crypto-lite.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_CRYPTOLITE_HPP
#define NDN_CRYPTOLITE_HPP

#include "blob-lite.hpp"
#include "../../c/errors.h"

namespace ndn {

class CryptoLite {
public:
  static void
  digestSha256(const uint8_t* data, size_t dataLength, uint8_t *digest);

  static void
  digestSha256(const BlobLite& data, uint8_t *digest)
  {
    digestSha256(data.buf(), data.size(), digest);
  }

  static ndn_Error
  generateRandomBytes(uint8_t* buffer, size_t bufferLength);

  static void
  computeHmacWithSha256
    (const uint8_t* key, size_t keyLength, const uint8_t* data, size_t dataLength,
     uint8_t *digest);

  static void
  computeHmacWithSha256
    (const BlobLite& key, const BlobLite& data, uint8_t *digest)
  {
    computeHmacWithSha256(key.buf(), key.size(), data.buf(), data.size(), digest);
  }

  static bool
  verifyDigestSha256Signature
    (const uint8_t* signature, size_t signatureLength, const uint8_t *data,
     size_t dataLength);

  static bool
  verifyDigestSha256Signature(const BlobLite& signature, const BlobLite& data)
  {
    return verifyDigestSha256Signature
      (signature.buf(), signature.size(), data.buf(), data.size());
  }
};

}

#endif