From 097d6caf63c0e24382e82d4045d6c866f31342a4 Mon Sep 17 00:00:00 2001
From: Matt Witherspoon <32485495+spoonincode@users.noreply.github.com>
Date: Mon, 29 Aug 2022 14:00:51 -0400
Subject: [PATCH] remove nonworking Secure Enclave support from
 signature_provider_plugin

---
 .../signature_provider_plugin/CMakeLists.txt  |  3 --
 .../signature_provider_plugin.cpp             | 28 -------------------
 2 files changed, 31 deletions(-)

diff --git a/plugins/signature_provider_plugin/CMakeLists.txt b/plugins/signature_provider_plugin/CMakeLists.txt
index 71447d6b2b..74815f2bfe 100644
--- a/plugins/signature_provider_plugin/CMakeLists.txt
+++ b/plugins/signature_provider_plugin/CMakeLists.txt
@@ -5,6 +5,3 @@ add_library( signature_provider_plugin
 
 target_link_libraries( signature_provider_plugin appbase fc http_client_plugin )
 target_include_directories( signature_provider_plugin PUBLIC include )
-if(APPLE)
-   target_link_libraries( signature_provider_plugin se-helpers )
-endif()
diff --git a/plugins/signature_provider_plugin/signature_provider_plugin.cpp b/plugins/signature_provider_plugin/signature_provider_plugin.cpp
index 7dfa3dab64..8b279af81f 100644
--- a/plugins/signature_provider_plugin/signature_provider_plugin.cpp
+++ b/plugins/signature_provider_plugin/signature_provider_plugin.cpp
@@ -6,10 +6,6 @@
 
 #include <boost/algorithm/string.hpp>
 
-#ifdef __APPLE__
-#include <eosio/se-helpers/se-helpers.hpp>
-#endif
-
 namespace eosio {
    static appbase::abstract_plugin& _signature_provider_plugin = app().register_plugin<signature_provider_plugin>();
 
@@ -24,23 +20,6 @@ class signature_provider_plugin_impl {
          };
       }
 
-#ifdef __APPLE__
-      signature_provider_plugin::signature_provider_type
-      make_se_signature_provider(const chain::public_key_type pubkey) const {
-         EOS_ASSERT(secure_enclave::hardware_supports_secure_enclave(), chain::secure_enclave_exception, "Secure Enclave not supported on this hardware");
-         EOS_ASSERT(secure_enclave::application_signed(), chain::secure_enclave_exception, "Application is not signed, Secure Enclave use not supported");
-
-         std::set<secure_enclave::secure_enclave_key> allkeys = secure_enclave::get_all_keys();
-         for(const auto& se_key : secure_enclave::get_all_keys())
-            if(se_key.public_key() == pubkey)
-               return [se_key](const chain::digest_type& digest) {
-                  return se_key.sign(digest);
-               };
-
-         EOS_THROW(chain::secure_enclave_exception, "${k} not found in Secure Enclave", ("k", pubkey));
-      }
-#endif
-
       signature_provider_plugin::signature_provider_type
       make_keosd_signature_provider(const string& url_str, const chain::public_key_type pubkey) const {
          fc::url keosd_url;
@@ -78,9 +57,6 @@ const char* const signature_provider_plugin::signature_provider_help_text() cons
           "   <provider-type> \tis KEY, KEOSD, or SE\n\n"
           "   KEY:<data>      \tis a string form of a valid EOSIO private key which maps to the provided public key\n\n"
           "   KEOSD:<data>    \tis the URL where keosd is available and the approptiate wallet(s) are unlocked\n\n"
-#ifdef __APPLE__
-          "   SE:             \tindicates the key resides in Secure Enclave"
-#endif
           ;
 
 }
@@ -110,10 +86,6 @@ signature_provider_plugin::signature_provider_for_specification(const std::strin
    }
    else if(spec_type_str == "KEOSD")
       return std::make_pair(pubkey, my->make_keosd_signature_provider(spec_data, pubkey));
-#ifdef __APPLE__
-   else if(spec_type_str == "SE")
-      return std::make_pair(pubkey, my->make_se_signature_provider(pubkey));
-#endif
    EOS_THROW(chain::plugin_config_exception, "Unsupported key provider type \"${t}\"", ("t", spec_type_str));
 }