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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
/**
* Copyright (C) 2013 Regents of the University of California.
* @author: Jeff Thompson <jefft0@remap.ucla.edu>
* See COPYING for copyright and distribution information.
*/
#include <iostream>
#include <time.h>
#include <sys/time.h>
#include <sstream>
#include <stdexcept>
#include <ndn-cpp/data.hpp>
#include <ndn-cpp/security/key-chain.hpp>
#include <ndn-cpp/security/identity/memory-identity-storage.hpp>
#include <ndn-cpp/security/identity/memory-private-key-storage.hpp>
#include <ndn-cpp/security/policy/self-verify-policy-manager.hpp>
// Hack: Hook directly into non-API functions.
#include "../src/c/encoding/binary-xml-decoder.h"
#include "../src/c/data.h"
#include "../src/c/encoding/binary-xml-data.h"
#include "../src/c/util/crypto.h"
using namespace std;
using namespace ndn;
static double
getNowSeconds()
{
struct timeval t;
gettimeofday(&t, 0);
return t.tv_sec + t.tv_usec / 1000000.0;
}
static bool
verifyRsaSignature
(uint8_t* signedPortion, size_t signedPortionLength, uint8_t* signatureBits, size_t signatureBitsLength,
uint8_t* publicKeyDer, size_t publicKeyDerLength)
{
// Set signedPortionDigest to the digest of the signed portion of the wire encoding.
uint8_t signedPortionDigest[SHA256_DIGEST_LENGTH];
ndn_digestSha256(signedPortion, signedPortionLength, signedPortionDigest);
// Verify the signedPortionDigest.
// Use a temporary pointer since d2i updates it.
const uint8_t *derPointer = publicKeyDer;
RSA *rsaPublicKey = d2i_RSA_PUBKEY(NULL, &derPointer, publicKeyDerLength);
if (!rsaPublicKey) {
// Don't expect this to happen.
cout << "Error decoding public key in d2i_RSAPublicKey" << endl;
return 0;
}
int success = RSA_verify
(NID_sha256, signedPortionDigest, sizeof(signedPortionDigest), signatureBits, signatureBitsLength, rsaPublicKey);
// Free the public key before checking for success.
RSA_free(rsaPublicKey);
// RSA_verify returns 1 for a valid signature.
return (success == 1);
}
static uint8_t DEFAULT_PUBLIC_KEY_DER[] = {
0x30, 0x81, 0x9F, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81,
0x8D, 0x00, 0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xE1, 0x7D, 0x30, 0xA7, 0xD8, 0x28, 0xAB, 0x1B, 0x84, 0x0B, 0x17,
