mirror of
https://github.com/polhenarejos/pico-hsm.git
synced 2024-09-20 19:30:07 +00:00
72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Created on Wed Apr 13 20:15:01 2022
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@author: Pol Henarejos
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"""
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from cryptography.hazmat.backends import default_backend
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from cryptography.hazmat.primitives import serialization
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from cryptography.hazmat.primitives.asymmetric import ec
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import base64
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import urllib.request
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import json
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def print_var(v, name):
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s = '\n'
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s += "static const unsigned char "+name+"[] = {\n"
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s += "\t0x{:02x},0x{:02x},\n".format((len(v) & 0xff),((len(v)>> 8) & 0xff))
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for i in range(len(v)):
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if (i%16 == 0):
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s += '\t'
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s += "0x{:02x}".format((v[i]))
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if (i < len(v)-1):
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s += ','
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if (i%16 == 15):
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s += '\n'
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s += '\n'
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s += '};\n'
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return s
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private_key = ec.generate_private_key(ec.SECP192R1(), default_backend())
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public_key = private_key.public_key()
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pub_num = public_key.public_numbers()
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pbk = base64.urlsafe_b64encode(b'\x04'+pub_num.x.to_bytes(24,'big')+pub_num.y.to_bytes(24,'big'))
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user_agent = 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7'
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data = urllib.parse.urlencode({'pubkey':pbk}).encode()
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req = urllib.request.Request("https://www.henarejos.me/pico-hsm.php", data, {'User-Agent':user_agent,} ) #The assembled request
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response = urllib.request.urlopen(req)
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resp = response.read().decode('utf-8')
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j = json.loads(resp)
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cvcert = base64.b64decode(j['cvcert'])
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dica = [
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0x7f,0x21,0x81,0xc5,0x7f,0x4e,0x81,0x8e,0x5f,0x29,0x01,0x00,0x42,0x0e,0x45,0x53,
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0x43,0x56,0x43,0x41,0x48,0x53,0x4d,0x30,0x30,0x30,0x30,0x31,0x7f,0x49,0x3f,0x06,
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0x0a,0x04,0x00,0x7f,0x00,0x07,0x02,0x02,0x02,0x02,0x03,0x86,0x31,0x04,0x93,0x7e,
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0xdf,0xf1,0xa6,0xd2,0x40,0x7e,0xb4,0x71,0xb2,0x97,0x50,0xdb,0x7e,0xe1,0x70,0xfb,
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0x6c,0xcd,0x06,0x47,0x2a,0x3e,0x9c,0x8d,0x59,0x56,0x57,0xbe,0x11,0x11,0x0a,0x08,
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0x81,0x54,0xed,0x22,0xc0,0x83,0xac,0xa1,0x2e,0x39,0x7b,0xd4,0x65,0x1f,0x5f,0x20,
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0x0e,0x45,0x53,0x44,0x56,0x43,0x41,0x48,0x53,0x4d,0x30,0x30,0x30,0x30,0x31,0x7f,
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0x4c,0x12,0x06,0x09,0x04,0x00,0x7f,0x00,0x07,0x03,0x01,0x02,0x02,0x53,0x05,0x80,
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0x00,0x00,0x00,0x04,0x5f,0x25,0x06,0x02,0x02,0x00,0x03,0x02,0x07,0x5f,0x24,0x06,
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0x02,0x05,0x01,0x02,0x03,0x01,0x5f,0x37,0x30,0x8b,0xb2,0x01,0xb6,0x24,0xfe,0xe5,
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0x4e,0x65,0x3a,0x02,0xa2,0xb2,0x27,0x2d,0x3d,0xb4,0xb0,0xc9,0xdd,0xbf,0x10,0x6d,
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0x99,0x49,0x46,0xd6,0xd0,0x72,0xc1,0xf3,0x4c,0xab,0x4f,0x32,0x14,0x7c,0xb0,0x99,
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0xb7,0x33,0x70,0xd6,0x00,0xff,0x73,0x0c,0x5d
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]
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s = '#ifndef _CVCERTS_H_\n#define _CVCERTS_H_\n'
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s += print_var(dica,'dica')
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s += print_var(cvcert,'termca')
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pvk = private_key.private_numbers().private_value.to_bytes(24,'big')
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s += print_var(pvk,'termca_pk')
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s += '\n#endif\n'
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f = open('src/hsm/cvcerts.h','w')
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f.write(s)
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f.close() |