mirror of
https://github.com/polhenarejos/pico-hsm.git
synced 2026-01-17 09:28:05 +00:00
36c8150f25
When initialized, the device generates a private key in place and stores it encrypted. The publick key is recovered and sent to our PKI, which generates a CV certificate. This CV certificate is stored inside the device, jointly with the DV CVC. Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
#! /usr/bin/env python3
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from smartcard.CardType import AnyCardType
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from smartcard.CardRequest import CardRequest
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from smartcard.Exceptions import CardRequestTimeoutException
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from cvc.certificates import CVC
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from cvc.asn1 import ASN1
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import json
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import urllib.request
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import base64
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from getpass import getpass
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from binascii import hexlify
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class APDUResponse(Exception):
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def __init__(self, sw1, sw2):
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self.sw1 = sw1
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self.sw2 = sw2
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super().__init__(f'SW:{sw1:02X}{sw2:02X}')
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def send_apdu(command, p1, p2, data):
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lc = [0x00] + list(len(data).to_bytes(2,'big'))
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le = [0x00, 0x00]
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apdu = [0x00] + [command, p1, p2] + lc + data + le
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response, sw1, sw2 = cardservice.connection.transmit(apdu)
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if (sw1 != 0x90):
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raise APDUResponse(sw1,sw2)
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return response
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cardtype = AnyCardType()
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try:
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# request card insertion
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cardrequest = CardRequest(timeout=10, cardType=cardtype)
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cardservice = cardrequest.waitforcard()
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# connect to the card and perform a few transmits
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cardservice.connection.connect()
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response = send_apdu(0xB1, 0xCE, 0x00, [0x54,0x02,0x00,0x00])
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cert = bytearray(response)
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Y = CVC().decode(cert).pubkey().find(0x86).data()
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print(f'Public Point: {hexlify(Y).decode()}')
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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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pbk = base64.urlsafe_b64encode(Y)
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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/cvc/", method='POST', data=data, headers={'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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dataef = base64.urlsafe_b64decode(j['cvcert']) + base64.urlsafe_b64decode(j['dvcert'])
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response = send_apdu(0xa4, 0x00, 0x00, [0x2f,0x02])
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pin = getpass('PIN: ')
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response = send_apdu(0x20, 0x00, 0x81, list(pin.encode()))
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apdu_data = [0x54, 0x02, 0x00, 0x00] + list(ASN1.make_tag(0x53, dataef))
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response = send_apdu(0xd7, 0x00, 0x00, apdu_data)
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print('Certificate uploaded successfully!')
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except CardRequestTimeoutException:
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print('time-out: no card inserted during last 10s')
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