// Copyright 2023 Google LLC. All Rights Reserved. This file and proprietary
// source code may only be used and distributed under the Widevine
// License Agreement.
//

#include "oemcrypto_cast_test.h"

using ::testing::Range;

namespace wvoec {

/// @addtogroup cast
/// @{

/** If a device can load a private key with the alternate padding schemes, it
 * should support signing with the alternate scheme. */
TEST_F(OEMCryptoLoadsCertificateAlternates, TestSignaturePKCS1) {
  // Try to load an RSA key with alternative padding schemes.  This signing
  // scheme is used by cast receivers.
  LoadCastCertificateKey(false);
  // If the device is a cast receiver, then this scheme is required.
  if (global_features.cast_receiver) {
    ASSERT_TRUE(key_loaded_);
    // A signature with a valid size should succeed.
    TestSignature(kSign_PKCS1_Block1, 83);
    TestSignature(kSign_PKCS1_Block1, 50);
  }
  // If the key loaded with no error, then we will verify that it is not used
  // for forbidden padding schemes. This should be tested for both devices that
  // are cast receivers and devices that are not.
  if (key_loaded_) {
    // A signature with padding that is too big should fail.
    DisallowForbiddenPaddingDRMKey(kSign_PKCS1_Block1, 84);  // too big.
  }
}

/** The alternate padding is only required for cast receivers, but if a device
 *  does load an alternate certificate, it should NOT be used to as a DRM cert
 *  key. */
TEST_F(OEMCryptoLoadsCertificateAlternates, ForbidUseAsDRMCert) {
  // Try to load an RSA key with alternative padding schemes.  This signing
  // scheme is used by cast receivers.
  LoadCastCertificateKey(false);
  // If the device is a cast receiver, then this scheme is required.
  if (global_features.cast_receiver) {
    ASSERT_TRUE(key_loaded_);
  }
  // If the key loaded with no error, then we will verify that it is not used
  // for forbidden padding schemes.
  if (key_loaded_) {
    // The other padding scheme should fail.
    DisallowForbiddenPaddingDRMKey(kSign_RSASSA_PSS, 83);
  }
}

/** A Cast receiver certificate private key cannot be used with the function
 * PrepAndSignLicenseRequest.
 */
TEST_F(OEMCryptoLoadsCertificateAlternates, ForbidPrepAndSign) {
  // Try to load an RSA key with alternative padding schemes.  This signing
  // scheme is used by cast receivers.
  LoadCastCertificateKey(false);
  // If the device is a cast receiver, then this scheme is required.
  if (global_features.cast_receiver) {
    ASSERT_TRUE(key_loaded_);
  }
  // If the key loaded with no error, then we will verify that it is not used
  // for forbidden padding schemes.
  if (key_loaded_) {
    Session s;
    ASSERT_NO_FATAL_FAILURE(s.open());
    ASSERT_NO_FATAL_FAILURE(s.LoadWrappedRsaDrmKey(wrapped_drm_key_));
    s.GenerateNonce();

    size_t core_message_length = 100;
    std::vector<uint8_t> message(128, 0);
    std::vector<uint8_t> signature(256, 0);
    size_t signature_length = signature.size();

    OEMCryptoResult result = OEMCrypto_PrepAndSignLicenseRequest(
        s.session_id(), message.data(), message.size(), &core_message_length,
        signature.data(), &signature_length);
    ASSERT_EQ(OEMCrypto_ERROR_INVALID_KEY, result);
    const vector<uint8_t> zero(signature.size(), 0);
    ASSERT_EQ(signature, zero);  // Signature should not have been computed.
  }
}

// This test verifies RSA signing with the alternate padding scheme used by
// Android cast receivers, PKCS1 Block 1.  These tests are not required for
// other devices, and should be filtered out by DeviceFeatures::Initialize for
// those devices.
class OEMCryptoCastReceiverTest : public OEMCryptoLoadsCertificateAlternates {
 protected:
  void SetUp() override {
    OEMCryptoLoadsCertificateAlternates::SetUp();
    if (!global_features.cast_receiver) {
      GTEST_SKIP() << "OEMCrypto does not support CAST Receiver functionality";
    }
  }

  vector<uint8_t> encode(uint8_t type, const vector<uint8_t>& substring) {
    vector<uint8_t> result;
    result.push_back(type);
    if (substring.size() < 0x80) {
      uint8_t length = substring.size();
      result.push_back(length);
    } else if (substring.size() < 0x100) {
      result.push_back(0x81);
      uint8_t length = substring.size();
      result.push_back(length);
    } else {
      result.push_back(0x82);
      uint16_t length = substring.size();
      result.push_back(length >> 8);
      result.push_back(length & 0xFF);
    }
    result.insert(result.end(), substring.begin(), substring.end());
    return result;
  }
  vector<uint8_t> concat(const vector<uint8_t>& a, const vector<uint8_t>& b) {
    vector<uint8_t> result = a;
    result.insert(result.end(), b.begin(), b.end());
    return result;
  }

