Merge branch 'refactor/normalize_tee_pycli_script_output' into 'master'

refactor(esp_tee): Normalize the `esp_tee` python tools CLI output

Closes IDF-15329

See merge request espressif/esp-idf!49274
This commit is contained in:
Mahavir Jain
2026-07-03 08:55:22 +05:30
4 changed files with 126 additions and 91 deletions
+10 -2
View File
@@ -124,18 +124,26 @@ if(CONFIG_SECURE_ENABLE_TEE AND NOT esp_tee_build)
list(APPEND exclude_srv "attestation")
endif()
# The parser uses OptionEatAll, so each flag consumes all following values and
# the CMake lists can be passed directly. --exclude behaves like nargs='+', so
# omit it entirely when empty (a bare --exclude would error / swallow --wrap).
set(exclude_args)
if(exclude_srv)
set(exclude_args "--exclude" ${exclude_srv})
endif()
idf_build_get_property(secure_service_headers_dir SECURE_SERVICE_HEADERS_DIR)
execute_process(
COMMAND python ${secure_service_yml_parser_py}
"--sec_srv" ${secure_service_yml}
"--exclude" ${exclude_srv}
${exclude_args}
WORKING_DIRECTORY ${secure_service_headers_dir}
)
execute_process(
COMMAND python ${secure_service_yml_parser_py}
"--sec_srv" ${secure_service_yml}
"--exclude" ${exclude_srv} "--wrap"
${exclude_args} "--wrap"
OUTPUT_VARIABLE wrap_list
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
OUTPUT_STRIP_TRAILING_WHITESPACE
@@ -7,17 +7,18 @@
```
$ python esp_tee_sec_stg_keygen.py --help
usage: esp_tee_sec_stg_keygen.py [-h] -k {aes256,ecdsa_p256,ecdsa_p384} -o OUTPUT [-i INPUT] [--write-once]
Generate or import a cryptographic key structure for secure storage
Usage: esp_tee_sec_stg_keygen.py [OPTIONS]
options:
-h, --help show this help message and exit
-k, --key-type {aes256,ecdsa_p256,ecdsa_p384}
key type to be processed
-o, --output OUTPUT output binary file name
-i, --input INPUT input key file (.pem for ecdsa, .bin for aes)
Generate or import a cryptographic key structure for secure storage.
Options:
-k, --key-type [aes256|ecdsa_p256|ecdsa_p384]
key type to be processed [required]
-o, --output TEXT output binary file name [required]
-i, --input TEXT input key file (.pem for ecdsa, .bin for aes)
--write-once make key persistent - cannot be modified or deleted once written
-h, --help Show this message and exit.
```
### ECDSA Keys
@@ -2,16 +2,16 @@
# SPDX-FileCopyrightText: 2025-2026 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
import argparse
import os
import struct
from enum import Enum
from enum import IntFlag
from typing import Any
import rich_click as click
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives.asymmetric import ec
from esp_pylib.logger import log
# === Constants ===
SEC_STG_KEY_DATA_SZ = 256
@@ -86,56 +86,63 @@ def generate_key_data(key_type: KeyType, flags: Flags, input_file: str | None) -
# === CLI ===
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description='Generate or import a cryptographic key structure for secure storage')
parser.add_argument(
'-k',
'--key-type',
type=str,
choices=[e.name.lower() for e in KeyType],
required=True,
help='key type to be processed',
)
parser.add_argument(
'-o',
'--output',
required=True,
help='output binary file name',
)
parser.add_argument(
'-i',
'--input',
help='input key file (.pem for ecdsa, .bin for aes)',
)
parser.add_argument(
'--write-once',
action='store_true',
help='make key persistent - cannot be modified or deleted once written',
)
return parser.parse_args()
def main() -> None:
args: Any = parse_args()
key_type = KeyType[args.key_type.upper()]
@click.command(context_settings=dict(help_option_names=['-h', '--help']))
@click.option(
'-k',
'--key-type',
'key_type',
type=click.Choice([e.name.lower() for e in KeyType], case_sensitive=False),
required=True,
help='key type to be processed',
)
@click.option(
'-o',
'--output',
required=True,
help='output binary file name',
)
@click.option(
'-i',
'--input',
'input_file',
default=None,
help='input key file (.pem for ecdsa, .bin for aes)',
)
@click.option(
'--write-once',
is_flag=True,
default=False,
help='make key persistent - cannot be modified or deleted once written',
)
def main(key_type: str, output: str, input_file: str | None, write_once: bool) -> None:
"""Generate or import a cryptographic key structure for secure storage."""