0x54, 0x2D, 0xCA, 0xF6, 0x20, 0x7A, 0xFD, 0x22, 0x1E, 0x08, 0x6B, 0x2A, 0x60, 0xD1, 0x6C, 0xB7, 0xF5, 0x44, 0x48, 0xBA,
0x9F, 0x3F, 0x08, 0xBC, 0xD0, 0x99, 0xDB, 0x21, 0xDD, 0x16, 0x2A, 0x77, 0x9E, 0x61, 0xAA, 0x89, 0xEE, 0xE5, 0x54, 0xD3,
0xA4, 0x7D, 0xE2, 0x30, 0xBC, 0x7A, 0xC5, 0x90, 0xD5, 0x24, 0x06, 0x7C, 0x38, 0x98, 0xBB, 0xA6, 0xF5, 0xDC, 0x43, 0x60,
0xB8, 0x45, 0xED, 0xA4, 0x8C, 0xBD, 0x9C, 0xF1, 0x26, 0xA7, 0x23, 0x44, 0x5F, 0x0E, 0x19, 0x52, 0xD7, 0x32, 0x5A, 0x75,
0xFA, 0xF5, 0x56, 0x14, 0x4F, 0x9A, 0x98, 0xAF, 0x71, 0x86, 0xB0, 0x27, 0x86, 0x85, 0xB8, 0xE2, 0xC0, 0x8B, 0xEA, 0x87,
0x17, 0x1B, 0x4D, 0xEE, 0x58, 0x5C, 0x18, 0x28, 0x29, 0x5B, 0x53, 0x95, 0xEB, 0x4A, 0x17, 0x77, 0x9F, 0x02, 0x03, 0x01,
0x00, 0x01
};
static uint8_t DEFAULT_PRIVATE_KEY_DER[] = {
0x30, 0x82, 0x02, 0x5d, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xe1, 0x7d, 0x30, 0xa7, 0xd8, 0x28, 0xab, 0x1b, 0x84,
0x0b, 0x17, 0x54, 0x2d, 0xca, 0xf6, 0x20, 0x7a, 0xfd, 0x22, 0x1e, 0x08, 0x6b, 0x2a, 0x60, 0xd1, 0x6c, 0xb7, 0xf5, 0x44,
0x48, 0xba, 0x9f, 0x3f, 0x08, 0xbc, 0xd0, 0x99, 0xdb, 0x21, 0xdd, 0x16, 0x2a, 0x77, 0x9e, 0x61, 0xaa, 0x89, 0xee, 0xe5,
0x54, 0xd3, 0xa4, 0x7d, 0xe2, 0x30, 0xbc, 0x7a, 0xc5, 0x90, 0xd5, 0x24, 0x06, 0x7c, 0x38, 0x98, 0xbb, 0xa6, 0xf5, 0xdc,
0x43, 0x60, 0xb8, 0x45, 0xed, 0xa4, 0x8c, 0xbd, 0x9c, 0xf1, 0x26, 0xa7, 0x23, 0x44, 0x5f, 0x0e, 0x19, 0x52, 0xd7, 0x32,
0x5a, 0x75, 0xfa, 0xf5, 0x56, 0x14, 0x4f, 0x9a, 0x98, 0xaf, 0x71, 0x86, 0xb0, 0x27, 0x86, 0x85, 0xb8, 0xe2, 0xc0, 0x8b,
0xea, 0x87, 0x17, 0x1b, 0x4d, 0xee, 0x58, 0x5c, 0x18, 0x28, 0x29, 0x5b, 0x53, 0x95, 0xeb, 0x4a, 0x17, 0x77, 0x9f, 0x02,
0x03, 0x01, 0x00, 0x01, 0x02, 0x81, 0x80, 0x1a, 0x4b, 0xfa, 0x4f, 0xa8, 0xc2, 0xdd, 0x69, 0xa1, 0x15, 0x96, 0x0b, 0xe8,
0x27, 0x42, 0x5a, 0xf9, 0x5c, 0xea, 0x0c, 0xac, 0x98, 0xaa, 0xe1, 0x8d, 0xaa, 0xeb, 0x2d, 0x3c, 0x60, 0x6a, 0xfb, 0x45,
0x63, 0xa4, 0x79, 0x83, 0x67, 0xed, 0xe4, 0x15, 0xc0, 0xb0, 0x20, 0x95, 0x6d, 0x49, 0x16, 0xc6, 0x42, 0x05, 0x48, 0xaa,
0xb1, 0xa5, 0x53, 0x65, 0xd2, 0x02, 0x99, 0x08, 0xd1, 0x84, 0xcc, 0xf0, 0xcd, 0xea, 0x61, 0xc9, 0x39, 0x02, 0x3f, 0x87,
0x4a, 0xe5, 0xc4, 0xd2, 0x07, 0x02, 0xe1, 0x9f, 0xa0, 0x06, 0xc2, 0xcc, 0x02, 0xe7, 0xaa, 0x6c, 0x99, 0x8a, 0xf8, 0x49,