  // This encodes the RSA key used in the PKCS#1 signing tests below.
  void BuildRSAKey() {
    vector<uint8_t> field_n =
        encode(0x02, wvutil::a2b_hex("00"
                                     "df271fd25f8644496b0c81be4bd50297"
                                     "ef099b002a6fd67727eb449cea566ed6"
                                     "a3981a71312a141cabc9815c1209e320"
                                     "a25b32464e9999f18ca13a9fd3892558"
                                     "f9e0adefdd3650dd23a3f036d60fe398"
                                     "843706a40b0b8462c8bee3bce12f1f28"
                                     "60c2444cdc6a44476a75ff4aa24273cc"
                                     "be3bf80248465f8ff8c3a7f3367dfc0d"
                                     "f5b6509a4f82811cedd81cdaaa73c491"
                                     "da412170d544d4ba96b97f0afc806549"
                                     "8d3a49fd910992a1f0725be24f465cfe"
                                     "7e0eabf678996c50bc5e7524abf73f15"
                                     "e5bef7d518394e3138ce4944506aaaaf"
                                     "3f9b236dcab8fc00f87af596fdc3d9d6"
                                     "c75cd508362fae2cbeddcc4c7450b17b"
                                     "776c079ecca1f256351a43b97dbe2153"));
    vector<uint8_t> field_e = encode(0x02, wvutil::a2b_hex("010001"));
    vector<uint8_t> field_d =
        encode(0x02, wvutil::a2b_hex("5bd910257830dce17520b03441a51a8c"
                                     "ab94020ac6ecc252c808f3743c95b7c8"
                                     "3b8c8af1a5014346ebc4242cdfb5d718"
                                     "e30a733e71f291e4d473b61bfba6daca"
                                     "ed0a77bd1f0950ae3c91a8f901118825"
                                     "89e1d62765ee671e7baeea309f64d447"
                                     "bbcfa9ea12dce05e9ea8939bc5fe6108"
                                     "581279c982b308794b3448e7f7b95229"
                                     "2df88c80cb40142c4b5cf5f8ddaa0891"
                                     "678d610e582fcb880f0d707caf47d09a"
                                     "84e14ca65841e5a3abc5e9dba94075a9"
                                     "084341f0edad9b68e3b8e082b80b6e6e"
                                     "8a0547b44fb5061b6a9131603a5537dd"
                                     "abd01d8e863d8922e9aa3e4bfaea0b39"
                                     "d79283ad2cbc8a59cce7a6ecf4e4c81e"
                                     "d4c6591c807defd71ab06866bb5e7745"));
    vector<uint8_t> field_p =
        encode(0x02, wvutil::a2b_hex("00"
                                     "f44f5e4246391f482b2f5296e3602eb3"
                                     "4aa136427710f7c0416d403fd69d4b29"
                                     "130cfebef34e885abdb1a8a0a5f0e9b5"
                                     "c33e1fc3bfc285b1ae17e40cc67a1913"
                                     "dd563719815ebaf8514c2a7aa0018e63"
                                     "b6c631dc315a46235716423d11ff5803"
                                     "4e610645703606919f5c7ce2660cd148"
                                     "bd9efc123d9c54b6705590d006cfcf3f"));
    vector<uint8_t> field_q =
        encode(0x02, wvutil::a2b_hex("00"
                                     "e9d49841e0e0a6ad0d517857133e36dc"
                                     "72c1bdd90f9174b52e26570f373640f1"
                                     "c185e7ea8e2ed7f1e4ebb951f70a5802"
                                     "3633b0097aec67c6dcb800fc1a67f9bb"
                                     "0563610f08ebc8746ad129772136eb1d"
                                     "daf46436450d318332a84982fe5d28db"
                                     "e5b3e912407c3e0e03100d87d436ee40"
                                     "9eec1cf85e80aba079b2e6106b97bced"));
    vector<uint8_t> field_exp1 =
        encode(0x02, wvutil::a2b_hex("00"
                                     "ed102acdb26871534d1c414ecad9a4d7"
                                     "32fe95b10eea370da62f05de2c393b1a"
                                     "633303ea741b6b3269c97f704b352702"
                                     "c9ae79922f7be8d10db67f026a8145de"
                                     "41b30c0a42bf923bac5f7504c248604b"
                                     "9faa57ed6b3246c6ba158e36c644f8b9"
                                     "548fcf4f07e054a56f768674054440bc"
                                     "0dcbbc9b528f64a01706e05b0b91106f"));
    vector<uint8_t> field_exp2 =
        encode(0x02, wvutil::a2b_hex("6827924a85e88b55ba00f8219128bd37"
                                     "24c6b7d1dfe5629ef197925fecaff5ed"
                                     "b9cdf3a7befd8ea2e8dd3707138b3ff8"
                                     "7c3c39c57f439e562e2aa805a39d7cd7"
                                     "9966d2ece7845f1dbc16bee99999e4d0"
                                     "bf9eeca45fcda8a8500035fe6b5f03bc"
                                     "2f6d1bfc4d4d0a3723961af0cdce4a01"
                                     "eec82d7f5458ec19e71b90eeef7dff61"));
    vector<uint8_t> field_invq =
        encode(0x02, wvutil::a2b_hex("57b73888d183a99a6307422277551a3d"
                                     "9e18adf06a91e8b55ceffef9077c8496"
                                     "948ecb3b16b78155cb2a3a57c119d379"
                                     "951c010aa635edcf62d84c5a122a8d67"
                                     "ab5fa9e5a4a8772a1e943bafc70ae3a4"
                                     "c1f0f3a4ddffaefd1892c8cb33bb0d0b"
                                     "9590e963a69110fb34db7b906fc4ba28"
                                     "36995aac7e527490ac952a02268a4f18"));

    // Header of rsa key is constant.
    encoded_rsa_key_ = wvutil::a2b_hex(
        //  0x02 0x01 0x00 == integer, size 1 byte, value = 0
        //  (field=version)
        "020100"
        //  0x30, sequence, size = d = 13 (field=pkeyalg)
        //  AlgorithmIdentifier
        "300d"
        // 0x06 = object identifier. length = 9
        //  (this should be 1.2.840.113549.1.1.1) (field=algorithm)
        "0609"
        "2a"    // 1*0x40 + 2 = 42 = 0x2a.
        "8648"  // 840 = 0x348,  0x03 *2 + 0x80 + (0x48>>15) = 0x86.
        // 0x48 -> 0x48
        "86f70d"  // 113549 = 0x1668d -> (110 , 1110111, 0001101)
        // -> (0x80+0x06, 0x80+0x77, 0x0d)
        "01"  // 1
        "01"  // 1
        "01"  // 1
        "05"  // null object.  (field=parameter?)
        "00"  // size of null object
    );

    vector<uint8_t> pkey = wvutil::a2b_hex("020100");  // integer, version = 0.
    pkey = concat(pkey, field_n);
    pkey = concat(pkey, field_e);
    pkey = concat(pkey, field_d);
    pkey = concat(pkey, field_p);
    pkey = concat(pkey, field_q);
    pkey = concat(pkey, field_exp1);
    pkey = concat(pkey, field_exp2);
    pkey = concat(pkey, field_invq);
    pkey = encode(0x30, pkey);
    pkey = encode(0x04, pkey);

    encoded_rsa_key_ = concat(encoded_rsa_key_, pkey);
    encoded_rsa_key_ = encode(0x30, encoded_rsa_key_);  // 0x30=sequence
  }