selected_type = KeyType[key_type.upper()]
flags = Flags.NONE
if args.write_once:
if write_once:
flags |= Flags.WRITE_ONCE
print(f'[+] Generating key of type: {key_type.name} (value: {key_type.value})')
if args.input:
print(f'[+] Using user-provided key file: {args.input}')
if args.write_once:
print('[+] WRITE_ONCE flag is set')
log.print(
f'[+] Generating key of type: {selected_type.name} (value: {selected_type.value})',
markup=False,
soft_wrap=True,
)
if input_file:
log.print(f'[+] Using user-provided key file: {input_file}', markup=False, soft_wrap=True)
if write_once:
log.print('[+] WRITE_ONCE flag is set', markup=False, soft_wrap=True)
key_data = generate_key_data(key_type, flags, args.input)
try:
key_data = generate_key_data(selected_type, flags, input_file)
with open(output, 'wb') as f:
f.write(key_data)
except (ValueError, OSError) as e:
raise click.ClickException(str(e))
with open(args.output, 'wb') as f:
f.write(key_data)
print(f'[✓] Key written to {args.output}')
log.print(f'[✓] Key written to {output}', markup=False, soft_wrap=True)
if __name__ == '__main__':
from esp_pylib.excepthook import install_exception_reporting
install_exception_reporting()
main()
@@ -1,11 +1,9 @@
# SPDX-FileCopyrightText: 2025 Espressif Systems (Shanghai) CO LTD
# SPDX-FileCopyrightText: 2025-2026 Espressif Systems (Shanghai) CO LTD
# SPDX-License-Identifier: Apache-2.0
import argparse
from typing import List
from typing import Set
from typing import Tuple
import rich_click as click
import yaml
from esp_pylib.cli_options import OptionEatAll
SEC_SRV_TABLE_SPLIT_ID = 30
OUTPUT_HEADERS = [
@@ -16,11 +14,11 @@ OUTPUT_HEADERS = [
]
def parse_services(yml_files: List[str], excluded_fam: Set[str]) -> List[Tuple[int, str, int]]:
def parse_services(yml_files: list[str], excluded_fam: set[str]) -> list[tuple[int, str, int]]:
services, service_ids = [], set()
for yml_file in yml_files:
with open(yml_file, 'r') as f:
with open(yml_file) as f:
data = yaml.safe_load(f)
for family in data.get('secure_services', []):
family_name = family.get('family', '')
@@ -36,8 +34,8 @@ def parse_services(yml_files: List[str], excluded_fam: Set[str]) -> List[Tuple[i
return sorted(services, key=lambda x: x[0])
def generate_num_header(services: List[Tuple[int, str, int]], output_file: str) -> None:
header = '''/**
def generate_num_header(services: list[tuple[int, str, int]], output_file: str) -> None:
header = """/**
* THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
*/
@@ -47,21 +45,21 @@ def generate_num_header(services: List[Tuple[int, str, int]], output_file: str)
extern "C" {
#endif
'''
"""
body = '\n'.join(f'#define SS_{name.upper()}\t{nr}' for nr, name, _ in services)
footer = f'\n#define MAX_SECURE_SERVICES_ID\t{services[-1][0] + 1 if services else 0}\n'
footer += f'#define SECURE_SERVICES_NUM\t{len(services)}\n\n'
footer += f'#define SECURE_SERVICES_SPLIT_ID\t{SEC_SRV_TABLE_SPLIT_ID}\n\n'
footer += '''typedef void (*secure_service_t)(void);
footer += """typedef void (*secure_service_t)(void);
typedef struct { secure_service_t func; int nargs; } secure_service_entry_t;
'''
"""
footer += '\n#ifdef __cplusplus\n}\n#endif\n'
with open(output_file, 'w') as f:
f.write(header + body + footer)
def generate_dec_header(services: List[Tuple[int, str, int]], output_file: str) -> None:
header = '''/**
def generate_dec_header(services: list[tuple[int, str, int]], output_file: str) -> None:
header = """/**
* THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
*/
@@ -70,20 +68,20 @@ def generate_dec_header(services: List[Tuple[int, str, int]], output_file: str)
#ifdef __cplusplus
extern "C" {
#endif
'''
"""
body = '\n'.join(f'void _ss_{name}(void);' for _, name, _ in services)
footer = '\n#ifdef __cplusplus\n}\n#endif\n'
with open(output_file, 'w') as f:
f.write(header + body + footer)
def generate_table_split(services: List[Tuple[int, str, int]], output_file_1: str, output_file_2: str) -> None:
header = '''/**
def generate_table_split(services: list[tuple[int, str, int]], output_file_1: str, output_file_2: str) -> None:
header = """/**
* THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT!
