diff --git a/ndn-cpp/Interest.hpp b/ndn-cpp/Interest.hpp
index a1f045f..f5a59ea 100644
--- a/ndn-cpp/Interest.hpp
+++ b/ndn-cpp/Interest.hpp
@@ -42,6 +42,8 @@
 
   Name &getName() { return name_; }
   
+  int getInterestLifetime() { return interestLifetime_; }
+  
   /**
    * Clear this interest, and set the values by copying from the interest struct.
    * @param interestStruct a C ndn_Interest struct
diff --git a/ndn-cpp/c/encoding/BinaryXMLInterest.c b/ndn-cpp/c/encoding/BinaryXMLInterest.c
index 0eea400..96077d3 100644
--- a/ndn-cpp/c/encoding/BinaryXMLInterest.c
+++ b/ndn-cpp/c/encoding/BinaryXMLInterest.c
@@ -6,9 +6,80 @@
 
 #include "BinaryXMLEncoder.h"
 #include "BinaryXMLDecoder.h"
+#include "BinaryXMLName.h"
 #include "BinaryXMLInterest.h"
 
-char *ndn_decodeBinaryXMLInterest(struct ndn_Interest *interest, unsigned char *input, unsigned int inputLength)
+char *ndn_decodeBinaryXMLInterest(struct ndn_Interest *interest, struct ndn_BinaryXMLDecoder *decoder)
 {
+  char *error;
+  if (error = ndn_BinaryXMLDecoder_readElementStartDTag(decoder, ndn_BinaryXML_DTag_Interest))
+    return error;
+    
+  if (error = ndn_decodeBinaryXMLName(&interest->name, decoder))
+    return error;
+       
+  if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
+      (decoder, ndn_BinaryXML_DTag_MinSuffixComponents, &interest->minSuffixComponents))
+    return error;
+  if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
+      (decoder, ndn_BinaryXML_DTag_MaxSuffixComponents, &interest->maxSuffixComponents))
+    return error;
   
+  int gotExpectedTag;
+  if (error = ndn_BinaryXMLDecoder_peekDTag(decoder, ndn_BinaryXML_DTag_PublisherPublicKeyDigest, &gotExpectedTag))
+    return error;
+  if (gotExpectedTag) {
+    if (error = ndn_BinaryXMLDecoder_readBinaryDTagElement
+        (decoder, ndn_BinaryXML_DTag_PublisherPublicKeyDigest, 0, &interest->publisherPublicKeyDigest,
+         &interest->publisherPublicKeyDigestLength))
+      return error;
+  }
+  else {
+    interest->publisherPublicKeyDigest = 0;
+    interest->publisherPublicKeyDigestLength = 0;
+  }
+  
+  // TODO: Implement exclude
+  
+  if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
+      (decoder, ndn_BinaryXML_DTag_ChildSelector, &interest->childSelector))
+    return error;
+  if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
+      (decoder, ndn_BinaryXML_DTag_AnswerOriginKind, &interest->answerOriginKind))
+    return error;
+  if (error = ndn_BinaryXMLDecoder_readOptionalUnsignedIntegerDTagElement
+      (decoder, ndn_BinaryXML_DTag_Scope, &interest->scope))
+    return error;
+  
+  if (error = ndn_BinaryXMLDecoder_peekDTag(decoder, ndn_BinaryXML_DTag_InterestLifetime, &gotExpectedTag))
+    return error;
+  if (gotExpectedTag) {
+    unsigned char *interestLifetime;
+    unsigned int interestLifetimeLength;
+    if (error = ndn_BinaryXMLDecoder_readBinaryDTagElement
+        (decoder, ndn_BinaryXML_DTag_InterestLifetime, 0, &interestLifetime, &interestLifetimeLength))
+      return error;
+    
+    interest->interestLifetime = 1000 * 
+      ndn_BinaryXMLDecoder_bigEndianToUnsignedInt(interestLifetime, interestLifetimeLength) / 4096;
+  }
+  else
+    interest->interestLifetime = -1;
+  
+  if (error = ndn_BinaryXMLDecoder_peekDTag(decoder, ndn_BinaryXML_DTag_Nonce, &gotExpectedTag))
+    return error;
+  if (gotExpectedTag) {
+    if (error = ndn_BinaryXMLDecoder_readBinaryDTagElement
+        (decoder, ndn_BinaryXML_DTag_Nonce, 0, &interest->nonce, &interest->nonceLength))
+      return error;
+  }
+  else {
+    interest->nonce = 0;
+    interest->nonceLength = 0;
+  }
+
+  if (error = ndn_BinaryXMLDecoder_readElementClose(decoder))
+    return error;
+  
+  return 0;
 }
\ No newline at end of file
diff --git a/test/test-encode-decode-interest.cpp b/test/test-encode-decode-interest.cpp
index 448f413..d28a264 100644
--- a/test/test-encode-decode-interest.cpp
+++ b/test/test-encode-decode-interest.cpp
@@ -8,28 +8,29 @@
 #include <cstdlib>
 #include <sstream>
 #include <iostream>
-#include <ndn-cpp/Name.hpp>
+#include <ndn-cpp/Interest.hpp>
 
