void
KeyChain::sign
(Interest& interest, const Name& certificateName, WireFormat& wireFormat)
{
// TODO: Handle signature algorithms other than Sha256WithRsa.
Sha256WithRsaSignature signature;
signature.getKeyLocator().setType(ndn_KeyLocatorType_KEYNAME);
signature.getKeyLocator().setKeyName(certificateName.getPrefix(-1));
// Append the encoded SignatureInfo.
interest.getName().append(wireFormat.encodeSignatureInfo(signature));
// Append an empty signature so that the "signedPortion" is correct.
interest.getName().append(Name::Component());
// Encode once to get the signed portion, and sign.
SignedBlob encoding = interest.wireEncode(wireFormat);
ptr_lib::shared_ptr<Signature> signedSignature = sign
(encoding.signedBuf(), encoding.signedSize(), certificateName);
// Remove the empty signature and append the real one.
interest.setName(interest.getName().getPrefix(-1).append
(wireFormat.encodeSignatureValue(*signedSignature)));
}
TEST_F(TestInterestMethods, MatchesData)
{
Interest interest(Name("/A"));
interest.setMinSuffixComponents(2);
interest.setMaxSuffixComponents(2);
interest.getKeyLocator().setType(ndn_KeyLocatorType_KEYNAME);
interest.getKeyLocator().setKeyName(Name("/B"));
interest.getExclude().appendComponent(Name::Component("J"));
interest.getExclude().appendAny();
Data data(Name("/A/D"));
Sha256WithRsaSignature signature;
signature.getKeyLocator().setType(ndn_KeyLocatorType_KEYNAME);
signature.getKeyLocator().setKeyName(Name("/B"));
data.setSignature(signature);
ASSERT_EQ(true, interest.matchesData(data));
// Check violating MinSuffixComponents.
Data data1(data);
data1.setName(Name("/A"));
ASSERT_EQ(false, interest.matchesData(data1));
Interest interest1(interest);
interest1.setMinSuffixComponents(1);
ASSERT_EQ(true, interest1.matchesData(data1));
// Check violating MaxSuffixComponents.
Data data2(data);
data2.setName(Name("/A/E/F"));
ASSERT_EQ(false, interest.matchesData(data2));
Interest interest2(interest);
interest2.setMaxSuffixComponents(3);
ASSERT_EQ(true, interest2.matchesData(data2));
// Check violating PublisherPublicKeyLocator.
Data data3(data);
Sha256WithRsaSignature signature3;
signature3.getKeyLocator().setType(ndn_KeyLocatorType_KEYNAME);
signature3.getKeyLocator().setKeyName(Name("/G"));
data3.setSignature(signature3);
ASSERT_EQ(false, interest.matchesData(data3));
Interest interest3(interest);
interest3.getKeyLocator().setType(ndn_KeyLocatorType_KEYNAME);
interest3.getKeyLocator().setKeyName(Name("/G"));
ASSERT_EQ(true, interest3.matchesData(data3));
Data data4(data);
data4.setSignature(DigestSha256Signature());
ASSERT_EQ(false, interest.matchesData(data4));
Interest interest4(interest);
interest4.setKeyLocator(KeyLocator());
ASSERT_EQ(true, interest4.matchesData(data4));
// Check violating Exclude.
Data data5(data);
data5.setName(Name("/A/J"));
ASSERT_EQ(false, interest.matchesData(data5));
Interest interest5(interest);
interest5.getExclude().clear();
interest5.getExclude().appendComponent(Name::Component("K"));
interest5.getExclude().appendAny();
ASSERT_EQ(true, interest5.matchesData(data5));
// Check violating Name.
Data data6(data);
data6.setName(Name("/H/I"));
ASSERT_EQ(false, interest.matchesData(data6));
Data data7(data);
data7.setName(Name("/A/B"));
Interest interest7
(Name("/A/B/sha256digest="
"54008e240a7eea2714a161dfddf0dd6ced223b3856e9da96792151e180f3b128"));
ASSERT_EQ(true, interest7.matchesData(data7));
// Check violating the implicit digest.
Interest interest7b
(Name("/A/B/%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00"
"%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00%00"));
ASSERT_EQ(false, interest7b.matchesData(data7));
// Check excluding the implicit digest.
Interest interest8(Name("/A/B"));
interest8.getExclude().appendComponent(interest7.getName().get(2));
ASSERT_EQ(false, interest8.matchesData(data7));
}