0x00, 0xf1, 0xa2, 0x8c, 0x0c, 0x8a, 0xb9, 0x4f, 0x6d, 0x73, 0x3b, 0x2c, 0xb7, 0x9f, 0x8a, 0xa6, 0x7f, 0x9b, 0x9f, 0xb7,
0xa1, 0xcc, 0x74, 0x2e, 0x8f, 0xb8, 0xb0, 0x26, 0x89, 0xd2, 0xe5, 0x66, 0xe8, 0x8e, 0xa1, 0x02, 0x41, 0x00, 0xfc, 0xe7,
0x52, 0xbc, 0x4e, 0x95, 0xb6, 0x1a, 0xb4, 0x62, 0xcc, 0xd8, 0x06, 0xe1, 0xdc, 0x7a, 0xa2, 0xb6, 0x71, 0x01, 0xaa, 0x27,
0xfc, 0x99, 0xe5, 0xf2, 0x54, 0xbb, 0xb2, 0x85, 0xe1, 0x96, 0x54, 0x2d, 0xcb, 0xba, 0x86, 0xfa, 0x80, 0xdf, 0xcf, 0x39,
0xe6, 0x74, 0xcb, 0x22, 0xce, 0x70, 0xaa, 0x10, 0x00, 0x73, 0x1d, 0x45, 0x0a, 0x39, 0x51, 0x84, 0xf5, 0x15, 0x8f, 0x37,
0x76, 0x91, 0x02, 0x41, 0x00, 0xe4, 0x3f, 0xf0, 0xf4, 0xde, 0x79, 0x77, 0x48, 0x9b, 0x9c, 0x28, 0x45, 0x26, 0x57, 0x3c,
0x71, 0x40, 0x28, 0x6a, 0xa1, 0xfe, 0xc3, 0xe5, 0x37, 0xa1, 0x03, 0xf6, 0x2d, 0xbe, 0x80, 0x64, 0x72, 0x69, 0x2e, 0x9b,
0x4d, 0xe3, 0x2e, 0x1b, 0xfe, 0xe7, 0xf9, 0x77, 0x8c, 0x18, 0x53, 0x9f, 0xe2, 0xfe, 0x00, 0xbb, 0x49, 0x20, 0x47, 0xdf,
0x01, 0x61, 0x87, 0xd6, 0xe3, 0x44, 0xb5, 0x03, 0x2f, 0x02, 0x40, 0x54, 0xec, 0x7c, 0xbc, 0xdd, 0x0a, 0xaa, 0xde, 0xe6,
0xc9, 0xf2, 0x8d, 0x6c, 0x2a, 0x35, 0xf6, 0x3c, 0x63, 0x55, 0x29, 0x40, 0xf1, 0x32, 0x82, 0x9f, 0x53, 0xb3, 0x9e, 0x5f,
0xc1, 0x53, 0x52, 0x3e, 0xac, 0x2e, 0x28, 0x51, 0xa1, 0x16, 0xdb, 0x90, 0xe3, 0x99, 0x7e, 0x88, 0xa4, 0x04, 0x7c, 0x92,
0xae, 0xd2, 0xe7, 0xd4, 0xe1, 0x55, 0x20, 0x90, 0x3e, 0x3c, 0x6a, 0x63, 0xf0, 0x34, 0xf1, 0x02, 0x41, 0x00, 0x84, 0x5a,
0x17, 0x6c, 0xc6, 0x3c, 0x84, 0xd0, 0x93, 0x7a, 0xff, 0x56, 0xe9, 0x9e, 0x98, 0x2b, 0xcb, 0x5a, 0x24, 0x4a, 0xff, 0x21,
0xb4, 0x9e, 0x87, 0x3d, 0x76, 0xd8, 0x9b, 0xa8, 0x73, 0x96, 0x6c, 0x2b, 0x5c, 0x5e, 0xd3, 0xa6, 0xff, 0x10, 0xd6, 0x8e,
0xaf, 0xa5, 0x8a, 0xcd, 0xa2, 0xde, 0xcb, 0x0e, 0xbd, 0x8a, 0xef, 0xae, 0xfd, 0x3f, 0x1d, 0xc0, 0xd8, 0xf8, 0x3b, 0xf5,
0x02, 0x7d, 0x02, 0x41, 0x00, 0x8b, 0x26, 0xd3, 0x2c, 0x7d, 0x28, 0x38, 0x92, 0xf1, 0xbf, 0x15, 0x16, 0x39, 0x50, 0xc8,
0x6d, 0x32, 0xec, 0x28, 0xf2, 0x8b, 0xd8, 0x70, 0xc5, 0xed, 0xe1, 0x7b, 0xff, 0x2d, 0x66, 0x8c, 0x86, 0x77, 0x43, 0xeb,
0xb6, 0xf6, 0x50, 0x66, 0xb0, 0x40, 0x24, 0x6a, 0xaf, 0x98, 0x21, 0x45, 0x30, 0x01, 0x59, 0xd0, 0xc3, 0xfc, 0x7b, 0xae,
0x30, 0x18, 0xeb, 0x90, 0xfb, 0x17, 0xd3, 0xce, 0xb5
};
/**
* Loop to encode a data packet nIterations times using C++.