 using namespace std;
 using namespace ndn;
 
-unsigned char Name1[] = {
-#if 0
+unsigned char Interest1[] = {
 0x01, 0xd2,
-#endif
   0xf2, 0xfa, 0x9d, 0x6e, 0x64, 0x6e, 0x00, 0xfa, 0x9d, 0x61, 0x62, 0x63, 0x00, 0x00, 
-#if 0
   0x05, 0x9a, 0x8e, 0x32, 0x00, 
   0x05, 0xa2, 0x8e, 0x34, 0x00,
   0x03, 0xe2, 
     0x02, 0x85, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 
                 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 
   0x00,
-  0x02, 0xda, 0xfa, 0x9d, 0x61, 0x62, 0x63, 0x00, 0xea, 0x00, 0x00, 0x05, 0xaa, 0x8e, 0x31, 0x00, 0x02,
-  0xfa, 0x8e, 0x34, 0x00, 0x02, 0xd2, 0x8e, 0x32, 0x00, 0x03, 0x82, 0x9d, 0x01, 0xe0, 0x00, 0x00, 0x02, 0xca, 0xb5, 0x61,
-  0x62, 0x61, 0x62, 0x61, 0x62, 0x00, 
-0x00, 
+#if 0
+  0x02, 0xda, 0xfa, 0x9d, 0x61, 0x62, 0x63, 0x00, 0xea, 0x00, 0x00, 
 #endif
+  0x05, 0xaa, 0x8e, 0x31, 0x00, 
+  0x02, 0xfa, 0x8e, 0x34, 0x00, 
+  0x02, 0xd2, 0x8e, 0x32, 0x00, 
+  0x03, 0x82, 0x9d, 0x01, 0xe0, 0x00, 0x00, 
+  0x02, 0xca, 0xb5, 0x61, 0x62, 0x61, 0x62, 0x61, 0x62, 0x00, 
+0x00, 
 1
 };
 
@@ -39,15 +40,18 @@
 int main(int argc, char** argv)
 {
   try {
-    Name name;
-    name.decode(Name1, sizeof(Name1));
-    cout << "Name " << name.to_uri() << endl;
+    Interest interest;
+    interest.decode(Interest1, sizeof(Interest1));
+    cout << "Interest name " << interest.getName().to_uri() << endl;
+    cout << "InterestLifetime " << interest.getInterestLifetime() << endl;
     
+#if 0
     vector<unsigned char> encoding;
-    name.encode(encoding);
+    interest.encode(encoding);
     unsigned char *encodingBuffer = &encoding[0];
     unsigned int encodingLength = encoding.size();
-    cout << "Name encoding length " << encodingLength << " vs. sizeof(Name1) " << sizeof(Name1) << endl;
+    cout << "Interest encoding length " << encodingLength << " vs. sizeof(Interest1) " << sizeof(Interest1) << endl;
+#endif
   } catch (exception &e) {
     cout << "exception " << e.what() << endl;
   }