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config: Use efficient implementation of U2F counter from trezor-storage.

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andrew 2019-02-08 20:56:39 +01:00 committed by Pavol Rusnak
parent 3c05a2da12
commit faa0664b62
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2 changed files with 7 additions and 10 deletions
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15
firmware/config.c
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@ -51,6 +51,7 @@ static const uint32_t CONFIG_MAGIC_V10 = 0x726f7473; // 'stor' as uint32_t
#define APP 0x0100
#define FLAG_PUBLIC 0x8000
#define FLAGS_WRITE 0xC000
static const uint16_t KEY_UUID = 0 | APP | FLAG_PUBLIC; // bytes(12)
static const uint16_t KEY_VERSION = 1 | APP; // uint32
@ -61,7 +62,7 @@ static const uint16_t KEY_PASSPHRASE_PROTECTION = 5 | APP; // boo
static const uint16_t KEY_HOMESCREEN = 6 | APP | FLAG_PUBLIC; // bytes(1024)
static const uint16_t KEY_NEEDS_BACKUP = 7 | APP; // bool
static const uint16_t KEY_FLAGS = 8 | APP; // uint32
static const uint16_t KEY_U2F_COUNTER = 9 | APP | FLAG_PUBLIC; // uint32
static const uint16_t KEY_U2F_COUNTER = 9 | APP | FLAGS_WRITE; // uint32
static const uint16_t KEY_UNFINISHED_BACKUP = 11 | APP; // bool
static const uint16_t KEY_AUTO_LOCK_DELAY_MS = 12 | APP; // uint32
static const uint16_t KEY_NO_BACKUP = 13 | APP; // bool
@ -837,18 +838,14 @@ bool config_getFlags(uint32_t *flags)
uint32_t config_nextU2FCounter(void)
{
// TODO Implement efficient version.
uint32_t counter = 0;
uint16_t len = 0;
storage_get(KEY_U2F_COUNTER, &counter, sizeof(counter), &len);
counter++;
storage_set(KEY_U2F_COUNTER, &counter, sizeof(counter));
return counter;
uint32_t u2fcounter = 0;
storage_next_counter(KEY_U2F_COUNTER, &u2fcounter);
return u2fcounter;
}
void config_setU2FCounter(uint32_t u2fcounter)
{
storage_set(KEY_U2F_COUNTER, &u2fcounter, sizeof(u2fcounter));
storage_set_counter(KEY_U2F_COUNTER, u2fcounter);
}
uint32_t config_getAutoLockDelayMs()

2
vendor/trezor-storage vendored

@ -1 +1 @@
Subproject commit 0497802014edf03cdcce8cb70889d5a6e0bd3361
Subproject commit 5c2765740db064c99fe54cbae79f74a3d767973c