  // This is used to test a signature from the file pkcs1v15sign-vectors.txt.
  void TestSignature(RSA_Padding_Scheme scheme, const vector<uint8_t>& message,
                     const vector<uint8_t>& correct_signature) {
    OEMCryptoResult sts;
    Session s;
    ASSERT_NO_FATAL_FAILURE(s.open());
    ASSERT_NO_FATAL_FAILURE(s.LoadWrappedRsaDrmKey(wrapped_drm_key_));

    vector<uint8_t> digest;
    ASSERT_NO_FATAL_FAILURE(PrepareCastDigestedMessage(message, digest));

    // OEMCrypto will apply the padding, and encrypt to generate the
    // signature.
    size_t signature_length = 0;
    sts = OEMCrypto_GenerateRSASignature(s.session_id(), digest.data(),
                                         digest.size(), nullptr,
                                         &signature_length, scheme);
    ASSERT_EQ(OEMCrypto_ERROR_SHORT_BUFFER, sts);
    ASSERT_NE(static_cast<size_t>(0), signature_length);

    vector<uint8_t> signature(signature_length);
    sts = OEMCrypto_GenerateRSASignature(s.session_id(), digest.data(),
                                         digest.size(), signature.data(),
                                         &signature_length, scheme);

    ASSERT_EQ(OEMCrypto_SUCCESS, sts)
        << "Failed to sign with padding scheme=" << (int)scheme
        << ", size=" << message.size();
    signature.resize(signature_length);
    ASSERT_NO_FATAL_FAILURE(s.SetRsaPublicKeyFromPrivateKeyInfo(
        encoded_rsa_key_.data(), encoded_rsa_key_.size()));

    // Verify that the signature matches the official test vector.
    ASSERT_EQ(correct_signature.size(), signature_length);
    signature.resize(signature_length);
    ASSERT_EQ(correct_signature, signature);

    // Also verify that our verification algorithm agrees.  This is not
    // needed to test OEMCrypto, but it does verify that this test is valid.
    ASSERT_NO_FATAL_FAILURE(s.VerifyRsaSignature(digest, signature.data(),
                                                 signature_length, scheme));
    ASSERT_NO_FATAL_FAILURE(s.VerifyRsaSignature(
        digest, correct_signature.data(), correct_signature.size(), scheme));
  }
};

// CAST Receivers should report that they support cast certificates.
TEST_F(OEMCryptoCastReceiverTest, SupportsCertificatesAPI13) {
  ASSERT_NE(0u,
            OEMCrypto_Supports_RSA_CAST & OEMCrypto_SupportedCertificates());
}

// # PKCS#1 v1.5 Signature Example 15.1
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_1) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "f45d55f35551e975d6a8dc7ea9f48859"
      "3940cc75694a278f27e578a163d839b3"
      "4040841808cf9c58c9b8728bf5f9ce8e"
      "e811ea91714f47bab92d0f6d5a26fcfe"
      "ea6cd93b910c0a2c963e64eb1823f102"
      "753d41f0335910ad3a977104f1aaf6c3"
      "742716a9755d11b8eed690477f445c5d"
      "27208b2e284330fa3d301423fa7f2d08"
      "6e0ad0b892b9db544e456d3f0dab85d9"
      "53c12d340aa873eda727c8a649db7fa6"
      "3740e25e9af1533b307e61329993110e"
      "95194e039399c3824d24c51f22b26bde"
      "1024cd395958a2dfeb4816a6e8adedb5"
      "0b1f6b56d0b3060ff0f1c4cb0d0e001d"
      "d59d73be12");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "b75a5466b65d0f300ef53833f2175c8a"
      "347a3804fc63451dc902f0b71f908345"
      "9ed37a5179a3b723a53f1051642d7737"
      "4c4c6c8dbb1ca20525f5c9f32db77695"
      "3556da31290e22197482ceb69906c46a"
      "758fb0e7409ba801077d2a0a20eae7d1"
      "d6d392ab4957e86b76f0652d68b83988"
      "a78f26e11172ea609bf849fbbd78ad7e"
      "dce21de662a081368c040607cee29db0"
      "627227f44963ad171d2293b633a392e3"
      "31dca54fe3082752f43f63c161b447a4"
      "c65a6875670d5f6600fcc860a1caeb0a"
      "88f8fdec4e564398a5c46c87f68ce070"
      "01f6213abe0ab5625f87d19025f08d81"
      "dac7bd4586bc9382191f6d2880f6227e"
      "5df3eed21e7792d249480487f3655261");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}
// # PKCS#1 v1.5 Signature Example 15.2
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_2) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "c14b4c6075b2f9aad661def4ecfd3cb9"
      "33c623f4e63bf53410d2f016d1ab98e2"
      "729eccf8006cd8e08050737d95fdbf29"
      "6b66f5b9792a902936c4f7ac69f51453"
      "ce4369452dc22d96f037748114662000"
      "dd9cd3a5e179f4e0f81fa6a0311ca1ae"
      "e6519a0f63cec78d27bb726393fb7f1f"
      "88cde7c97f8a66cd66301281dac3f3a4"
      "33248c75d6c2dcd708b6a97b0a3f325e"
      "0b2964f8a5819e479b");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "afa7343462bea122cc149fca70abdae7"
      "9446677db5373666af7dc313015f4de7"
      "86e6e394946fad3cc0e2b02bedba5047"
      "fe9e2d7d099705e4a39f28683279cf0a"
      "c85c1530412242c0e918953be000e939"
      "cf3bf182525e199370fa7907eba69d5d"
      "b4631017c0e36df70379b5db8d4c695a"
      "979a8e6173224065d7dc15132ef28cd8"
      "22795163063b54c651141be86d36e367"
      "35bc61f31fca574e5309f3a3bbdf91ef"
      "f12b99e9cc1744f1ee9a1bd22c5bad96"
      "ad481929251f0343fd36bcf0acde7f11"
      "e5ad60977721202796fe061f9ada1fc4"
      "c8e00d6022a8357585ffe9fdd59331a2"
      "8c4aa3121588fb6cf68396d8ac054659"
      "9500c9708500a5972bd54f72cf8db0c8");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.3
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_3) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "d02371ad7ee48bbfdb2763de7a843b94"
      "08ce5eb5abf847ca3d735986df84e906"
      "0bdbcdd3a55ba55dde20d4761e1a21d2"
      "25c1a186f4ac4b3019d3adf78fe63346"
      "67f56f70c901a0a2700c6f0d56add719"
      "592dc88f6d2306c7009f6e7a635b4cb3"
      "a502dfe68ddc58d03be10a1170004fe7"
      "4dd3e46b82591ff75414f0c4a03e605e"
      "20524f2416f12eca589f111b75d639c6"
      "1baa80cafd05cf3500244a219ed9ced9"
      "f0b10297182b653b526f400f2953ba21"
      "4d5bcd47884132872ae90d4d6b1f4215"
      "39f9f34662a56dc0e7b4b923b6231e30"
      "d2676797817f7c337b5ac824ba93143b"
      "3381fa3dce0e6aebd38e67735187b1eb"
      "d95c02");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "3bac63f86e3b70271203106b9c79aabd"
      "9f477c56e4ee58a4fce5baf2cab4960f"
      "88391c9c23698be75c99aedf9e1abf17"
      "05be1dac33140adb48eb31f450bb9efe"
      "83b7b90db7f1576d33f40c1cba4b8d6b"
      "1d3323564b0f1774114fa7c08e6d1e20"
      "dd8fbba9b6ac7ad41e26b4568f4a8aac"
      "bfd178a8f8d2c9d5f5b88112935a8bc9"
      "ae32cda40b8d20375510735096536818"
      "ce2b2db71a9772c9b0dda09ae10152fa"
      "11466218d091b53d92543061b7294a55"
      "be82ff35d5c32fa233f05aaac7585030"
      "7ecf81383c111674397b1a1b9d3bf761"
      "2ccbe5bacd2b38f0a98397b24c83658f"
      "b6c0b4140ef11970c4630d44344e76ea"
      "ed74dcbee811dbf6575941f08a6523b8");
  TestSignature(kSign_PKCS1_Block1, message, signature);
};

