solo1/tools/gencert/cbytes.py

43 wiersze
925 B
Python

#!/usr/bin/env python
from __future__ import print_function
"""
cbytes.py
Output a c file with the DER certificate.
Read der file as input
"""
import sys,fileinput,binascii
if len(sys.argv) not in [2,3]:
print('usage: %s <certificate.der|hex-input> [-s]' % sys.argv[0])
print(' -s: just output c string (for general use)')
sys.exit(1)
buf = None
try:
buf = bytearray(open(sys.argv[1], 'rb').read())
except:
n = sys.argv[1].replace('\n','')
n = sys.argv[1].replace('\r','')
buf = bytearray(binascii.unhexlify(n))
c_str = ''
size = len(buf)
a = ''.join(map(lambda c:'\\x%02x'%c, buf))
for i in range(0,len(a), 80):
c_str += ("\""+a[i:i+80]+"\"\n")
if '-s' in sys.argv:
print(c_str)
sys.exit(0)
print('// generated')
print('#include <stdint.h>')
print()
print('code uint8_t __attest[] = \n%s;' % c_str)
print('const uint16_t __attest_size = sizeof(__attest)-1;')