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Added ECDH tests.
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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407110def4
@ -335,9 +335,13 @@ class Device:
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data += c.finalize()
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p1 = self.get_first_free_id()
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resp = self.send(cla=0x80, command=0x74, p1=p1, p2=0x93, data=data)
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_ = self.send(cla=0x80, command=0x74, p1=p1, p2=0x93, data=data)
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return p1
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def exchange(self, keyid, pubkey):
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resp = self.send(cla=0x80, command=0x62, p1=keyid, p2=Algorithm.ALGO_EC_DH.value, data=pubkey.public_bytes(Encoding.X962, PublicFormat.UncompressedPoint))
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return resp
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@pytest.fixture(scope="session")
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def device():
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52
tests/pico-hsm/test_022_key_derivation.py
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52
tests/pico-hsm/test_022_key_derivation.py
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@ -0,0 +1,52 @@
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"""
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/*
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* This file is part of the Pico HSM distribution (https://github.com/polhenarejos/pico-hsm).
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* Copyright (c) 2022 Pol Henarejos.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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"""
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import pytest
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import hashlib
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from utils import KeyType, DOPrefixes
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from cryptography.hazmat.primitives.asymmetric import rsa, ec
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from const import DEFAULT_RETRIES, DEFAULT_DKEK_SHARES, DEFAULT_DKEK
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def test_prepare_dkek(device):
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device.initialize(retries=DEFAULT_RETRIES, dkek_shares=DEFAULT_DKEK_SHARES)
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resp = device.import_dkek(DEFAULT_DKEK)
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resp = device.import_dkek(DEFAULT_DKEK)
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kcv = hashlib.sha256(b'\x00'*32).digest()[:8]
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assert(bytes(resp[2:]) == kcv)
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@pytest.mark.parametrize(
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"curve", [ec.SECP192R1, ec.SECP256R1, ec.SECP384R1, ec.SECP521R1, ec.SECP256K1, ec.BrainpoolP256R1, ec.BrainpoolP384R1, ec.BrainpoolP512R1]
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)
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def test_exchange_ecc(device, curve):
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pkeyA = ec.generate_private_key(curve())
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pbkeyA = pkeyA.public_key()
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keyid = device.import_key(pkeyA)
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pkeyB = ec.generate_private_key(curve())
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pbkeyB = pkeyB.public_key()
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sharedB = pkeyB.exchange(ec.ECDH(), pbkeyA)
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sharedA = device.exchange(keyid, pbkeyB)
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assert(bytes(sharedA) == sharedB)
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sharedAA = pkeyA.exchange(ec.ECDH(), pbkeyB)
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assert(bytes(sharedA) == sharedAA)
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device.delete_file(DOPrefixes.KEY_PREFIX.value << 8 | keyid)
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device.delete_file(DOPrefixes.EE_CERTIFICATE_PREFIX.value << 8 | keyid)
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@ -101,6 +101,7 @@ class Algorithm(Enum):
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ALGO_EC_SHA256 = 0x73
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ALGO_EC_SHA384 = 0x74
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ALGO_EC_SHA512 = 0x75
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ALGO_EC_DH = 0x80
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ALGO_RSA_RAW = 0x20
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ALGO_RSA_DECRYPT = 0x21
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