// # PKCS#1 v1.5 Signature Example 15.4
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_4) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "29035584ab7e0226a9ec4b02e8dcf127"
      "2dc9a41d73e2820007b0f6e21feccd5b"
      "d9dbb9ef88cd6758769ee1f956da7ad1"
      "8441de6fab8386dbc693");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "28d8e3fcd5dddb21ffbd8df1630d7377"
      "aa2651e14cad1c0e43ccc52f907f946d"
      "66de7254e27a6c190eb022ee89ecf622"
      "4b097b71068cd60728a1aed64b80e545"
      "7bd3106dd91706c937c9795f2b36367f"
      "f153dc2519a8db9bdf2c807430c451de"
      "17bbcd0ce782b3e8f1024d90624dea7f"
      "1eedc7420b7e7caa6577cef43141a726"
      "4206580e44a167df5e41eea0e69a8054"
      "54c40eefc13f48e423d7a32d02ed42c0"
      "ab03d0a7cf70c5860ac92e03ee005b60"
      "ff3503424b98cc894568c7c56a023355"
      "1cebe588cf8b0167b7df13adcad82867"
      "6810499c704da7ae23414d69e3c0d2db"
      "5dcbc2613bc120421f9e3653c5a87672"
      "97643c7e0740de016355453d6c95ae72");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.5
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_5) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex("bda3a1c79059eae598308d3df609");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "a156176cb96777c7fb96105dbd913bc4"
      "f74054f6807c6008a1a956ea92c1f81c"
      "b897dc4b92ef9f4e40668dc7c556901a"
      "cb6cf269fe615b0fb72b30a513386923"
      "14b0e5878a88c2c7774bd16939b5abd8"
      "2b4429d67bd7ac8e5ea7fe924e20a6ec"
      "662291f2548d734f6634868b039aa5f9"
      "d4d906b2d0cb8585bf428547afc91c6e"
      "2052ddcd001c3ef8c8eefc3b6b2a82b6"
      "f9c88c56f2e2c3cb0be4b80da95eba37"
      "1d8b5f60f92538743ddbb5da2972c71f"
      "e7b9f1b790268a0e770fc5eb4d5dd852"
      "47d48ae2ec3f26255a3985520206a1f2"
      "68e483e9dbb1d5cab190917606de31e7"
      "c5182d8f151bf41dfeccaed7cde690b2"
      "1647106b490c729d54a8fe2802a6d126");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.6
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_6) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "c187915e4e87da81c08ed4356a0cceac"
      "1c4fb5c046b45281b387ec28f1abfd56"
      "7e546b236b37d01ae71d3b2834365d3d"
      "f380b75061b736b0130b070be58ae8a4"
      "6d12166361b613dbc47dfaeb4ca74645"
      "6c2e888385525cca9dd1c3c7a9ada76d"
      "6c");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "9cab74163608669f7555a333cf196fe3"
      "a0e9e5eb1a32d34bb5c85ff689aaab0e"
      "3e65668ed3b1153f94eb3d8be379b8ee"
      "f007c4a02c7071ce30d8bb341e58c620"
      "f73d37b4ecbf48be294f6c9e0ecb5e63"
      "fec41f120e5553dfa0ebebbb72640a95"
      "37badcb451330229d9f710f62e3ed8ec"
      "784e50ee1d9262b42671340011d7d098"
      "c6f2557b2131fa9bd0254636597e88ec"
      "b35a240ef0fd85957124df8080fee1e1"
      "49af939989e86b26c85a5881fae8673d"
      "9fd40800dd134eb9bdb6410f420b0aa9"
      "7b20efcf2eb0c807faeb83a3ccd9b51d"
      "4553e41dfc0df6ca80a1e81dc234bb83"
      "89dd195a38b42de4edc49d346478b9f1"
      "1f0557205f5b0bd7ffe9c850f396d7c4");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.7
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_7) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "abfa2ecb7d29bd5bcb9931ce2bad2f74"
      "383e95683cee11022f08e8e7d0b8fa05"
      "8bf9eb7eb5f98868b5bb1fb5c31ceda3"
      "a64f1a12cdf20fcd0e5a246d7a1773d8"
      "dba0e3b277545babe58f2b96e3f4edc1"
      "8eabf5cd2a560fca75fe96e07d859def"
      "b2564f3a34f16f11e91b3a717b41af53"
      "f6605323001aa406c6");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "c4b437bcf703f352e1faf74eb9622039"
      "426b5672caf2a7b381c6c4f0191e7e4a"
      "98f0eebcd6f41784c2537ff0f99e7498"
      "2c87201bfbc65eae832db71d16dacadb"
      "0977e5c504679e40be0f9db06ffd848d"
      "d2e5c38a7ec021e7f68c47dfd38cc354"
      "493d5339b4595a5bf31e3f8f13816807"
      "373df6ad0dc7e731e51ad19eb4754b13"
      "4485842fe709d378444d8e36b1724a4f"
      "da21cafee653ab80747f7952ee804dea"
      "b1039d84139945bbf4be82008753f3c5"
      "4c7821a1d241f42179c794ef7042bbf9"
      "955656222e45c34369a384697b6ae742"
      "e18fa5ca7abad27d9fe71052e3310d0f"
      "52c8d12ea33bf053a300f4afc4f098df"
      "4e6d886779d64594d369158fdbc1f694");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.8
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_8) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "df4044a89a83e9fcbf1262540ae3038b"
      "bc90f2b2628bf2a4467ac67722d8546b"
      "3a71cb0ea41669d5b4d61859c1b4e47c"
      "ecc5933f757ec86db0644e311812d00f"
      "b802f03400639c0e364dae5aebc5791b"
      "c655762361bc43c53d3c7886768f7968"
      "c1c544c6f79f7be820c7e2bd2f9d73e6"
      "2ded6d2e937e6a6daef90ee37a1a52a5"
      "4f00e31addd64894cf4c02e16099e29f"
      "9eb7f1a7bb7f84c47a2b594813be02a1"
      "7b7fc43b34c22c91925264126c89f86b"
      "b4d87f3ef131296c53a308e0331dac8b"