* @param nIterations The number of iterations.
* @param useComplex If true, use a large name, large content and all fields. If false, use a small name, small content
* and only required fields.
* @param useCrypto If true, sign the data packet. If false, use a blank signature.
* @param encoding Set this to the wire encoding.
* @return The number of seconds for all iterations.
*/
static double
benchmarkEncodeDataSecondsCpp(int nIterations, bool useComplex, bool useCrypto, Block& encoding)
{
Name name;
Block content;
if (useComplex) {
// Use a large name and content.
name = Name("/ndn/ucla.edu/apps/lwndn-test/numbers.txt/%FD%05%05%E8%0C%CE%1D/%00");
ostringstream contentStream;
int count = 1;
contentStream << (count++);
while (contentStream.str().length() < 1170)
contentStream << " " << (count++);
content = dataBlock(Tlv::Content, contentStream.str().c_str(), contentStream.str().length());
}
else {
// Use a small name and content.
name = Name("/test");
content = dataBlock(Tlv::Content, "abc", 3);
}
std::cout << "Content size: " << content.value_size() << std::endl;
// Initialize the KeyChain storage in case useCrypto is true.
ptr_lib::shared_ptr<MemoryIdentityStorage> identityStorage(new MemoryIdentityStorage());
ptr_lib::shared_ptr<MemoryPrivateKeyStorage> privateKeyStorage(new MemoryPrivateKeyStorage());
KeyChain keyChain(identityStorage, privateKeyStorage);
Name keyName("/testname/dsk-123");
// Initialize the storage.
identityStorage->addKey(keyName, KEY_TYPE_RSA,
PublicKey(DEFAULT_PUBLIC_KEY_DER, sizeof(DEFAULT_PUBLIC_KEY_DER)));
privateKeyStorage->setKeyPairForKeyName(keyName,
DEFAULT_PUBLIC_KEY_DER, sizeof(DEFAULT_PUBLIC_KEY_DER),
DEFAULT_PRIVATE_KEY_DER, sizeof(DEFAULT_PRIVATE_KEY_DER));
keyChain.identities().addCertificateAsDefault(*keyChain.identities().selfSign(keyName));
Name certificateName = keyChain.identities().getDefaultCertificateName();
// Set up publisherPublicKeyDigest and signatureBits in case useCrypto is false.
uint8_t signatureBitsArray[128];
memset(signatureBitsArray, 0, sizeof(signatureBitsArray));
Block signatureValue = dataBlock(Tlv::SignatureValue, signatureBitsArray, sizeof(signatureBitsArray));
double start = getNowSeconds();
for (int i = 0; i < nIterations; ++i) {
Data data(name);
data.setContent(content);
if (useComplex) {
data.setFreshnessPeriod(1000000);
}
if (useCrypto)
// This sets the signature fields.
keyChain.sign(data);
else {
// Imitate real sign method to set up the signature fields, but don't actually sign.
SignatureSha256WithRsa signature;
signature.setKeyLocator(certificateName);
signature.setValue(signatureValue);
data.setSignature(signature);
}
encoding = data.wireEncode();
}
double finish = getNowSeconds();
return finish - start;
}
static void
onVerified(const ptr_lib::shared_ptr<Data>& data)
{
// Do nothing since we expect it to verify.
}
static void
onVerifyFailed(const ptr_lib::shared_ptr<Data>& data)
{
cout << "Signature verification: FAILED" << endl;
}
/**
* Loop to decode a data packet nIterations times using C++.
* @param nIterations The number of iterations.
* @param useCrypto If true, verify the signature. If false, don't verify.
* @param encoding The wire encoding to decode.
* @return The number of seconds for all iterations.
*/
static double
benchmarkDecodeDataSecondsCpp(int nIterations, bool useCrypto, const ConstBufferPtr &encoding)
{
// // Initialize the KeyChain storage in case useCrypto is true.
