// Copyright 2020 Google LLC. All Rights Reserved.

#include "api/golden_data.h"

namespace widevine {

GoldenData::GoldenData() {
  // Content generated with:
  //   openssl aes-128-cbc -e -in data.txt
  //       -K EBDD62F16814D27B68EF122AFCE4AE3C
  //       -iv 30313233343536373839303132333435 | xxd -i
  // Extra padding was stripped off.
  cbc_content_ = {
      /* plaintext */ {'t', 'h', 'i', 's', ' ', 'i', 's', ' ', 't', 'h', 'e',
                       ' ', 'p', 'l', 'a', 'i', 'n', 't', 'e', 'x', 't', ' ',
                       ':', ' ', '3', '2', ' ', 'b', 'y', 't', 'e', 's'},
      /* ciphertext */
      {0x5e, 0x60, 0x0d, 0x3c, 0x29, 0xb9, 0x49, 0x4c, 0x65, 0x67, 0x7e,
       0x87, 0x82, 0x9d, 0x47, 0x58, 0xb9, 0x86, 0xd0, 0x39, 0x6a, 0x67,
       0x2c, 0x53, 0xe9, 0xbc, 0x99, 0x5b, 0x23, 0x34, 0x9f, 0xf8},
      /* key */
      {0xEB, 0xDD, 0x62, 0xF1, 0x68, 0x14, 0xD2, 0x7B, 0x68, 0xEF, 0x12, 0x2A,
       0xFC, 0xE4, 0xAE, 0x3C},
      /* iv */
      {0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x30, 0x31,
       0x32, 0x33, 0x34, 0x35},
  };

  cbc_crypto_key_ = {
      video_widevine::License_KeyContainer_SecurityLevel_SW_SECURE_CRYPTO,
      {0xFF, 0, 0, 0},
      &cbc_content_,
  };

  cbc_decode_key_ = {
      video_widevine::License_KeyContainer_SecurityLevel_SW_SECURE_DECODE,
      {0xFF, 1, 0, 0},
      &cbc_content_,
  };

  cbc_hardware_key_ = {
      video_widevine::License_KeyContainer_SecurityLevel_HW_SECURE_CRYPTO,
      {0xFF, 2, 0, 0},
      &cbc_content_,
  };

  // Content generated with:
  //   openssl aes-128-ctr -e -in data.txt
  //      -K dd3c6cd4ea73b99d55f2e0357e1f560f
  //      -iv d50c08b31fc09e9e748431ca972334e6 | xxd -i
  ctr_content_ = {
      /* plaintext */ {'T', 'h', 'i', 'r', 't', 'y', '-', 't', 'w', 'o', ' ',
                       'b', 'y', 't', 'e', 's', ' ', 'o', 'f', ' ', 'r', 'a',
                       'n', 'd', 'o', 'm', ' ', 'd', 'a', 't', 'a', '.'},
      /* ciphertext */
      {0x5d, 0x83, 0xdd, 0xb9, 0xed, 0x18, 0x2f, 0x10, 0xbf, 0x6f, 0x4d,
       0xb0, 0xb3, 0xeb, 0x0d, 0x20, 0xd7, 0x7e, 0x9a, 0x3a, 0xc4, 0x41,
       0xcf, 0x0a, 0xb3, 0xae, 0x02, 0x01, 0x0a, 0xf2, 0x72, 0x72},
      /* key */
      {0xdd, 0x3c, 0x6c, 0xd4, 0xea, 0x73, 0xb9, 0x9d, 0x55, 0xf2, 0xe0, 0x35,
       0x7e, 0x1f, 0x56, 0x0f},
      /* iv */
      {0xd5, 0x0c, 0x08, 0xb3, 0x1f, 0xc0, 0x9e, 0x9e, 0x74, 0x84, 0x31, 0xca,
       0x97, 0x23, 0x34, 0xe6},
  };

  ctr_crypto_key_ = {
      video_widevine::License_KeyContainer_SecurityLevel_SW_SECURE_CRYPTO,
      {0xFF, 3, 0, 0},
      &ctr_content_,
  };

  ctr_decode_key_ = {
      video_widevine::License_KeyContainer_SecurityLevel_SW_SECURE_DECODE,
      {0xFF, 4, 0, 0},
      &ctr_content_,
  };

  ctr_hardware_key_ = {
      video_widevine::License_KeyContainer_SecurityLevel_HW_SECURE_CRYPTO,
      {0xFF, 5, 0, 0},
      &ctr_content_,
  };
}

void GoldenData::MakeKeyIdDifferent(std::vector<uint8_t>* key_id) const {
  // All our internal key ids start with 0xFF, so pushing something that is not
  // 0xFF to the front will ensure that they don't collide.
  key_id->insert(key_id->begin(), 0xAB);
}

}  // namespace widevine