      "af3b63422266ecef2b90781535dbda41"
      "cbd0cf22a8cbfb532ec68fc6afb2ac06");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "1414b38567ae6d973ede4a06842dcc0e"
      "0559b19e65a4889bdbabd0fd02806829"
      "13bacd5dc2f01b30bb19eb810b7d9ded"
      "32b284f147bbe771c930c6052aa73413"
      "90a849f81da9cd11e5eccf246dbae95f"
      "a95828e9ae0ca3550325326deef9f495"
      "30ba441bed4ac29c029c9a2736b1a419"
      "0b85084ad150426b46d7f85bd702f48d"
      "ac5f71330bc423a766c65cc1dcab20d3"
      "d3bba72b63b3ef8244d42f157cb7e3a8"
      "ba5c05272c64cc1ad21a13493c3911f6"
      "0b4e9f4ecc9900eb056ee59d6fe4b8ff"
      "6e8048ccc0f38f2836fd3dfe91bf4a38"
      "6e1ecc2c32839f0ca4d1b27a568fa940"
      "dd64ad16bd0125d0348e383085f08894"
      "861ca18987227d37b42b584a8357cb04");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.9
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_9) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "ea941ff06f86c226927fcf0e3b11b087"
      "2676170c1bfc33bda8e265c77771f9d0"
      "850164a5eecbcc5ce827fbfa07c85214"
      "796d8127e8caa81894ea61ceb1449e72"
      "fea0a4c943b2da6d9b105fe053b9039a"
      "9cc53d420b7539fab2239c6b51d17e69"
      "4c957d4b0f0984461879a0759c4401be"
      "ecd4c606a0afbd7a076f50a2dfc2807f"
      "24f1919baa7746d3a64e268ed3f5f8e6"
      "da83a2a5c9152f837cb07812bd5ba7d3"
      "a07985de88113c1796e9b466ec299c5a"
      "c1059e27f09415");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "ceeb84ccb4e9099265650721eea0e8ec"
      "89ca25bd354d4f64564967be9d4b08b3"
      "f1c018539c9d371cf8961f2291fbe0dc"
      "2f2f95fea47b639f1e12f4bc381cef0c"
      "2b7a7b95c3adf27605b7f63998c3cbad"
      "542808c3822e064d4ad14093679e6e01"
      "418a6d5c059684cd56e34ed65ab605b8"
      "de4fcfa640474a54a8251bbb7326a42d"
      "08585cfcfc956769b15b6d7fdf7da84f"
      "81976eaa41d692380ff10eaecfe0a579"
      "682909b5521fade854d797b8a0345b9a"
      "864e0588f6caddbf65f177998e180d1f"
      "102443e6dca53a94823caa9c3b35f322"
      "583c703af67476159ec7ec93d1769b30"
      "0af0e7157dc298c6cd2dee2262f8cddc"
      "10f11e01741471bbfd6518a175734575");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.10
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_10) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "d8b81645c13cd7ecf5d00ed2c91b9acd"
      "46c15568e5303c4a9775ede76b48403d"
      "6be56c05b6b1cf77c6e75de096c5cb35"
      "51cb6fa964f3c879cf589d28e1da2f9d"
      "ec");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "2745074ca97175d992e2b44791c323c5"
      "7167165cdd8da579cdef4686b9bb404b"
      "d36a56504eb1fd770f60bfa188a7b24b"
      "0c91e881c24e35b04dc4dd4ce38566bc"
      "c9ce54f49a175fc9d0b22522d9579047"
      "f9ed42eca83f764a10163997947e7d2b"
      "52ff08980e7e7c2257937b23f3d279d4"
      "cd17d6f495546373d983d536efd7d1b6"
      "7181ca2cb50ac616c5c7abfbb9260b91"
      "b1a38e47242001ff452f8de10ca6eaea"
      "dcaf9edc28956f28a711291fc9a80878"
      "b8ba4cfe25b8281cb80bc9cd6d2bd182"
      "5246eebe252d9957ef93707352084e6d"
      "36d423551bf266a85340fb4a6af37088"
      "0aab07153d01f48d086df0bfbec05e7b"
      "443b97e71718970e2f4bf62023e95b67");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.11
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_11) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "e5739b6c14c92d510d95b826933337ff"
      "0d24ef721ac4ef64c2bad264be8b44ef"
      "a1516e08a27eb6b611d3301df0062dae"
      "fc73a8c0d92e2c521facbc7b26473876"
      "7ea6fc97d588a0baf6ce50adf79e600b"
      "d29e345fcb1dba71ac5c0289023fe4a8"
      "2b46a5407719197d2e958e3531fd54ae"
      "f903aabb4355f88318994ed3c3dd62f4"
      "20a7");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "be40a5fb94f113e1b3eff6b6a33986f2"
      "02e363f07483b792e68dfa5554df0466"
      "cc32150950783b4d968b639a04fd2fb9"
      "7f6eb967021f5adccb9fca95acc8f2cd"
      "885a380b0a4e82bc760764dbab88c1e6"
      "c0255caa94f232199d6f597cc9145b00"
      "e3d4ba346b559a8833ad1516ad5163f0"
      "16af6a59831c82ea13c8224d84d0765a"
      "9d12384da460a8531b4c407e04f4f350"
      "709eb9f08f5b220ffb45abf6b75d1579"
      "fd3f1eb55fc75b00af8ba3b087827fe9"
      "ae9fb4f6c5fa63031fe582852fe2834f"
      "9c89bff53e2552216bc7c1d4a3d5dc2b"
      "a6955cd9b17d1363e7fee8ed7629753f"
      "f3125edd48521ae3b9b03217f4496d0d"
      "8ede57acbc5bd4deae74a56f86671de2");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.12
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_12) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "7af42835917a88d6b3c6716ba2f5b0d5"
      "b20bd4e2e6e574e06af1eef7c81131be"
      "22bf8128b9cbc6ec00275ba80294a5d1"
      "172d0824a79e8fdd830183e4c00b9678"
      "2867b1227fea249aad32ffc5fe007bc5"
      "1f21792f728deda8b5708aa99cabab20"
      "a4aa783ed86f0f27b5d563f42e07158c"
      "ea72d097aa6887ec411dd012912a5e03"