// ptr_lib::shared_ptr<MemoryIdentityStorage> identityStorage(new MemoryIdentityStorage());
// identityStorage->addKey(keyName, KEY_TYPE_RSA, Blob(DEFAULT_PUBLIC_KEY_DER, sizeof(DEFAULT_PUBLIC_KEY_DER)));
// ptr_lib::shared_ptr<MemoryPrivateKeyStorage> privateKeyStorage(new MemoryPrivateKeyStorage());
// KeyChain keyChain(identityStorage, privateKeyStorage);
// Name keyName("/testname/DSK-123");
size_t nameSize = 0;
double start = getNowSeconds();
for (int i = 0; i < nIterations; ++i) {
Data data;
data.wireDecode(encoding);
// if (useCrypto)
// keyChain.verifyData(data, onVerified, onVerifyFailed);
}
double finish = getNowSeconds();
return finish - start;
}
/**
* Loop to encode a data packet nIterations times using C.
* @param nIterations The number of iterations.
* @param useComplex If true, use a large name, large content and all fields. If false, use a small name, small content
* and only required fields.
* @param useCrypto If true, sign the data packet. If false, use a blank signature.
* @param encoding Output buffer for the wire encoding.
* @param maxEncodingLength The size of the encoding buffer.
* @param encodingLength Return the number of output bytes in encoding.
* @return The number of seconds for all iterations.
*/
static double
benchmarkEncodeDataSecondsC
(int nIterations, bool useComplex, bool useCrypto, uint8_t* encoding, size_t maxEncodingLength, size_t *encodingLength)
{
struct ndn_Blob finalBlockId;
ndn_Blob_initialize(&finalBlockId, (uint8_t*)"\x00", 1);
struct ndn_NameComponent nameComponents[20];
struct ndn_Name name;
ndn_Name_initialize(&name, nameComponents, sizeof(nameComponents) / sizeof(nameComponents[0]));
Buffer contentBlob;
struct ndn_Blob content;
if (useComplex) {
// Use a large name and content.
ndn_Name_appendString(&name, (char*)"ndn");
ndn_Name_appendString(&name, (char*)"ucla.edu");
ndn_Name_appendString(&name, (char*)"apps");
ndn_Name_appendString(&name, (char*)"lwndn-test");
ndn_Name_appendString(&name, (char*)"numbers.txt");
ndn_Name_appendString(&name, (char*)"\xFD\x05\x05\xE8\x0C\xCE\x1D");
ndn_Name_appendBlob(&name, &finalBlockId);
ostringstream contentStream;
int count = 1;
contentStream << (count++);
while (contentStream.str().length() < 1170)
contentStream << " " << (count++);
contentBlob = Buffer((uint8_t*)contentStream.str().c_str(), contentStream.str().length());
}
else {
// Use a small name and content.
ndn_Name_appendString(&name, (char*)"test");
contentBlob = Buffer((uint8_t*)"abc", 3);
}
ndn_Blob_initialize(&content, (uint8_t*)contentBlob.buf(), contentBlob.size());
struct ndn_NameComponent certificateNameComponents[20];
struct ndn_Name certificateName;
ndn_Name_initialize(&certificateName, certificateNameComponents, sizeof(certificateNameComponents) / sizeof(certificateNameComponents[0]));
ndn_Name_appendString(&certificateName, (char*)"testname");
ndn_Name_appendString(&certificateName, (char*)"KEY");
ndn_Name_appendString(&certificateName, (char*)"DSK-123");
ndn_Name_appendString(&certificateName, (char*)"ID-CERT");
ndn_Name_appendString(&certificateName, (char*)"0");
// Set up publisherPublicKeyDigest and signatureBits in case useCrypto is false.
uint8_t* publicKeyDer = DEFAULT_PUBLIC_KEY_DER;
size_t publicKeyDerLength = sizeof(DEFAULT_PUBLIC_KEY_DER);
uint8_t publisherPublicKeyDigestArray[SHA256_DIGEST_LENGTH];
ndn_digestSha256(publicKeyDer, publicKeyDerLength, publisherPublicKeyDigestArray);
struct ndn_Blob publisherPublicKeyDigest;
ndn_Blob_initialize(&publisherPublicKeyDigest, publisherPublicKeyDigestArray, sizeof(publisherPublicKeyDigestArray));
uint8_t signatureBitsArray[128];
memset(signatureBitsArray, 0, sizeof(signatureBitsArray));
// Set up the private key now in case useCrypto is true.
