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Diffstat (limited to 'src/device/device_ledger.cpp')
-rw-r--r--src/device/device_ledger.cpp75
1 files changed, 71 insertions, 4 deletions
diff --git a/src/device/device_ledger.cpp b/src/device/device_ledger.cpp
index aa73e998c..8069c074e 100644
--- a/src/device/device_ledger.cpp
+++ b/src/device/device_ledger.cpp
@@ -266,6 +266,7 @@ namespace hw {
#define INS_DERIVE_PUBLIC_KEY 0x36
#define INS_DERIVE_SECRET_KEY 0x38
#define INS_GEN_KEY_IMAGE 0x3A
+ #define INS_DERIVE_VIEW_TAG 0x3B
#define INS_SECRET_KEY_ADD 0x3C
#define INS_SECRET_KEY_SUB 0x3E
#define INS_GENERATE_KEYPAIR 0x40
@@ -1308,6 +1309,54 @@ namespace hw {
return true;
}
+ bool device_ledger::derive_view_tag(const crypto::key_derivation &derivation, const std::size_t output_index, crypto::view_tag &view_tag){
+ #ifdef DEBUG_HWDEVICE
+ crypto::key_derivation derivation_x;
+ if ((this->mode == TRANSACTION_PARSE) && has_view_key) {
+ derivation_x = derivation;
+ } else {
+ derivation_x = hw::ledger::decrypt(derivation);
+ }
+ const std::size_t output_index_x = output_index;
+ crypto::view_tag view_tag_x;
+ log_hexbuffer("derive_view_tag: [[IN]] derivation ", derivation_x.data, 32);
+ log_message ("derive_view_tag: [[IN]] output_index", std::to_string(output_index_x));
+ this->controle_device->derive_view_tag(derivation_x, output_index_x, view_tag_x);
+ log_hexbuffer("derive_view_tag: [[OUT]] view_tag ", &view_tag_x.data, 1);
+ #endif
+
+ if ((this->mode == TRANSACTION_PARSE) && has_view_key) {
+ //If we are in TRANSACTION_PARSE, the given derivation has been retrieved uncrypted (wihtout the help
+ //of the device), so continue that way.
+ MDEBUG( "derive_view_tag : PARSE mode with known viewkey");
+ crypto::derive_view_tag(derivation, output_index, view_tag);
+ } else {
+ AUTO_LOCK_CMD();
+ int offset = set_command_header_noopt(INS_DERIVE_VIEW_TAG);
+ //derivation
+ this->send_secret((unsigned char*)derivation.data, offset);
+ //index
+ this->buffer_send[offset+0] = output_index>>24;
+ this->buffer_send[offset+1] = output_index>>16;
+ this->buffer_send[offset+2] = output_index>>8;
+ this->buffer_send[offset+3] = output_index>>0;
+ offset += 4;
+
+ this->buffer_send[4] = offset-5;
+ this->length_send = offset;
+ this->exchange();
+
+ //view tag
+ memmove(&view_tag.data, &this->buffer_recv[0], 1);
+ }
+
+ #ifdef DEBUG_HWDEVICE
+ hw::ledger::check1("derive_view_tag", "view_tag", &view_tag_x.data, &view_tag.data);
+ #endif
+
+ return true;
+ }
+
/* ======================================================================= */
/* TRANSACTION */
/* ======================================================================= */
@@ -1548,7 +1597,6 @@ namespace hw {
const size_t output_index_x = output_index;
const bool need_additional_txkeys_x = need_additional_txkeys;
const bool use_view_tags_x = use_view_tags;
- const crypto::view_tag view_tag_x = view_tag;
std::vector<crypto::secret_key> additional_tx_keys_x;
for (const auto &k: additional_tx_keys) {
@@ -1558,6 +1606,7 @@ namespace hw {
std::vector<crypto::public_key> additional_tx_public_keys_x;
std::vector<rct::key> amount_keys_x;
crypto::public_key out_eph_public_key_x;
+ crypto::view_tag view_tag_x;
log_message ("generate_output_ephemeral_keys: [[IN]] tx_version", std::to_string(tx_version_x));
//log_hexbuffer("generate_output_ephemeral_keys: [[IN]] sender_account_keys.view", sender_account_keys.m_sview_secret_key.data, 32);
@@ -1575,11 +1624,15 @@ namespace hw {