      "2bbfa678507144bcc95f39b58be7bfd1"
      "759adb9a91fa1d6d8226a8343a8b849d"
      "ae76f7b98224d59e28f781f13ece605f"
      "84f6c90bae5f8cf378816f4020a7dda1"
      "bed90c92a23634d203fac3fcd86d68d3"
      "182a7d9ccabe7b0795f5c655e9acc4e3"
      "ec185140d10cef053464ab175c83bd83"
      "935e3dabaf3462eebe63d15f573d269a");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "4e78c5902b807914d12fa537ae6871c8"
      "6db8021e55d1adb8eb0ccf1b8f36ab7d"
      "ad1f682e947a627072f03e627371781d"
      "33221d174abe460dbd88560c22f69011"
      "6e2fbbe6e964363a3e5283bb5d946ef1"
      "c0047eba038c756c40be7923055809b0"
      "e9f34a03a58815ebdde767931f018f6f"
      "1878f2ef4f47dd374051dd48685ded6e"
      "fb3ea8021f44be1d7d149398f98ea9c0"
      "8d62888ebb56192d17747b6b8e170954"
      "31f125a8a8e9962aa31c285264e08fb2"
      "1aac336ce6c38aa375e42bc92ab0ab91"
      "038431e1f92c39d2af5ded7e43bc151e"
      "6ebea4c3e2583af3437e82c43c5e3b5b"
      "07cf0359683d2298e35948ed806c063c"
      "606ea178150b1efc15856934c7255cfe");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.13
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_13) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "ebaef3f9f23bdfe5fa6b8af4c208c189"
      "f2251bf32f5f137b9de4406378686b3f"
      "0721f62d24cb8688d6fc41a27cbae21d"
      "30e429feacc7111941c277");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "c48dbef507114f03c95fafbeb4df1bfa"
      "88e0184a33cc4f8a9a1035ff7f822a5e"
      "38cda18723915ff078244429e0f6081c"
      "14fd83331fa65c6ba7bb9a12dbf66223"
      "74cd0ca57de3774e2bd7ae823677d061"
      "d53ae9c4040d2da7ef7014f3bbdc95a3"
      "61a43855c8ce9b97ecabce174d926285"
      "142b534a3087f9f4ef74511ec742b0d5"
      "685603faf403b5072b985df46adf2d25"
      "29a02d40711e2190917052371b79b749"
      "b83abf0ae29486c3f2f62477b2bd362b"
      "039c013c0c5076ef520dbb405f42cee9"
      "5425c373a975e1cdd032c49622c85079"
      "b09e88dab2b13969ef7a723973781040"
      "459f57d5013638483de2d91cb3c490da"
      "81c46de6cd76ea8a0c8f6fe331712d24");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.14
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_14) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "c5a2711278761dfcdd4f0c99e6f5619d"
      "6c48b5d4c1a80982faa6b4cf1cf7a60f"
      "f327abef93c801429efde08640858146"
      "1056acc33f3d04f5ada21216cacd5fd1"
      "f9ed83203e0e2fe6138e3eae8424e591"
      "5a083f3f7ab76052c8be55ae882d6ec1"
      "482b1e45c5dae9f41015405327022ec3"
      "2f0ea2429763b255043b1958ee3cf6d6"
      "3983596eb385844f8528cc9a9865835d"
      "c5113c02b80d0fca68aa25e72bcaaeb3"
      "cf9d79d84f984fd417");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "6bd5257aa06611fb4660087cb4bc4a9e"
      "449159d31652bd980844daf3b1c7b353"
      "f8e56142f7ea9857433b18573b4deede"
      "818a93b0290297783f1a2f23cbc72797"
      "a672537f01f62484cd4162c3214b9ac6"
      "28224c5de01f32bb9b76b27354f2b151"
      "d0e8c4213e4615ad0bc71f515e300d6a"
      "64c6743411fffde8e5ff190e54923043"
      "126ecfc4c4539022668fb675f25c07e2"
      "0099ee315b98d6afec4b1a9a93dc3349"
      "6a15bd6fde1663a7d49b9f1e639d3866"
      "4b37a010b1f35e658682d9cd63e57de0"
      "f15e8bdd096558f07ec0caa218a8c06f"
      "4788453940287c9d34b6d40a3f09bf77"
      "99fe98ae4eb49f3ff41c5040a50cefc9"
      "bdf2394b749cf164480df1ab6880273b");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.15
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_15) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "9bf8aa253b872ea77a7e23476be26b23"
      "29578cf6ac9ea2805b357f6fc3ad130d"
      "baeb3d869a13cce7a808bbbbc969857e"
      "03945c7bb61df1b5c2589b8e046c2a5d"
      "7e4057b1a74f24c711216364288529ec"
      "9570f25197213be1f5c2e596f8bf8b2c"
      "f3cb38aa56ffe5e31df7395820e94ecf"
      "3b1189a965dcf9a9cb4298d3c88b2923"
      "c19fc6bc34aacecad4e0931a7c4e5d73"
      "dc86dfa798a8476d82463eefaa90a8a9"
      "192ab08b23088dd58e1280f7d72e4548"
      "396baac112252dd5c5346adb2004a2f7"
      "101ccc899cc7fafae8bbe295738896a5"
      "b2012285014ef6");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "27f7f4da9bd610106ef57d32383a448a"
      "8a6245c83dc1309c6d770d357ba89e73"
      "f2ad0832062eb0fe0ac915575bcd6b8b"
      "cadb4e2ba6fa9da73a59175152b2d4fe"
      "72b070c9b7379e50000e55e6c269f665"
      "8c937972797d3add69f130e34b85bdec"
      "9f3a9b392202d6f3e430d09caca82277"
      "59ab825f7012d2ff4b5b62c8504dbad8"
      "55c05edd5cab5a4cccdc67f01dd6517c"
      "7d41c43e2a4957aff19db6f18b17859a"
      "f0bc84ab67146ec1a4a60a17d7e05f8b"
      "4f9ced6ad10908d8d78f7fc88b76adc8"
      "290f87daf2a7be10ae408521395d54ed"
      "2556fb7661854a730ce3d82c71a8d493"
      "ec49a378ac8a3c74439f7cc555ba13f8"
      "59070890ee18ff658fa4d741969d70a5");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.16