// Use a temporary pointer since d2i updates it.
const uint8_t *privateKeyDerPointer = DEFAULT_PRIVATE_KEY_DER;
RSA *privateKey = d2i_RSAPrivateKey(NULL, &privateKeyDerPointer, sizeof(DEFAULT_PRIVATE_KEY_DER));
if (!privateKey) {
// Don't expect this to happen.
cout << "Error decoding private key DER" << endl;
return 0;
}
double start = getNowSeconds();
for (int i = 0; i < nIterations; ++i) {
struct ndn_Data data;
ndn_Data_initialize(&data, name.components, name.maxComponents, certificateName.components, certificateName.maxComponents);
data.name = name;
data.content = content;
if (useComplex) {
data.metaInfo.timestampMilliseconds = 1.3e+12;
data.metaInfo.freshnessSeconds = 1000;
ndn_NameComponent_initialize(&data.metaInfo.finalBlockID, finalBlockId.value, finalBlockId.length);
}
struct ndn_DynamicUInt8Array output;
struct ndn_BinaryXmlEncoder encoder;
size_t signedPortionBeginOffset, signedPortionEndOffset;
ndn_Error error;
data.signature.keyLocator.type = ndn_KeyLocatorType_KEYNAME;
data.signature.keyLocator.keyName = certificateName;
data.signature.keyLocator.keyNameType = (ndn_KeyNameType)-1;
data.signature.publisherPublicKeyDigest.publisherPublicKeyDigest = publisherPublicKeyDigest;
if (useCrypto) {
// Encode once to get the signed portion.
ndn_DynamicUInt8Array_initialize(&output, encoding, maxEncodingLength, 0);
ndn_BinaryXmlEncoder_initialize(&encoder, &output);
if ((error = ndn_encodeBinaryXmlData(&data, &signedPortionBeginOffset, &signedPortionEndOffset, &encoder))) {
cout << "Error in ndn_encodeBinaryXmlData: " << ndn_getErrorString(error) << endl;
return 0;
}
// Imitate MemoryPrivateKeyStorage::sign.
uint8_t digest[SHA256_DIGEST_LENGTH];
ndn_digestSha256(encoding + signedPortionBeginOffset, signedPortionEndOffset - signedPortionBeginOffset, digest);
unsigned int signatureBitsLength;
if (!RSA_sign(NID_sha256, digest, sizeof(digest), signatureBitsArray, &signatureBitsLength, privateKey)) {
// Don't expect this to happen.
cout << "Error in RSA_sign" << endl;
return 0;
}
ndn_Blob_initialize(&data.signature.signature, signatureBitsArray, signatureBitsLength);
}
else
// Set up the signature, but don't sign.
ndn_Blob_initialize(&data.signature.signature, signatureBitsArray, sizeof(signatureBitsArray));
// Assume the encoding buffer is big enough so we don't need to dynamically reallocate.
ndn_DynamicUInt8Array_initialize(&output, encoding, maxEncodingLength, 0);
ndn_BinaryXmlEncoder_initialize(&encoder, &output);
if ((error = ndn_encodeBinaryXmlData(&data, &signedPortionBeginOffset, &signedPortionEndOffset, &encoder))) {
cout << "Error in ndn_encodeBinaryXmlData: " << ndn_getErrorString(error) << endl;
return 0;
}
*encodingLength = encoder.offset;
}
double finish = getNowSeconds();
if (privateKey)
RSA_free(privateKey);
return finish - start;
}
/**
* Loop to decode a data packet nIterations times using C.
* @param nIterations The number of iterations.
* @param useCrypto If true, verify the signature. If false, don't verify.
* @param encoding The buffer with wire encoding to decode.
* @param encodingLength The number of bytes in the encoding.
* @return The number of seconds for all iterations.
