text: /*
  * (C) 2016 Jack Lloyd
  *
  * Botan is released under the Simplified BSD License (see license.txt)
  */
  
  #include "tests.h"
  
  #if defined(BOTAN_HAS_TPM)
     #include <botan/tpm.h>
     #include <botan/uuid.h>
  #endif
  
  namespace Botan_Tests {
  
  #if defined(BOTAN_HAS_TPM)
  
  class TPM_Tests final : public Test
     {
     public:
  
        static std::string pin_cb(const std::string&)
           {
           return "123456";
           }
  
        std::vector<Test::Result> run() override
           {
           Test::Result result("TPM");
  
           std::unique_ptr<Botan::TPM_Context> ctx;
  
           try
              {
              ctx.reset(new Botan::TPM_Context(pin_cb, nullptr));
              result.test_success("Created TPM context");
              }
           catch(Botan::TPM_Error& e)
              {
              result.test_success("Error conecting to TPM, skipping tests");
              return {result};
              }
  
           try
              {
              result.test_note("TPM counter is " + std::to_string(ctx->current_counter()));
  
              Botan::TPM_RNG rng(*ctx);
              Botan::secure_vector<uint8_t> output = rng.random_vec(16);
  
              result.test_ne("TPM RNG output not all zeros", output, std::vector<uint8_t>(16));
  
              Botan::TPM_PrivateKey key(*ctx, 1024, nullptr);
              result.test_success("Created TPM RSA key");
  
              std::vector<uint8_t> blob = key.export_blob();
  
              // Has to be at least as large as the key
              result.test_gte("Blob size is reasonable", blob.size(), 1024 / 8);
  
              std::vector<std::string> registered_keys = Botan::TPM_PrivateKey::registered_keys(*ctx);
  
              for(auto url : registered_keys)
                 {
                 result.test_note("TPM registered key " + url);
                 }
  
              // TODO export public key
              // TODO generate a signature, verify it
              // TODO test key registration mechanisms
              }
           catch(Botan::Exception& e)
              {
              result.test_failure("TPM problem", e.what());
              }
  
           return {result};
           }
  
     };
  
  BOTAN_REGISTER_TEST("tpm", "tpm", TPM_Tests);
  
  class UUID_Tests final : public Test
     {
     public:
        std::vector<Test::Result> run() override
           {
           Test::Result result("UUID");
  
           const Botan::UUID empty_uuid;
  
           result.test_eq("Uninitialized UUID not valid", empty_uuid.is_valid(), false);
  
           const Botan::UUID random_uuid(Test::rng());
           result.test_eq("Random UUID is valid", empty_uuid.is_valid(), false);
  
           const Botan::UUID binary_copy(random_uuid.binary_value());
           result.confirm("UUID copied by binary equals original", random_uuid == binary_copy);
  
           std::string uuid_str = random_uuid.to_string();
           result.test_eq("UUID string in expected format", uuid_str.size(), 36);
  
           const Botan::UUID string_copy(random_uuid.to_string());
           result.confirm("UUID copied by string equals original", random_uuid == string_copy);
  
           return {result};
           }
     };
  
  BOTAN_REGISTER_TEST("tpm", "tpm_uuid", UUID_Tests);
  
  #endif
  
  }
  