liboqs/scripts/copy_from_pqclean/copy_from_pqclean.py

74 lines
3.0 KiB
Python
Executable File

#!/usr/bin/env python3
import copy
import jinja2
import os
import shutil
import subprocess
import yaml
if 'PQCLEAN_DIR' not in os.environ:
print("Must set environment variable PQCLEAN_DIR")
exit(1)
def file_get_contents(filename, encoding=None):
with open(filename, mode='r', encoding=encoding) as fh:
return fh.read()
def file_put_contents(filename, s, encoding=None):
with open(filename, mode='w', encoding=encoding) as fh:
fh.write(s)
def generator(destination_filename, template_filename, pqclean_dir, family, scheme_desired):
template = file_get_contents(os.path.join('scripts', 'copy_from_pqclean', template_filename))
f = copy.deepcopy(family)
f['family'] = f['name']
if scheme_desired != None:
f['schemes'] = [x for x in f['schemes'] if x == scheme_desired]
assert(len(f['schemes']) == 1)
for scheme in f['schemes']:
scheme['metadata'] = yaml.safe_load(file_get_contents(os.path.join(pqclean_dir, 'crypto_kem', scheme['pqclean_scheme'], 'META.yml')))
scheme['metadata']['implementations'] = [imp for imp in scheme['metadata']['implementations'] if imp['name'] == scheme['implementation']]
assert(len(scheme['metadata']['implementations']) == 1)
scheme['metadata']['ind_cca'] = 'true'
file_put_contents(destination_filename, jinja2.Template(template).render(f))
instructions = file_get_contents(os.path.join('scripts', 'copy_from_pqclean', 'copy_from_pqclean.yml'), encoding='utf-8')
instructions = yaml.safe_load(instructions)
for family in instructions:
for scheme in family['schemes']:
shutil.rmtree(os.path.join('src', 'kem', family['name'], 'pqclean_{}_clean'.format(scheme['pqclean_scheme'])), ignore_errors=True)
subprocess.run([
'cp',
'-pr',
os.path.join(os.environ['PQCLEAN_DIR'], 'crypto_kem', scheme['pqclean_scheme'], scheme['implementation']),
os.path.join('src', 'kem', family['name'], 'pqclean_{}_clean'.format(scheme['pqclean_scheme']))
])
os.remove(os.path.join('src', 'kem', family['name'], 'pqclean_{}_clean'.format(scheme['pqclean_scheme']), 'Makefile'))
os.remove(os.path.join('src', 'kem', family['name'], 'pqclean_{}_clean'.format(scheme['pqclean_scheme']), 'Makefile.Microsoft_nmake'))
generator(
os.path.join('src', 'kem', family['name'], 'kem_{}.h'.format(family['name'])),
os.path.join('src', 'kem', 'family', 'kem_family.h'),
os.environ['PQCLEAN_DIR'],
family,
None,
)
generator(
os.path.join('src', 'kem', family['name'], 'Makefile.am'),
os.path.join('src', 'kem', 'family', 'Makefile.am'),
os.environ['PQCLEAN_DIR'],
family,
None,
)
for scheme in family['schemes']:
generator(
os.path.join('src', 'kem', family['name'], 'kem_{}.c'.format(scheme['pqclean_scheme'])),
os.path.join('src', 'kem', 'family', 'kem_scheme.c'),
os.environ['PQCLEAN_DIR'],
family,
scheme,
)