  conditionsBean.setTokenPeriodMinutes(5);

  // Create and add audience restriction to conditionsBean
  List<AudienceRestrictionBean> audienceRestrictions = new ArrayList<>();

  AudienceRestrictionBean bean = new AudienceRestrictionBean();
  bean.getAudienceURIs().add("Engineers");
  bean.getAudienceURIs().add("Managers");
  bean.getAudienceURIs().add("Testers");

  audienceRestrictions.add(bean);

  conditionsBean.setAudienceRestrictions(audienceRestrictions);

  // Create and add ProxyRestrictionBean to conditions
  ProxyRestrictionBean proxyRestrictionBean = new ProxyRestrictionBean();
  proxyRestrictionBean.setCount(3);
  conditionsBean.setProxyRestriction(proxyRestrictionBean);

  Conditions conditions = SAMLUtil.getConditionsElement(conditionsBean);
  assertion.setConditions(conditions);

 }

 public static void addAuthenticationStatement(Assertion assertion) {
  /* Create and add Authentication statement to assertion */
  List<AuthenticationStatementBean> authBeans = new ArrayList<>();

  AuthenticationStatementBean authBean = new AuthenticationStatementBean();
  DateTime authTime = new DateTime();
  authBean.setAuthenticationInstant(authTime);
  authBean.setAuthenticationMethod("SAML token-based authentication");
  authBean.setSessionIndex("session_11");

  authBeans.add(authBean);

  List<AuthnStatement> authStatements = SAMLUtil
    .getAuthStatement(authBeans);

  assertion.getAuthnStatements().addAll(authStatements);
 }

 public static void addSignatureToResponse(Response resp) throws Exception {
  Signature signature = getSignature();
  resp.setSignature(signature);

  try {
   Configuration.getMarshallerFactory().getMarshaller(resp)
     .marshall(resp);
  } catch (MarshallingException e) {
   e.printStackTrace();
  }

  try {
   Signer.signObject(signature);
  } catch (SignatureException e) {
   e.printStackTrace();
  }
 }

 public static Signature getSignature() throws Exception {
  KeyPair keyPair = PublicKeyUtil.getKeyPairFromKeyStore(jksFile,
    keyStorePassword, keyPassword, alias);

  PrivateKey pk = keyPair.getPrivate();

  KeyStore ks = PublicKeyUtil.getKeyStore(jksFile, keyStorePassword);

  X509Certificate certificate = PublicKeyUtil.getX509Certificate(ks,
    alias, keyPassword);

  BasicX509Credential signingCredential = new BasicX509Credential();
  signingCredential.setEntityCertificate(certificate);
  signingCredential.setPrivateKey(pk);

  Signature signature = (Signature) Configuration.getBuilderFactory()
    .getBuilder(Signature.DEFAULT_ELEMENT_NAME)
    .buildObject(Signature.DEFAULT_ELEMENT_NAME);

  signature.setSigningCredential(signingCredential);

  // This is also the default if a null SecurityConfiguration is specified
  SecurityConfiguration secConfig = Configuration
    .getGlobalSecurityConfiguration();

  try {
   SecurityHelper.prepareSignatureParams(signature, signingCredential,
     secConfig, null);
  } catch (SecurityException e) {
   e.printStackTrace();
  }

  return signature;
 }

 public static void addSignatureToAssertion(Assertion assertion)
   throws Exception {

  Signature signature = getSignature();

  assertion.setSignature(signature);

  try {
   Configuration.getMarshallerFactory().getMarshaller(assertion)
     .marshall(assertion);
  } catch (MarshallingException e) {
   e.printStackTrace();
  }

  try {
   Signer.signObject(signature);
  } catch (SignatureException e) {
   e.printStackTrace();
  }
 }

 public static void main(String args[]) throws Exception {
  /* Initializes the OpenSAML library */
  DefaultBootstrap.bootstrap();

  /* Create assertion */
  Assertion assertion = SAMLUtil.getAssertion();

  /* Add elements to assertion */
  addSubjectToAssertion(assertion);
  addConditionsToAssertion(assertion);
  addAuthenticationStatement(assertion);
  addSignatureToAssertion(assertion);

