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Code Issues Releases Wiki Activity

legacy: return root_fingerprint in PublicKey

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This commit is contained in:
Pavol Rusnak 2020-12-29 17:59:10 +01:00
parent 5e58835d18
commit 4d45a68fd0
1 changed files with 12 additions and 2 deletions
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12
legacy/firmware/fsm_msg_coin.h
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@ -34,8 +34,15 @@ void fsm_msgGetPublicKey(const GetPublicKey *msg) {
if (msg->has_ecdsa_curve_name) { if (msg->has_ecdsa_curve_name) {
curve = msg->ecdsa_curve_name; curve = msg->ecdsa_curve_name;
} }
// derive m/0' to obtain root_fingerprint
uint32_t root_fingerprint;
uint32_t path[1] = {0x80000000 | 0};
HDNode *node = fsm_getDerivedNode(curve, path, 1, &root_fingerprint);
if (!node) return;
uint32_t fingerprint; uint32_t fingerprint;
HDNode *node = fsm_getDerivedNode(curve, msg->address_n, msg->address_n_count, node = fsm_getDerivedNode(curve, msg->address_n, msg->address_n_count,
&fingerprint); &fingerprint);
if (!node) return; if (!node) return;
hdnode_fill_public_key(node); hdnode_fill_public_key(node);
@ -96,6 +103,9 @@ void fsm_msgGetPublicKey(const GetPublicKey *msg) {
} }
} }
resp->has_root_fingerprint = true;
resp->root_fingerprint = root_fingerprint;
msg_write(MessageType_MessageType_PublicKey, resp); msg_write(MessageType_MessageType_PublicKey, resp);
layoutHome(); layoutHome();
} }