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add trezor.crypto.base58 functionality (decode_check needs fix)

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Pavol Rusnak 2016-04-08 11:29:15 +02:00
parent 2cc116f812
commit 2694e3ad63
No known key found for this signature in database
GPG Key ID: 91F3B339B9A02A3D
3 changed files with 46 additions and 7 deletions
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3
Makefile
View File

@ -14,6 +14,9 @@ build_stmhal: ## build stmhal port
build_unix: ## build unix port
make -C vendor/micropython/unix
run_unix: ## run unix port
./vendor/micropython/unix/micropython
flash: ## flash firmware using st-flash
st-flash write $(STMHAL_BUILD_DIR)/firmware0.bin 0x8000000
sleep 0.1

48
extmod/modTrezorCrypto/modTrezorCrypto-base58.h
View File

@ -5,6 +5,8 @@
* see LICENSE.md file for details
*/
#include "trezor-crypto/base58.h"
// class Base58(object):
typedef struct _mp_obj_Base58_t {
mp_obj_base_t base;
@ -18,24 +20,58 @@ STATIC mp_obj_t mod_TrezorCrypto_Base58_make_new(const mp_obj_type_t *type, size
}
// def Base58.encode(self, data: bytes) -> str
STATIC mp_obj_t mod_TrezorCrypto_Base58_encode(mp_obj_t self, mp_obj_t callback) {
// TODO
return mp_const_none;
STATIC mp_obj_t mod_TrezorCrypto_Base58_encode(mp_obj_t self, mp_obj_t data) {
mp_buffer_info_t databuf;
mp_get_buffer_raise(data, &databuf, MP_BUFFER_READ);
vstr_t vstr;
vstr_init(&vstr, databuf.len * 8000 / 5857 + 1); // 256 = 2^8 ; 58 > 2^5.857
b58enc(vstr.buf, &vstr.len, databuf.buf, databuf.len);
vstr.len--; // b58enc returns length including the trailing zero
return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
}
MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Base58_encode_obj, mod_TrezorCrypto_Base58_encode);
// def Base58.encode_check(self, data: bytes) -> str
STATIC mp_obj_t mod_TrezorCrypto_Base58_encode_check(mp_obj_t self, mp_obj_t data) {
mp_buffer_info_t databuf;
mp_get_buffer_raise(data, &databuf, MP_BUFFER_READ);
vstr_t vstr;
vstr_init(&vstr, (databuf.len + 4) * 8000 / 5857 + 1); // 256 = 2^8 ; 58 > 2^5.857
vstr.len = base58_encode_check(databuf.buf, databuf.len, vstr.buf, vstr.alloc);
vstr.len--; // base58_encode_check returns length including the trailing zero
return mp_obj_new_str_from_vstr(&mp_type_str, &vstr);
}
MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Base58_encode_check_obj, mod_TrezorCrypto_Base58_encode_check);
// def Base58.decode(self, string: str) -> bytes
STATIC mp_obj_t mod_TrezorCrypto_Base58_decode(mp_obj_t self, mp_obj_t data) {
// TODO
return mp_const_none;
STATIC mp_obj_t mod_TrezorCrypto_Base58_decode(mp_obj_t self, mp_obj_t string) {
mp_buffer_info_t stringbuf;
mp_get_buffer_raise(string, &stringbuf, MP_BUFFER_READ);
vstr_t vstr;
vstr_init(&vstr, stringbuf.len * 5858 / 8000 + 1); // 256 = 2^8 ; 58 < 2^5.858
b58tobin(vstr.buf, &vstr.len, stringbuf.buf);
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Base58_decode_obj, mod_TrezorCrypto_Base58_decode);
// def Base58.decode_check(self, string: str) -> bytes
STATIC mp_obj_t mod_TrezorCrypto_Base58_decode_check(mp_obj_t self, mp_obj_t string) {
mp_buffer_info_t stringbuf;
mp_get_buffer_raise(string, &stringbuf, MP_BUFFER_READ);
vstr_t vstr;
vstr_init(&vstr, stringbuf.len * 5858 / 8000 + 1); // 256 = 2^8 ; 58 < 2^5.858
vstr.len = base58_decode_check(stringbuf.buf, (uint8_t *)vstr.buf, vstr.alloc);
return mp_obj_new_str_from_vstr(&mp_type_bytes, &vstr);
}
MP_DEFINE_CONST_FUN_OBJ_2(mod_TrezorCrypto_Base58_decode_check_obj, mod_TrezorCrypto_Base58_decode_check);
// Base58 stuff
STATIC const mp_rom_map_elem_t mod_TrezorCrypto_Base58_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_encode), MP_ROM_PTR(&mod_TrezorCrypto_Base58_encode_obj) },
{ MP_ROM_QSTR(MP_QSTR_encode_check), MP_ROM_PTR(&mod_TrezorCrypto_Base58_encode_check_obj) },
{ MP_ROM_QSTR(MP_QSTR_decode), MP_ROM_PTR(&mod_TrezorCrypto_Base58_decode_obj) },
{ MP_ROM_QSTR(MP_QSTR_decode_check), MP_ROM_PTR(&mod_TrezorCrypto_Base58_decode_check_obj) },
};
STATIC MP_DEFINE_CONST_DICT(mod_TrezorCrypto_Base58_locals_dict, mod_TrezorCrypto_Base58_locals_dict_table);

2
vendor/micropython vendored

@ -1 +1 @@
Subproject commit 10261a5c15abf5fab215e6f539e2fe36d7ac3d75
Subproject commit fc29254cd7037b817154f9154509018594f77d5c