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u2f: avoid using hdnode_private_ckd_cached in order not to constantly invalidate cache

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Pavol Rusnak 2017-12-13 18:04:22 +01:00
parent 106642bd44
commit 2c63d51580
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GPG Key ID: 91F3B339B9A02A3D
1 changed files with 6 additions and 4 deletions
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firmware/u2f.c
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@ -458,11 +458,13 @@ static const HDNode *getDerivedNode(uint32_t *address_n, size_t address_n_count)
if (!address_n || address_n_count == 0) { if (!address_n || address_n_count == 0) {
return &node; return &node;
} }
if (hdnode_private_ckd_cached(&node, address_n, address_n_count, NULL) == 0) { for (size_t i = 0; i < address_n_count; i++) {
if (hdnode_private_ckd(&node, address_n[i]) == 0) {
layoutHome(); layoutHome();
debugLog(0, "", "ERR: Derive private failed"); debugLog(0, "", "ERR: Derive private failed");
return 0; return 0;
} }
}
return &node; return &node;
} }