  /* Create Response object */
  Response resp = (Response) Configuration.getBuilderFactory()
    .getBuilder(Response.DEFAULT_ELEMENT_NAME)
    .buildObject(Response.DEFAULT_ELEMENT_NAME);

  /* Add assertion to response */
  resp.getAssertions().add(assertion);
  //addSignatureToResponse(resp);

  ResponseMarshaller marshaller = new ResponseMarshaller();
  Element plain = marshaller.marshall(resp);

  String samlResponse = XMLHelper.nodeToString(plain);
  System.out.println(samlResponse);

 }
}

Sample Output    
<?xml version="1.0" encoding="UTF-8"?>
<saml2p:Response Version="2.0" xmlns=""
 xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
 <ds:Signature xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
  xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
  <ds:SignedInfo xmlns=""
   xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
   <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"
    xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" />
   <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"
    xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" />
   <ds:Reference URI="" xmlns=""
    xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
    <ds:Transforms xmlns=""
     xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
     <ds:Transform
      Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"
      xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
      xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" />
     <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"
      xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
      xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" />
    </ds:Transforms>
    <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"
     xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
     xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" />
    <ds:DigestValue xmlns=""
     xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">UfWAtIilbJvllcJ0JXLCb0JEGFg=
    </ds:DigestValue>
   </ds:Reference>
  </ds:SignedInfo>
  <ds:SignatureValue xmlns=""
   xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
   COt6e+i399OY//1Go4iRoYSG2jQ64uhUjyQ73vLOR3NvbmvtsN3MM2eaSrfLdrHg/kJsNHqSHzJ6
   2PDhQ/4ksnt2unUcZQPDown+nbkqQkBY5rifUSQ2j3UkGveKkDYbVWA1Fo/CNoh6rYLzVskLGoBp
   IAnzxYO3D2L9OLitCwK5jNr+GczhOz9Sc0e0sWrrg8OickZlSpcOcUngMfJdVJYRCCD6qic2gUpv
   ztsWaLd4KWNYcFuJc+wrZG5YI0V3ZESgDVk8IIQ52l9LkUnX+FbadGIwN0rmikcjC58h62f5QJod
   S5t7jI//glUviZrZgoZH0fAUdECjVMk8pNCY3Q==
  </ds:SignatureValue>
  <ds:KeyInfo xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
   xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
   <ds:X509Data xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">
    <ds:X509Certificate xmlns=""
     xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol">MIIDrzCCApegAwIBAgIEEqEprjANBgkqhkiG9w0BAQsFADCBhzELMAkGA1UEBhMCSU4xEjAQBgNV
     BAgTCUthcm5hdGFrYTESMBAGA1UEBxMJQmFuZ2Fsb3JlMRgwFgYDVQQKEw9TZWxmIGxlYXJuIEph
     dmExGDAWBgNVBAsTD1NlbGYgbGVhcm4gSmF2YTEcMBoGA1UEAxMTSGFyaSBLcmlzaG5hIEd1cnJh
     bTAeFw0xNTA3MDMwNzA5MTlaFw0xNTA3MTAwNzA5MTlaMIGHMQswCQYDVQQGEwJJTjESMBAGA1UE
     CBMJS2FybmF0YWthMRIwEAYDVQQHEwlCYW5nYWxvcmUxGDAWBgNVBAoTD1NlbGYgbGVhcm4gSmF2
     YTEYMBYGA1UECxMPU2VsZiBsZWFybiBKYXZhMRwwGgYDVQQDExNIYXJpIEtyaXNobmEgR3VycmFt
     MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuyPKYKFkBcyU6r4+oYS77YJCLlhPBuxt
     23hwTXsN2Rf9kJ5WPvwC8hfhiQP/Ck7DTLldufsaK+qlxftYYcd8+EQp3AqT+mFc5bWy+ZwLG1Iy
     Uyh+eXLVYiv3FemM3YpKQidRGzbzizso3sUwbk5Q0BERJ0EBM4Sley0zm2S/LsLED+A7xKMtL95G
     S3uscWPkE6kn6Gou2FXuGNPxXR7POlnZnE0XSfVH2qS7bzMffGtRm/+vptmdx1qUCXphcgjqGIOr
     V/Ad4olXQcXNbk8P9pnRK8G55Yf7TMhcs06p0KI6jgtnsdduj8U+vD4uKDuiMU2rmhC4l0N4nApG
     A89mOwIDAQABoyEwHzAdBgNVHQ4EFgQUrxIJulLp4tv3kr2TwjH8gUTqfDIwDQYJKoZIhvcNAQEL
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    </ds:X509Certificate>
   </ds:X509Data>
  </ds:KeyInfo>
 </ds:Signature>
 <saml2:Assertion ID="_24DE5C948226B36DD514363503940601"
  IssueInstant="2015-07-08T10:13:14.064Z" Version="2.0" xmlns=""
  xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="saml2:AssertionType">
  <ds:Signature xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
   xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <ds:SignedInfo xmlns=""
    xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
    xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"
     xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
     xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
    <ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"
     xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
     xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
    <ds:Reference URI="#_24DE5C948226B36DD514363503940601"
     xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
     xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <ds:Transforms xmlns=""
      xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
      xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
      <ds:Transform
       Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"
       xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
       xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
      <ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"
       xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
       xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
     </ds:Transforms>
     <ds:DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"
      xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
      xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
     <ds:DigestValue xmlns=""
      xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
      xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">O5355ZQDTwJ9vb+hVbiW/AxVenc=
     </ds:DigestValue>
    </ds:Reference>
   </ds:SignedInfo>
   <ds:SignatureValue xmlns=""
    xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
    xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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   </ds:SignatureValue>
   <ds:KeyInfo xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
    xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <ds:X509Data xmlns="" xmlns:ds="http://www.w3.org/2000/09/xmldsig#"
     xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
     <ds:X509Certificate xmlns=""
      xmlns:ds="http://www.w3.org/2000/09/xmldsig#" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
      xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">MIIDrzCCApegAwIBAgIEEqEprjANBgkqhkiG9w0BAQsFADCBhzELMAkGA1UEBhMCSU4xEjAQBgNV
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     </ds:X509Certificate>
    </ds:X509Data>
   </ds:KeyInfo>
  </ds:Signature>
  <saml2:Subject xmlns=""
   xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <saml2:NameID Format="urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified"
    xmlns="" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
    xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">Hari
    Krishna Gurram</saml2:NameID>
   <saml2:SubjectConfirmation
    Method="urn:oasis:names:tc:SAML:2.0:cm:sender-vouches" xmlns=""
    xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
   <saml2:SubjectConfirmation Method="urn:oasis:names:tc:SAML:2.0:cm:bearer"
    xmlns="" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
    xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <saml2:SubjectConfirmationData
     Address="123.124.125.126" NotBefore="2015-07-08T10:13:14.089Z"
     NotOnOrAfter="2015-07-08T10:18:14.089Z" Recipient="http://abc.com"
     xmlns="" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"
     xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
   </saml2:SubjectConfirmation>
  </saml2:Subject>
  <saml2:Conditions NotBefore="2015-07-08T10:13:14.090Z"
   NotOnOrAfter="2015-07-08T10:23:14.090Z" xmlns=""
   xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <saml2:AudienceRestriction xmlns=""
    xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <saml2:Audience xmlns=""
     xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">Engineers</saml2:Audience>
    <saml2:Audience xmlns=""
     xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">Managers</saml2:Audience>
    <saml2:Audience xmlns=""
     xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">Testers</saml2:Audience>
   </saml2:AudienceRestriction>
   <saml2:OneTimeUse xmlns=""
    xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
   <saml2:ProxyRestriction Count="3" xmlns=""
    xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
  </saml2:Conditions>
  <saml2:AuthnStatement AuthnInstant="2015-07-08T10:13:14.094Z"
   SessionIndex="session_11" xmlns=""
   xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <saml2:AuthnContext xmlns=""
    xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <saml2:AuthnContextClassRef xmlns=""
     xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion" xmlns:saml2p="urn:oasis:names:tc:SAML:2.0:protocol"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">SAML token-based authentication
    </saml2:AuthnContextClassRef>
   </saml2:AuthnContext>
  </saml2:AuthnStatement>
 </saml2:Assertion>
</saml2p:Response>



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