Robert Schütz
28c0471638
Its only import outside of tests is in `connectedhomeip/src/controller/python/chip/crypto/p256keypair.py` where it is used in the `TestP256Keypair` class which is only used in tests.
45 lines
1.7 KiB
Diff
45 lines
1.7 KiB
Diff
diff --git a/src/controller/python/chip/crypto/p256keypair.py b/src/controller/python/chip/crypto/p256keypair.py
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index 30198eabee..926f55318e 100644
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--- a/src/controller/python/chip/crypto/p256keypair.py
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+++ b/src/controller/python/chip/crypto/p256keypair.py
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@@ -22,7 +22,6 @@ from ctypes import (CFUNCTYPE, POINTER, _Pointer, c_bool, c_char, c_size_t, c_ui
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from typing import TYPE_CHECKING
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from chip import native
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-from ecdsa import ECDH, NIST256p, SigningKey # type: ignore
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# WORKAROUND: Create a subscriptable pointer type (with square brackets) to ensure compliance of type hinting with ctypes
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if not TYPE_CHECKING:
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@@ -133,31 +132,3 @@ class P256Keypair:
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format of section 2.3.3 of the SECG SEC 1 standard.
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'''
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raise NotImplementedError()
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-
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-
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-class TestP256Keypair(P256Keypair):
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- ''' The P256Keypair for testing purpose. It is not safe for any productions use
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- '''
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-
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- def __init__(self, private_key: SigningKey = None):
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- super().__init__()
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-
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- if private_key is None:
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- self._key = SigningKey.generate(NIST256p)
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- else:
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- self._key = private_key
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-
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- self._pubkey = self._key.verifying_key.to_string(encoding='uncompressed')
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-
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- @property
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- def public_key(self) -> bytes:
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- return self._pubkey
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-
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- def ECDSA_sign_msg(self, message: bytes) -> bytes:
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- return self._key.sign_deterministic(message, hashfunc=hashlib.sha256)
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-
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- def ECDH_derive_secret(self, remote_pubkey: bytes) -> bytes:
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- ecdh = ECDH(curve=NIST256p)
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- ecdh.load_private_key(self._key)
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- ecdh.load_received_public_key_bytes(remote_pubkey[1:])
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- return ecdh.ecdh1.generate_sharedsecret_bytes()
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