*/
#pragma once
'''
"""
services_1 = [service for service in services if service[0] < SEC_SRV_TABLE_SPLIT_ID]
services_2 = [service for service in services if service[0] >= SEC_SRV_TABLE_SPLIT_ID]
@@ -95,10 +93,10 @@ def generate_table_split(services: List[Tuple[int, str, int]], output_file_1: st
f2.write(header + body_2)
def generate_wrap_list(yml_files: List[str], excluded_fam: Set[str]) -> None:
def generate_wrap_list(yml_files: list[str], excluded_fam: set[str]) -> None:
wrap_list: list[str] = []
for yml_file in yml_files:
with open(yml_file, 'r') as f:
with open(yml_file) as f:
data = yaml.safe_load(f)
wrap_list.extend(
f'-Wl,--wrap={entry["function"]}'
@@ -109,23 +107,44 @@ def generate_wrap_list(yml_files: List[str], excluded_fam: Set[str]) -> None:
print(' '.join(wrap_list), end='')
def main() -> None:
parser = argparse.ArgumentParser(description='Generate secure service outputs from YAML table')
parser.add_argument('--wrap', action='store_true', help='Generate linker wrap options')
parser.add_argument('-s', '--sec_srv', nargs='+', required=True, help='Secure service table(s) in YAML')
parser.add_argument('--exclude', nargs='*', default=[], help='List of API families to exclude from the output')
@click.command(context_settings=dict(help_option_names=['-h', '--help']))
@click.option('--wrap', is_flag=True, default=False, help='Generate linker wrap options')
@click.option(
'-s',
'--sec_srv',
'sec_srv',
multiple=True,
required=True,
type=str,
cls=OptionEatAll,
help='Secure service table(s) in YAML (space- or flag-separated)',
)
@click.option(
'--exclude',
multiple=True,
type=str,
cls=OptionEatAll,
help='API families to exclude from the output (space- or flag-separated)',
)
def main(wrap: bool, sec_srv: tuple[str, ...], exclude: tuple[str, ...]) -> None:
"""Generate secure service outputs from YAML table."""
yml_files = list(sec_srv)
excluded_fam = set(exclude)
args = parser.parse_args()
excluded_fam = set(args.exclude)
if args.wrap:
generate_wrap_list(args.sec_srv, excluded_fam)
else:
services = parse_services(args.sec_srv, excluded_fam)
generate_num_header(services, OUTPUT_HEADERS[0])
generate_dec_header(services, OUTPUT_HEADERS[1])
generate_table_split(services, OUTPUT_HEADERS[2], OUTPUT_HEADERS[3])
try:
if wrap:
generate_wrap_list(yml_files, excluded_fam)
else:
services = parse_services(yml_files, excluded_fam)
generate_num_header(services, OUTPUT_HEADERS[0])
generate_dec_header(services, OUTPUT_HEADERS[1])
generate_table_split(services, OUTPUT_HEADERS[2], OUTPUT_HEADERS[3])
except (ValueError, OSError, yaml.YAMLError) as e:
raise click.ClickException(str(e))
if __name__ == '__main__':
from esp_pylib.excepthook import install_exception_reporting
install_exception_reporting()
main()