if(need_additional_txkeys_x) {
log_hexbuffer("generate_output_ephemeral_keys: [[IN]] additional_tx_keys[oi]", additional_tx_keys_x[output_index].data, 32);
}
+ log_message ("generate_output_ephemeral_keys: [[IN]] use_view_tags", std::to_string(use_view_tags_x));
this->controle_device->generate_output_ephemeral_keys(tx_version_x, sender_account_keys_x, txkey_pub_x, tx_key_x, dst_entr_x, change_addr_x, output_index_x, need_additional_txkeys_x, additional_tx_keys_x,
additional_tx_public_keys_x, amount_keys_x, out_eph_public_key_x, use_view_tags_x, view_tag_x);
if(need_additional_txkeys_x) {
log_hexbuffer("additional_tx_public_keys_x: [[OUT]] additional_tx_public_keys_x", additional_tx_public_keys_x.back().data, 32);
}
+ if(use_view_tags_x) {
+ log_hexbuffer("generate_output_ephemeral_keys: [[OUT]] view_tag", &view_tag_x.data, 1);
+ }
log_hexbuffer("generate_output_ephemeral_keys: [[OUT]] amount_keys ", (char*)amount_keys_x.back().bytes, 32);
log_hexbuffer("generate_output_ephemeral_keys: [[OUT]] out_eph_public_key ", out_eph_public_key_x.data, 32);
#endif
@@ -1633,6 +1686,9 @@ namespace hw {
memset(&this->buffer_send[offset], 0, 32);
offset += 32;
}
+ //use_view_tags
+ this->buffer_send[offset] = use_view_tags;
+ offset++;
this->buffer_send[4] = offset-5;
this->length_send = offset;
@@ -1663,6 +1719,14 @@ namespace hw {
recv_len -= 32;
}
+ if (use_view_tags)
+ {
+ ASSERT_X(recv_len>=1, "Not enough data from device");
+ memmove(&view_tag.data, &this->buffer_recv[offset], 1);
+ offset++;
+ recv_len -= 1;
+ }
+
// add ABPkeys
this->add_output_key_mapping(dst_entr.addr.m_view_public_key, dst_entr.addr.m_spend_public_key, dst_entr.is_subaddress, is_change,
need_additional_txkeys, output_index,
@@ -1675,6 +1739,9 @@ namespace hw {
hw::ledger::check32("generate_output_ephemeral_keys", "additional_tx_key", additional_tx_public_keys_x.back().data, additional_tx_public_keys.back().data);
}
hw::ledger::check32("generate_output_ephemeral_keys", "out_eph_public_key", out_eph_public_key_x.data, out_eph_public_key.data);
+ if (use_view_tags) {
+ hw::ledger::check1("generate_output_ephemeral_keys", "view_tag", &view_tag_x.data, &view_tag.data);
+ }
#endif
return true;
@@ -1860,7 +1927,7 @@ namespace hw {
// ====== Aout, Bout, AKout, C, v, k ======
kv_offset = data_offset;
- if (type==rct::RCTTypeBulletproof2 || type==rct::RCTTypeCLSAG) {
+ if (type==rct::RCTTypeBulletproof2 || type==rct::RCTTypeCLSAG || type==rct::RCTTypeBulletproofPlus) {
C_offset = kv_offset+ (8)*outputs_size;
} else {
C_offset = kv_offset+ (32+32)*outputs_size;
@@ -1877,7 +1944,7 @@ namespace hw {
offset = set_command_header(INS_VALIDATE, 0x02, i+1);
//options
this->buffer_send[offset] = (i==outputs_size-1)? 0x00:0x80 ;
- this->buffer_send[offset] |= (type==rct::RCTTypeBulletproof2 || type==rct::RCTTypeCLSAG)?0x02:0x00;
+ this->buffer_send[offset] |= (type==rct::RCTTypeBulletproof2 || type==rct::RCTTypeCLSAG || type==rct::RCTTypeBulletproofPlus)?0x02:0x00;
offset += 1;
//is_subaddress
this->buffer_send[offset] = outKeys.is_subaddress;
@@ -1898,7 +1965,7 @@ namespace hw {
memmove(this->buffer_send+offset, data+C_offset,32);
offset += 32;
C_offset += 32;
- if (type==rct::RCTTypeBulletproof2 || type==rct::RCTTypeCLSAG) {
+ if (type==rct::RCTTypeBulletproof2 || type==rct::RCTTypeCLSAG || type==rct::RCTTypeBulletproofPlus) {
//k
memset(this->buffer_send+offset, 0, 32);
offset += 32;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-25 06:06:44 +0000