import os
class Cert(object):
def __init__(self, name, buff):
self.name = name
self.len = len(buff)
self.buff = buff
pass
def __str__(self):
out_str = ['\0']*32
for i in range(len(self.name)):
out_str[i] = self.name[i]
out_str = "".join(out_str)
out_str += str(chr(self.len & 0xFF))
out_str += str(chr((self.len & 0xFF00) >> 8))
out_str += self.buff
return out_str
def main():
cert_list = []
file_list = os.listdir(os.getcwd())
cert_file_list = []
for _file in file_list:
pos = _file.find(".cer")
if pos != -1:
cert_file_list.append(_file[:pos])
for cert_file in cert_file_list:
with open(cert_file+".cer", 'rb') as f:
buff = f.read()
cert_list.append(Cert(cert_file, buff))
with open('esp_ca_cert.bin', 'wb+') as f:
for _cert in cert_list:
f.write("%s" % _cert)
if __name__ == '__main__':
main()
