1 files changed, 14 insertions, 5 deletions

diff --git a/src/device/device_ledger.cpp b/src/device/device_ledger.cpp
index 384b776ee..5caad3a1a 100644
--- a/src/device/device_ledger.cpp
+++ b/src/device/device_ledger.cpp
@@ -518,9 +518,7 @@ namespace hw {
     }
 
     bool device_ledger::init(void) {
-      #ifdef DEBUG_HWDEVICE
       this->controle_device = &hw::get_device("default");
-      #endif
       this->release();
       hw_device.init();      
       MDEBUG( "Device "<<this->id <<" HIDUSB inited");
@@ -686,7 +684,6 @@ namespace hw {
     /* ======================================================================= */
 
     bool device_ledger::derive_subaddress_public_key(const crypto::public_key &pub, const crypto::key_derivation &derivation, const std::size_t output_index, crypto::public_key &derived_pub){
-        AUTO_LOCK_CMD();
         #ifdef DEBUG_HWDEVICE
         const crypto::public_key pub_x = pub;
         crypto::key_derivation derivation_x;
@@ -710,7 +707,7 @@ namespace hw {
         MDEBUG( "derive_subaddress_public_key  : PARSE mode with known viewkey");     
         crypto::derive_subaddress_public_key(pub, derivation, output_index,derived_pub);
       } else {
-       
+        AUTO_LOCK_CMD();
         int offset = set_command_header_noopt(INS_DERIVE_SUBADDRESS_PUBLIC_KEY);
         //pub
         memmove(this->buffer_send+offset, pub.data, 32);
@@ -739,6 +736,12 @@ namespace hw {
     }
 
     crypto::public_key device_ledger::get_subaddress_spend_public_key(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index) {
+        if (has_view_key) {
+            cryptonote::account_keys keys_{keys};
+            keys_.m_view_secret_key = this->viewkey;
+            return this->controle_device->get_subaddress_spend_public_key(keys_, index);
+        }
+
         AUTO_LOCK_CMD();
         crypto::public_key D;
 
@@ -790,6 +793,12 @@ namespace hw {
     }
 
     cryptonote::account_public_address device_ledger::get_subaddress(const cryptonote::account_keys& keys, const cryptonote::subaddress_index &index) {
+        if (has_view_key) {
+            cryptonote::account_keys keys_{keys};
+            keys_.m_view_secret_key = this->viewkey;
+            return this->controle_device->get_subaddress(keys_, index);
+        }
+
         AUTO_LOCK_CMD();
         cryptonote::account_public_address address;
 
@@ -1038,7 +1047,6 @@ namespace hw {
     }
 
     bool device_ledger::generate_key_derivation(const crypto::public_key &pub, const crypto::secret_key &sec, crypto::key_derivation &derivation) {
-        AUTO_LOCK_CMD();
         bool r = false;
 
         #ifdef DEBUG_HWDEVICE
@@ -1059,6 +1067,7 @@ namespace hw {
         assert(is_fake_view_key(sec));
         r = crypto::generate_key_derivation(pub, this->viewkey, derivation);
       } else {
+        AUTO_LOCK_CMD();
         int offset = set_command_header_noopt(INS_GEN_KEY_DERIVATION);
         //pub
         memmove(this->buffer_send+offset, pub.data, 32);