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chore(core, crypto): Remove unused function mnemonic_generate().

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This commit is contained in:
Andrew Kozlik 2025-02-21 18:34:15 +01:00 committed by Andrew Kozlik
parent ee1cc4ae81
commit 91ee49c20b
4 changed files with 0 additions and 41 deletions
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22
core/embed/upymod/modtrezorcrypto/modtrezorcrypto-bip39.h
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@ -25,26 +25,6 @@
/// package: trezorcrypto.bip39
/// def generate(strength: int) -> str:
/// """
/// Generate a mnemonic of given strength (128, 160, 192, 224 and 256 bits).
/// """
STATIC mp_obj_t mod_trezorcrypto_bip39_generate(mp_obj_t strength) {
int bits = mp_obj_get_int(strength);
if (bits % 32 || bits < 128 || bits > 256) {
mp_raise_ValueError(
"Invalid bit strength (only 128, 160, 192, 224 and 256 values are "
"allowed)");
}
const char *mnemo = mnemonic_generate(bits);
mp_obj_t res =
mp_obj_new_str_copy(&mp_type_str, (const uint8_t *)mnemo, strlen(mnemo));
mnemonic_clear();
return res;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mod_trezorcrypto_bip39_generate_obj,
mod_trezorcrypto_bip39_generate);
/// def from_data(data: bytes) -> str:
/// """
/// Generate a mnemonic from given data (of 16, 20, 24, 28 and 32 bytes).
@ -113,8 +93,6 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mod_trezorcrypto_bip39_seed_obj, 2,
STATIC const mp_rom_map_elem_t mod_trezorcrypto_bip39_globals_table[] = {
{MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_bip39)},
{MP_ROM_QSTR(MP_QSTR_generate),
MP_ROM_PTR(&mod_trezorcrypto_bip39_generate_obj)},
{MP_ROM_QSTR(MP_QSTR_from_data),
MP_ROM_PTR(&mod_trezorcrypto_bip39_from_data_obj)},
{MP_ROM_QSTR(MP_QSTR_check), MP_ROM_PTR(&mod_trezorcrypto_bip39_check_obj)},

7
core/mocks/generated/trezorcrypto/bip39.pyi
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@ -1,13 +1,6 @@
from typing import *
# upymod/modtrezorcrypto/modtrezorcrypto-bip39.h
def generate(strength: int) -> str:
"""
Generate a mnemonic of given strength (128, 160, 192, 224 and 256 bits).
"""
# upymod/modtrezorcrypto/modtrezorcrypto-bip39.h
def from_data(data: bytes) -> str:
"""

11
crypto/bip39.c
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@ -50,17 +50,6 @@ void bip39_cache_clear(void) {
#endif
const char *mnemonic_generate(int strength) {
if (strength % 32 || strength < 128 || strength > 256) {
return 0;
}
uint8_t data[32] = {0};
random_buffer(data, 32);
const char *r = mnemonic_from_data(data, strength / 8);
memzero(data, sizeof(data));
return r;
}
static CONFIDENTIAL char mnemo[24 * 10];
const char *mnemonic_from_data(const uint8_t *data, int len) {

1
crypto/bip39.h
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@ -38,7 +38,6 @@ void bip39_cache_clear(void);
extern const char *const BIP39_WORDLIST_ENGLISH[BIP39_WORD_COUNT];
const char *mnemonic_generate(int strength); // strength in bits
const char *mnemonic_from_data(const uint8_t *data, int len);
void mnemonic_clear(void);