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[clean] Cleaning deprecated SDK functions
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lpascal-ledger committed Jul 26, 2023
1 parent 241cadc commit e5f75ba
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Showing 2 changed files with 13 additions and 7 deletions.
9 changes: 6 additions & 3 deletions src/nano/nanos_enter_phrase.c
Original file line number Diff line number Diff line change
Expand Up @@ -229,14 +229,17 @@ void compare_recovery_phrase(void) {
cx_hmac_sha512_t ctx;
const char key[] = "Bitcoin seed";

cx_hmac_sha512_init(&ctx, (const uint8_t*) key, strlen(key));
cx_hmac((cx_hmac_t*) &ctx, CX_LAST, buffer, 64, buffer, 64);
cx_hmac_sha512_init_no_throw(&ctx, (const uint8_t*) key, strlen(key));
cx_hmac_no_throw((cx_hmac_t*) &ctx, CX_LAST, buffer, 64, buffer, 64);
PRINTF("Root key from input:\n%.*H\n", 64, buffer);

// get rootkey from device's seed
uint8_t buffer_device[64];

os_perso_derive_node_bip32(CX_CURVE_256K1, NULL, 0, buffer_device, buffer_device + 32);
if (os_derive_bip32_no_throw(CX_CURVE_256K1, NULL, 0, buffer_device, buffer_device + 32) != CX_OK) {
PRINTF("An error occured while comparing the recovery phrase\n");
return;
}
PRINTF("Root key from device: \n%.*H\n", 64, buffer_device);

// compare both rootkey
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11 changes: 7 additions & 4 deletions src/nano/nanox_enter_phrase.c
Original file line number Diff line number Diff line change
Expand Up @@ -397,7 +397,7 @@ const bagl_element_t* screen_onboarding_4_restore_word_before_element_display_ca
return element;
}

uint8_t compare_recovery_phrase(void) {
static uint8_t compare_recovery_phrase(void) {
// convert mnemonic to hex-seed
uint8_t buffer[64];

Expand All @@ -410,14 +410,17 @@ uint8_t compare_recovery_phrase(void) {
cx_hmac_sha512_t ctx;
const char key[] = "Bitcoin seed";

cx_hmac_sha512_init(&ctx, (const uint8_t*) key, strlen(key));
cx_hmac((cx_hmac_t*) &ctx, CX_LAST, buffer, 64, buffer, 64);
cx_hmac_sha512_init_no_throw(&ctx, (const uint8_t*) key, strlen(key));
cx_hmac_no_throw((cx_hmac_t*) &ctx, CX_LAST, buffer, 64, buffer, 64);
PRINTF("Root key from input:\n%.*H\n", 64, buffer);

// get rootkey from device's seed
uint8_t buffer_device[64];

os_perso_derive_node_bip32(CX_CURVE_256K1, NULL, 0, buffer_device, buffer_device + 32);
if (os_derive_bip32_no_throw(CX_CURVE_256K1, NULL, 0, buffer_device, buffer_device + 32) != CX_OK) {
PRINTF("An error occured while comparing the recovery phrase\n");
return 0;
}
PRINTF("Root key from device: \n%.*H\n", 64, buffer_device);

// compare both rootkey
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