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Code Issues Releases Wiki Activity

reset: make backup workflow independent of initialization

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This commit is contained in:
Pavol Rusnak 2017-06-26 19:17:40 +02:00
parent 91a1b6c4bc
commit 9298e4d9e3
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GPG Key ID: 91F3B339B9A02A3D
6 changed files with 46 additions and 10 deletions
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11
firmware/fsm.c
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@ -442,10 +442,19 @@ void fsm_msgResetDevice(ResetDevice *msg)
msg->has_pin_protection && msg->pin_protection,
msg->has_language ? msg->language : 0,
msg->has_label ? msg->label : 0,
msg->has_u2f_counter ? msg->u2f_counter : 0
msg->has_u2f_counter ? msg->u2f_counter : 0,
msg->has_skip_backup ? msg->skip_backup : false
);
}
void fsm_msgBackupDevice(BackupDevice *msg)
{
CHECK_INITIALIZED
(void)msg;
reset_backup();
}
void fsm_msgSignTx(SignTx *msg)
{
CHECK_INITIALIZED

1
firmware/fsm.h
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@ -36,6 +36,7 @@ void fsm_msgGetEntropy(GetEntropy *msg);
void fsm_msgGetPublicKey(GetPublicKey *msg);
void fsm_msgLoadDevice(LoadDevice *msg);
void fsm_msgResetDevice(ResetDevice *msg);
void fsm_msgBackupDevice(BackupDevice *msg);
void fsm_msgSignTx(SignTx *msg);
//void fsm_msgPinMatrixAck(PinMatrixAck *msg);
void fsm_msgCancel(Cancel *msg);

1
firmware/protob/messages_map.h
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@ -22,6 +22,7 @@
{ 'n', 'i', MessageType_MessageType_ApplySettings, ApplySettings_fields, (void (*)(void *)) fsm_msgApplySettings },
// Message ButtonAck is used in tiny mode
{ 'n', 'i', MessageType_MessageType_GetAddress, GetAddress_fields, (void (*)(void *)) fsm_msgGetAddress },
{ 'n', 'i', MessageType_MessageType_BackupDevice, BackupDevice_fields, (void (*)(void *)) fsm_msgBackupDevice },
{ 'n', 'i', MessageType_MessageType_EntropyAck, EntropyAck_fields, (void (*)(void *)) fsm_msgEntropyAck },
{ 'n', 'i', MessageType_MessageType_SignMessage, SignMessage_fields, (void (*)(void *)) fsm_msgSignMessage },
{ 'n', 'i', MessageType_MessageType_VerifyMessage, VerifyMessage_fields, (void (*)(void *)) fsm_msgVerifyMessage },

2
firmware/recovery.c
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@ -179,7 +179,7 @@ static void recovery_done(void) {
_("The seed is"), _("INVALID!"), NULL, NULL, NULL, NULL);
protectButton(ButtonRequestType_ButtonRequest_Other, true);
}
fsm_sendFailure(FailureType_Failure_DataError, _("Invalid mnemonic, are words in correct order?"));
fsm_sendFailure(FailureType_Failure_DataError, _("Invalid seed, are words in correct order?"));
}
awaiting_word = 0;
layoutHome();

38
firmware/reset.c
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@ -33,12 +33,14 @@
static uint32_t strength;
static uint8_t int_entropy[32];
static bool awaiting_entropy = false;
static bool skip_backup = false;
void reset_init(bool display_random, uint32_t _strength, bool passphrase_protection, bool pin_protection, const char *language, const char *label, uint32_t u2f_counter)
void reset_init(bool display_random, uint32_t _strength, bool passphrase_protection, bool pin_protection, const char *language, const char *label, uint32_t u2f_counter, bool _skip_backup)
{
if (_strength != 128 && _strength != 192 && _strength != 256) return;
strength = _strength;
skip_backup = _skip_backup;
random_buffer(int_entropy, 32);
@ -75,8 +77,6 @@ void reset_init(bool display_random, uint32_t _strength, bool passphrase_protect
awaiting_entropy = true;
}
static char current_word[10], current_word_display[11];
void reset_entropy(const uint8_t *ext_entropy, uint32_t len)
{
if (!awaiting_entropy) {
@ -92,6 +92,33 @@ void reset_entropy(const uint8_t *ext_entropy, uint32_t len)
memset(int_entropy, 0, 32);
awaiting_entropy = false;
storage.has_mnemonic = true;
storage.has_needs_backup = true;
storage.needs_backup = true;
if (skip_backup) {
storage_commit();
fsm_sendSuccess(_("Device successfully initialized"));
layoutHome();
} else {
reset_backup();
}
}
static char current_word[10], current_word_display[11];
void reset_backup(void)
{
if (!storage.has_needs_backup || !storage.needs_backup) {
fsm_sendFailure(FailureType_Failure_UnexpectedMessage, _("Seed already backed up"));
return;
} else {
storage.has_needs_backup = false;
storage.needs_backup = false;
storage_commit();
}
int pass, word_pos, i = 0, j;
for (pass = 0; pass < 2; pass++) {
@ -146,10 +173,7 @@ void reset_entropy(const uint8_t *ext_entropy, uint32_t len)
}
}
}
storage.has_mnemonic = true;
storage_commit();
fsm_sendSuccess(_("Device reset"));
fsm_sendSuccess(_("Seed successfully backed up"));
layoutHome();
}

3
firmware/reset.h
View File

@ -23,8 +23,9 @@
#include <stdint.h>
#include <stdbool.h>
void reset_init(bool display_random, uint32_t _strength, bool passphrase_protection, bool pin_protection, const char *language, const char *label, uint32_t u2f_counter);
void reset_init(bool display_random, uint32_t _strength, bool passphrase_protection, bool pin_protection, const char *language, const char *label, uint32_t u2f_counter, bool skip_backup);
void reset_entropy(const uint8_t *ext_entropy, uint32_t len);
void reset_backup(void);
uint32_t reset_get_int_entropy(uint8_t *entropy);
const char *reset_get_word(void);