/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <cassert>

#include <cstddef>

#include <cstdint>

#include "keyhi.h"

#include "nss_scoped_ptrs.h"

#include "pk11pub.h"

#include "seccomon.h"

#include "utilrename.h"

#include "asn1/mutators.h"

#include "base/database.h"

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

  static NSSDatabase db = NSSDatabase();

  SECItem derPki = {siBuffer, (unsigned char*)data, (unsigned int)size};

  ScopedPK11SlotInfo slot(PK11_GetInternalSlot());

  assert(slot);

  SECKEYPrivateKey* privKey = nullptr;

  if (PK11_ImportDERPrivateKeyInfoAndReturnKey(

          slot.get(), &derPki, nullptr, nullptr, false, false, KU_ALL, &privKey,

          nullptr) != SECSuccess) {

    return 0;

  }

  // Basic properties.

  (void)SECKEY_GetPrivateKeyType(privKey);

  (void)SECKEY_PrivateKeyStrengthInBits(privKey);

  (void)PK11_SignatureLen(privKey);

  (void)PK11_GetPrivateModulusLen(privKey);

  ScopedSECItem keyID(PK11_GetLowLevelKeyIDForPrivateKey(privKey));

  SECKEYPQGParams* params = PK11_GetPQGParamsFromPrivateKey(privKey);

  if (params && params->arena) {

    PORT_FreeArena(params->arena, PR_FALSE);

  }

  // Key and nickname.

  ScopedSECKEYPublicKey pubKey(SECKEY_ConvertToPublicKey(privKey));

  ScopedCERTCertificate cert(PK11_GetCertFromPrivateKey(privKey));

  char* nickname = PK11_GetPrivateKeyNickname(privKey);

  PORT_Free(nickname);

  // Export.

  ScopedSECItem derExport(PK11_ExportDERPrivateKeyInfo(privKey, nullptr));

  SECKEY_DestroyPrivateKey(privKey);

  return 0;

}

extern "C" size_t LLVMFuzzerCustomMutator(uint8_t* data, size_t size,

                                          size_t maxSize, unsigned int seed) {

  return ASN1Mutators::CustomMutator(data, size, maxSize, seed);

}

extern "C" size_t LLVMFuzzerCustomCrossOver(const uint8_t* data1, size_t size1,

                                            const uint8_t* data2, size_t size2,

                                            uint8_t* out, size_t maxOutSize,

                                            unsigned int seed) {

  return ASN1Mutators::CustomCrossOver(data1, size1, data2, size2, out,

                                       maxOutSize, seed);

}