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_16) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "32474830e2203754c8bf0681dc4f842a"
      "fe360930378616c108e833656e5640c8"
      "6856885bb05d1eb9438efede679263de"
      "07cb39553f6a25e006b0a52311a063ca"
      "088266d2564ff6490c46b5609818548f"
      "88764dad34a25e3a85d575023f0b9e66"
      "5048a03c350579a9d32446c7bb96cc92"
      "e065ab94d3c8952e8df68ef0d9fa456b"
      "3a06bb80e3bbc4b28e6a94b6d0ff7696"
      "a64efe05e735fea025d7bdbc4139f3a3"
      "b546075cba7efa947374d3f0ac80a68d"
      "765f5df6210bca069a2d88647af7ea04"
      "2dac690cb57378ec0777614fb8b65ff4"
      "53ca6b7dce6098451a2f8c0da9bfecf1"
      "fdf391bbaa4e2a91ca18a1121a7523a2"
      "abd42514f489e8");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "6917437257c22ccb5403290c3dee82d9"
      "cf7550b31bd31c51bd57bfd35d452ab4"
      "db7c4be6b2e25ac9a59a1d2a7feb627f"
      "0afd4976b3003cc9cffd8896505ec382"
      "f265104d4cf8c932fa9fe86e00870795"
      "9912389da4b2d6b369b36a5e72e29d24"
      "c9a98c9d31a3ab44e643e6941266a47a"
      "45e3446ce8776abe241a8f5fc6423b24"
      "b1ff250dc2c3a8172353561077e850a7"
      "69b25f0325dac88965a3b9b472c494e9"
      "5f719b4eac332caa7a65c7dfe46d9aa7"
      "e6e00f525f303dd63ab7919218901868"
      "f9337f8cd26aafe6f33b7fb2c98810af"
      "19f7fcb282ba1577912c1d368975fd5d"
      "440b86e10c199715fa0b6f4250b53373"
      "2d0befe1545150fc47b876de09b00a94");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.17
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_17) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "008e59505eafb550aae5e845584cebb0"
      "0b6de1733e9f95d42c882a5bbeb5ce1c"
      "57e119e7c0d4daca9f1ff7870217f7cf"
      "d8a6b373977cac9cab8e71e420");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "922503b673ee5f3e691e1ca85e9ff417"
      "3cf72b05ac2c131da5603593e3bc259c"
      "94c1f7d3a06a5b9891bf113fa39e59ff"
      "7c1ed6465e908049cb89e4e125cd37d2"
      "ffd9227a41b4a0a19c0a44fbbf3de55b"
      "ab802087a3bb8d4ff668ee6bbb8ad89e"
      "6857a79a9c72781990dfcf92cd519404"
      "c950f13d1143c3184f1d250c90e17ac6"
      "ce36163b9895627ad6ffec1422441f55"
      "e4499dba9be89546ae8bc63cca01dd08"
      "463ae7f1fce3d893996938778c1812e6"
      "74ad9c309c5acca3fde44e7dd8695993"
      "e9c1fa87acda99ece5c8499e468957ad"
      "66359bf12a51adbe78d3a213b449bf0b"
      "5f8d4d496acf03d3033b7ccd196bc22f"
      "68fb7bef4f697c5ea2b35062f48a36dd");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.18
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_18) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "6abc54cf8d1dff1f53b17d8160368878"
      "a8788cc6d22fa5c2258c88e660b09a89"
      "33f9f2c0504ddadc21f6e75e0b833beb"
      "555229dee656b9047b92f62e76b8ffcc"
      "60dab06b80");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "0b6daf42f7a862147e417493c2c401ef"
      "ae32636ab4cbd44192bbf5f195b50ae0"
      "96a475a1614f0a9fa8f7a026cb46c650"
      "6e518e33d83e56477a875aca8c7e714c"
      "e1bdbd61ef5d535239b33f2bfdd61771"
      "bab62776d78171a1423cea8731f82e60"
      "766d6454265620b15f5c5a584f55f95b"
      "802fe78c574ed5dacfc831f3cf2b0502"
      "c0b298f25ccf11f973b31f85e4744219"
      "85f3cff702df3946ef0a6605682111b2"
      "f55b1f8ab0d2ea3a683c69985ead93ed"
      "449ea48f0358ddf70802cb41de2fd83f"
      "3c808082d84936948e0c84a131b49278"
      "27460527bb5cd24bfab7b48e071b2417"
      "1930f99763272f9797bcb76f1d248157"
      "5558fcf260b1f0e554ebb3df3cfcb958");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.19
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_19) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "af2d78152cf10efe01d274f217b177f6"
      "b01b5e749f1567715da324859cd3dd88"
      "db848ec79f48dbba7b6f1d33111ef31b"
      "64899e7391c2bffd69f49025cf201fc5"
      "85dbd1542c1c778a2ce7a7ee108a309f"
      "eca26d133a5ffedc4e869dcd7656596a"
      "c8427ea3ef6e3fd78fe99d8ddc71d839"
      "f6786e0da6e786bd62b3a4f19b891a56"
      "157a554ec2a2b39e25a1d7c7d37321c7"
      "a1d946cf4fbe758d9276f08563449d67"
      "414a2c030f4251cfe2213d04a5410637"
      "87");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "209c61157857387b71e24bf3dd564145"
      "50503bec180ff53bdd9bac062a2d4995"
      "09bf991281b79527df9136615b7a6d9d"
      "b3a103b535e0202a2caca197a7b74e53"
      "56f3dd595b49acfd9d30049a98ca88f6"
      "25bca1d5f22a392d8a749efb6eed9b78"
      "21d3110ac0d244199ecb4aa3d735a83a"
      "2e8893c6bf8581383ccaee834635b7fa"
      "1faffa45b13d15c1da33af71e89303d6"
      "8090ff62ee615fdf5a84d120711da53c"
      "2889198ab38317a9734ab27d67924cea"
      "74156ff99bef9876bb5c339e93745283"
      "e1b34e072226b88045e017e9f05b2a8c"
      "416740258e223b2690027491732273f3"
      "229d9ef2b1b3807e321018920ad3e53d"
      "ae47e6d9395c184b93a374c671faa2ce");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