*/
static double
benchmarkDecodeDataSecondsC(int nIterations, bool useCrypto, uint8_t* encoding, size_t encodingLength)
{
double start = getNowSeconds();
for (int i = 0; i < nIterations; ++i) {
struct ndn_NameComponent nameComponents[100];
struct ndn_NameComponent keyNameComponents[100];
struct ndn_Data data;
ndn_Data_initialize
(&data, nameComponents, sizeof(nameComponents) / sizeof(nameComponents[0]),
keyNameComponents, sizeof(keyNameComponents) / sizeof(keyNameComponents[0]));
ndn_BinaryXmlDecoder decoder;
ndn_BinaryXmlDecoder_initialize(&decoder, encoding, encodingLength);
size_t signedPortionBeginOffset, signedPortionEndOffset;
ndn_Error error;
if ((error = ndn_decodeBinaryXmlData(&data, &signedPortionBeginOffset, &signedPortionEndOffset, &decoder))) {
cout << "Error in ndn_decodeBinaryXmlData: " << ndn_getErrorString(error) << endl;
return 0;
}
if (useCrypto) {
if (!verifyRsaSignature
(encoding + signedPortionBeginOffset, signedPortionEndOffset - signedPortionBeginOffset,
data.signature.signature.value, data.signature.signature.length,
DEFAULT_PUBLIC_KEY_DER, sizeof(DEFAULT_PUBLIC_KEY_DER)))
cout << "Signature verification: FAILED" << endl;
}
}
double finish = getNowSeconds();
return finish - start;
}
/**
* Call benchmarkEncodeDataSecondsCpp and benchmarkDecodeDataSecondsCpp with appropriate nInterations. Print the
* results to cout.
* @param useComplex See benchmarkEncodeDataSecondsCpp.
* @param useCrypto See benchmarkEncodeDataSecondsCpp and benchmarkDecodeDataSecondsCpp.
*/
static void
benchmarkEncodeDecodeDataCpp(bool useComplex, bool useCrypto)
{
Block encoding;
{
int nIterations = useCrypto ? 20000 : 200000;
double duration = benchmarkEncodeDataSecondsCpp(nIterations, useComplex, useCrypto, encoding);
cout << "Encode " << (useComplex ? "complex" : "simple ") << " data C++: Crypto? " << (useCrypto ? "yes" : "no ")
<< ", Duration sec, Hz: " << duration << ", " << (nIterations / duration) << endl;
}
BufferPtr wire = ptr_lib::make_shared<Buffer>(encoding.wire(), encoding.size());
{
int nIterations = useCrypto ? 10000 : 1000000;
double duration = benchmarkDecodeDataSecondsCpp(nIterations, useCrypto, wire);
cout << "Decode " << (useComplex ? "complex" : "simple ") << " data C++: Crypto? " << (useCrypto ? "yes" : "no ")
<< ", Duration sec, Hz: " << duration << ", " << (nIterations / duration) << endl;
}
}
/**
* Call benchmarkEncodeDataSecondsC and benchmarkDecodeDataSecondsC with appropriate nInterations. Print the
* results to cout.
* @param useComplex See benchmarkEncodeDataSecondsC.
* @param useCrypto See benchmarkEncodeDataSecondsC and benchmarkDecodeDataSecondsC.
*/
static void
benchmarkEncodeDecodeDataC(bool useComplex, bool useCrypto)
{
uint8_t encoding[1500];
size_t encodingLength;
{
int nIterations = useCrypto ? 20000 : 10000000;
double duration = benchmarkEncodeDataSecondsC(nIterations, useComplex, useCrypto, encoding, sizeof(encoding), &encodingLength);
cout << "Encode " << (useComplex ? "complex" : "simple ") << " data C: Crypto? " << (useCrypto ? "yes" : "no ")
<< ", Duration sec, Hz: " << duration << ", " << (nIterations / duration) << endl;
}
{
int nIterations = useCrypto ? 150000 : 15000000;
double duration = benchmarkDecodeDataSecondsC(nIterations, useCrypto, encoding, encodingLength);
cout << "Decode " << (useComplex ? "complex" : "simple ") << " data C: Crypto? " << (useCrypto ? "yes" : "no ")
<< ", Duration sec, Hz: " << duration << ", " << (nIterations / duration) << endl;
}
}
int
main(int argc, char** argv)
{
try {
benchmarkEncodeDecodeDataCpp(false, false);
benchmarkEncodeDecodeDataCpp(true, false);
benchmarkEncodeDecodeDataCpp(false, true);
benchmarkEncodeDecodeDataCpp(true, true);
benchmarkEncodeDecodeDataC(false, false);
benchmarkEncodeDecodeDataC(true, false);
benchmarkEncodeDecodeDataC(false, true);
benchmarkEncodeDecodeDataC(true, true);
} catch (std::exception& e) {
cout << "exception: " << e.what() << endl;
}
return 0;
}