void NdnSigner::sign( Interest& interest ) const
{
//////// configure key locator ///////////
// encode public key
std::string keystr;
CryptoPP::StringSink sink(keystr);
m_public_key.Save(sink);
// make key locator and insert key as key digest
KeyLocator loc;
auto buffer = make_shared<const Buffer>( (uint8_t*)keystr.c_str(), keystr.length() );
loc.setKeyDigest( buffer );
// setup signature info
Signature sig = interest.getSignature();
SignatureInfo sinfo = sig.getSignatureInfo();
sinfo.setSignatureType( tlv::SignatureSha256WithRsa);
sinfo.setKeyLocator( loc );
sig.setInfo( sinfo );
interest.setSignature( sig );
// sign interest
Block sig_block = signBlock( interest.wireEncode() );
// set signature
sig.setValue( sig_block );
interest.setSignature( sig );
interest.wireEncode();
}