// # PKCS#1 v1.5 Signature Example 15.20
TEST_F(OEMCryptoCastReceiverTest, TestSignaturePKCS1_15_20) {
  BuildRSAKey();
  LoadCastCertificateKey(true);
  vector<uint8_t> message = wvutil::a2b_hex(
      "40ee992458d6f61486d25676a96dd2cb"
      "93a37f04b178482f2b186cf88215270d"
      "ba29d786d774b0c5e78c7f6e56a956e7"
      "f73950a2b0c0c10a08dbcd67e5b210bb"
      "21c58e2767d44f7dd4014e3966143bf7"
      "e3d66ff0c09be4c55f93b39994b8518d"
      "9c1d76d5b47374dea08f157d57d70634"
      "978f3856e0e5b481afbbdb5a3ac48d48"
      "4be92c93de229178354c2de526e9c65a"
      "31ede1ef68cb6398d7911684fec0babc"
      "3a781a66660783506974d0e14825101c"
      "3bfaea");
  vector<uint8_t> signature = wvutil::a2b_hex(
      "927502b824afc42513ca6570de338b8a"
      "64c3a85eb828d3193624f27e8b1029c5"
      "5c119c9733b18f5849b3500918bcc005"
      "51d9a8fdf53a97749fa8dc480d6fe974"
      "2a5871f973926528972a1af49e3925b0"
      "adf14a842719b4a5a2d89fa9c0b6605d"
      "212bed1e6723b93406ad30e86829a5c7"
      "19b890b389306dc5506486ee2f36a8df"
      "e0a96af678c9cbd6aff397ca200e3edc"
      "1e36bd2f08b31d540c0cb282a9559e4a"
      "dd4fc9e6492eed0ccbd3a6982e5faa2d"
      "dd17be47417c80b4e5452d31f72401a0"
      "42325109544d954c01939079d409a5c3"
      "78d7512dfc2d2a71efcc3432a765d1c6"
      "a52cfce899cd79b15b4fc3723641ef6b"
      "d00acc10407e5df58dd1c3c5c559a506");
  TestSignature(kSign_PKCS1_Block1, message, signature);
}

TEST_P(OEMCryptoSessionTestLoadCasKeysWithHDCP, CasOnlyLoadCasKeysAPI17) {
  if (wvoec::global_features.api_version < 17) {
    GTEST_SKIP() << "Test for versions 17 and up only.";
  }
  if (!global_features.supports_cas) {
    GTEST_SKIP() << "OEMCrypto does not support CAS";
  }
  // Test parameterized by HDCP version.
  LoadCasKeysWithHDCP(static_cast<OEMCrypto_HDCP_Capability>(GetParam()));
}
INSTANTIATE_TEST_SUITE_P(TestHDCP, OEMCryptoSessionTestLoadCasKeysWithHDCP,
                         Range(1, 6));

/// @}
}  // namespace wvoec